How To Letter On Plastic Mold Surface

- Oct 25, 2018-

We often see patterns and numbers on plastic parts that vary. How to engrave these numbers and patterns on these molds, there are mainly these common methods.

The first one is directly engraved on the mold by an engraving machine. This is usually used when the font or pattern is large. Usually this type of font usually has a knife on the surface and needs to be polished.

Laser engraving is the most common in small to medium sized molds. The laser leaves a mark on the mold. Usually this method is also called etching. The advantage of this method is that the speed is relatively fast, and it can be done right away, but the shortcomings are also obvious, and the traces left behind are relatively shallow.

The last one is to perform electrical discharge machining after the electrode is engraved. First, take an electrode in the place where the font is to be processed, and then engrave the electrode. After processing, the electric pulse is taken to discharge the machining. After the completion, the font will be left on the surface of the mold.

These three methods are our common methods of leaving fonts on the mold.

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