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What is suck back in injection molding

 Good morning dosto

Suck back ,

Naam se hi lag rha hai ki koi cheez suck ho rhi hai yani kheechi ja rhi hai . Suck back ka matlab hua peeche ki taraf kheechna  .  Actually jab plastic melt material mold me inject ho jata hai aur injection ke baad holding  complete ho jati hai tab part cooling zone me jata hai aur isi waqt refilling bhi sath sath hoti rhti hai refilling poori hone k baad screw straight direction me back hota hai utne mm jitna set kiya jata hai. Alag alag material k liye alag alag value me set krte hai suck back 

Suck back dene se drooling ki problem ko solve kiya jata hai aur sath hi sath   silver bhi troubleshoot hota hai .suck back dene se material me threading generate nhi hoti hai nozzle se  


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