Ambrell Induction Heating
Ambrell Induction Heating
heating a steel plate

Using Induction Heating for Heat Staking

Feb 18, 2019 2:31:05 PM / by Brett Daly posted in Metal-to-Plastic, heat staking

 

 

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. 

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Application Insight: Metal-to-Plastic Insertion with a Brass Shaft

Jan 31, 2019 3:50:22 PM / by Brett Daly posted in Metal-to-Plastic, EASYHEAT, Induction Heating, heat staking

 

 

An organization had been using a torch for this metal-to-plastic insertion application involving heating a brass shaft, however it required multiple torches to meet their growing throughput requirements. Consequently, they wanted to see if induction heating could offer them a more efficient solution. They turned to THE LAB at Ambrell and took advantage of complimentary application testing.

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Induction Heat Staking Magnetic Steel Inserts for Injection Molding

May 25, 2018 3:39:50 PM / by Brett Daly posted in Metal-to-Plastic, Application Notes, heat staking, heat staking with induction

 

A supplier to an engine manufacturer needed to heat magnetic steel inserts for a metal-to-plastic insertion (also known as heat staking) application. The parts needed to heat to 500 °F (260 °C) within five seconds prior to being placed into an injection mold. Due to it taking the robot a few seconds to place the parts in the mold, it was also important that it maintain the temperature for a few seconds after heating concluded.

 

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Induction Metal-to-Plastic Insertion for Cooling Fan Shafts | Ambrell

Aug 21, 2017 2:58:23 PM / by Brett Daly posted in Metal-to-Plastic, THE LAB, heating, heat staking



A supplier to the automotive industry was looking to heat a cooling fan shaft for a metal-to-plastic insertion (heat staking) application. They needed to heat the end of the shaft to 572 oF (300 oC) within three seconds. They turned to the application engineers at THE LAB at Ambrell to come up with a solution. 

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