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Design of round broaches Option 9
Uploaded: 21.10.2019
Content: 9.7z 897,46 kB
AGNI.KAY
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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.
Option 9
1.Stretched workpiece: material steel 50G2; Brinell hardness 240 NV; state after annealing; hole for stretching treated with a drill; hole diameter before stretching do=35,4 + 0,25 (H12) mm; hole diameter after processing d=38 + 0,027; surface roughness parameter Ra 1,6: the maximum length of stretching Lg=30 -0,52 mm.
2.Horizontal broaching machine, model 7B520; pulling force of the machine Q=200 kN; maximum stroke length L max=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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