国产做a爰片毛片a片美国,四虎亚洲欧美成人网站,免费又色又爽又黄的视频入口 ,亚洲第一区欧美国产综合,亚洲第一区欧美国产综合

Blown Film Extruder system maintenance instructions

Blown Film Extruder system maintenance instructions
1, observe pressure gauge and the main motor current, clean changer
2, check the gear box, screw, main motor without noise and overheating
3, check the inverter operating frequency, current, temperature, time to clean up the motor, inverter dust.
4, corrected thermocouple temperature measurement and the actual error.
5, the correction extruder place status, adjusting sheave guarantee placement angle and horizontal extruder.
Copyright ? Ruian DeBang Machine Co.,Ltd.