Проектирование протяжки прямобочных шлицев Вариант 33

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. Stretched workpiece: material – steel 40X material hardness HB=217, the nature of the walls TL - thick - walled, hole for stretching prepared drill; part type 1, flange thickness - 30 mm, the diameter of the hole to stretch (mm) - d0=29 mm; the smallest outer diameter of the slots D=34,8+0,2 mm; inner diameter of the slots d=30+0,027, the smallest width of blunting R=0.3 mm, surface roughness parameter d=√RA6, 3; d=√RA6 , 3; b = √RA3,2; stretching length-LG = 55 mm.
2. Machine: model 7A510; the pulling force of the machine at= 100kn; the maximum stroke of the carriage broaching machine Nst= 1600 mm;
3. Character of production of a detail-large-scale.
4. The length of the broach, permissible for the tool shop and correspondence Department, is not more than 1500 mm. the production of the tool is small-scale.