Custom cnc machining aluminium parts

Writer： admin Time：2020-12-25 17:14 Browse：℃

In the processing of custom cnc machining aluminium parts, there are many reasons for deformation and cracking, such as material problems, heat treatment problems, structural design problems, technological arrangements problems, clamping of workpiece during wire cutting and selection of cutting line, etc.The main factors causing deformation and cracks are related to the structure of parts. The specific reasons are as follows:
 
(1) Where the die and punch with narrow and long shape are prone to deformation, the size of the deformation is related to the complexity of the shape, length-width ratio, cavity and width ratio of the frame.The more complex the shape, the greater the length-width ratio and the ratio of cavity to frame width, the greater the mold deformation.The law of deformation is that the cavity is concave in the middle, and the punch is usually warped.


 
2) The quenching cavity with complex shape and clear Angle is easy to crack at the sharp Angle, and even prone to burst.The frequency of its occurrence is related to the composition and heat treatment process of the material.
 
(3)Cylindrical wall thicker parts, if the inner wall is cut, easy to produce deformation, generally by the round into an oval.If the cutting notch, it is easy to burst when cutting through.
(4) The deep groove cut into custom cnc machining aluminium parts is easy to produce deformation. The deformation law is the adduction of the mouth, and the size of the deformation is related to the depth of the groove and material properties.