Application of Induction Hardening Technology in Key Parts of New Energy Vehicles

The motor shaft is used in the motor drive system of new energy hybrid vehicles and pure electric vehicles. The drive motor system is one of the core systems of new energy vehicles. The motor shaft is also the key component of the drive motor system. The quality of its materials and heat treatment will affect the overall performance of the drive motor system.According to different materials, the commonly used heat treatment methods for motor shafts are induction heat treatment and carburizing quenching heat treatment.

Energy shortage and environmental pollution are the two major problems facing today. Regarding how to reduce energy consumption and reduce pollution emissions, it has become a hot topic in the heat treatment industry. Induction heat treatment is dubbed “green heat treatment” because of its low energy consumption and low pollution. Therefore, in the field of heat treatment surface hardening process, the process of induction heat treatment instead of carburizing heat treatment has never stopped. At present, some motor shaft products have changed their materials, and their heat treatment process has been converted from the original carburizing quenching heat treatment to induction heat treatment. Induction heat treatment can selectively harden the inner hole or inner spline, which not only greatly reduces the heat treatment time and energy consumption, but also reduces the distortion of the workpiece.

Yingda Industry (Shanghai) Co., Ltd. was commissioned by the user and has jointly completed the development of induction heat treatment processes for motor shafts of various new energy vehicles with the user.And provided customers with a complete set of induction heat treatment equipment for motor shafts.

Characteristics of the equipment model:

1) Fully automatic loading and unloading;

2) The power supply contains an automatic switching device; it can meet the quenching needs of different locations of the same product, and can effectively shorten the production cycle of the quenching process of the product;

3) The power supply is equipped with an energy monitoring function, which can effectively ensure the stability of quenching quality;

4) The friendly man-machine interface simplifies parameter setting, conversion, and troubleshooting;

5) Standard PLC control system with large-capacity formula storage space, including quenching process parameter recording function, easy to trace;

6) Comes with a water cooling system for low-noise operation and a quenching liquid circulation system with a filter device;

7) Manufactured according to machine tool standards with high reliability.