Ambrell to Exhibit at Wire Düsseldorf 2022
Ambrell will exhibit at Wire Düsseldorf 2022 next week. The event is at Messe Düsseldorf, takes place the 20th - 24th of April, and we'll be located...
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Heat staking, which is also known as metal-to-plastic insertion, involves preheating an insert with induction and then pressing it into a hole in a plastic part. This is accomplished by positioning the induction coil over the hole and then holding the insert in the coil for a short period of time. When the correct temperature is achieved, the insert is pressed into the plastic. A narrow zone of plastic then melts and flows into the knurls of the insert. The plastic re-solidifies resulting in a complete assembly that often has much better mechanical properties than what results from alternative heating methods. The inserts are often brass or steel.
Induction heating offers a number of benefits when it comes to heat staking:
When designing a heat staking process with induction, there are a number of parameters that should be considered. Positioning of the insert inside the coil is important as consistency is critical. Insertion pressure is another important consideration as incorrect pressure will either leave the insert above its required location or cause a "flash" of the plastic material. Cool down time is also critical to ensure the insert is properly anchored.
Of course, frequency, heating time and the insert temperature are also critical factors for heat staking. But that's where an applications laboratory like THE LAB at Ambrell comes into play. With free applications testing from THE LAB, they'll prove out your process, determine the aforementioned parameters, and recommend the right system and coil design. That allows you to take advantage of all of the benefits of induction heat staking without being an induction heating expert.
Visit our heat staking page to check out our applications notes and read some white papers and articles from Dr. Girish Dahake of our applications laboratory. And, be sure to contact us to have your heat staking application tested.
Ambrell will exhibit at Wire Düsseldorf 2022 next week. The event is at Messe Düsseldorf, takes place the 20th - 24th of April, and we'll be located...
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