Design of round broaches Option 7

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Uploaded: 21.10.2019
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Product description


GRECHISHNIKOV V. A., CHEMBARISOV N. And.,
SKHIRTLADZE A. G., STUPKO V. B., HISAMUTDINOV R. M., Matveev V. N., sukhinina L. A., LARIONOV D. N.
THE DESIGN OF CUTTING TOOL
Tutorial to perform
course project on discipline
«Cutting tool»

Additional information

2.1. Source data:
1. Stretched workpiece: material-steel 30 hardness when stretching HB=179, the hole for stretching is treated with a drill; hole diameter before stretching (mm) - d0=34, 4H12 mm; hole diameter after stretching D=36H7 mm; surface roughness parameter Ra=0,8.
2. Machine: model 7B520; pulling force of the machine QT= 200 kN; the maximum stroke of the carriage broaching machine LST= 1600 mm; range of operating speeds of 1.6-11.5 m / min; the condition of the machine is satisfactory; broaching is fixed in an automatic replaceable cartridge.
3. Character production-mass.
4. The length of the broach, permissible for the tool shop and correspondence Department, not more than 1500 mm.
Production of the tool-small-scale.

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