Plastic mold box steel mold problems and precautions

Plastic mold box steel mold problems and precautions

Plastic mold box steel mold optimization line cutting process plan, select a reasonable process parameters

1: Improve the cutting method The traditional habit of changing the cutting position once is coarse and fine secondary cutting, so that the deformation amount after the second rough cutting is corrected in time when the fine cutting is performed. The cutting amount of the general fine cutting should be based on the size of the deformation after sub-cutting, generally about 0.5 mm . This approach is often applied to parts with complex shapes that are bound to produce deformations, which require higher precision and smaller clearances.

2 : The habit of changing the pressure at two points is a single point pressurization, so that the deformation during the cutting process can be freely extended to prevent the interference of the two point clamping pressure on the deformation, but it should be noted that the reasonable position of the single point clamping pressure is usually at the end of the program At the same time, the resulting deformation will only affect the waste part and avoid the impact on the molded part.

3 : For easy-to-deform cutting parts, the starting point of the cutting, the program direction and the position of the clamping pressure shall be arranged in an integrated manner according to the part shape characteristics to reduce the deformation amount. Generally, the starting point of the wire cutting should be set at a place that is relatively flat, has been finished or has little effect on the performance of the workpiece.

Plastic mold box steel mold selection of reasonable process parameters

1 : The high peak and narrow pulse electrical parameters are adopted to make the workpiece material be ejected in the gas phase. The gas temperature is much higher than the melting temperature to take away most of the heat and prevent the workpiece surface from being overheated and deformed.

2 : Effectively perform pulse-by-pulse detection, control the length of the concentrated discharge pulse train, and also solve local overheating problems and eliminate cracks.

3 : The impact of the pulse ability on the crack is extremely obvious. The larger the energy, the wider and deeper the crack is. For example, using precision machining specifications, surface roughness values.

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