How To Manage Cooling in EV Motors with Plastic
April 13, 2023
Managing the high temperatures that routinely build within high-torque electric motors is an ongoing challenge for automotive manufacturers. As the engines work hard, particularly when engaged in an activity such as pulling a trailer or accelerating quickly, the motor gets very hot, making integrated cooling through ongoing hydraulic fluid applications to the stator mission-critical.
Plastic components provide a low-cost, space-saving solution, enabling Original Equipment Manufacturers (OEMs) to meet the integrated cooling requirements of high-torque electric motors while enjoying the many other perks of this engineering innovation. For instance, by switching from traditional metal parts to plastic, customers can realize a weight reduction of 83g and utilize laser welding, which allows the plastic components to fit into tight cavities without producing debris during the welding process.
These plastic products are backed by machine-based process monitoring, ensuring each manufacturing and assembly task is completed thoroughly and correctly before operators move on to the next step. All molding machines from Parker Chomerics have built-in sensors and cameras that provide checks and balances every step of the way. These devices monitor the setting as well as the result, measuring actual performance characteristics and verifying important quality standards are met, including the part used, proper alignment, and injection pressure in the mold.
Machine-based process monitoring ensures:
- 24/7 real-time monitoring of every shot
- Immediate notification of a potential problem
- Control limits can be developed during the mold qualification stage, and alarms and automatic parts diversion via reversing conveyors will trigger if those limits are exceeded
- Process parameters are measured, not just finished parts
- The opportunity for six sigma quality
- A predictive maintenance tool for processing equipment
This thorough approach to process monitoring allows us to guarantee zero defects, giving our OEM customers a quality plastic component that meets their unique design requirements every time.
Sarah Kuhn
Marketing Communications Manager
Parker Chomerics
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