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:
option No. 27
1. Stretched workpiece: material-steel 35 hardness when stretching HB=207, the workpiece-after tempering, the hole for stretching is treated with a drill; the diameter of the hole before stretching (mm) - d0 = 24, 3H12 mm; the diameter of the hole after stretching DH=25 (+0,130) mm; Dnaib.=28 (+0,033)mm; surface roughness parameter DH=1,6 microns; DH=1,6 microns; HH=6,3 microns; stretching length-Lg=80 mm; number of broach slots 10
2. Machine: model 7A510; the pulling force of the machine FT=200 kN; the maximum stroke of the carriage 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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