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»
Source data:
1. Stretched workpiece: material-cast iron KCH hardness when stretching HB=163, the workpiece-after tempering, the hole for stretching is treated with a drill; hole diameter before stretching (mm) - d0=43, 4H12 mm; hole diameter after stretching D=45H7 mm; surface roughness parameter Ra=0.8; length of stretching-Lg=50 mm.
2. Machine: model 7B520; pulling force of the machine FROM= 200 kN; the maximum stroke of the carriage of the broaching machine Nst= 1600 mm; broaching is fixed in an automatic replaceable cartridge.
3. The nature of the production details-small-scale.
4. The length of the broach, permissible for the tool shop and correspondence Department, not more than 1500 mm.
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