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The circuit board
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The circuit board
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Well designed circuit board

Well designed circuit board has the following advantages:

1, the constant power intermediate frequency power control board adopted advanced integrated circuit as the core of the control system, control ability is extremely strong, high level of integration, the whole control circuit installed in a  280 * 220 mm printed circuit board, and just only fourty or fifty wirings to the main circuit, simple and reliable, but has strong control ability.

2, the Well designed circuit board adopted three-phase power synchronous direct input, leave out the large synchronous transformer, etc, so the circuit further simplify, the bulk of the equipment is reduced, installation and debugging is simple and convenient maintenance, if the control system  has fault, just change the spare board,save Labour and time, do not affect production.

3, the Well designed circuit board using built-in solid state relays instead of peripheral intermediate relay, proceed the start and stop control, not only saves the cost and the equipment bulk, but also make the connection more simple.

4, Well designed circuit board has the perfect over-current, over-voltage, the current limit, limited pressure protection system, once the circuit malfunction, protection system  can act in a short time, reliably protect action thyristor and intermediate frequency capacitor and other precious components, lest damage, cause needless loss. The panel also has to protect the movement, power control potentiometer spin anticlockwise to the end, protection system automatic reset, and effective to prevent the mistake and in high power state power supply system of quick start, impact and cause the damage of the components.

5, the constant power intermediate frequency power control system adopts zero voltage, slow start and soft start, and the advanced double closed loop control system, in actual use 100% reliable, and can start without impact. Equipment in the actual operation, under heavy load changes, also can stable working reliably.

Shean also have power supply,elbow machine,tube bender,and so on.

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