Jig design and several types of the workpiece positioning precision machinery parts processing, the first thing to do is to need the workpiece clamping, this step with the help of a jig is required to complete the operation, different artifacts, different machine tools they adopted by the jig is different, but the positioning principle is similar, follow the positioning principle at six.
Including several kinds of forms: the orientation of complete and incomplete, owe positioning and orientation.
Shenzhen precision machining
manufacturer Xavier company has 16 years of experience in processing, the following will take you to understand just several positioning concept and pay attention to matters.
Completely positioning: refers to all the six degrees of freedom of workpiece being limited by positioning elements in the jig and has completely determine the only place in the jig, called complete orientation.
Incomplete positioning: according to the requirements of the different processing precision parts
processing and surface roughness of different, can locate the number of points less than six.
Some degree of freedom has influence to the machining requirements, some degree of freedom has no influence to processing requirement, this situation is referred to as incomplete.
Incomplete positioning is allowed.
Owe positioning: in accordance with the requirements for processing should limit the freedom of not restricted location called owe orientation.
Owe positioning is not allowed, because owe positioning to ensure the requirement of precision machining.
Positioning: one or a few degrees of freedom of the workpiece are limited by different positioning element repeat positioning is called positioning, worked as a positioning result in artifacts or positioning element deformation, affect the machining accuracy, should be forbidden.
But when positioning does not affect the machining accuracy, but advantageous to improve the machining accuracy, can also be used.
All kinds of pliers machining and machining will be used.
At six o 'clock positioning principle for any shape precision parts processing positioning is appropriate, if violates the principle of workpiece in the fixture position can't completely sure, but on the principle of workpiece positioning at six to locate, must be flexible according to the specific processing requirements apply, the shape is different, different positioning surface, anchor point arrangement will each are not identical, purpose is to use a simple way to locate, quickly get the right position in the workpiece in the fixture.
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