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)

Child Classifications

Navigate with arrow keys, Enter to open

• 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 B23F9/00)
• 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 15/00 Methods or machines for making gear wheels of special kinds not covered by groups B23F7/00 - B23F13/00
• B23F 17/00 Special methods or machines for making gear teeth, not covered by the preceding groups
• B23F 19/00 Finishing gear teeth by other tools than those used for manufacturing gear teeth
• B23F 21/00 Tools specially adapted for use in machines for manufacturing gear teeth
• B23F 23/00 Accessories or equipment combined with or arranged in, or specially designed to form part of, gear-cutting machines (accessories or equipment not restricted to gear-cutting machines B23Q)
• 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 B23Q35/00)
• 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 7/00 Making herringbone gear teeth
• B23F 9/00 Making gears having teeth curved in their longitudinal direction