根据需要加足料，双螺杆挤出机采用计量加料器均匀等速地加料。
注：设备的安装、调试，一般在使用说明中会有明确规定，操作人员熟悉自己所操作的设备是大前提。如掌握螺杆的结构特性，加热和冷却的控制仪表特性、机头特性及装配情况等，以便正确地掌握挤出工艺条件，正确地操作机器。
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Preparations before starting up
The raw materials should meet the required
drying requirements, and the raw materials should be screened to remove
agglomerates and mechanical impurities. Check whether the water, electricity,
and gas systems in the equipment are normal, ensure that the water and gas
lines are smooth and leak-proof, whether the electrical system is normal,
whether the heating system, temperature control, and various instruments are
working reliably; test run the auxiliary engine empty and at low speed, and
observe Check whether the equipment is operating normally; start the vacuum
pump of the setting table and observe whether it works normally; add oil to
lubricate the lubricating parts of various equipment. If any fault is found,
eliminate it promptly.