Points for Correct Using Cemented Carbide Drill BitsⅠ
- Details
- Category: Tungsten Information
- Published on Monday, 21 September 2015 17:10
Cemented carbide is widely used for solid carbide cutting tools, such as drill bits. Correctly use cemented carbide drill bits, to turn material resources to good account, is a mechanical processing practitioner’s responsibility. It mainly includes the following aspects:
1. Choose the right machine tool
Cemented carbide drill bits can be correctly used in those machine tools with high power and good rigidity, such as CNC machine tool and machining center. Radial drill and universal milling machine should not be chosen due to the low power and poor precision of the spindle, which will easily lead to early collapse of the cemented carbide drill bits.
2. Choose the right tool holder of cemented carbide drill bits
If you want to correctly use cemented carbide drill bits, collet chuck, side handle and hydraulic chuck can all be used as tool holder. For quickly change chuck, because the clamping force of it is not enough, you should rather not choose it.
3. Proper cooling process of cemented carbide drill bits
3.1 For external cooling, you should pay attention to the directional combination of cooling, and into the upper and lower echelon configuration. Then the carbide drill bits can work correctly.
3.2 For the inner cooling, you should pay attention to the pressure and flow rate, and you should avoid the leakage of the cooling liquid.
(This article is divided into 2 parts, and here is Part 1.For part 2, please refer to:http://news.chinatungsten.com/en/tungsten-information/78808-ti-10037）
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