WebCPC CPC COOPERATIVE PATENT CLASSIFICATION

B23F　MAKING GEARS OR TOOTHED RACKS (by stamping B21D; by rolling B21H; by forging or pressing B21K; by casting B22; arrangements for copying or controlling B23Q; machines or devices for grinding or polishing, in general B24B)

B23F 1/00 Making gear teeth by tools of which the profile matches the profile of the required surface (special adaptations for making curved teeth B23F 9/00)

B23F 1/02 ・by grinding

B23F 1/023 ・・{the tool being a grinding worm}

B23F 1/026 ・・{with plural tools}

B23F 1/04 ・by planing or slotting

B23F 1/06 ・by milling

B23F 1/065 ・・{with plural tools}

B23F 1/08 ・by broaching; by broach-milling

B23F 1/083 ・・{by broach-milling}

B23F 1/086 ・・{Pot broaching}

B23F 3/00 Making gear teeth involving copying operations controlled by templates having a profile which matches that of the required tooth face or part thereof or a copy thereof to a different scale (copying systems or devices per se B23Q 35/00)

B23F 5/00 Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made

B23F 5/02 ・by grinding

B23F 5/04 ・・the tool being a grinding worm

B23F 5/06 ・・the tool being a grinding disc with a plane front surface

B23F 5/065 ・・・{and the grinding disc axis varying angularly with respect to the workpiece axis}

B23F 5/08 ・・the tool being a grinding disc having the same profile as the tooth or teeth of a rack

B23F 5/085 ・・・{and the grinding disc axis varying angularly with respect to the workpiece axis}

B23F 5/10 ・・the tool being a grinding disc having the same profile as the tooth or teeth of a crown or bevel wheel

B23F 5/12 ・by planing or slotting

B23F 5/125 ・・{with two single-tooth tools mounted on reciprocating slides}

B23F 5/14 ・・the tool having the same profile as a tooth or teeth of a rack

B23F 5/16 ・・the tool having a shape similar to that of a spur wheel or part thereof

B23F 5/163 ・・・{the tool and workpiece being in crossed axis arrangement, e.g. skiving, i.e."Waelzschaelen"}

B23F 5/166 ・・・{with plural tools}

B23F 5/18 ・・the tool having the same profile as a tooth of a crown wheel

B23F 5/20 ・by milling

B23F 5/202 ・・{the tool having a shape similar to that of a gear or part thereof, with cutting edges situated on the tooth contour lines (tools therefor B23F 21/122)}

B23F 5/205 ・・{with plural tools}

B23F 5/207 ・・・{the tools being interlocked}

B23F 5/22 ・・the tool being a hob for making spur gears

B23F 5/24 ・・the tool being a hob for making bevel gears

B23F 5/26 ・・the tool having the same profile as a tooth or teeth of a rack, for making spur gears

B23F 5/27 ・・the tool having the same profile as a tooth or teeth of a crown or bevel wheel

B23F 5/28 ・by broaching; by broach-milling

B23F 5/285 ・・{broaching with working tools mounted on an endless chain or belt}

B23F 7/00 Making herringbone gear teeth

B23F 9/00 Making gears having teeth curved in their longitudinal direction

B23F 9/003 ・{by broaching}

B23F 9/006 ・・{broaching with working tools mounted on an endless chain or belt}

B23F 9/02 ・by grinding

B23F 9/025 ・・{with a face-mill-type, i.e. cup-shaped, grinding wheel}

B23F 9/04 ・by planing or slotting with reciprocating cutting tools

B23F 9/06 ・・having a shape similar to a spur-wheel or part thereof

B23F 9/07 ・・having a shape similar to a crown wheel or a part thereof

B23F 9/08 ・by milling, e.g. with helicoidal hob

B23F 9/082 ・・{with a hob}

B23F 9/084 ・・・{the hob being tapered}

B23F 9/086 ・・{with two or more tools}

B23F 9/088 ・・・{the tools being interlocked}

B23F 9/10 ・・with a face-mill

B23F 9/105 ・・・{with continuous indexing, i.e. with continuous work rotation}

B23F 9/12 ・・・for non-continuous generating processes

B23F 9/14 ・・・for continuous generating processes

B23F 11/00 Making worm wheels, e.g. by hobbing

B23F 13/00 Making worms by methods essentially requiring the use of machines of the gear-cutting type (making screw-thread B23G)

B23F 13/003 ・{making worms of conical or barrel shape}

B23F 13/006 ・・{by grinding}

B23F 13/02 ・Making worms of cylindrical shape

B23F 13/04 ・・by grinding

B23F 13/06 ・Making worms of globoidal shape

B23F 13/08 ・・by grinding

B23F 15/00 Methods or machines for making gear wheels of special kinds not covered by groups B23F 7/00 to B23F 13/00

B23F 15/005 ・{Making sprocket teeth}

B23F 15/02 ・Making gear teeth on wheels of varying radius of operation, e.g. on elliptical wheels

B23F 15/04 ・Making fine-pitch gear teeth on clock wheels or the like by special machining

B23F 15/06 ・Making gear teeth on the front surface of wheels, e.g. for clutches or couplings with toothed faces

B23F 15/08 ・Making intermeshing rotors, e.g. of pumps

B23F 17/00 Special methods or machines for making gear teeth, not covered by the preceding groups

B23F 17/001 ・{for making gear pairs}

B23F 17/003 ・{for dry cutting}

B23F 17/005 ・{for machining tooth fillet or tooth root}

B23F 17/006 ・{using different machines or machining operations}

B23F 17/008 ・・{Features relating to transfer of work gears between different work stations}

B23F 19/00 Finishing gear teeth by other tools than those used for manufacturing gear teeth

B23F 19/002 ・{Modifying the theoretical tooth flank form, e.g. crowning (B23F 19/10 takes precedence)}

B23F 19/005 ・・{using a face-mill-type tool, e.g. a milling or a grinding tool}

B23F 19/007 ・・{using a gear-shaped tool}

B23F 19/02 ・Lapping gear teeth

B23F 19/025 ・・{Lapping bevel gears by making use of a correspondingly shaped counterpart}

B23F 19/04 ・・Lapping spur gears by making use of a correspondingly shaped counterpart

B23F 19/045 ・・・{the counterpart having internal toothing}

B23F 19/05 ・Honing gear teeth

B23F 19/052 ・・{by making use of a tool in the shape of a worm}

B23F 19/055 ・・{by making use of a tool in the shape of a bevel gear or a crown gear}

B23F 19/057 ・・{by making use of a tool in the shape of an internal gear}

B23F 19/06 ・Shaving the faces of gear teeth

B23F 19/063 ・・{by making use of a tool in the shape of an internal gear}

B23F 19/066 ・・{with plural tools}

B23F 19/10 ・Chamfering the end edges of gear teeth

B23F 19/101 ・・{by planing}

B23F 19/102 ・・{by milling}

B23F 19/104 ・・・{the tool being a hob}

B23F 19/105 ・・・{the tool being an end mill}

B23F 19/107 ・・・{the tool being a fly cutter}

B23F 19/108 ・・{by brushing}

B23F 19/12 ・・by grinding

B23F 19/125 ・・・{the tool being a grinding worm}

B23F 21/00 Tools specially adapted for use in machines for manufacturing gear teeth

B23F 21/005 ・{with plural tools on a common axis}

B23F 21/02 ・Grinding discs; Grinding worms (truing grinding tools B24B; grinding tools in general B24D)

B23F 21/023 ・・{Face-mill-type, i.e. cup-shaped, grinding wheels}

B23F 21/026 ・・{Grinding worms}

B23F 21/03 ・Honing tools

B23F 21/035 ・・{Honing worms}

B23F 21/04 ・Planing or slotting tools

B23F 21/043 ・・{with inserted cutting elements}

B23F 21/046 ・・・{in exchangeable arrangement}

B23F 21/06 ・・having a profile which matches a gear tooth profile

B23F 21/063 ・・・{with inserted cutting elements}

B23F 21/066 ・・・・{in exchangeable arrangement}

B23F 21/08 ・・having the same profile as a tooth or teeth of a rack

B23F 21/083 ・・・{with inserted cutting elements}

B23F 21/086 ・・・・{in exchangeable arrangement}

B23F 21/10 ・・Gear-shaper cutters having a shape similar to a spur wheel or part thereof

B23F 21/103 ・・・{with inserted cutting elements}

B23F 21/106 ・・・・{in exchangeable arrangement}

B23F 21/12 ・Milling tools

B23F 21/122 ・・{having a shape similar to that of a gear or part thereof, with cutting edges situated on the tooth contour lines}

B23F 21/124 ・・{with cutting teeth disposed on the inner periphery of a ring}

B23F 21/126 ・・{with inserted cutting elements}

B23F 21/128 ・・・{in exchangeable arrangement}

B23F 21/14 ・・Profile cutters of disc type

B23F 21/143 ・・・{with inserted cutting elements}

B23F 21/146 ・・・・{in exchangeable arrangement}

B23F 21/16 ・・Hobs

B23F 21/163 ・・・{with inserted cutting elements}

B23F 21/166 ・・・・{in exchangeable arrangement}

B23F 21/18 ・・・Taper hobs, e.g. for bevel gears

B23F 21/183 ・・・・{with inserted cutting elements}

B23F 21/186 ・・・・・{in exchangeable arrangement}

B23F 21/20 ・・Fly cutters

B23F 21/203 ・・・{with inserted cutting elements}

B23F 21/206 ・・・・{in exchangeable arrangement}

B23F 21/22 ・・Face-mills for longitudinally-curved gear teeth

B23F 21/223 ・・・{with inserted cutting elements}

B23F 21/226 ・・・・{in exchangeable arrangement}

B23F 21/23 ・・・with cutter teeth arranged on a spiral curve for continuous generating processes

B23F 21/233 ・・・・{with inserted cutting elements}

B23F 21/236 ・・・・・{in exchangeable arrangement}

B23F 21/24 ・Broach-milling tools

B23F 21/241 ・・{with inserted cutting elements}

B23F 21/243 ・・・{in exchangeable arrangement}

B23F 21/245 ・・{Face broach mills}

B23F 21/246 ・・・{with inserted cutting elements}

B23F 21/248 ・・・・{in exchangeable arrangement}

B23F 21/26 ・Broaching tools

B23F 21/262 ・・{with inserted cutting elements (B23F 21/266 and B23F 21/268 take precedence)}

B23F 21/264 ・・・{in exchangeable arrangement}

B23F 21/266 ・・{mounted on an endless chain or belt}

B23F 21/268 ・・{Pot broaches}

B23F 21/28 ・Shaving cutters

B23F 21/282 ・・{with inserted cutting elements}

B23F 21/284 ・・・{in exchangeable arrangement}

B23F 21/286 ・・{having the shape of an internal gear}

B23F 21/288 ・・{the cutting edges on consecutive teeth being helically arranged}

B23F 23/00 Accessories or equipment combined with or arranged in, or specially designed to form part of, gear-cutting machines (tool-guiding mechanisms, see the relevant groups for making gear teeth; accessories or equipment not restricted to gear-cutting machines B23Q)

B23F 23/003 ・{Generating mechanisms}

B23F 23/006 ・{Equipment for synchronising movement of cutting tool and workpiece, the cutting tool and workpiece not being mechanically coupled}

B23F 23/02 ・Loading, {unloading} or chucking arrangements for workpieces

B23F 23/04 ・・Loading {or unloading} arrangements

B23F 23/06 ・・Chucking arrangements

B23F 23/08 ・Index mechanisms

B23F 23/085 ・・{of the continuous type}

B23F 23/10 ・Arrangements for compensating irregularities in drives or indexing mechanisms

B23F 23/12 ・Other devices, e.g. tool holders; Checking devices for controlling workpieces in machines for manufacturing gear teeth

B23F 23/1206 ・・{Tool mountings}

B23F 23/1212 ・・・{using fluid pressure means}

B23F 23/1218 ・・{Checking devices for controlling workpieces in machines for manufacturing gear teeth}

B23F 23/1225 ・・{Arrangements of abrasive wheel dressing devices on gear-cutting machines (dressing devices per se B24B 53/00)}

B23F 23/1231 ・・・{using a gear-shaped dressing tool}

B23F 23/1237 ・・{Tool holders}

B23F 23/1243 ・・・{Hob holders}

B23F 23/125 ・・・{Face mill holders}

B23F 23/1256 ・・・{Rack cutter holders}

B23F 23/1262 ・・・{Grinding disc holders; Disc-type milling-cutter holders}

B23F 23/1268 ・・・{Face-mill-type grinding wheel holders}

B23F 23/1275 ・・・{Grinding or honing worm holders}

B23F 23/1281 ・・・{Honing, shaving or lapping tool holders}

B23F 23/1287 ・・・{Pinion shaper cutter holders}

B23F 23/1293 ・・{Workpiece heads}