Insert molding
Insert molding involves molding plastic around a core or “insert”. Most often, the insert is a metal object, such as a pin, blade, threaded rod, electrical contact, wire, and others.
Insert molding parts
Below are examples of insert molded parts. The serts could be metal like brass ect.
How insert molding works?
1. A custom-built mold is loaded with inserts. Inserts may be loaded robotically or manually.
2. Molten plastic is injected into the mold.
3. Upon cooling, the mold opens and the components are removed.
4. Components are separated from the sprues and inspected.
Notes: insert molding can be processed via both horizontal and vertical clamp molding machines
Pros and cons for insert molding
Pros:
Cons:
Alternative solutions for insert molding
Instead of threads inserts, you can tape the threads with screws naturally.