Purpose, structure and working principle of open mill

Release time:

2023-10-13

Working principle: When the rubber material is added to two oppositely rotating rollers, depending on the speed, it is pulled between the two rollers under the effect of friction, and the cross section of the roller is reduced, causing the rubber material to be exposed to Fierce shearing and squeezing action, at the same time produce oxidative chain breaking, increase plasticity, so as to achieve the purpose of rubber (plasticizing).

Use, structure and working principle of open mill

1. Structure (divided into two parts of transmission and host)
a. Transmission part: motor, driving gear, etc.
b. Main machine parts: Roller and its main components such as bearing, frame, beam, machine base, and distance adjustment installation, safety brake, roller temperature adjustment installation, smooth installation, etc.

2. Working principle: When the rubber material is added to two oppositely rotating rollers, depending on the speed, it is pulled between the two rollers under the effect of friction, and the cross section of the roller is reduced, causing the rubber material to be exposed to Fierce shearing and squeezing action, at the same time produce oxidative chain breaking, increase plasticity, so as to achieve the purpose of rubber (plasticizing).

3． Working performance: The working performance of different specifications of open mills is not the same. Our company's conventional BL-6175 open mills, temperature
The accuracy is ± 2.5 ℃, the distance between the rollers is 0.05 ~ 8mm, and the rubber mixing capacity is 50 ~ 3000g at one time. It can be used for pressing films, hot-melting, and rubber supply. Roller
The temperature can be adjusted according to the needs of the process. Generally, it should be between normal temperature and 300 ° C. The amount of rubber, the diameter of the roller, the length of the roller, the distance between the rolls, the speed of the speed, the speed of the rubber, the temperature of the rubber, the time of the rubber, the degree of operation technology, etc. directly affect the working performance.

4． Uses: The double-roller mill is mainly used for mixing, plasticizing, and extruding high-molecular polymers such as engineering plastics, modified plastics, and masterbatches.
It has the characteristics of average dispersion, plasticizing coloring, and filling modification. Suitable for laboratory experiments and quality control, teaching seminars and small-scale consumption.