Threaded Inserts For Plastic Injection Molding
Below you will find information on tri star s threaded inserts for plastics.
Threaded inserts for plastic injection molding. A common application for insert molding is the use of a female threaded insert to create a rigid thread in a plastic part. Injection mold plastic parts with inner partial thread catia v5. Our mb series threaded insert is designed to be molded into the plastic component during the molding cycle. This has created a few challenges for plastic part designers.
Injection mold plastic parts with inner partial thread catia v5. The part has a closed bottom blind thread to. Standard threaded inserts for plastics range from about 1 8 9 16 in diameter to 1 8 5 8 in length with thread sizes ranging from 0 80 to 3 8 16 m2 to m10 depending on type. Typically the insert is placed on a core pin in the mold during the molding cycle.
However like many other injection molding processes the application possibilities are seemingly endless. Available in varying lengths for injection molding assemblies. This size range accommodates a wide array of applications in industries including electronics automotive aerospace defense medical industrial and. The minor thread diameter tolerance is controlled to ensure positive positioning and perpendicularity of the insert on the core pin during the molding process.
The insert is designed with aggressive knurling and undercuts to resist rotational and tensile pull loads. Inserts can be just about anything from alloy threads to electrical contacts. Screw threads were originally designed for metal parts and were standardized long before plastic injection molding became mainstream. Ultrasonic threaded inserts for plastics press in threaded inserts for plastics the insert is installed into the thermoset material during the injection molding process.
We offer a full line of brass inserts for plastics including options for all methods of installation including. Thru threaded knurled spacers types stka aluminum inserts stkb brass inserts and stkc stainless steel inserts include a uniform knurl diameter which reduces the risk of sink marks. Ultrasonic heat thermal press in and mold in.