Negotiable
The date of payment from buyers deliver within days
Beijing
Long-term effective
2021-08-16 01:58
187
Company Profile
Dalian Xinlei Diamondtool Manufacture Co., LtdBy certification [File Integrity]
Contact:dlxinlei(Mr.)
Email:
Telephone:
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Area:Beijing
Address:Beijing
Website:http://www.xl-gundrill.com/ http://dlxinlei.auto-charge.net/
Gun drill for crankshaft deep inclined oil hole L machining is one of the difficult points in crankshaft machining. In addition to the characteristics of deep hole machining, it is also because of the spatial multi-angle distribution between the holes and the different section sizes, shapes and stiffnesses. Techniques such as positioning, clamping, drilling and cooling have brought great difficulties.
Domestic automobile manufacturers mostly use the following two traditional processing methods to process the deep inclined oil hole of the crankshaft:
1) Through (special) machine + twist drill tool, graded feed processing, water cooling tool;
2) Special machine + gun drill, with guide sleeve Guided, high-pressure water (oil) lubrication and cooling tool
Gun drill for crankshaft is an efficient semi-precision hole processing technology. The hole diameter accuracy can generally reach IT7~IT9, and the surface roughness is about Ra 1.6. For cast iron and medium carbon non-quenched and tempered steel materials, the drilling feed rate of ordinary gun drills Up to 150mm/min.
http://www.xl-gundrill.com/
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