Legalize / United Kingdom / Statutory-Instrument

The Export of Goods (Control) Order 1991

Type Statutory-Instrument

Publication 1991-11-25

State In force

Department Queen's Printer of Acts of Parliament

Source legislation.gov.uk

PDF Download

articles Not indexed

Reform history JSON API

B1	Plant for the separation of isotopes of natural and depleted uranium, and other fissile materials, and specially designed or prepared equipment and components therefor, the following–
	(a) Plant specially designed for separating isotopes of natural and depleted uranium, and other fissile materials, the following–
	(1) Gaseous diffusion separation plant	C
	(2) Gas centrifuge separation plant	C
	(3) Aerodynamic separation plant	C
	(4) Chemical exchange separation plant	C
	(5) Ion-exchange separation plant	C
	(6) Atomic vapour laser isotopic separation plant	C
	(7) Molecular laser isotopic separation plant	C
	(8) Plasma separation plant	C
	(9) Electromagnetic separation plant	C
	(b) Equipment and components, the following: specially designed or prepared for–
	(1) Gaseous diffusion separation process–
	(A) Valves wholly made of or lined with aluminium, aluminium alloys, nickel or alloy containing 60% or more nickel, 40 mm or more in diameter, with bellows seals	C
	(B) Blowers and compressors (turbo, centrifugal and axial flow types) wholly made of or lined with aluminium, aluminium alloys, nickel or alloy containing 60% or more nickel and having a capacity of 1,000 litres per minute or more, including compressor seals	C
	(C) Gaseous diffusion barriers made of porous metallic, polymer or ceramic materials resistant to corrosion by UF₆ with a pore size under 100 nm, a thickness of 5 mm or less, and, for tubular forms, a diameter of 25 mm or less	C
	(D) Gaseous diffuser housings	C
	(E) Heat exchangers made of aluminium, copper, nickel or alloys containing more than 60% nickel, or combinations of these metals as clad tubes, designed to operate at sub-atmospheric pressure with a leak rate that limits the pressure rise to less than 10 Pa (0.1 millibar) per hour under a pressure differential of 100 kPa (1 bar)	C
	(2) Gas centrifuge separation process–
	(A) Gas centrifuges	C
	(B) Complete rotor assemblies	C
	(C) Rotor tube cylinders with a thickness of 12 mm or less, a diameter of between 75 mm and 400 mm, made from any of the following high strength-to-density ratio materials–
	(a) Maraging steel capable of an ultimate tensile strength of 2.05 GN/m² or more	C
	(b) Aluminium alloys capable of an ultimate tensile strength of 460 MN/m² or more	C
	or
	(c) Fibrous and filamentary materials with a specific modulus of more than 3.18 × 10⁶ m and a specific tensile strength greater than 76.2 × 10³ m	C
	(D) Magnetic suspension bearings consisting of an annular magnet suspended within a housing containing a damping medium, and having the magnet coupling with a pole piece or second magnet fitted to the top cap of the rotor	C
	(E) Specially prepared bearings comprising a pivot-cup assembly mounted on a damper	C
	(F) Rings or bellows with a wall thickness of 3 mm or less and a diameter of between 75 mm and 400 mm and designed to give local support to a rotor tube or to join a number together, made from any of the following high strength-to-density ratio materials–
	(a) Maraging steel capable of an ultimate tensile strength of 2.05 GN/m² or more	C
	(b) Aluminium alloys capable of an ultimate tensile strength of 460 MN/m² or more	C
	or
	(c) Fibrous and filamentary materials with a specific modulus of more than 3.18 × 10⁶ m and a specific tensile strength greater than 76.2 × 10³ m	C
	(G) Baffles of between 75 mm and 400 mm diameter for mounting inside a rotor tube, made from any of the following high strength-to-density ratio materials–
	(a) Maraging steel capable of an ultimate tensile strength of 2.05 GN/m² or more	C
	(b) Aluminium alloys capable of an ultimate tensile strength of 460 MN/m² or more	C
	(c) Fibrous and filamentary materials with a specific modulus of more than 3.18 × 10⁶ m and a specific tensile strength greater than 76.2 × 10³ m	C
	(H) Top and bottom caps of between 75 mm and 400 mm diameter to fit the ends of a rotor tube, made from any of the following high strength-to-density ratio materials–
	(a) Maraging steel capable of an ultimate tensile strength of 2.05 GN/m² or more	C
	(b) Aluminium alloys capable of an ultimate tensile strength of 460 MN/m² or more	C
	or
	(c) Fibrous and filamentary materials with a specific modulus of more than 3.18 × 10⁶ and a specific tensile strength greater than 76.2 × 10³ m	C
	(I) Molecular pumps comprised of cylinders having internally machined or extruded helical grooves and internally machined bores	C
	(J) Ring-shaped motor stators for multiphase AC hysteresis or reluctance motors for synchronous operation within a vacuum in the frequency range of 600 to 2,000 Hz and a power range of 50 to 1,000 Volt-Amps	C
	(K) Frequency changers specially designed or prepared to supply motor stators for gas centrifuge enrichment, having all of the following characteristics, and specially designed components therefor–	C
	(a) Multiphase output of 600 to 2,000 Hz;
	(b) Frequency control better than 0.1%;
	(c) Harmonic distortion of less than 2%; and
	(d) An efficiency greater than 80%;
	(3) Aerodynamic separation process–
	(A) Separation nozzles consisting of slit-shaped, curved channels having a radius of curvature less than 1 mm and having a knife-edge contained within the nozzle which separates the gas flowing through the nozzle into two streams	C
	(B) Tangential inlet flow-driven cylindrical or conical tubes, specially designed for uranium isotope separation	C
	(C) UF⁶-hydrogen helium compressors wholly made of or lined with aluminium, aluminium alloys, nickel or alloy containing 60% or more nickel, including compressor seals	C
	(D) Aerodynamic separation element housing, designed to contain vortex tubes or separation nozzles	C
	(E) Heat exchangers made of aluminium, copper, nickel, or alloys containing more than 60% nickel, or combinations of these metals as clad tubes, designed to operate at pressures of 600 kPa (6 bar) or less	C
	(4) Chemical exchange separation process–
	(A) Fast-exchange liquid-liquid centrifugal contactors or fast exchange liquid-liquid pulse columns made of fluorocarbon lined materials	C
	(B) Electrochemical reduction cells designed to reduce uranium from one valence state to another	C
	(5) Ion-exchange separation process– Fast reacting ion-exchange resins, pellicular and reticulated resins in which the active chemical exchange groups are limited to a coating on the surface of an inert particle or fibre	C
	(6) Atomic vapour laser isotopic separation process–
	(A) High power electron beam guns with total power of more than 50 kW and strip or scanning electron beam guns with a delivered power of more than 2.5 kW/cm for use in uranium vaporization systems	C
	(B) Trough shaped crucible and cooling equipment for molten uranium	C
	(C) Product and tails collector systems made of or lined with materials resistant to the heat and corrosion of uranium vapour	C
	(D) Lasers and components designed for atomic vapour laser isotopic separation, the following–
	(a) Lasers to pump dye lasers–
	(1) Copper vapour lasers of 40 W or more	C
	(2) Argon ion lasers of more than 40 W	C
	(3) ND:YAG lasers that can be frequency doubled and thereby have an average power of more than 40 W	C
	(b) Other lasers and accessories–
	(1) Tunable pulsed dye laser amplifiers and oscillators	C
	except–
	single mode oscillators, with an average power of more than 30W, a repetition rate of more than 1 kHz and a wavelength between 500 nm and 700 nm.
	(2) Modulators for controlling and modifying dye laser bandwidth	C
	(3) Tunable pulsed single mode dye oscillators capable of an average power of more than 1W, and having a repetition rate of more than 1 KHz, a pulse width less than 100 ns, a wavelength between 500 nm and 700 nm and frequency modulation for bandwidth expansion	C
	(7) Molecular laser isotopic separation process–
	(A) Para-hydrogen Raman shifters designed to operate at 16 micrometres output wavelength and at a repetition rate of more than 250 Hz	C
	(B) Supersonic expansion nozzles designed for UF⁶ carrier gas	C
	(C) Uranium fluoride (UF⁵ ) product filter collectors	C
	(D) Equipment for fluorinating UF⁵ to UF⁶	C
	(E) UF⁶ carrier gas compressors wholly made of or lined with aluminium, aluminium alloys, nickel or alloy containing 60% or more nickel, including compressor seals	C
	(F) Lasers designed for molecular laser isotopic separation, the following–
	(a) Alexandrite lasers with a bandwidth of 0.005 nm (3.0 GHz) or less, a repetition rate of more than 125 Hz, and an average power of more than 30W	C
	(b) Pulsed carbon dioxide lasers with a repetition rate of more than 250 Hz, an average power of more than 1.2 kW and a pulse length less than 200 ns	C
	(c) Pulsed excimer lasers (XeF, XeC1, KrF) with a repetition rate of more than 250 Hz and an average power of more than 250W	C
	(8) Plasma separation process–
	(A) Product and tails collectors made of or lined with materials resistant to the heat and corrosion of uranium vapour	C
	(B) Radio frequency ion excitation coils for frequencies of more than 100 kHz and capable of handling more than 40 kW power	C
	(C) Microwave power sources and superconductive electromagnets designed for use in the plasma separation process, the following–
	(a) Microwave power sources of more than 30 GHz and greater than 50 kW for ion production	C
	(b) Solenoidal superconductive electromagnets of more than 30 cm inner diameter, with a magnetic field of more than 2 T and uniform to better than 1% over the central 80% of the inner volume	C
	(9) Taking on-line samples of feed, product or tails from UF⁶ gas streams–
	UF⁶ mass spectrometers/ion sources having all of the following characteristics	C
	(A) Unit resolution for mass of more than 320 amu;
	(B) Ion sources constructed of or lined with nichrome or monel, or nickel plated;
	(C) Electron bombardment ionization sources; and
	(D) Collector systems suitable for isotopic analysis.
PL6013	(turbo, centrifugal and axial flow types) wholly made of or lined with nickel alloy, phosphor bronze, stainless steel, aluminium or aluminium alloy, corrosion resistant to uranium hexafluoride (UF₆) or hydrogen fluoride (HF) and having a capacity of 1,000 litres per minute or greater, including compressor seals	C
B2	Specially designed or prepared equipment and components, for plant for the reprocessing of irradiated nuclear reactor fuel elements, the following–
	(a) Fuel element chopping or shredding machines, ie remotely operated equipment to cut, chop, shred or shear irradiated nuclear reactor fuel assemblies, bundles or rods	C
	(b) Dissolvers (ie criticality safe tanks) specially designed or prepared for the dissolution of irradiated nuclear reactor fuel, which are capable of withstanding hot, highly corrosive liquids, and which can be remotely loaded and maintained	C
	(c) Counter-current solvent extractors and ion-exchange processing equipment, specially designed or prepared for use in a plant for the reprocessing of irradiated natural uranium, depleted uranium or special or other fissile materials	C
	(d) Process control instrumentation specially designed or prepared for monitoring or controlling the reprocessing of irradiated source or special or other fissile materials	C
	In this entry “plant for the reprocessing of irradiated nuclear reactor fuel elements” includes equipment and components which normally come into direct contact with and directly control the irradiated fuel and the major nuclear material and fission product processing streams.
	Note 1: See also entry PL6016 in this Group.
	Note 2: For process control equipment for Lithium, see entry PL6010 in this Group.
PL6016	Specially designed or prepared equipment and components, for plant for the reprocessing of irradiated nuclear reactor fuel elements, the following–
	(a) Holding or storage vessels resistant to the corrosive effects of nitric acid	C
	(b) Systems for the conversion of plutonium nitrate to plutonium oxide	C
	(c) Systems for the production of plutonium metal	C
	In this entry “plant for the reprocessing of irradiated nuclear reactor fuel elements” includes equipment and components which normally come into direct contact with and directly control the irradiated fuel and the major nuclear material and fission product processing streams.
B3	Nuclear reactors, ie reactors capable of operation so as to maintain a controlled, self-sustaining fission chain reaction, and equipment and components specially designed or prepared for use in connection with a nuclear reactor, the following–
	(a) Pressure vessels and metal vessels as complete units or as parts therefor, which are specially designed or prepared to contain the core of a nuclear reactor and are capable of withstanding the operating pressure of the primary coolant, including the top plate for a reactor pressure vessel	C
	(b) Fuel element handling equipment, including reactor fuel charging and discharging machines	C
	(c) Control rods specially designed or prepared for the control of the reaction rate in a nuclear reactor, the neutron absorbing part and the support or suspension structures therefor, and control rod guide tubes	C
	(d) Electronic controls for controlling the power levels in nuclear reactors, including reactor control rod drive mechanisms and radiation detection and measuring instruments to determine neutron flux levels	C
	(e) Pressure tubes specially designed or prepared to contain fuel elements and the primary coolant in a nuclear reactor at an operating pressure in excess of 50 bars (atmospheres)	C
	(f) Coolant pumps specially designed or prepared for circulating the primary coolant of nuclear reactors	C
	(g) Internals specially designed or prepared for the operation of a nuclear reactor, including but not limited to core support structures, thermal shields, baffles, core grid plates and diffuser plates	C
	(h) Heat exchangers	C
	In this entry a “nuclear reactor” means the items within or attached directly to the reactor vessel, the equipment which controls the level of power in the core, and the components which normally contain, come into direct contact with or control the primary coolant of the reactor core.
B4	Plant specially designed for the fabrication of nuclear reactor fuel elements and specially designed equipment therefor	C
	Note: A plant for the fabrication of nuclear reactor fuel elements includes equipment which (1) normally comes into direct contact with or directly processes or controls the production flow of nuclear materials, (2) seals the nuclear material within the cladding, (3) checks the integrity of the cladding or the seal, or (4) checks the finish treatment of the solid fuel.
B5	Plant for the production of heavy water, deuterium or deuterium compounds, and specially designed or prepared equipment and components therefor, the following–
	(a) Plant for the production of heavy water, deuterium or deuterium compounds, the following–
	(1) Hydrogen sulphide-water exchange plant	C
	(2) Ammonia-hydrogen exchange plant	C
	(3) Hydrogen distillation plant	C
	(b) Equipment and components, the following: designed for–
	(1) Hydrogen sulphide-water exchange process–
	(A) Tray exchange towers	C
	(B) Hydrogen sulphide gas compressors	C
	(2) Ammonia-hydrogen exchange process–
	(A) High-pressure ammonia-hydrogen exchange towers	C
	(B) High-efficiency stage contactors	C
	(C) Submersible stage recirculation pumps	C
	(D) Ammonia crackers designed for pressures of more than 3 MPa (30 bar)	C
	(3) Hydrogen distillation process–
	(A) Hydrogen cryogenic distillation towers and cold boxes designed for operation below 35 K	C
	(B) Turboexpanders or turboexpander-compressor sets designed for operation below 35 K	C
	(4) Heavy water concentration process to reactor grade level (99.75% deuterium oxide)–
	(A) Water distillation towers containing specially designed packings	C
	(B) Ammonia distillation towers containing specially designed packings	C
	(C) Catalytic burners for conversion of fully enriched deuterium to heavy water	C
	(D) Infrared absorption analysers capable of on-line hydrogen-deuterium ratio analysis where deuterium concentrations are equal to or more than 90%	C
B6	Plant for the production of uranium hexafluoride (UF⁶ ) and specially designed or prepared equipment and components therefor, the following–
	(a) Plant for the production of UF⁶	C
	(b) Equipment and components specially designed or prepared for UF⁶ production, the following–
	(1) Fluorination and hydrofluorination screw and fluid bed reactors and flame towers	C
	(2) Distillation equipment for the purification of UF⁶	C
PL6015	Equipment for the handling or processing of UF⁶ , and specially designed components therefor made from or lined with UF⁶ resistant materials, the following–
	(a) Feed autoclaves for passing UF⁶ to gaseous diffusion or centrifuge cascades	C
	(b) Desublimers or cold traps used to remove UF⁶ from gaseous diffusion or centrifuge cascade	C
	(c) Product and tails stations for trapping and transferring UF⁶ into containers	C
	(d) Liquefaction stations where UF⁶ gas is compressed and cooled to form liquid UF⁶	C
	(e) Piping systems and header systems for handling UF⁶ within gaseous diffusion or centrifuge cascades	C
	(f) Vacuum manifolds, vacuum headers and vacuum pumps having a suction capacity of 5 m³/minute or more	C
C1	Neutron generator systems, including tubes, designed for operation without an external vacuum system and utilizing electrostatic acceleration to induce a tritium-deuterium nuclear reaction	C
C2	Power generating or propulsion equipment specially designed or adapted for use with military, space, marine or mobile nuclear reactors	C
C3	Electrolytic cells for the production of fluorine with a production capacity greater than 250 g of fluorine per hour	C
C4	Equipment specially designed or prepared for the separation of isotopes of lithium, the following–
	(a) Packed liquid-liquid exchange columns specially designed for lithium amalgams	C
	(b) Amalgam pumps	C
	(c) Amalgam electrolysis cells	C
	(d) Evaporators for concentrated lithium hydroxide solution	C
C5	Equipment specially designed for the production or recovery of tritium	C
C6	Frequency changers (converters or inverters) specially designed or prepared to supply motor stators for gas centrifuge enrichment, having all the following characteristics, and specially designed components therefor	C
	(a) A multi-phase electrical output of between 600 to 2,000 Hz;
	(b) Frequency control better than 0.1%;
	(c) Harmonic distortion of less than 2%;
	(d) An efficiency greater than 80%.
PL6007	Equipment specially designed for the manufacture or assembly of gas centrifuges capable of the enrichment or separation of isotopes, and specially designed parts, components and equipment therefor (For gas centrifuge plant, see entry B1, plant for separation of isotopes, in this Group.)	C
PL6008	Mass spectrometers and mass spectrometer sources designed for measuring the isotopic composition of uranium hexafluoride (UF⁶ ) gas, uranium and uranyl compounds	C
PL6009	Pressure gauges capable of measuring pressures to 100 Torr (13332.2 N/m² ) or less having sensing elements of nickel, nickel alloy, phosphor bronze, stainless steel, aluminium or aluminium alloy, corrosion resistant to uranium hexafluoride (UF⁶ ) or hydrogen fluoride (HF); and such sensing elements	C
PL6010	Process control equipment or instrumentation specially designed or prepared for monitoring or controlling the reprocessing of irradiated lithium	C

GROUP 3 — STRATEGIC GOODS AND TECHNOLOGIES NOT SPECIFIED IN GROUPS 1 AND 2

GROUP 3A

IL1001	Technology for metal-working manufacturing processes and specially designed software, the following–
	(a) Technology for the design of tools, dies and fixtures specially designed for any of the following processes–
	(1) hot die forging	D
	(2) superplastic forming	D
	(3) diffusion bonding	D
	(4) direct-acting hydraulic pressing	D
	(b) Technology consisting of the parameters listed below in connection with the process referred to in the relevant sub-head–
	(1) hot die forging–
	(i) temperature	D
	(ii) strain rate	D
	(2) superplastic forming of aluminium alloys, titanium alloys and superalloys–
	(i) surface preparation	D
	(ii) strain rate	D
	(iii) temperature	D
	(iv) pressure	D
	(3) diffusion bonding of superalloys and titanium alloys–
	(i) surface preparation	D
	(ii) temperature	D
	(iii) pressure	D
	(4) direct-acting hydraulic pressing of aluminium alloys, and titanium alloys–
	(i) pressure	D
	(ii) cycle time	D
	(5) hot isostatic densification of titanium alloys, aluminium alloys and superalloys–
	(i) temperature	D
	(ii) pressure	D
	(iii) cycle time	D
	In this entry–
	(a) “hot die forging” means a deformation process where die temperatures are at the same nominal temperature as the workpiece and exceed 850 K (577°C);
	(b) “superplastic forming” means a deformation process using heat for metals that are normally characterised by low values of elongation (less than 20%) at the breaking point as determined at room temperature by conventional tensile strength-testing, in order to achieve elongations during processing which are at least 2 times those values;
	(c) “diffusion bonding” means a solid-state molecular joining of at least two separate metals into a single piece with a joint strength equivalent to that of the weakest material;
	(d) “direct-acting hydraulic pressing” means a deformation process which uses a fluid-filled flexible bladder in direct contact with the workpiece;
	(e) “hot isostatic densification” means a process of pressurizing a casting at temperatures exceeding 375 K (102°C) in a closed cavity through various media (gas, liquid, solid particles, etc) to create equal force in all directions to reduce or eliminate internal voids in the casting;
PL7031	Production equipment for inert gas and vacuum atomising processes, specially designed components therefor and related technology, the following–
	(a) Production equipment designed or modified for inert gas and vacuum atomising processes to achieve sphericity and uniform size of particles in metal powders, whatever the type of metal and whether or not the powder is specified in this Schedule, and specially designed components therefor	A
	(b) Technology for inert gas and vacuum atomising processes to achieve sphericity and uniform size of particles in metal powders, whatever the type of metal and whether or not the powder is specified in this Schedule	B
PL7027	Flow forming machines and machines combining the functions of spin forming and flow forming, having both the following characteristics: and specially designed components and specially designed software therefor	A
	(a) specially designed or adapted for use with numerical or computer controls;
	(b) having more than two axes which can be co-ordinated simultaneously for contouring control.
IL1080	Specially designed equipment, tooling and fixtures and technology for the manufacture or measuring of gas turbine blades or vanes, the following: and specially designed components and accessories therefor and specially designed ODMA software for the equipment, components and accessories–
	(1) Specially designed equipment, tooling, fixtures, components and accessories, the following–
	(a) Blade or vane aerofoil or root automatic measuring equipment	C
	(b) Precision vacuum investment casting equipment, including core-making equipment	C
	(c) Small-hole drilling equipment for producing holes having depth more than four times their diameter and less than 0.76 mm (0.03 inch) in diameter	C
	(d) Directional solidification casting equipment and directional recrystallization equipment	C
	(e) Segmented cast blade or vane bonding equipment	C
	(f) Integral blade-and-disc casting equipment	C
	(g) Blade or vane coating equipment, except furnaces, molten-metal baths and ion-plating baths	C
	(h) Ceramic blade or vane moulding and finishing machines	C
	(i) Moulds, cores and tooling for the manufacture and finishing of–
	(1) cast hollow turbine blades or vanes	C
	(2) turbine blades or vanes produced by powder compaction	C
	(j) Composite metal turbine blade or vane moulding and finishing machines	C
	(k) Inertial blade or vane welding machines	C
	(l) Machinery and equipment for the manufacture of blades or vanes in the compressor section of aircraft or aircraft-derived gas turbine engines where the technology is the same as for the manufacture of blades or vanes in the turbine section	C
	(2) Technology (except installation, operation and maintenance technology) for use of the following equipment
	(a) Blade or vane belt grinding machines	D
	(b) Blade or vane edge radiusing machines	D
	(c) Blade or vane aerofoil milling or grinding machines	D
	(d) Blade or vane blank performing machines	D
	(e) Blade or vane rolling machines	D
	(f) Blade or vane aerofoil shaping machines except metal removing types	D
	(g) Blade or vane root grinding machines	D
	(h) Blade or vane aerofoil scribing equipment	D
	(i) Machinery and equipment for the manufacture of blades or vanes in the compressor section of aircraft or aircraft-derived gas turbine engines where the technology is the same as for the manufacture of blades or vanes in the turbine section	D
	In this entry–
	“manufacture” or
	“making” includes refurbishing.
IL1081	Specially designed or modified equipment, tools, dies, moulds and fixtures for the manufacture or inspection of aircraft, airframe structures or aircraft fasteners, the following: and specially designed components and accessories therefor and specially designed ODMA software for the equipment, components and accessories–
	(a) Equipment, tools, dies, moulds or fixtures for:
	(1) hydraulic stretch forming–
	(i) whose machine motions or forces are digitally controlled or controlled by electrical analogue devices	C
	or
	(ii) which are capable of thermal-conditioning the workpiece	C
	(2) the milling of aircraft skins or spars, except those which do not present an improvement on machinery in production ten years preceding the year of export	C
	(b) Tools, dies, moulds or fixtures for–
	(1) diffusion bonding	C
	(2) superplastic forming	C
	(3) hot die forging	C
	(4) direct-acting hydraulic pressing of aluminium alloys and titanium alloys	C
	(5) the manufacture, inspection, inserting or securing of specially designed high-strength aircraft fasteners	C
	The definitions in entry IL1001 of the processes and control of the metal working manufacturing technologies mentioned above, apply also for the purposes of this entry.
IL1086	Specially designed or modified equipment, tools, dies, moulds, fixtures and gauges for the manufacture or inspection of aircraft and aircraft-derived gas turbine engines, the following: and specially designed components and accessories and specially designed ODMA software for the equipment, components and accessories–
	(a) Equipment, tools, dies, moulds, fixtures and gauges–
	(1) for automated production inspection	C
	(2) for automated welding	C
	(b) Tools, dies, fixtures and gauges–
	(1) for solid-state joining by inertial welding or thermal bonding	C
	(2) for manufacture and inspection of high-performance gas turbine bearings	C
	(3) for rolling specially configured rings such as nacelle rings	C
	(4) for forming and finishing turbine discs	C
	(c) Compressor or turbine disc broaching machines	C
	This head includes only broaching machines specially designed for the manufacture of aircraft or aircraft-derived gas turbine engines and not general purpose broaching machines specially adapted for that purpose.
IL1088	Gear making or finishing machinery, the following–
	(a) Bevel gear making machinery, the following–
	(1) gear grinding machinery (non-generating type)	C
	(2) other machinery capable of the production of bevel gears of module finer than 0.5 mm (diametrical pitch finer than 48) and meeting a quality standard better than DIN 58405 Class 6	C
	(b) Machinery capable of producing gears in excess of AGMA quality level 13 or equivalent	C
	For the purposes of this entry DIN 3963 Class 4 shall be considered equivalent to AGMA quality level 13.
IL1091	Numerical control units, numerically controlled machine tools, components, specially designed parts and sub-assemblies, software and technology, the following–
	(a) Numerical control units for machine tools, having any of the following characteristics, and specially designed ODMA software and specially designed components therefor–
	(1) more than three interpolating axes can be co-ordinated simultaneously for contouring control	W
	(2) two or three interpolating axes can be co-ordinated simultaneously for contouring control and
	(A) the smallest programmable increment, namely the input resolution, for any linear axis is less than 0.001 mm	W
	NOTE: In case of units with only two linear axes one of them may have a smallest programmable increment of less than 0.001 mm but not less than 0.0005 mm.
	(B) interpolation of third order or higher is possible (e.g. spline or involute interpolation) W
	(C) word size of more than 32 bit (excluding parity bits) W
	(D) capable of real-time processing of data to modify, during the machining operation, tool path, feed rate and spindle data by either–
	(a) automatic calculation and modification of part programme data for machining in two or more axes by means of measuring cycles and access to source data	W
	or
	(b) adaptive control, with more than one physical variable measured and processing by means of a computing model (strategy) to change one or more machining instructions to optimize the process	W
	(E) capable of receiving directly (on-line) and processing computer aided design (CAD) data for internal preparation of machine instructions	W
	except–
	numerical control units which are either:
	(a) modified for and incorporated in machines not specified in this Schedule; or
	(b) specially designed for machines not specified in this Schedule;
	(b) Machine tools, for removing, cutting or spark eroding metals, ceramics or composites, the following–
	(1) machine tools for turning which have all the following characteristics	W
	(A) according to the manufacturer’s technical specifications, can be equipped with numerical control units specified in head (a) above, even when not equipped with such units at delivery;
	(B) have two or more axes which can be co-ordinated simultaneously for contouring control;
	(C) have any of the following–
	(a) two or more contouring rotary axes;
	(b) run out (out-of-true running) less (better) than 0.0008 mm total indicator reading (TIR);
	(c) camming (axial displacement) less (better) than 0.0008 mm total indicator reading (TIR); or
	(d) the positioning accuracies, with all compensations available, are better than–
	(1) overall positioning along any linear axis of–
	(A) 0.006 mm for a total length of axis travel L equal to or shorter than 500 mm; or
	(B) (0.006 + 0.001 × (L−500)/500) mm if L is longer than 500 mm and shorter than 5,500 mm; or
	(C) 0.016 mm if L is equal to or longer than 5,500 mm; or
	(2) of any rotary axis, 0.001°;
	(2) machine tools for milling which have all the following characteristics	W
	(A) according to the manufacturer’s technical specifications, can be equipped with numerical control units specified in head (a) above, even when not equipped with such units at delivery;
	(B) have two or more axes which can be co-ordinated simultaneously for contouring control;
	(C) have any of the following–
	(a) two or more contouring rotary axes;
	(b) one or more contouring tilting spindles;
	(c) run out (out-of-true running) less (better) than 2 × D × 10−5 mm total indicator reading (TIR) where D equals the diameter of the spindle in mm;
	(d) the positioning accuracies, with all compensations available, are better than–
	(1) overall positioning along any linear axis of–
	(A) 0.006 mm, if none of the axes exceeds a total length of axis travel L of 650 mm;
	(B) if the total length of axis travel L of any axis islonger than 650 mm, 0.008 mm or (0.008 + 0.0015 × (L−500)/500) mm whichever is higher, for axes up to 5,500 mm of travel; or
	(C) 0.023 mm for any axis the total length L of which is equal to or longer than 500 mm; or
	(2) of any rotary axis, 0.0010 or
	(e) a motor power of any spindle of more than 75 kW;
	(3) machine tools for grinding which have all the following characteristics	W
	(A) according to the manufacturer’s technical specifications, can be equipped with numerical control units specified in head (a) above, even when not equipped with such units at delivery;
	(B) have two or more axes which can be co-ordinated simultaneously for contouring control;
	(C) have any of the following–
	(a) two or more contouring rotary axes;
	(b) one or more contouring tilting spindles;
	(c) run out (out-of-true running) less (better) than 0.0008 mm total indicator reading (TIR); or
	(d) the positioning accuracies, with all compensations available, are better than–
	(1) overall positioning along any linear axis of–
	(A) 0.004 mm, for a total length of axis travel L equal to or shorter than 300 mm;
	(B) (0.004 + 0.001 × (L−300)/300) mm if L is longer than 300 mm, and shorter than 3,300 mm; or
	(C) 0.014 mm if L is equal to or longer than 3,300 mm; or
	(2) of any rotary axis, 0.001°;
	except– tool or cutter grinding machines having all the following characteristics–
	(a) no more than four axes can be co-ordinated simultaneously for contouring control;
	(b) no more than two rotary axes can be co-ordinated simultaneously for contouring control;
	(c) run out (out-of-true running) more (worse) than 0.0008 mm total indicator reading (TIR);
	(d) the positioning accuracies, with all compensations available, are not better than:
	(1) overall positioning along any linear axis of 0.004 mm; or
	(2) of any rotary axis, 0.001°; and
	(e) a maximum slide travel along any axis of less than 200 mm;
	(4) electrical discharge machines (EDM) of the wire feed type which have five or more contouring axes and which can be equipped with one of the following–
	(A) numerical control units specified in head (a) above even when not equipped with such units at delivery	W
	(B) electronic controllers specified in head (b) in entry IL1391 inGroup 3D	W
	(5) electrical discharge machines (EDM) of the non-wire type which have two or more contouring rotary axes and which can be equipped with one of the following–
	(A) numerical control units specified in head (a) above even when not equipped with such units at delivery	W
	(B) electronic controllers specified in head (b) in entry IL1391 inGroup 3D	W
	(6) machine tools for removing metals ceramics or composites, having all the following characteristics	W
	(A) acting by means of–
	(a) water or other liquid jets, whether or not employing abrasive additives;
	(b) electron beam; or
	(c) laser beam; and
	(B) according to the manufacturer’s technical specifications, can be equipped with numerical control units specified in head (a) above, even when they are not equipped with such units at delivery; and
	(C) having two or more rotary axes which–
	(a) can be co-ordinated simultaneously for contouring control; and
	(b) have a positioning accuracy of better than 0.01°;
	(c) Technology for–
	(1) the development of numerical control units for machine tools specified in head (a) above	D,I,L,Y
	(2) the production of numerical control units which have either of the following characteristics:
	(A) specified in head (a) above	D,I,L,Y
	(B) containing a microprocessor with both of the following	D,I,L,Y
	(a) a word length of 32 bit; and
	(b) a bus architecture of 32 bit;
	(3) the development of numerically controlled machine tools for removing, cutting or spark eroding metals, ceramics or composites specified inhead (b) above	D,I,L,Y
	(4) the production of numerically controlled machine tools which have either of the following characteristics–
	(A) specified in head (b) above	D,I,L,Y
	(B) a positioning accuracy along any linear axis of better than 0.02 mm	D,I,L,Y
	(5) the development of components specified in head (d) or (e) below	D,I,L,Y
	(6) the production of components or sub-assemblies, which have either of the following characteristics–
	(A) specified in head (d) or sub-head (e)(2) below	D,I,L,Y
	(B) not specified in sub-head (d)(2) or (d)(3) below	D,I,L,Y
	(7) the development of interactive graphics as an integrated part in numerical control units for preparation or modification of part programmes	D,I,L,Y
	(8) the development of generators of machine tool instructions (eg part programmes) from design data residing inside numerical control units	D,I,L,Y
	(9) the incorporation of expert systems for advanced decision support of shop floor operations	D,I,L,Y
	(10) the development of flexible manufacturing units used with the software specified in sub-head (b)(5)(E) in entry IL1566 in Group 3G	D,I,L,Y
	(d) Components and specially designed parts for machine tools specified inhead (b) above, the following–
	(1) spindle assemblies, consisting of spindles and bearings as a minimal assembly, with run-out (out-of-true running) less than–
	(A) 0.0008mm total indicator reading (TIR) for machine tools for turning or grinding	W
	(B) 2 × D × 10−5 mm total indicator reading (TIR), where D equals the diameter of the spindle in mm, for machine tools for milling	W
	(2) linear position feedback units (eg inductive type devices, graduated scales, laser or infrared systems) having, with compensation, an overall accuracy better than ± (0.0015 + L × 10−6)mm, where L equals the effective length in mm of the linear measurement	W
	(3) rotary position feedback units (eg inductive type devices, graduated scales, laser or infrared systems) having, with compensation, an accuracy better than ± 0.00025°	W
	(4) slide way assemblies consisting of a minimal assembly of ways, bed and slide with all of the following characteristics	W
	(A) a yaw, pitch or roll of less than 2 seconds of arc, total indicator reading (TIR);
	(B) a horizontal straightness of less than 0.004mm; and
	(C) a vertical straightness of less than 0.004mm;
	(5) ball screws, having all of the following characteristics	W
	(A) a sum of tolerance of mean travel deviation (e) and half the travel variation (Vu) less than (0.0025 + 5 × 10 −6 × L)mm, where L is the useful travel in mm of the ball screw;
	(B) a tolerance of travel variation (V300) within 300mm travel of the ball screw less than 0.004mm; and
	(C) a run-out (out-of-true running) of the journal diameter related to the screw shaft outer diameter less than 0.005mm total indicator reading (TIR), at an axial distance of 3 or more times the screw shaft outer diameter from the end of the journal;
	(6) single point diamond cutting tool inserts having all of the following characteristics	W
	(A) a flawless and chip-free cutting edge when magnified 400 times in any direction;
	(B) a cutting radius out-of-roundness less than 0.002mm total indicator reading (TIR); and
	(C) a cutting radius between 0.1 and 5.0mm;
	(7) linear induction motors used as drives for slides having all the following characteristics	W
	(A) a stroke longer than 200mm for linear slides;
	(B) a nominal force rating above 45 N; and
	(C) a minimal controlled incremental movement less than 0.001mm for linear motion;
	(e) Specially designed components or sub-assemblies, capable of upgrading, according to the manufacturer’s specifications, numerical control units, machine tools or feed-back devices to or above the levels specified in head (a) or (b), or in sub-head (d)(2) or (d)(3) above, the following–
	(1) printed circuit boards with mounted components and softwaretherefor	W
	(2) compound rotary tables	W
	In this entry–
	“accuracy”, usually measured in terms of inaccuracy, means the maximum deviation, positive or negative, of an indicated value from an accepted standard or true value;
	“adaptive control” means a control system that adjusts the response from conditions detected during the operation;	(cont.)
	“camming” (axial displacement) means axial displacement in one revolution of the main spindle measured in a plane perpendicular to the spindle faceplate, at a point next to the circumference of the spindle faceplate;
	“compound rotary table” means a table allowing the workpiece to rotate and tilt about two non-parallel axes, which can be co-ordinated simultaneously for contouring control;
	“contouring control” means two or more numerically controlled motions operating in accordance with instructions that specify the next required position and the required feed rates to that position. These feed rates are varied in relation to each other so that a desired contour is generated;
	“numerical control” means the automatic control of a process performed by a device that makes use of numeric data usually introduced as the operation is in progress;
	“positioning accuracy” of numerically controlled machine tools is to be determined and presented in accordance with ISO/DIS 230/2, paragraph 2.13, in conjunction with the requirements below:
	(a) test conditions:–
	(1) for 12 hours before and during measurements, the machine tools and accuracy measuring equipment will be kept at the same ambient temperature. During the premeasurement time the slides of the machine will be continuously cycled in the same manner that the accuracy measurements will be taken;
	(2) the machine shall be equipped with any mechanical, electronic, or software compensation to be exported with the machine;
	(3) accuracy of measuring equipment for the measurements shall be at least 4 times more accurate than the expected machine tool accuracy;
	(4) power supply for slide drives shall be the following:–
	(A) line voltage variation shall not be greater than ± 10 per cent of nominal rated voltage;
	(B) frequency variation shall not be greater than ± 2 Hz of normal frequency;
	(C) lineouts or interrupted service are not permitted.
	(b) test programme:–
	(1) feed rate (velocity of slides) during measurement shall be the rapid traverse rate; NOTE: In case of machine tools which generate optical quality surfaces, the feed rate shall be equal to or less than 50mm per minute;
	(2) measurements shall be made in an incremental manner from one limit of the axis travel to the other without returning to the starting position for each move to the target position;
	(3) axes not being measured shall be retained at mid travel during test of an axis.
	(c) presentation of test results:–
	the results of the measurements must include:–
	(1) position accuracy (A); and
	(2) the mean reversal error (B);
	“run out” (out-of-true running) means radial displacement in one revolution of the main spindle measured in a plane perpendicular to the spindle axis at a point on the external or internal revolving surface to be tested;
	“tilting spindle” means a tool holding spindle which alters, during the machining process, the angular position of its centre line with respect to any other axis.
	“machine tools for removing, cutting or spark eroding metal, ceramics or composites” are the following:
	(a) machine tools for turning, including–
	(1) horizontal turning machines;
	(2) vertical turning machines;
	(3) turning centres, with or without milling or grinding options;
	(4) machines for generating optical quality surfaces;
	(b) machine tools for milling, including–
	(1) boring machines;
	(2) boring-milling machines;
	(3) milling machines;
	(4) machining centres, with or without turning or grinding options;
	(5) machine tools for routing;
	(c) machine tools for grinding, with or without milling or turning options, including–
	(1) jig grinding machines;
	(2) contour grinding machines;
	(3) tool and cutter grinding machines;
	(d) machine tools using electric discharge for machining;
	(e) other machines tools, as follows:
	(1) water and other liquid jet machines;
	(2) electron beam cutting machines; or
	(3) ser cutting machines.
	Any term used in this entry shall bear the meaning it has in entry IL1565 and entry IL1566 in Group 3G.
PL7005	Machines, internal grinding, (except hand-held drills) of the kind incorporating, or specially designed for the utilisation of, grinding heads designed or rated for operation at speeds in excess of 120,000 revolutions per minute	W
IL1099	Dimensional inspection systems or devices, the following: and specially designed components and specially designed ODMA software therefor–
	(a) Manual dimensional inspection machines with two or more axes, and having a measurement uncertainty equal to or less (better) than (0.25 + L/1000) micrometre in any axis (L is measured length in mm)	C
	except optical comparators.
	(b) Computer controlled or numerically controlled dimensional inspection machines having both of the following characteristics	C
	(1) two or more axes;
	(2) a one dimensional (1D) length measurement uncertainty equal to or less (better) than (1.5 + L/1000) micrometre tested with a probe of an accuracy of less (better) than 0.2 micrometre (L is measured length in mm);
	(c) Linear angular displacement measuring devices, the following–
	(1) linear measuring instruments having any of the following characteristics–
	(A) non-contact type measuring systems with a resolution equal to or less than 0.2micrometre within a measuring range up to 0.2mm	C
	(B) linear voltage differential transformer systems having both of the following characteristics	C
	(a) linearity equal to or less (better) than 0.1% within a measuring range up to and including 5mm; and
	(b) drift equal to or less (better) than 0.1% per day at a standard ambient test room temperature ± 1K; or
	(C) measuring systems having both the following characteristics	C
	(a) contain a laser;
	(b) maintain for at least 12 hours, over a temperature range of ± 1K around a standard temperature and at a standard pressure–
	(1) a resolution over their full scale of ± 0.1micrometre or better; and
	(2) a measurement uncertainty equal to or less (better) than (0.2 + L/2000) micrometre (L is measured length in mm);
	(2) angular measuring instruments having an angular position deviation equal to or less (better) than 0.00025°	C
	except–
	optical instruments, such as autocollimators, using collimated light to detect angular displacement of a mirror;
	(d) Systems for simultaneous linear-angular inspection of hemishells, having both of the following characteristics	C
	(1) measurement uncertainty along any linear axis equal to or less (better) than 3.5micrometre per 5mm;
	(2) angular position deviation equal to or less (better) than 0.02°
	NOTE: Specially designed ODMA software for the systems described in this head includes software for simultaneous measurement of wall thickness and contour.
	In this entry–
	“angular position deviation” means the maximum difference between angular position and the actual, very accurately measured angular position, after the workpiece mount of the table has been turned out of its initial position;
	“linearity” (usually measures in terms of non-linearity) means the maximum deviation of the actual characteristic (average of upscale and downscale readings), positive or negative, from a straight line so positioned as to equalise and minimise the maximum deviations;
	“measurement uncertainty” means the characteristic parameter which specifies in what range about the output value the correct value of the measurable variable lies with a confidence level of 95%. It includes the uncorrected systematic deviations, the uncorrected backlash and the random deviations;
	“resolution” means the least increment of a measuring device; on digital instruments, the least significant bit.

GROUP 3B

IL1131	Pumps (except vacuum pumps) designed to move molten metals by electro-magnetic forces	C
PL7029	Equipment for the production and handling of goods specified in PL7028, specially designed components therefor and related technology, the following:
	(a) Equipment, excluding mixers, for the production, handling and acceptance testing of goods specified in PL7028, and specially designed components therefor	A
	(b) Technology for the production of goods specified in PL7028	B
PL7030	Mixers designed for propellants specified in PL5009 or PL7028, having all the following characteristics: and specially designed components therefor	A
	(a) with provision for mixing under vacuum in the range zero to 13.326 kPa with temperature control capability of the mixing chamber;
	(b) having either of the following characteristics;
	(i) having explosion proof electric or hydraulic motor;
	(ii) having an emergency system to open the system to atmosphere in the case of fire in the mixing chamber; and
	(c) being either of the following types:
	(i) batch mixers having a total volumetric capacity of 110 litres or more, or
	(ii) continuous mixers.

GROUP 3C

IL1205	Electro-chemical, semiconductor and radioactive devices for the direct conversion of chemical, solar or nuclear energy to electrical energy, the following–
	(a) Electro-chemical devices, the following: and specially designed components therefor–
	(1) fuel cells operating at temperatures of 523 K (250°C) or less, including regenerative cells, ie cells for generating electric power, to which all the consumable components are supplied from outside the cell	C
	Note: the temperature of 523 K or less refers to the fuel cell and not to the fuel conditioning equipment, which may be either an ancillary or an integral part of the fuel cell battery and which may operate at over 523 K.
	(2) primary cells (non-rechargeable) and batteries, having any of the following characteristics–
	(i) reserve (water, electrolyte or thermally activated) batteries possessing a means of activation and having a rated unactivated storage life of three years or more at an ambient temperature of297 K (24°C)
	(ii) utilizing lithium or calcium (including alloys in which lithium or calcium are constituents) as electrodes and having an energy density at a discharge current equal to C/24 hours (C being the nominal capacity at 297 K (24°C) in ampere-hours) of more than 300 watt-hours per kilogramme at 297 K (24°C) and more than 100 watt-hours per kilogramme at 244 K (−29°)	C
	Note: Energy density is obtained by multiplying the average power in watts (average voltage in volts times average current in amperes) by the duration of the discharge in hours to 80% of the open-circuit voltage and dividing by the total mass of the cell (or battery) in kilogrammes;
	(iii) using an air electrode together with either lithium or aluminium counter-electrodes and having a power output of 5 kilowatts or more or an energy output of 5 kilowatt-hours or more	C
	(3) secondary (rechargeable) cells and batteries having either of the following characteristics after more than 20 charge/discharge cycles at a discharge current equal to C/5 hours (C being the nominal capacity in ampere-hours)–
	(i) utilizing nickel and hydrogen as the active constituents and having an energy density of 55 watt hours per kilogramme or more at 297 K (24°C)	C
	(ii) utilizing lithium or sodium as electrodes or reactants and having an energy density of 55 watt-hours per kilogramme or more at the rated operating temperature	C
	Note: Energy density is obtained by multiplying the average power in watts (average voltage in volts times average current in amperes) by the duration of the discharge in hours to 75% of the open-circuit voltage and divided by the total mass of the cell (or battery) in kilogrammes;
	(4) molten salt electrolyte cells and batteries which normally operate at temperatures of 773 K (500°C) or below	C
	(b) Photo-voltaic cells, the following: and specially designed components therefor–
	(1) cells with a power output of 140 W or more per sq m under 1 kW per sq m tungsten 2,800 K (2,527°C) illumination	C
	(2) all gallium arsenide photo-voltaic cells including those having a power output of less than 40 W per sq m measured using the technique in sub-head (1) to this head	C
	(3) cells with a power output of 4.5 kW or more per sq m under 100 kW per sq m silicon carbide at 1,750 K(1,477°C) illumination	C
	(4) electromagnetic cells (including laser) and ionized particle radiation resistant cells	C
	(c) Power sources based on radio-active materials systems other than nuclear reactors	C
	except–
	(i) those having an output power of less than 0.5 W and a total weight (force) of more than 890 N (90.7 kg);
	(ii) those specially designed and developed for medical use within the human body.
	There are excluded from this entry cells and power source devices, the following: and specially designed components therefor–
	(a) fuel cells specified in sub-head (a)(1) above, provided they are not space qualified, with a maximum output power more than 10 kilowatts and which use gaseous pure hydrogen and oxygen/air reactants, alkaline electrolyte and a catalyst supported by carbon either pressed on a metal mesh electrode or attached to a conducting porous plastic;
	(b) lithium primary (non-rechargeable) cells or batteries specified in sub-head (a)(2)(ii) which:
	(1) are specially designed for consumer applications; or
	(2) are specially designed for civil applications and have a nominal capacity less than or equal to 35 ampere-hours and discharge current of less than C/10 hours (C as defined for the purpose of sub-head (a)(2)(ii)).
	(c) lithium secondary (rechargeable) cells and batteries specified in sub-head (a)(3)(ii) above which:
	(1) are specially designed for consumer applications;
	(2) have a nominal capacity less than or equal to 0.5 ampere-hour and an energy density of less than 40 watt-hours per kilogramme at 273 K (0°C) and a discharge current of less than C/10 hours (C as defined for the purpose of sub-head (a)(3));
	(d) sodium secondary (rechargeable) cells and batteries specified in sub-head (a)(3)(ii) above which are specially designed for consumer or civil industrial applications and which are not space qualified.
	In this entry “space qualified” refers to products which are stated by the manufacturer as designed and tested to meet the special electrical, mechanical or environmental requirements for use in rockets, satellites or high-altitude flight systems operating at altitudes of 100 km or more.

GROUP 3D

Reading this document does not replace reading the official text published on legislation.gov.uk. Contains public sector information licensed under the Open Government Licence v3.0. We assume no responsibility for any inaccuracies arising from the conversion of the original CLML XML to this format.

This text is published under legislation.gov.uk's own terms of reuse, not a Legalize or public-domain licence. legislation.gov.uk
Open Government Licence v3.0 (attribution required)
© Crown and database right. Derived from content available under the Open Government Licence v3.0 from legislation.gov.uk.