Stainless Steel Drilling With What Cutting Fluid

Stainless steel drilling processing matters needing attention:

(1) Tool material selection

Due to the processing of stainless steel parts will need high cutting force and cutting temperature, but the general tool materials are unable to meet, so often choose CBN blade, blade hardness can reach 7000 ~ 8000HV, can be said to be second only to the hardness of diamond, but CBN heat resistance is much higher than diamond, wear resistance is very high, In this way, it can withstand the high temperature generated by stainless steel drilling. In addition, the chemical reaction of CBN blade is very stable, even at high temperature will not interact with other iron arrowheds, is the preferred tool material for stainless steel processing.

(2) Tool geometric parameters

The tool geometric parameters play an important role in its cutting performance. In order to make the cutting light and smooth, the carbide tool should use a larger rake Angle to improve the tool life. In general rough machining, the front Angle is 10° ~ 20°, and the semi-finishing Angle is 15° ~ 20°; When finishing, take 20° ~ 30°. The selection of the main deflection Angle is based on 30° ~ 45° when the process system is good rigidity; If the rigidity of the process system is poor, take 60 ~ 75°, when the ratio of the length and diameter of the workpiece is more than 10 times, take 90°.

(3) Pay attention to the grinding of the chip breaker

Because the stainless steel chip has the characteristics of toughness, the chip breaking groove on the front of the tool should be suitable for grinding, so as to make the process of chip interruption, chip tolerance, chip discharge convenient.

(4) Select the appropriate cutting oil

Because stainless steel has the characteristics of easy to produce bond and poor heat dissipation, so in the boring selection of anti bond and good heat dissipation cutting oil is very important, good performance of cutting oil can not only greatly improve efficiency, but also can effectively protect the tool, prolong the service life of equipment.

In the stainless steel drilling cutting fluid, for example, its by sulfide lard, vulcanization fatty acid ester, chlorinated paraffin, epoxidized soybean oil as the main extreme pressure lubricant, blends with different proportions of anti-rust agent, surface active agent, antioxidant, etc made from, for the deep hole drilling machine (CNC) developed by a metal processing with fluid, good rust prevention, lubrication, cooling and cleaning functions.

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