Thin kind of precision machinery parts processing the clamping method improvement as a precision machinery parts processing enterprise with a history of 16 years, according to customers drawings for processing, perfectness of finished product to the customer, the precision parts
of shapes, square, round, irregular, long and thin axle and so on.
Which kind of precision slender shaft parts prone to bending deformation during machining.
Turning the cause of bending deformation of slender shaft are: cutting force, cutting parameter, cutting tool Angle as well as the impact of heat cutting.
Slender shaft precision machinery parts processing fashion clip way there are two main types: one way a clip on the top of the way, namely one end of the slender shaft with chuck clamping, the other end with a lathe tailstock top bearing;
Another way is to both ends of slender shaft is supported by the top.
In the process of long and thin axis precision machining, in order to improve the machining accuracy, according to the different production conditions, adopt different ways to improve the machining accuracy of slender shaft.
Directly reduce the slender shaft stress deformation in the process of precision machinery parts processing, reasonably control the cutting dosage, choose reasonable tool Angle.
In turning the traditional way of slender shaft, with double top clamping, the workpiece positioning accuracy, easy to guarantee the alignment, but with this method the clamping slender shaft, which has less rigidity, bending deformation of slender shaft is larger, and prone to vibration, only suitable for the installation of length to diameter ratio is not big, small machining allowance, coaxial degree requires high precision parts processing.
Based on the above factors, we could improve the clamping way.
Precision machining slender shaft is usually adopt a clip on the top of the clamping way, if the top cap too tight, besides may top slender shaft bending, still can prevent turning when the elongation of slender shaft is heated, causing slender shaft under axial compression and bending deformation.
Other jaw clamping surface may not concentric with the top holes, the clamping will produce a positioning, can also lead to a slender shaft bending deformation occurring during precision machinery parts processing, and therefore using a clamp clamping way, top with elastic live center, after making the slender shaft is heated free elongation, reduce its thermal bending deformation;
At the same time in the jaw and axial contact length of slender shaft, eliminate installation location, reduce the bending deformation.
The above information is derived from the shenzhen precision machining manufacturer Xavier company.
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