In the process of packaging, quality of vacuum and heating quality is affecting the quality of product packaging, this requests us in the device's state on the use of vacuum pump and the heating device must learn more and more on the auxiliary equipment of various kinds of heating devices to choose carefully.
So, in the choice before, first to know about the difference between the heating device.
early vacuum
packing machine is introduced, basically adopt aluminum alloy material to match with heating the hot glue sealing.
Later found out that aluminum alloy heat bilges cold shrink coefficient is larger easy to deformation, and it is metal, be sure to add water to sealing after cooling.
the follow-up was developed using phenolic resin as a substitute for, plus it USES imported alloy of nickel luo heating bar, two copper heating device installation, can be very stable transient heating, and also do not need to add water cooling, not deformation because of the resin itself has the effect of insulation, not affected by temperature changes.
the place on put together is narrated, vacuum
packaging machine heating device mainly experienced early late aluminum alloy material and phenolic resin material of the two phase change, at present, this article luo import nickel alloy material of heating can make the equipment is has been a steady finished heating work, so the future will be more widely used, hope you can understand.
: wp
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