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Design of broach prambody Option slots 26
Uploaded: 22.10.2019
Content: 26.7z 110,92 kB
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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
Source data.
1. Stretched workpiece: material-steel 20; hardness when stretching HB≤229, state - after annealing; hole for stretching prepared drill; hole diameter before stretching (mm) do=24H11 (+0.13); inner diameter of slots d =25H7 (+0.021); outer diameter of slots D=27, 8H12(+0.21); width of slot cavities b=4,5D9 (+0.06/+0.03); number of slots z=10; chamfer size 0, 3x45⁰, surface roughness parameters Ra≤6.3 microns on b Ra≤6.3 microns on D, stretching length l=15mm.
2. Machine: horizontal broaching, model 7A510; pulling force of the machine Q = 100 kN; maximum stroke length of the rod Lmax = 1600 mm; operating speed range 1.6-11.5 m / min; machine condition-satisfactory; broaching is fixed in a quick-change Chuck.
3. Character production-mass.
4. The length of the broach, permissible for the tool shop and correspondence Department, not more than 1500 mm.
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