High-frequency quenching machine, medium frequency forging heating furnace, high-frequency welding machine quarter maintenance as follows

- Aug 02, 2018 -

High-frequency quenching machine, medium frequency forging heating furnace, high-frequency welding machine quarter maintenance as follows

1. Check the time relay, temperature relay, overcurrent relay, pressure gauge, contacts and wiring.
2. Check the contacts of the air switch and circuit breaker for ablation.
3. Check the relay control system, weak current control system, trigger circuit, etc.
4. Check the scale of the cooling waterway and check the flow of the cooling waterway.
5. Check whether the protection circuit of the high frequency machine is overvoltage, overcurrent, door switch, insufficient cooling, and high temperature.
6. Check if the fuse of the high frequency machine is loose or hot.
7. Check if the grounding resistance of the high frequency machine meets the requirements.
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