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. The routed workpiece: material: Steel 45

* Material hardness HB 187
* The hole for stretching is processed with a drill d0=25,4 mm
•
• The parameter of surface roughness Ra 3,2
* Stretch length = 45mm
2. Machine: horizontal broaching, model 7A510
* * Machine pulling force From=100 kg;
• Maximum stroke of the broaching machine carriage Lmax = 1250mm
• The thickness of the flange fixture – 25mm
* Cartridge type B (quick-change)
* * Operating speed range 1.5-25 m / min

• The state of the machine is satisfactory
* The broach is fixed in the automatic replaceable cartridge.
Cartridge type: quick-release
3. Character production-mass.
4. The length of the broach, permissible for the tool shop and grinding Department, is not more than 1500mm.