Yuhuan Kaiyin Tools Factory
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Welcome to Yuhuan Kaiyin!

Yuhuan Kaiyin Tools Factory is located in Yuhuan, in the middle of gold coast of sou theast of zhejiang, which is in the between
of Ningbo and Wenzhou.
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Our factory specializes in producing national standard (GB-T3478-1995) German standard, American standard, and other non-standard products, including internal spline broaches......
  Product categories
 
Round broach
Keyseat broach series
Spline broach series
Rectangle spline
Triangular spline
Involute spline
Non-standard series
Process of Spline shaft grinding
 
  CONTACT
ADD:Auto&Motorcyle Industrial Park, Yuhuan, Zhejiang
TEL:0576-87210882
FAX:0576-87210882
Phone:13084672167
Http://www.kygj.com.cn
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Broaching common surface defects which
Release time:2011.08.11 News source:Yuhuan Kaiyin Tools Factory Broach Browsing number:
 
  In the broaching process, broaching the surface there are three common defects: scratch the surface roughness basically meet the requirements, but local scratch defects, should be mainly from the use of checks. For example, if bruised cutter blade gap; cutter (especially the fine grinding of teeth) on whether the chip is not attached to cleaned; broach sharpening after repeated flute shape is caused by non-smooth step-shaped, causing the chip to curl is not smooth and squeeze the bad. Cutter and the machined surface scratches, etc. In addition, pre-processing on the surface of the hole if oxide, may also be caused by partial cutter bumps scratch defects. Squeeze highlights is due to cutter flank and the machined surface produced a more severe squeeze between the friction caused. Used to choose the right posterior horn (especially the posterior horn of coarse grinding of teeth should not be too small) and the tooth-liter volume; use cutting fluid with good performance, and the need to pour sufficient, and to take on the hardness of the workpiece to the appropriate heat treatment to reduce their hardness and other methods to eliminate such defects. After broaching the surface will have some other defect. The main reason is the corrugated ring broaching process of cutting force variation large broach is not working smoothly in the circumferential direction of the cutter due to uneven cutting. To eliminate this defect, from the design of the main check-liter volume of the selected gear is reasonable; simultaneously teeth too small; blade width is uniform and small, etc., with particular emphasis on checking the calibration of the former Ministry of seventy-eight cutter precision. From the use side, broaching speed is not too high; broaching the better precision and rigidity, vibration does not produce the phenomenon; pull the knife is curved and radial ultra poor.
 
 
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