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A rubber extruder is a rubber machine used to extrude threads, inner tubes, hoses, and various rubber profiles. It is also used to coat cable and wire products. If you want to know more about rubber extruder, then take a look below.
Here is the content list:
- How is rubber extruder mixed?
- What are the molding methods?
- What are the points of attention for rubber extruder operation?
How is rubber extruder mixed?
To adapt to various use conditions, obtain various properties, and improve the performance of rubber products, and reduce the cost of rubber extruder, different compounding agents must be added to the raw rubber. Mixing is a process in which the raw rubber after rubber extruder is mixed with the compounding agent, and then placed in the rubber extruder to disperse the compounding agent completely and evenly in the raw rubber through mechanical mixing. Mixing is an important process in the manufacturing process of rubber products. If the mixing is not uniform, the role of rubber and compounding agents will not be fully exerted to affect the performance of the product. The rubber compound obtained after rubber extruder mixing is called compound rubber. It is a semi-finished material for manufacturing various rubber products, commonly known as rubber.
What are the molding methods?
1. Calendering
Suitable for manufacturing simple sheet and plate products. It is formed by rubber extruder into a film of a certain shape and size called calendering. Some rubber products, such as tires, rubber cloth, hoses, and other textile fiber materials must be coated with a thin layer of glue. Adhesion to fibers is also called glue or rubbing. The gluing process is generally also done on the rubber extruder. The purpose of drying and dipping the fiber material before calendering is to reduce the moisture content of the fiber material to prevent water from evaporating and foaming and to increase the temperature of the fiber material to ensure the quality of the rubber extruder calendering process. Glue dipping is a necessary process before hanging glue. The purpose is to improve the bonding performance of fiber materials and rubber materials.
2. Extrusion molding
Used for more complex rubber products. Such as tire treads, rubber tubes, and metal wire surface coatings that need to be manufactured by extrusion molding. This is a method of continuously molding a rubber compound with a certain degree of plasticity by extruding screws from various mouth shapes, also called templates, and placing them in the hopper of a rubber extruder. To make the rubber soft and easy to extrude, to get a smooth surface and a rubber product of the correct size, the rubber of the rubber extruder needs to be preheated before the extruder.
What are the points of attention for rubber extruder operation?
1. The rubber extruder should run forward to avoid reverse rotation.
2. Do not run on an empty stomach, you must run the machine with heating, to avoid sticking (shaft holding).
3. It is strictly forbidden to enter ironware and other miscellaneous objects in the feeding port and vent hole of the rubber extruder, to avoid accidents and affect production.
4. Safe use of electricity and grounding wire.
5. When rubber extruder is running, it is forbidden to touch the rotating parts such as the feeding port, the discharging port, the belt, the gear, etc. by hand.
6. Lubricant should be injected before use to avoid damage to the rubber extruder.
Qingdao Huicai Machine Manufacture Co., Ltd developed a rubber extruder. Our products are very cost-effective and have guaranteed quality. Our quality inspectors will not miss any detail. If you also need this product, we look forward to your contact with us.