Applied in BOPET

BOPP,BOPET This kind of plastic produ師海cts are characte她藍rized by high transp新路arency, high precision 得服and relatively high 喝事molding tempera鄉水ture, such as BOPET PE土遠T packaging tape and PET film. T又下he special mesh changer作拿 has the following characteristi放有cs:
1) It has a "sp書機ecial position" exhaust mechanism and a用間 flow channel. It can clean up the gas月開 in the new net when changing the net但草 and keep the pressure balance of t身雨he net change, and thoroughly solve 錢知the problem of "bubble".

2) The exhaust 雜路position is also the preheating p員笑osition of the net bl美和ock at the same time. 又妹It can be guaranteed tha票南t the net to be changed is the same 農綠as that of the net being changed, 舞師thus avoiding the fac我間t that the low temperatu謝喝re of the new mesh le短物ads to the crystal長劇lization of the melt and the flow bec又光omes poor, and even the cry藍老stal point.

3) The ordinary mesh changer is a fi業小lter (porous plate) carrier direct妹什ly in contact with the plast秒書ic melt. Because the mesh ex靜算change needs to move back and f費林orth friction, it is easy to prod短低uce black spot impuritie大朋s, filter cleaning is also ineffective,火明 because the carri中刀er can not be cleaned dire書紅ctly. The special mesh c店廠hanger is different: the filter (perfor商西ated plate) and 拍要the carrier become a net block as a who靜物le, and it circulates and moves in one算老 direction, avoiding the occurrence人放 of the black spot impu時從rity, and after changing the n習計et, it can be taken dow都拍n and cleaned together. Clean me姐男sh reinstalled with a new 在行filter net has excellent fluid雪工ity. In order to mainta匠去in the stability of the間商 mechanical rigid seal of the mes什玩h changer, the steel站身 used is more wear-resistant and heat她看-resistant than 銀報that of the normal mesh changer, a海舊nd the runner is smoo件綠ther.