Design of square broaches Option 35
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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»
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:
• The maximum length of the broach, permissible for tool production up to 1500mm.
* Production of parts-large-scale,
* Tool production-small-scale
• The hole for stretching is prepared by a drill,
• Part type 1,
* Fixture flange thickness 30 mm,
* The largest outer diameter of the spline hole Dmin = 36 mm,
* Outer diameter tolerance + σD =0.045
* Smallest internal diameter of spline hole dmin = 34.5 mm,
* Tolerance value for the inner diameter of the spline hole dmin = 34.5 mm,
* Internal diameter tolerance + σd =0.170,
* Smallest slot width bmin = 5.6 mm,
* Tolerance for slot width + σb =0.070,
• Roughness:
- outer diameter DH = 3.2 microns,
- internal diameter dH =3.2 microns
- lateral surfaces bH =6.3 microns.
• Number of slots 10,
• The nature of the root face R=0.3 mm,
* Material hardness 207 NV,
* LD = 55mm,
* The smallest diameter of the hole for stretching d0 =33.7 mm,
* Pulling force of the broaching machine QT = 100kn,
• Maximum stroke of the broaching machine
• The maximum length of the broach, permissible for tool production up to 1500mm.
* Production of parts-large-scale,
* Tool production-small-scale
• The hole for stretching is prepared by a drill,
• Part type 1,
* Fixture flange thickness 30 mm,
* The largest outer diameter of the spline hole Dmin = 36 mm,
* Outer diameter tolerance + σD =0.045
* Smallest internal diameter of spline hole dmin = 34.5 mm,
* Tolerance value for the inner diameter of the spline hole dmin = 34.5 mm,
* Internal diameter tolerance + σd =0.170,
* Smallest slot width bmin = 5.6 mm,
* Tolerance for slot width + σb =0.070,
• Roughness:
- outer diameter DH = 3.2 microns,
- internal diameter dH =3.2 microns
- lateral surfaces bH =6.3 microns.
• Number of slots 10,
• The nature of the root face R=0.3 mm,
* Material hardness 207 NV,
* LD = 55mm,
* The smallest diameter of the hole for stretching d0 =33.7 mm,
* Pulling force of the broaching machine QT = 100kn,
• Maximum stroke of the broaching machine