The Secret Society of Lathe Trolls

Cooling water temp? Looks like you have steam going in before separation (leaky steam valve? bad timing?), something funky going on with the moulds not cooling properly on one side or the pvc compound foaming. does it do the same with coloured compounds? that would mean it is not the pvc. If it hap...

Hi everyone, We're a pressing plant in south of China, these days some strange flaws always appear on the center of records after pressing, and always on the B side(the upper side). it appear irregularly, and always appear on the ending groove, where between the groove and label. I‘d like to know if...