Single-purpose machines or devices for particular grinding operations not covered by any other main group (tapering, chamfering, or relief cutting of taps or reamers B24B3/20, B24B3/22, grinding screw threads B23G)

Child Classifications

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• B24B 19/001
• B24B 19/003
• B24B 19/004
• B24B 19/005
• B24B 19/006
• B24B 19/007
• B24B 19/008
• B24B 19/009
• B24B 19/02 for grinding grooves, e.g. on shafts, in casings, in tubes, homokinetic joint elements
• B24B 19/08 for grinding non-circular cross-sections, e.g. shafts of elliptical or polygonal cross-section
• B24B 19/14 for grinding turbine blades, propeller blades or the like (using grinding belts B24B21/16)
• B24B 19/16 for grinding sharp-pointed workpieces, e.g. needles, pens, fish hooks, tweezers or record player styli (grinding bevels on diamonds or sapphires B24B9/16; polishing of needles B24B29/08)
• B24B 19/20 for grinding dies (for grinding walls of very fine holes B24B5/48)
• B24B 19/22 characterised by a special design with respect to properties of the material of non-metallic articles to be ground
• B24B 19/26 for grinding workpieces with arcuate surfaces, e.g. parts of car bodies, bumpers or magnetic recording heads (grinding of spherical surfaces in general B24B11/00, of optical surfaces on lenses or surfaces of similar shape on other work B24B13/00)