Vacuum Pressure Resin Casting Chamber for Dry Type Transformers

The vacuum resin casting machine is specially used in the production of dry type transformers, bushings, dry type reactors, high voltage switch insulation, and related electrical products. It mainly consists of material tank, mixing tank, measuring device, vacuum casting tank, vacuum pump system, heating system, control system, etc. It is suitable for degassing, mixing and casting high polymer materials such as bisphenol-A, outdoor resin, polyurethane, etc. 

1 Main component of the machine
1.1, Resin mixing & degassing system…….............................................1 set
1.2, Hardener mixing & degassing system…….......................................1 set
1.3, Electronic scale system…….............................................................1 set
1.4, Final material mixing system……......................................................1 set
1.5, Vacuum casting tank system…….....................................................1 set
1.6, Heating system……..........................................................................4 sets
1.7, Vacuum pump system……................................................................2 sets
1.8, Pneumatic pipeline system…….........................................................1 set
1.9,  Cooling water pipeline system……...................................................1 set
1.10, Material feeding system……............................................................1 set
1.11, Electrical controlling system……......................................................1 set

2,Equipment technical index and parameter
2.1,Casting tank size: as per customer request
2.2,Main pump speed: 300L⁄S
2.3,Casting tank working temperature: 70~85°C
2.4,Casting tank limiting vacuum: ≤50Pa
2.5,Casting tank leakage rate: ≤100Pa.L⁄S
2.6,Casting tank working vacuum: 100~300Pa
2.7,Casting tank working pressure: ≤0.4Mpa or ordinary pressure
2.8,Adopt electronic scale & high viscosity pump for material feeding
2.9,Adopt dynamic material mixing
2.10,Adopt vacuum casting technology
2.11,Adopt industrial computer controlling & manual controlling modes. Automatic
record material tank, casting tank, mould temperature, vacuum degree. Preset material tank
feeding rate.
2.12,Material mixing tanks adopt electrical heating, automatic temperature control.
Casting tank adopts electrical heating plate directly heating. Each heating system has rock wool
insulation. Casting tank equipped with stainless steel plate shield. Mixing tank equipped with
steel plate shield. Surface temperature of the insulation is not higher than room temperature by
20°C.