Shanghai Bei Yang Plastic Machinery Limited company CO.,LTD.
We always adhere to the sustainable development of quality first, energy saving and emission reduction, automation and technicalization.
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The first rotary PVC heat shrinkable film blowing machine --SJ55×28-sm1000
This machine set is an updating product for manufacturing PVC thermal shrinkage (printing grade) inflation film equipment. The target of successfully researching and manufacturing is that product quality reaches or exceeds the international standard, i.e.: thickness uniformity is less than 5 to 6 μm; film straightness is less than 2 to 4mm/4M; rib exposure does not occur during natural shrinkage, and the film surface maintains smooth.
No.1 traction and rotation refers that raw film blown by a mould is rotated and deflected at 180 to 320 degrees after entering into No.1 traction roller. By adopting DD-LTD brushless servo deviation-correcting device, raw film is transmitted to a water tank to be subjected to secondary inflation. During this process, water temperature control has a significant effect on thickness uniformity, and we adopt high-precision intelligent digit power regulator (SCR pulse control), the mutual deviation of water temperature is 80±0.1 DEG C, and it also has the energy-saving effect.
This machine is a technically patented product in 2016, at present it is put into volume production, welcome the domestic and overseas friends to visit and purchase.