Tungsten Carbide Titanize Cutting Tool Cutting Fluid Usage Problem

Details: Category: Tungsten Information; Published on Friday, 07 November 2014 16:49

Tungsten carbide cutting tool, in recent years, is widely applied in the machinery processing. But due to its high price, the operators often adopt cutting fluid in its machining in order to save tools and improve machining speed, which has caused a lot of problems to the machine tool maintenance.

Generally speaking, cutting fluid can help improve cutting speed, especially of high-speed steel cutting tools, with an average increased speed rate about 30％～40％. However, when it comes to tungsten carbide titanize cutting tools, whether to apply cutting fluid or not has to be considered carefully. The reasons are as follows:

I. Tungsten carbide titanize cutting tool can withstand high temperature up to 1 000℃, but the cutting fluid can only lower the tool temperature by 60～90℃, which is of almost no influence on the tool.

II. Tungsten carbide titanize cutting tool has high cutting speed and high cutting temperature as well, under which, cutting fluid oil film will be damaged and achieve a poor lubrication.

III. Then cleaning effect of cutting fluid is still of some help to tools, but the dirt washed away will do harm to sliding boxes and tool carriers, which has poor leakproofness, and thus lowers the machine tool precision.

IV. Many operators tend to add water to it during machining, which causes that cutting fluid not only has no rust prevention ability, but also lead to rust forming on workpiece and machine tools.

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