Plywood QC Inspection Checklist : Part 5 Thickness tolerance and variations
The finished plywood have thickness tolerance and variations changes ,when buy the plywood ,check the thickness first ,1220 direction ,244omm direct , total check 2 points each edges ,total 8 points need to be tested ,record the numbers and see the thickness difference .
For example ,1220x2440x18mm ,the standard thickness tolerance is +/-0.5mm .
1220 A 17.5mm ,17.8mm ,
1220 B 18.1 mm ,18.3 mm
2440mm A 17.2mm , 17.3mm
2440mm B 18.6MM ,18.9mm
This is not acceptable .This kind of plywood should be not calibrated sanded ,so the 4 sides of the plywood thickness are not good .
Traditional thickness tolearance is +/-0.5mm for thick plywood ,+/-0.3mm for thin plywood .如无特殊说明，文章均为本站原创，转载请注明出处。If there are no special instructions, the articles are original, if you want to use or reproduce, please indicate the original source www.plywoodinspection.com,If you find that our articles infringe on your copyrights and interests, please email us at firstname.lastname@example.org in time and we will delete it at the first time.