无码中文字幕日韩专区,真人无码作爱免费视频禁hnn,中字幕视频在线永久在线,国产av无码专区亚洲av麻豆丫

Welcome to Dongguan ITA Intelligent Manufacturing Technology Co., Ltd Feedback | Product | Contact Us | Chinese |

National Advisory Hotline

+86-769-89296989

How to judge the quality of extruded plastic molds

Nowadays, the use of extruded plastic molds is also very common. If you do not notice the quality problem at the time of selection, then the later stage will seriously affect the normal use. Today, I will tell you how to judge the quality of plastic molds.

First, we must look at the thickness of this mold when choosing, although the mold does not need to use too much force, or other harsh environment, but due to the phenomenon of mold and demoulding often encountered, the plastic mold will be very Easy, problems such as loss, deformation, etc. The basis for solving these problems is to widen the thickness of the mold. Therefore, in the process of selecting the mold, we can analyze the quality of the mold from the thickness.

Second, look at the specifications of the extrusion die, the good mold can control the size of the extruded plastic products produced in the error of a few millimeters, and the inferior mold often produces a product error of several millimeters or even A few centimeters.

Third, look at the material and workmanship of the entire mold, good mold should be very smooth inside and outside, look shiny, and feels slightly moist, hand inferior mold may have burrs or pits on the surface, the two It is to stand tall.


Share to:
Top phone map Home
2012国语在线看免费观看视频| 日韩人妻无码精品二专区| 国产小嫩模无套中出| 大香伊蕉在人线国产最新2005| 亚洲av高清在线观看一区二区| 国产精品自在线拍国产| 精品久久久久精品亚洲AV| 麻豆md0077饥渴少妇| 亚洲无线看天堂av| 人人妻人人狠人人爽| 免费无遮挡无码永久在线观看视频| 成人久久免费网站| 蜜桃臀无码内射一区二区三区| 亚州性无码不卡免费视频| 在线无码午夜福利高潮视频| 中文字幕无码热在线视频| 中文AV人妻AV无码中文| 老司机国内精品久久久久精品| 国产亚洲3p无码一区二区| 久久久G0G0午夜无码精品| A男人的天堂久久A毛片| 色欲色香天天天综合网WWW| 欧美老妇牲交videos| 无码AV人片在线观看天堂| 国产真实露脸多P视频播放| 日本在线一区二区三区欧美| 强壮公弄得我次次高潮HD| 久久精品国产亚洲AV不卡| 国产成人无码AV一区二区| 亚洲AV国产福利精品在现观看| 亚洲av色香蕉一区二区| 日本免费一本一二区三区| 日韩人妻无码精品二专区| 成人无码潮喷在线观看| 国内2020揄拍人妻在线视频| 久久夜色精品国产噜噜噜亚洲AV| 极品少妇被猛得白浆直流草莓| 精品久久久久久无码免费| 久久久久久精品免费无码无| 国产精品免费一区二区三区四区| 日本高清色WWW网站色噜噜噜|