Tungsten carbide drill bit selection, you first need to consider the size of the drilling accuracy. Generally, the smaller the aperture is processed, its tolerance is smaller. Accordingly, manufacturers typically drill hole to be machined according to the nominal diameter of the drill bit segments. In the above four types of tungsten carbide drills in solid carbide drill precision highest (φ10mm solid carbide drill tolerance range of 0 ~ 0.03mm), so it is the best choice for high-precision machining holes; welded carbide replaceable tungsten carbide drill or drill crown tolerance range is 0 ~ 0.07mm, more suitable for the general accuracy of the hole.
2014年2月18日星期二
Optional Tungsten Carbide Drill Considerations - Precision
Tungsten carbide drill bit selection, you first need to consider the size of the drilling accuracy. Generally, the smaller the aperture is processed, its tolerance is smaller. Accordingly, manufacturers typically drill hole to be machined according to the nominal diameter of the drill bit segments. In the above four types of tungsten carbide drills in solid carbide drill precision highest (φ10mm solid carbide drill tolerance range of 0 ~ 0.03mm), so it is the best choice for high-precision machining holes; welded carbide replaceable tungsten carbide drill or drill crown tolerance range is 0 ~ 0.07mm, more suitable for the general accuracy of the hole.
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