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| SECTION B PERFORMING OPERATIONS; TRANSPORTING |
| B 23 | MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR (punching, perforating, making articles by processing sheet metal, tubes, or profiles B 21 D; wire-working B 21 F; making pins, needles, or nails B 21 G; making chains B 21 L; grinding B 24) |
| B 23 C | MILLING (broaching B 23 D; broach-milling in making gears B 23 F; arrangements for copying or controlling B 23 Q) |
1/ | 00 | Milling machines not designed for particular work or special operations |
1/ | 02 | . | with one horizontal working-spindle |
1/ | 025 | . | . | with working-spindle in a fixed position [2] |
1/ | 027 | . | . | with working-spindle movable in a vertical direction [2] |
1/ | 04 | . | with a plurality of horizontal working-spindles |
1/ | 06 | . | with one vertical working-spindle |
1/ | 08 | . | with a plurality of vertical working-spindles |
1/ | 10 | . | with both horizontal and vertical working-spindles |
1/ | 12 | . | with spindle adjustable to different angles, e.g. either horizontally or vertically |
1/ | 14 | . | with rotary work-carrying table (work-tables for machine tools in general B 23 Q 1/00) |
1/ | 16 | . | specially designed for control by copying devices |
1/ | 18 | . | . | for milling while revolving the work |
1/ | 20 | . | Portable devices or machines (details or components, e.g. casings, bodies, of portable power-driven tools not particularly related to the operation performed B 25 F 5/00); Hand-driven devices or machines [4] |
3/ | 00 | Milling particular work; Special milling operations; Machines therefor (milling gear teeth B 23 F; milling of threads B 23 G 1/32) |
3/ | 02 | . | Milling surfaces of revolution (B 23 C 3/06, B 23 C 3/08 take precedence) |
3/ | 04 | . | . | while revolving the work |
3/ | 05 | . | . | Finishing valves or valve seats [2] |
3/ | 06 | . | Milling crankshafts |
3/ | 08 | . | Milling cams, camshafts, or the like |
3/ | 10 | . | Relieving by milling (lathes or turning devices for relieving B 23 B 5/42) |
3/ | 12 | . | Trimming or finishing edges, e.g. deburring welded corners |
3/ | 13 | . | Surface milling of plates, sheets or strips [2] |
3/ | 14 | . | Scrubbing or peeling ingots or similar workpieces |
3/ | 16 | . | Working surfaces curved in two directions |
3/ | 18 | . | . | for shaping screw-propellers, turbine blades, or impellers |
3/ | 20 | . | . | for shaping dies |
3/ | 22 | . | Forming overlapped joints, e.g. of the ends of piston-rings |
3/ | 24 | . | Making square or polygonal ends on workpieces, e.g. key studs on tools |
3/ | 26 | . | Making square or polygonal holes in workpieces, e.g. key holes in tools |
3/ | 28 | . | Grooving workpieces |
3/ | 30 | . | . | Milling straight grooves, e.g. keyways |
3/ | 32 | . | . | Milling helical grooves, e.g. in making twist-drills |
3/ | 34 | . | . | Milling grooves of other forms, e.g. circumferential |
3/ | 35 | . | . | Milling grooves in keys |
3/ | 36 | . | Milling milling-cutters (B 23 C 3/28 takes precedence) |
5/ | 00 | Milling-cutters (for cutting gear teeth B 23 F 21/12) |
5/ | 02 | . | characterised by the shape of the cutter |
5/ | 04 | . | . | Plain cutters, i.e. having essentially a cylindrical or tapered cutting surface of substantial length (B 23 C 5/10 takes precedence) |
5/ | 06 | . | . | Face-milling cutters, i.e. having only or primarily a substantially flat cutting surface |
5/ | 08 | . | . | Disc-type cutters |
5/ | 10 | . | . | Shank-type cutters, i.e. with an integral shaft |
5/ | 12 | . | . | Cutters specially designed for producing particular profiles (B 23 C 5/10 takes precedence) |
5/ | 14 | . | . | . | essentially comprising curves |
5/ | 16 | . | characterised by physical features other than shape |
5/ | 18 | . | . | with permanently-fixed cutter-bits or teeth |
5/ | 20 | . | . | with removable cutter-bits or teeth |
5/ | 22 | . | . | . | Securing arrangements for bits or teeth |
5/ | 24 | . | . | . | . | adjustable |
5/ | 26 | . | Securing milling-cutters to the driving spindle |
5/ | 28 | . | Features relating to lubricating or cooling |
7/ | 00 | Milling devices able to be attached to a machine tool, whether or not replacing an operative portion of the machine tool |
7/ | 02 | . | to lathes |
7/ | 04 | . | to planing or slotting machines |
9/ | 00 | Details or accessories so far as specially adapted to milling machines or cutters (drives, control devices, or accessories, in general B 23 Q) |