Stainless Steel Parts How To Process Holes?

Is stainless steel difficult to work? Well, no.

Stainless steel, hard, processing will generate a lot of heat, extremely damage the tool. Often gives a lot of people a headache. The right medicine makes everything easier.

Tungsten-cobalt alloy has good toughness, cutting light, chip is not easy to stick knife, especially suitable for rough machining and intermittent cutting of stainless steel turning vibration. We commonly used knife heads are W10, W20, YW2. The tool bar material is tempered and tempered 45 steel, which can enhance strength and rigidity.

Cutting tool Angle 15°~20° for stainless steel cutting heat treatment is the most appropriate. When roughing, use a smaller back Angle first; When finishing, because it is easy to harden during material processing, the rear Angle of about 6°~8° is the most suitable. Normally, the rear Angle should be larger than the processing of ordinary carbon steel. The edge Angle is usually 15°. As fine car outer circle, fine car hole, fine plane, when the knife quantity is relatively small, should be used to take 50° or so of the large blade Angle tool.

Cutting speed is not too fast, the linear speed of 60~80 m/ s as well as 5-6 mm, each knife feed can be determined according to the requirements of finish, in a dozen silk to half a mm/r is appropriate. Stainless steel should never be treated in the same way as ordinary carbon steel

Cooling lubricant can reduce the cutting heat and cutting force in the cutting process, not only prolong the service life of the tool, but also ensure the finish of the product. Emulsion can be used, but for products with high requirements for finish, stainless steel special cutting oil should be used.

Punch the hole with a working full drill, and add plenty of coolant. 316 or 303 tapping, with the work can be tapped, as 304 gb, you need to use Fuji brand, in addition to such as 301,202 and so on, must use yamava.

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