I’m struggling with “stringing” while molding Zeonex
I’m struggling with “stringing” while molding Zeonex. That is, as the mold opens, a long thin “string” of plastic is pulled from the nozzle attached to the sprue. Any advice would be appreciated.
Try to lower down the nozzle tip temperature, or melt temperature,
Cooling time too long also may cause this issue
I also see many people recover far too soon before the mold opens, allowing the nozzle to string. I always finish about 5 seconds before the mold starts to open.
Quite often works.
Had this problem with acetals on gear parts going to assembly machines.Tried all the basics I could think of some worked for a while but not consistently.The assembly machine clogged up with what looked like hair balls after a days production. Even put an axtractor over the machine to suck up the strings. Bit the bullet and built a cutter in to the mould.