What is called a precision injection molding
Precision Injection Molding is a kind of plastic injection molding method which requires precision mold and requires precision machines. The content of this blog includes concept, characteristics, influential factors, selection of plastic material, precision molds, selection, and characteristics of precision plastic injection machines.
Keywords: precision injection molding, precision molding machine, precision molds, characteristic
The concept of precision injection molding
Precision injection is a kind of injection molding method which is difficult to meet the requirements of the injection molding machine. And the conventional injection molding process. The concept of precision injection molding is mainly different from “conventional injection molding”. It is based on the rapid development of polymer materials. And uses precise plastic parts to replace high-precision metal parts in the instrument and electronics field.
At present, there are two definition targets for precision injection products:
The first is the repetition precision of the product size, and the two are the repeatable precision of the product quality.
In this paper, the precision injection molding is mainly described from the repetition precision of the product size. However, because of the different properties and processing technology of various materials, the precision of the plastic parts can not be equated with the precision of the metal parts. The mold of molded products is an important condition to decide whether the product can meet the design requirements. And the precision injection.
Precision injection moulding, strictly speaking, refers to injection moulding machine equipment to produce the dimension precision of plastic products. It can achieve below 0.01 mm, usually between 0.01 ~ 0.001 mm a way of injection moulding production. The “Precision injection molding” this concept, main is different from conventional injection molding. With the rapid development of polymer materials and microelectronics technology. Highly integrated electronic circuits, make industrial equipment parts gradually for the development of high-performance, high precision, lightweight, miniaturization, and miniaturization.
These precision plastic parts for compliance with the requirement of high precision. And at the same time have good machinery, mechanical properties, and dimensional stability, etc. In machinery, electronics, instrumentation, communications, automotive and aerospace instrumentation, and other industries fields. Replaced the part precision metal parts and has been widely applied. By the definition of precision injection mold, precision plastic pieces of the size of the tolerance range are very narrow. In fact, the plastic molding industry-recognized, when the size of the plastic parts of tolerance is under 0.1 mm, or size of plus or minus tolerance is under 0.1 mm parts, precision molding can be called the size tolerance of parts reach micron grade, may call it super precision injection molding.
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