Rubber Molding, Injection Molding, and Rubber Transfer
Rubber molding provides a solution when a chemical reaction occurs between incompatible materials and prevents proper adhesion. The technology is applied to but is not limited; vibration mounts, bellows, grommets, tips, bumpers, tips, boots, pulley wheels, connector elbows, seals and valves.
Also, custom engineered parts are offered from rubber molding manufacturers that will fit any unique design. Averaging the knowledge and experience the end product will be compatible with the application it will be used for.
When working with a U.S rubber molding partner it insures a level of service and effectiveness that foreign rubber molding laborers may not be able to accomplish. When bonding parts that are made in the United States it allows business owners even more influence.
Injection molding, rubber compression molding, and rubber transfer molding are the three types of processes rubber molding manufacturers use. What follows is the diversity between the three:
Injection Molding
Injection Molding was originally an extension of the plastic industry in the 1960s it was a means of mastering the temperature and pressure challenges that emerged when bonding rubber. It is now known as the most effective means of molding rubber. A hybrid process can also be done by combining injection molding with transfer molding.
Compression Molding
has been around well over a century and has maintained unchanged since its commencement. Like transfer molding, Compression molding involves pre-forms that are assembled like the finished product. They are then molded, cured, and, the form is de-molded. Compression molding is cost-effective in three ways:
- When the essential output is a controlled quantity
- When a compression molding tooling is already in place by the business owner.
- When the length of a large cross-section part must be cured for a long period of time.
- Transfer Rubber Molding is also known to use compression. When using this type of bonding the rubber is compressed into a cavity and is then shut to create a mold. When it is shut the rubber is pushed into the desired cavity and obtains the new shape. This type of rubber molding can be very effective when it comes to cost-saving. The downside of using transfer molding would be the material that is left unused after a mold is made, but for eco-conscious business owners the rubber can be recycled.
When it comes down to choosing a means of rubber molding it depends solely on your specific circumstances. Consult in a rubber molding expert for recommendations on the most cost-effective way to determine bonding issues.
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