What is called a precision injection molding?

Precision injection molding, strictly speaking, refers to by injection molding machine equipment to produce the dimension precision of plastic products, can achieve below 0.01 mm, usually between 0.01 ~ 0.001 mm a way of injection molding production. "Precision injection molding" this concept, main is different from the conventional injection molding, with the rapid development of polymer materials and microelectronics technology, highly integrated electronic circuit, make industrial equipment parts gradually for the development of high-performance, high precision, lightweight, miniaturization and miniaturization. This 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 molding, precision plastic pieces of the size of the tolerance range is very narrow. And, 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.