The process indicator of processing speed is very important in the injection molding process of molds, as it is not only related to the processing cycle of the product, but also determines the processing cost of the product.

The speed of electrical discharge machining refers to the mass and volume of the workpiece eroded within a certain pulse parameter and the same unit time, which can be represented by mass machining speed and volume machining speed, respectively.

On mold steel with the same surface roughness, the high machining speed generated by the relative electric pulse during electrode loss is an important indicator for measuring the performance of electric pulse machining and machine tool technology. In general, manufacturers will provide high processing currents to ensure that the mold can achieve high processing speeds in optimal processing conditions. However, in the actual machining process, the machining conditions and chip removal conditions may differ from the ideal state, and the size and shape of the workpiece will continue to change, so the machining speed is often lower than the maximum machining speed index of the machine tool.

During each injection molding process, pulse discharge will leave a small pit on the surface of the workpiece. The size of the pit and the amount of material eroded are proportional to the pulse energy, which means that the larger the pulse energy, the more heat is transferred to the workpiece, and the more material is eroded. In theory, the speed of electrical discharge machining is directly proportional to the energy of a single pulse and the discharge frequency. However, in practical machining, the function of a single pulse is not reflected separately, but rather the result of multiple pulses. Due to the continuous nature of pulse power supply, the process of transferring energy to the machining gap through pulse state is very complex. Therefore, the machining speed is a multivariate function related to pulse discharge time, pulse interval, pulse discharge current, pulse waveform, machining object performance, electrode material, and chip removal conditions.

Now we all know the importance of processing speed in injection molding, and the editor has brought you other content. Keep reading!

Customers often ask the editor whether it is necessary to spray paint on the surface of plastic products, which actually depends on the specific usage situation of the customer. Below, the editor will talk about the benefits of spraying paint on the surface of plastic products.

1. Spraying paint on the surface of plastic products can ensure their brightness, as plastic products are difficult to reflect light and appear darker. If the surface of plastic products has texture, it will appear even dimmer. At this time, the customer will spray a layer of paint on the surface of the plastic product to pursue a beautiful surface and ensure the brightness of the product.

2. Spraying paint on the surface of plastic products can reduce their scrap rate. The scrap rate of white plastic products has always been a headache in the injection molding industry. If the surface is painted, it can to some extent conceal the shortcomings of the product.

Therefore, spraying paint on the surface of plastic products with requirements is very useful, but we need to know that painting will increase the cost of injection molding.