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Plastic Injection Molding Speed Requirements

The processing speed in process index is very important in plastic injection molding. Because it is not only related to the processing cycle of plastic injection molded parts, but also determines the economic cost of processing. EDM processing speed refers to that under certain pulse parameters, the workpiece is etched away a certain mass and volume in the same unit time, which can be expressed by volume processing speed or mass processing speed.
On the same surface roughness of mold steel, the maximum processing speed of the electric pulse at the time of electrode loss is an important indicator to measure the electrical pulse processing and machine tool performance. In general, the plastic injection molding manufacturer gives the maximum machining current and the highest machining speed that can be achieved under optimal machining conditions. Therefore, in our actual machining, due to the ever-changing size and shape of the workpiece, the machining conditions and the chip removal conditions are different from the ideal state. Even in the roughing of the machining center, the machining speed is often much lower than the maximum machining speed index of the machine tool.
Injection mold
Every time do pulse discharges during injection molding, it will leave a tiny dent on the workpiece surface. The size of dent and the amount of material to be etched are approximately proportional to the pulse energy, that is, the larger the pulse energy, the more the heat transferred to the workpiece and the more the etched materials. In theory, the forming speed of EDM is proportional to the single pulse energy and discharge frequency. But in actual processing, the effect of a single pulse is not a separate manifestation, but the result of multiple pulses acting together. The pulse power continuously transfer energy to machining gap in a pulse state, which is much more complicated. The processing speed is a multivariate function related to pulse discharge time, pulse interval, pulse discharge current, pulse waveform, processing object performance, electrode material, chip removal condition, etc. Processing speed is very important in injection molding. Because this is a prerequisite for the production of plastic products. Processing time and speed are the most important if the customer asks for injection molding company provide a sample with good quality in advance.

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