The open mill is one of the main equipment of the rubber factory. The rubber mixing operation of the open mill is a process prone to accidents, including personal accidents and equipment accidents.

In recent years, on the one hand, due to the rapid increase of rubber enterprises, especially the opening of a large number of rural rubber enterprises in villages and towns, a large number of young workers without strict training have been employed in rubber mixing jobs, and violations of safe operation are widespread. On the other hand, due to the continuous strengthening of the production capacity of the rubber mixer, and some steel radial tires and wide-section tires, the hardness of the tread rubber is required to increase. A broken tube accident occurred. Therefore, the safety status of rubber mixing operations is not optimistic

Protecting the safety and health of workers in production is an important policy of our country. Protecting national property and promoting production development are important duties of enterprise management. Therefore, as far as rubber companies are concerned, attention should be paid to the safety of start-up operations.

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The rubber material should also be checked before feeding. If there are hard metal debris, put it into the rubber mixing machine with the rubber, causing the horizontal pressure to suddenly increase, which may cause equipment damage.