Internal / Outside Injection Molding internal Threads NPT Thread Standard

Internal / Outside Injection Molding internal Threads NPT Thread Standard

Place of Origin : China MOQ : 1set Price : negotiation Payment Terms : T/T Supply Ability : 50sets per month Delivery Time : 35 days T1 Packaging Details : Mold : packed by wood carton , Plastic parts : box Product Name : Plastic injection mold Type : unscrewing with hydraulic cylinder Cavity : 1*1 Core/Cavity material : 1.2343/1.2311/SKD61,S136,P20,H13,738H ... Surface finishing : VDI3400 27 Runner system : Hot runner Standard : HASCO Raw material : PA6 GF35

Product Details

Smartmoldtech-Mould , locating in Shenzhen Guangdong China, is a professional plastic injection mould manufacturer with years experience in this field. We can provide high precision complex hardened moulds, prototype and soft moulds.

We equipped high speed CNCs, Wire cuts in house. We use software (i.e. UG, Pro-E, IGS, Master Cam, AutoCAD, and Solidwork ) for mould design and MoldFlow analysis for our customers before mould manufacturing. Standard components we use to build the mould are purchased from DME, HASCO etc. Also, COC for all steel we purchase will be provided.

Component parts that are critical in the manufacturing of products for a wide arrage of industries and applications including:


  • Medical

  • Electronics

  • Automotiv

  • Industrial

  • Consumer

  • Telecommunications

  • Environmental

  • Computers

  • Point-of Purchase

  • Military

  • Construction

  • Security

Male threads are less complicated to produce than female threads. Male threads are cast as an open and shut

except in some instances where the rest of the part design dictates where the parting line will be located. If male threads need to be cast in the vertical position, the use of cam action or hydraulic action slides is required because of the undercut that is produced from the thread.


On the contrary, casting female threads always present an undercut situation. These type of threads need to be unscrewed in order to have the part removed from the injection mold. There are different ways to achieve this. The most common way used is by hydraulic or electrical motors that automatically unscrew the threaded core from the molded part. The hydraulic motor is the least expensive option. Threaded cores have wurm gears attached which mate with the main drive gear. There is a chain that connects the mold drive gear to the gear on the drive motor shaft. There are a few different options of unscrewing the cores which are sometimes dictated by the part design. The most common application is after the


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