Check with seller Power selection of induction heating equipment?

Published date: June 11, 2020
Views: 8

Induction heating equipment, intermediate frequency induction heating furnace, specializing in the production of various types of heating equipment, stable performance, simple operation, professional and technical personnel development production experience, welcome to inquire.

The power of the power supply unit depends on the power density value (PO) of the workpiece surface in kW/cm and the primary heating area (A) in cm. The selection of power density depends on the heating surface area and quenching conditions. The lower the current frequency, the smaller the workpiece diameter and the shallower the required hardening layer depth, the higher the required power density.

The hardened depth of carbon steel at different frequency and power density. When using high frequency and super audio power supply, PO is usually 0.6~2.0kW/cm. When using intermediate frequency power supply, PO is usually 0.8~2.5kW/cm.

The same hardened layer depth can be achieved with different power densities and different holding times. Lower power density and longer heating time correspond to higher current frequency. Lower power density and longer heating time correspond to higher current frequency. The former heating workpiece surface to the center conduction heat energy, thermal efficiency is higher; The latter has stronger thermal conduction and lower thermal efficiency. From the perspective of energy saving and the workpiece hardening layer transition zone should not be too long, the surface quenching workpiece heating time should not exceed 10s, slightly longer than 15s, except for special requirements.

Modern induction quenching machine tools, quite a few of them have been equipped with energy monitoring devices, which control the heating temperature and hardening depth of the quenched workpiece with the electric energy of kW. S.

According to the required power x kW·s, firstly set the heating time ys, and then calculate the required power Z kW with X kW·s/ys (the energy monitor generally refers to the oscillating power).

Is the relationship between the hardening depth and the power consumed at different current frequencies. According to this table, the power consumed by a certain heating area (kW·s) can be calculated according to the energy density values required by various hardening depths at different frequencies.
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