The Export of Goods (Control) Order 1987

GROUP 3A Metal Working Machinery and Associated Equipment

IL1075	Machines, spin-forming and flow-forming, specially designed or adapted for use with numerical or computer controls and specially designed components and software therefor ... ... ... ...	A
IL1080	Specially designed equipment, tooling and fixtures for the manufacture or measuring of gas turbine blades or vanes, the following–
	(1) Blade or vane aerofoil or root automatic measuring equipment ... ... ... ...	A
	(2) Precision vacuum investment coating equipment, including core-making equipment ... ... ... ...	A
	(3) Small-hole drilling equipment for producing holes having depths more than four times their diameter and less than 0.76 mm in diameter ... ... ... ...	A
	(4) Directional solidification casting equipment and directional recrystallisation equipment ... ... ... ...	A
	(5) Segmented cast blade or vane bonding equipment ... ... ... ...	A
	(6) Integral blade-and-disc casting equipment ... ... ... ...	A
	(7) Blade or vane casting equipment, except furnaces, molten-metal baths and iron-plating baths ... ... ... ...	A
	(8) Ceramic blade or vane moulding and finishing machines ... ... ... ...	A
	(9) Moulds, cores and tooling for the manufacture and finishing of–
	(a) cast hollow turbine blades or vanes ... ... ... ...	A
	(b) turbine blades or vanes produced by powder compaction ... ... ... ...	A
	(10) Composite metal turbine blade or vane moulding and finishing machines ... ... ... ...	A
	(11) Inertial blade or vane welding machines ... ... ... ...	A
	(12) Specially designed components and accessories for the equipment specified in heads (1) to (11) above (inclusive), and specially designed software for the use of the equipment, components and accessories ... ... ... ...	A
(See also the entry in Group 4 relating to technology for the use of certain blade or vane machines not specified in this entry.)
IL1081	Equipment, tools, dies, moulds and fixtures specially designed or modified for the manufacture or inspection of aircraft, airframe structures and aircraft fasteners, the following–
	(1) Equipment, tools, dies, moulds and fixtures for–
	(a) hydraulic stretch-forming–
	(i) of which the machine motions or forces are digitally controlled or controlled by electrical analogue devices; or ... ... ... ...	A
	(ii) which are capable of thermal-conditioning the workpiece ... ... ... ...	A
	(b) milling aircraft skins or spars ... ... ... ...	A
	(2) Tools, dies, moulds and fixtures for–
	(a) diffusion bonding ... ... ... ...	A
	(b) superplastic forming ... ... ... ...	A
	(c) hot die forging ... ... ... ...	A
	(d) metal powder compaction by vacuum hot pressing, high pressure extrusion or isostatic pressing ... ... ... ...	A
	(e) direct-acting hydraulic pressing of aluminium alloys and titanium alloys ... ... ... ...	A
	(f) manufacturing, inspecting, inserting or securing specially designed high-strength aircraft fasteners ... ... ... ...	A
	(3) Specially designed components and accessories for the equipment, tools, dies, moulds or fixtures specified in heads (1) and (2) above, and specially designed software for the use of the equipment, components and accessories ... ... ... ...	A
IL1086	Equipment, tools, dies, moulds, fixtures and gauges specially designed or modified for the manufacture or inspection of aircraft and aircraft-derived gas turbine engines the following–
	(1) Equipment, tools, dies, moulds, fixtures and gauges for–
	(a) automated production inspection ... ... ... ...	A
	(b) automated welding ... ... ... ...	A
	(2) Tools, dies, moulds, fixtures and gauges for–
	(a) solid-state joining by inertial welding or thermal bonding ... ... ... ...	A
	(b) manufacture and inspection of high-performance gas turbine bearings ... ... ... ...	A
	(c) rolling specially configured rings such as nacelle rings ... ... ... ...	A
	(d) forming and finishing turbine discs ... ... ... ...	A
	(3) Compressor or turbine disc broaching machines ... ... ... ...	A
	(4) Specially designed components and accessories for the equipment, tools, dies, moulds, fixtures and gauges specified in heads (1) to (3) above (inclusive), and specially designed software for the use of the equipment, components and accessories ... ... ... ...	A
IL1088	Machines, gear making or gear finishing, the following–
	(1) Bevel gear making machines, the following–
	(a) gear grinding machines (non-generating type) ... ... ... ...	A
	(b) other machines capable of the production of bevel gears having a diametral pitch finer than 48 (a module finer than 0.5 mm) and meeting a quality standard better than Admiralty Class I ... ... ... ...	A
	(2) Machines capable of the production of gears meeting a quality standard better than British Standard 436:190 Grade 2 ... ... ... ...	A
IL1091 IL1093	Machine tools and numerical control systems, the following–
	(1) Machine tools and dimensional inspection machines equipped or capable of being equipped with numerical control systems (as specified in head (2) below) ... ... ... ...	A
	except
	(a) boring mills, milling machines and machining centres having all of the following characteristics–
	(i) not more than three axes capable of simultaneously co-ordinated contouring motion or not more than three linear axes plus one rotary axis, but no tilting axis capable of simultaneously co-ordinated contouring motion;
	(ii) maximum slide travel in any axis equal to or less than 3,000 mm;
	(iii) spindle drive motor power of not more than 35 kW;
	(iv) single working spindle;
	(v) axial and radial axis motion measured at the spindle axis in one revolution of the spindle equal to or greater than D × 2 × 10u2–u25 mm TIR (peak to peak) where D is the spindle diameter in millimetres;
	(vi) incremental positioning accuracy equal to or greater (coarser) than .266 0.002 mm in any 200 mm of travel; and
	(vii) overall positioning accuracy in any axis equal to or greater (coarser) than–
	(a) .266 0.01 mm for machines with total length of axis travel of not greater than 300 mm;
	(b) .266 (0.01 + (0.0025/300 × (L-300))) mm for machines with a total length of axis travel of greater than 300 mm and not greater than 3,300 mm;
	(c) .266 0.035 mm for machines with a total length of axis travel greater than 3,300 mm;
	(b) machine tools, other than those specified in sub-head (a) above and dimensional inspection machines having both of the following characteristics–
	(i) radial-axis motion measured at the spindle axis equal to or greater than 0.0008 mm TIR (peak to peak) in one revolution of the spindle (for lathes, turning machines, contour grinding machines and similar machinery); and
	(ii) meeting the requirements specified in sub-heads (a)(i), (vi) and (vii) above.
	(c) dimensional inspection machines, having all of the following characteristics–
	(i) a linear positioning accuracy equal to or less than–
	(a) .266 (3 + L/300) micrometre for L shorter than or equal to 3,300 mm;
	(b) .266 14 micrometre for L longer than 3,300 mm;
	(ii) a rotary accuracy of equal to or less than 5 seconds in every 90 degrees;and
	(iii) meeting the requirements of (a)(i) above;
	(Note also the entry in Group 3D relating to machine tools for generating optical quality surfaces.)
	(2) Units for numerically controlling simultaneously co-ordinated (contouring and continuous path) movements of machines in two or more axes ... ... ... ...	A
	except those having all of the following characteristics–
	(a) no more than two contouring interpolating axes capable of simultaneous co-ordination;
	(b) minimum programmable increment equal to or greater than 0.001 mm;
	(c) interfaces limited as follows–
	(i) no integral interface designed to meet ANSI/IEEE standard 488–1978, IEC publication 625–1, or any equivalent standard;
	(ii) no more than two interfaces meeting EIA standard RS–232–C or any equivalent standard;
	(d) on-line (real-time) modification of the tool path, feed rate and spindle data limited to the following–
	(i) cutter diameter compensation normal to the centreline path;
	(ii) automatic acceleration and deceleration for starting, cornering and stopping;
	(iii) axis transducer compensation including lead screw pitch compensation;
	(iv) constant surface speed with or without limits;
	(v) spindle growth compensation;
	(vi) manual feed rate and spindle speed override;
	(vii) fixed and repetitive cycles;
	(viii) tool and fixture offset;
	(ix) part programme tape editing, excluding source programme language and centreline location data (CLDATA);
	(x) tool length compensation;
	(xi) part programme storage;
	(xii) variable pitch threading;
	(xiii) inch/metric conversion; and
	(xiv) feed rate override based on spark voltage for electrical discharge machines;
	(e) word size not greater than 16 bits (excluding parity bit(s));
	(f) software/firmware, including that of any programmable unit or device furnished, not exceeding the control unit functions specified in sub-heads (a) to (e) above (inclusive) and restricted as follows–
	(i) furnishing only the following application programmes, capable of execution without further compilation, assembly, interpretation or processing (other than control unit parameter initialisation) and memory storage loading, and each supplied as an entity and not in modular form–
	(a) an operating programme allowing the unit to perform its normal functions;
	(b) one or more diagnostic programmes to verify control or machine performance and permit localisation of hardware malfunctions;
	(c) a translator programme enabling the end user to programme the control-to-machine interface;
	(ii) programme documentation for application programmes not containing the following–
	(a) listing of programme instructions, other than that necessary for diagnostics for routine hardware maintenance;
	(b) description of programme organisation or function beyond that required for programme use and for maintenance of hardware with which the programmes operate;
	(c) flow charts, logic diagrams or the algorithms employed, other than those necessary for use of diagnostics for routine hardware maintenance;
	(d) any reference to specific memory storage locations, other than those necessary for diagnostics for routine hardware maintenance;
	(e) any other information about the design or function of the software which could assist in the analysis or modification of all or part of it.
	(3) Direct numerical control systems (DNC) consisting of a dedicated stored-programme computer acting as a host computer and controlling, on-line or off-line, one or more of the numerically controlled machine tools or inspection machines specified in head (1) above, related software therefor and interface and communication equipment for data transfer between the host computer memory, the interpolation functions and the numerically controlled machine tools ... ... ... ...	A
	(4) Spindle assemblies, consisting of spindles and bearings as a minimal assembly, except those assemblies with axial and radial axis motion measured along the spindle axis in one revolution of the spindle equal to or greater (coarser) than the following ... ... ... ...	A
	(a) 0.0008 mm TIR (peak-to-peak) for lathes and turning machines; or
	(b) D × 2 × 10u2–u25 mm TIR (peak-to-peak) where D is the spindle diameter in millimetres, for milling machines, boring mills, jig grinders and machining centres.
	(5) Lead screws, including ball nut screws, except those having all of the following characteristics ... ... ... ...	A
	(a) accuracy equal to or greater (coarser) than 0.004 mm/300 mm;
	(b) overall accuracy equal to or greater (coarser) than (0.0025 + 5 × 10u2–u26 × L) mm where L is the effective length in millimetres of the screw; and
	(c) concentricity of the centre line of the journal bearing surface and the centre line of the major diameter of the screw equal to or greater (coarser) than 0.005 mm TIR (peak-to-peak) at a distance of 3 times the diameter of the screw or less from the journal bearing surface.
	(6) Linear and rotary position feedback units including inductive type devices, graduated scales and laser systems ... ... ... ...	A
	except
	(a) linear type units having an accuracy equal to or greater (coarser) than (0.0004 + 13 × 10u2–u26 × L) mm for L equal to or less than 100 mm and (0.0015 + 2 × 10u2–u26 × L) mm for L greater than 100 mm, where L is the effective length in millimetres of the linear measurement; and
	(b) rotary types having an accuracy equal to or greater (coarser) than 2 seconds of arc.
	(7) Linear induction motors, used as drives for slides, having all of the following characteristics: ... ... ... ...	A
	(a) stroke greater than 200 mm;
	(b) nominal force rating greater than 45 N; and
	(c) minimum controlled incremental movement less than 0.001 mm.
	(8) Specially designed sub-assemblies and software capable of upgrading the capabilities of numerical control units and machine tools so that they fall within the descriptions in heads (1) to (3) above (inclusive) ... ... ... ...	A
—	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 ... ... ... ...	A