①The machine head should be assembled together and installed on the extruder as a whole.
②Before assembling the machine head, wipe off the grease applied during storage, carefully check the cavity surface for bumps, scratches and rust spots, perform necessary polishing, and then apply a layer of silicone oil on the surface of the runner.
③ Assemble the plates of the machine head together in sequence, apply high temperature grease to the threads of the bolts, and then screw on the bolts and flanges.
④ Place the perforated plate between the flanges of the machine head to ensure that the perforated plate is pressed without overflowing.
⑤ The horizontal position of the die should be adjusted before tightening the fastening bolts of the connecting flange of the die head and the extruder. The level of the square die head can be adjusted horizontally, and the circular die head should be based on the rubber bottom surface of the stereotyped model. The bottom surface of the mold is leveled.
⑥ Tighten the connecting flange bolts, tighten the machine head fastening bolts, install the heating ring and thermocouple, pay attention to the heating ring to be close to the outer surface of the machine head.
⑦Install the setting sleeve and adjust it in place, check whether the center line of the main engine, the setting sleeve and the tractor are aligned. After adjustment, tighten the fixing bolts. Connect the water pipes and vacuum pipes of the setting sleeve.
⑧Turn on the heating power, and evenly heat the machine head and machine body. At the same time, open the cooling water at the bottom of the hopper and the gear box and the water inlet valve of the exhaust vacuum pump. When heating and heating, the temperature of each section is first adjusted to 140 ° C, and when the temperature rises to 140 ° C, the temperature is kept for 30-40 minutes, and then the temperature is raised to the normal production temperature.
ZHEJIANG BAINA RUBBER & PLASTIC EQUIPMENT CO.,LTD. not only has rubber extruder but also salt bath curing line and other products, welcome to visit our official website.
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