Different positioning methods for lathe fixtures


The lathe jig refers to the jig which uses in the lathe to process the workpiece inside and outside the revolving surface and the end surface. Most of the lathe fixtures are mounted on the spindle; a few are mounted on the bed, saddle, or bed.http://www.sufoorworkholding.com
Lathe fixture is divided into according to the positioning of the workpiece in different ways: Centering (mandrel), chuck, chuck type and angle type and disk type etc..
1. centering type lathe clamp: in the centering type lathe clamp, the workpiece is often positioned by hole or excircle, and the clamp adopts centering clamping mechanism.
2. angle type lathe fixture: rotary surface processing on the lathe casing, bearings, levers, joints and other parts of the parts, the shape is more complex, difficult to clamp in the universal chuck, and need special fixture design. Is this fixture clamp specific angle, it is called angle type lathe fixture.
3. disc type lathe fixture fixture: the fixture above said faceplate is provided with a plurality of T groove installation positioning device, clamping and indexing components and other auxiliary components, processing complex shape outer and inner hole of the workpiece. This kind of fixture is asymmetrical and should pay attention to balance.