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About the selection principle of cutting fluid


According to the workpiece material selection

Cast iron and bronze are generally not used for cutting. Use kerosene for finishing.

Kerosene when cutting aluminum

When cutting non-ferrous metals, it is not advisable to use a sulfur-containing cutting fluid.

Mineral oil is used when cutting magnesium alloys.

When cutting general steel, use an emulsion.

Extreme pressure cutting fluids should be used when cutting difficult materials.

 

 

According to process requirements and cutting characteristics

When roughing, choose a cutting fluid with good cooling effect.

When finishing, you should choose a cutting fluid with good lubrication effect.

When processing the hole, a large concentration emulsion or extreme pressure cutting fluid should be used.

For deep hole processing, a cutting fluid containing a lower concentration of extreme pressure additives should be used.

When grinding, the cutting fluid should be cleaned.

When cutting with carbide, ceramic and PCD, PCBN tools, cutting fluid is generally not required. When it is used, it must be supplied from beginning to end. When cutting PCBN tools, water cutting fluids cannot be used. When CBN is at a high temperature of 1000 ° C or higher, it will be chemically reacted with water and consumed.

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