Plywood QC Inspection Checklist : Part 8 Hot pressing pressure rates

Plywood QC Inspection Checklist : Part 8 Hot pressing pressure rates

When check the plywood ,first need to know the Impact of Hot Pressing Pressure on  plywood Performance ,  when check the plywood hot pressing lines ,need check the Hot-pressing parameters, such as temperature, pressure, and duration, all these significantly affect the final plywood quality .

ALso need to check the heating system types ,steam heating ,coal heating ,or other types of heating ,the heating type also have big affect on the final plywood quality .

The QC shoul know the Thickness loss in hot-pressed plywood hot pressing production process  .Thickness losses in plywood panels during hotpressing are well known but recent trends toward gluing at higher veneer moisture content (MC) and presstemperature result in losses much greater than previouslyexpected.

 

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