Kechuang intermediate frequency thermal furnace technology, an intermediate frequency furnace
broken at the time of water power how to handle a: 1.
Turn off the machine power switch immediately;
2 if you have spare water, you need to open the water by 3 right now or circular pool, the level of the water tower above the furnace, just turn off the other locks, just let the water flow sensors to a cooling.
Medium frequency induction heating furnace operation over-voltage after how to fix a: first of all to determine when the overvoltage protection circuit device work?
Overpressure indicate no, if yes, specify protect normal (
Overpressure table shows data and setting data attached)
Otherwise is overpressure ran to the new setting followed by intercepting section pressure circuit is normal, normal maintenance adjustments when a sharp change in furnace load numerical equipment appearance check whether cable junction color (
Why eliminate kechuang medium frequency induction furnace
heat medium frequency furnace broken a: a chemical composition adjustment is not easy.
ZGMn13Cr2MoVTi afraid of a steel grade, such as smelting in medium frequency furnace smelting, is more difficult.
When all molten steel, sampling to do during the test, high temperature molten steel to the harm of lining is larger, that is to say, the test time is very short, and test after adjusting chemical composition is not easy.
The second is the limited capacity of intermediate frequency furnace.
How to control the temperature of the medium frequency furnace?
S a: simple use stationary infrared thermometer (
The high accuracy)
Temperature measurement, PID temperature control table.
Intermediate frequency furnace maintenance common sense A: silicon controlled rectifier is good or bad judgment A measurement gate (
Resistance, the resistance in 8 - commonly
- - - - - -
Measurement of Yin and Yang (50 b
Resistance measurement should be open, measurement in K - in the road
Note: in the multimeter is positive and negative way or open in the medium frequency power supply circuit, the test method can only be simple judge of silicon controlled because of the size and usage of SCR is different, the test.
Why the workpiece in medium frequency induction heating furnace heating cannot answer: first, must ensure that the heated billet is permeability of metal, the second, ensure the normal operation of equipment to the third, billet and heating coil to ensure proper clearance.
Clearance is too large, the heating efficiency is very low, even is not hot.
Fourth, the appropriate operating frequency, billet is thick, the lower frequency.
Billet is fine, the higher the frequency.
Intermediate frequency furnace without intermediate frequency heating is no fault?
Kechuang heat medium frequency furnace a: break fault analysis and processing, the fault phenomenon does not belong to the intermediate frequency power supply failure, but because of the load impedance is too low to cause, should readjust to load impedance.
In booster load electricity degree of road, because of the damage to dismantle series compensation capacitor, there is no change, or blindly pursue high power and increase compensation capacitor unchecked, make the load.
Please comment, one of the intermediate frequency furnace power thyristor always burn, answer: one of the intermediate frequency furnace power thyristor always burn the reasons: 1, the inverter SCR intermediate frequency furnace water-cooled water or replacement of water-cooled cooling down.
To observe the water yield of water jacket and sometimes pressure is enough, but often due to water quality problems, in the water-cooled walls attached to a layer of scale, due to the differential scale is a kind of thermal conductivity of objects, although there are.
In the process of the medium frequency induction heating furnace heating medium frequency voltage and dc voltage drop a: your problem description is not detailed, no specific types of equipment, can best describe the specific point again, and the current situation.
But personally, I guess you this case, the device should be no problem, should be the current limit, to lower voltage.
This kind of circumstance can adopt the following methods: 1, the device, transformer capacity and cable wire diameter to allow.
Medium frequency heat treatment quenching furnace with mesh belt type tempering furnace have what differentiation?
Medium frequency induction furnace 】
Medium frequency induction furnace is a kind of will power frequency 50 hz alternating current into intermediate frequency (
More than 300 hz and 20 KHZ)
Power supply device, the three-phase alternating current (ac) power frequency, after rectification into direct current, then laid adjustable intermediate frequency electric current, direct current supply by capacitance and induction coil in through the intermediate frequency alternating current, density in induction coil.
Kechuang heat medium frequency furnace technical data
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