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Causes and solutions of common problems in deep hole drilling with chip removal


Problem 1. Internal chip removal, deep hole drilling, rough surface.

Causes:
1. Cutting bonding
2. The degree of coaxality is not good.
3, cutting speed is too low, feed rate is too large or uneven.
4. Tool geometry is not appropriate.
Resolvent:
1, reduce cutting speed, avoid collapse, replace high pressure cutting fluid, improve filtration condition, and increase cutting fluid pressure and flow rate.
2. Adjust the coaxality of machine tool spindle and drill bushing and adopt the proper diameter of drill bushing.
3, adopt appropriate cutting parameters.


Problem two, internal chip removal deep hole drill bit breaking
Causes:
1, chip breaking is not good, chip can not be discharged.
2, excessive feed, too small or uneven.
3. Excessive wear of drill bits
4, cutting fluid is not suitable.
Resolvent:
1, change the size of chip breaker, avoid too long, too shallow, timely find the situation of blade collapse and replace it. Increase the pressure and flow rate of the cutting fluid and use the evenly distributed workpiece.
2. Adopt suitable cutting parameters.
3, replace drill bit regularly to avoid wear.
4, adopt suitable cutting fluid and improve filtration.

 

Fixed word: 189-3829-0275 Fax: 0769-81090104
Dongguan Li Kun CNC Co., Ltd.
Miss Lin: 189-3829-0275
Mr. Luo: 136-6578-2166
No. 1, Chau Tun old road, Changping Town, Dongguan
Copyright 0. 2010-2018 Dongguan City Kun CNC Co., Ltd. all rights reserved.
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