Insert Molding, Plastic Injection Molding

insert molding samplesWJ Die Mold offers Insert Molding Services as an add-on to the plastic injection molding process.  There is one direct difference between the two processes; the plastic injection molding process only uses plastic material in order to create a product.  On the other hand, the Insert Molding process includes other types of plastic and/or metals in order to create a more advanced product. There are thousands of uses for Insert Molding manufacturing.

The Insert Molding Process

The Insert Molding process starts off by either inserting the metal inserts before the custom injection molding process, or they can be inserted during the custom injection molding process.  If the inserts are chosen to be inserted during the plastic injection molding process, an Insert Molding process operator or a robotic arm will load them.  If chosen to insert the metal inserts after the plastic injection molding operation, the same robotic arm or Insert Molding process operator will load them after the plastic injection molding process is complete. Usually, Insert Molding takes place after the custom injection molding process. This procedure ideally reduces insertion costs, which can save our customers substantial costs on custom insert molding projects.

Regarding the Insert Molding process, there can be some very nice advantages when a robotic arm is handling parts.  When it comes to removing the molded parts and getting them ready for more processes, a multiple-axis robot can do that faster and more accurate than a human.  After the molded part is created and removed from the mold, the robot grips the part and moves it to either a location to be held or onto a system to be inspected.  The manufacturing equipment’s general layout and the kind of product being created are the determining factors in making this choice.

In order to assure a high level of quality for many parts that go through Insert Molding, robots can have vision systems mounted on them.  These vision systems inspect parts faster than a human, as well as know exactly what the metal component’s placement accuracy is.

Several industries thrive upon the products created through the Insert Molding process.  Actually, there are so many products created through this type of custom injection molding.  Here is a list of the industries these products belong to, and there is a list of the products that are created through this type of custom injection molding:

Automotive and Industrial Uses for Insert Moldinginsert molding utility knives, injection molding

• Cable Assemblies
• Sensor housing
• Seat adjustment motor’s brush holder
• Motor end bell
• Sound system’s speaker coil (also used for the electrical industry)
• Gear housing
• Motor assembly’s window lift actuator
• Interior lighting base
• Components for alternator
• Module parts for engine control

Healthcare Industry Uses for Insert Molding

• Delivery storage units for DNA testing
• Surgical blades
• Dental instruments
• Motors, gears and precision parts dental, medical, and surgical devices

Other Industries

• Surge protectors
• Buck knives
• Yo-yos
• Kitchen knives, forks, and spoons
• Humidity sensor clips
• Faucet handles…and so much more.

WJ Die Mold has the experience and expertise for just about any custom injection molding or insert molding project. Let us take a look at your specs and quote you a price. Email Jim and we’ll contact you immediately.

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