MAIN PRESS
(1) Strain plate :
Use Q235A steel board which have been derusted, zinc painted,Plasma auto cut, CO2 protect jointed, alloy jointed and shaken to clear the stress.
(2) Platen
Use 45# rolling steel with heating operation which is manufactured on double faces and 1.6 roughness. Both of the cooling ends is 300mm with on/off valve on the inlet. There's cold and hot exchange function on the outlet. Platen ends with R30 angle.
(3) Upper and lower bolster:
Q235A type welded steel plate in monolithic structure ; anneal treatment after welding can remove welding stress force, then planning machining (CO2 gas shielded welding, Japanese alloy welding rods). The upper and lower platforms adopt double direction temperature water balance system. The heat balancing plate of upper and lower platform has monolithic structure to reduce the distortion of platforms due to temperature difference. The tolerance of lead pressing test is ≤0.15mm.
(4) /Hydraulic Cylinder:
The material of cylinder is ZG35 and ram is made of strong cold alloy cast iron, double seal ring with one dust holding ring.
(5)Hydraulic automatic steel placing device:
There're 2 sets of auto devices on both ends of nether bolster. It should place the side steel in a line before the mould is closing by the program with the effective of 6 hydraulic cylinders.
(6)The hydraulic balance and hoist device:
The 4 devices are set up on both ends of the lower bolster, which are going through the whole equipment. It should make sure the hoist balance of nether platen and keep the thickness of product equal to pledge the quality by the cooperating with the equal oil in every cylinder.
(7)New heating separate material:
Pressure-assistant:≥400kg/com2, Conduct: 0.039w/m.h, Max.temperature: 220ºC-250ºC, Thickness: 16mm
The material could keep the quality while the shape of the rubber board is changing because of the overload heating and longtime work.
(8) Closing mould leading device:
It is 8 sets on both ends of nether bolster, which makes the mistake of lengthways not more than 0.5mm.
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