Handheld Digital Induction heating machine application in Steam turbine cylinder bolt thermal Expansion

​Machine Technical specifications :

Type	DSP-50KW
Rated Output Power	50KW
Rated Output Frequency	10-40KHZ
Can expand frquency	1-100khz
Overload Heating time	45%/10min
Power Adjust Arrange	1.5-100%
Coaxial Flexible cable length	40M
Input Voltage	360-420v 50-60hz
Max power	50kw
Protection Level	IP54
Environment Temperature	+5c--+50C
Cooling water flow	21L/MIN
Cooling water Pressure	4-8Bar
Weight	About 100kg

    Heating large bolts first, then assembling them and waiting for them to cool down to achieve the purpose of fastening is a common method for assembling large structural parts; while in disassembly, the bolts are also heated first to expand and become longer to achieve the purpose of disassembly.
Compared to the electric wire heating method or flame heating method, the induction heating method has many advantages:
    ● Fast speed and substantial savings in disassembly time;
    ● Automatic temperature control, preventing overheating, annealing and material denaturation of the bolt;
long life of induction heating rods and equipment;
     -No wearing parts and lower running costs.
     For the thermal expansion of bolts, our factory has developed special induction heating equipment that includes power supplies, inductors, and even connection components and installation methods that take into account the special hygiene techniques of bolt thermal expansion and the need for fast on-site operation.
    >Unlike the electric wire heating method, the heat from induction heating directly on the bolt is highly efficient and fast, 5-10 times faster than the electric wire.5-10 times faster than the electric wire method, resulting in a significant increase in productivity. Bastick Electric 5.The problem of easy annealing and denaturation of the bolt is solved completely.Automatic control of the bolt temperature ensures that the bolts are not overheated.1-8 independent output units, each output unit is
independent power regulation and temperature control is possible.
     >The insulation resistance of the inductor or extension cable is detected and protected online.protection, which is a guarantee of personal safety in complex applications on site.The protection is a guarantee of personal safety in complex field applications.​​

     >inductor (heating rod) resistant to temperatures above 800 degrees, resistant to Abrasion, toughness, no breakage when bumped.The inductor (heating rod) can be replaced quickly.5-10 times faster than the electric wire method, resulting in a significant increase in productivity.
5. completely solves the problem of easy annealing and denaturation of the bolt.Automatic control of the bolt temperature ensures that the bolts are not overheated.1-8 independent output units, each output unit isindependent power regulation and temperature control is possible.
 

    >The insulation resistance of the inductor or extension cable is detected and protected online.The in-line detection and protection of the insulation resistance of the inductor or extension cable in the event of a drop in insulation resistance is possible in real time.protection, which is a guarantee of personal safety in complex applications on site.
The protection is a guarantee of personal safety in complex field applications.

 

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