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Dongguan Career Metal Product Co,Ltd
Add:Building A,Jin Xin Industrlal Park,Lian Feng Road, Dali Village,Qingxi Town 523648,Dongguan,China

English contact:
Jack Xia
Mobile:86 13580978253

Reasonable selection of thin-walled parts turning cutting parameters

When turning the deformation of thin-walled parts are manifold. Clamping force clamping the workpiece, the cutting force when cutting the workpiece, the elastic deformation and plastic deformation of the workpiece hinder cutting tool when the cutting area and thermal deformation temperature.

Size of the cutting force is closely related to cutting parameters. From "Metal Cutting Principles" in the know: cutting depth ap, feed rate f, cutting speed V is the three elements of cutting parameters. Found in the test:

1) cutting depth and feed rate while increasing the cutting force increases, the deformation is large, thin-walled parts for turning extremely unfavorable.

2) reduce the amount of back-eating knives, increasing the feed rate, cutting force, although the decline, but the residual surface area increases, the surface roughness value is large, the strength of the poor increased internal stress of thin-walled parts, also cause deformation of parts.

So, roughing, cutting depth and feed rate can take bigger; finishing, cutting depth is generally 0.2-0.5 mm, feed rate is generally 0.1-0.2 mm / r, even smaller, cutting speed 6-120 m / min, refined car with cutting speed as high as possible, but not easy too. Rational use of three elements can reduce cutting forces, thereby reducing distortion.

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