ZhangJiaGang Antron Machinery,Co.,Ltd

Maintenance method of recycled plastic twin-screw granulator

Maintenance method of recycled plastic twin-screw granulator


The recycled plastic twin-screw granulator has the characteristics of three kinds of equipments: crushing, extruding and granulating. When recycling soft plastics (ie, film, woven bag, packaging bag), it can be directly recycled and granulated without separate crushing. The recycled plastic twin-screw granulator can recover soft plastic and hard plastic, which fundamentally solves a big problem for many plastic recycling manufacturers. At present, in the same industry, the recycling of soft plastic and hard plastic must use two production lines. This not only increases the procurement cost of the equipment, but also recycles the plastic twin-screw granulator, which also plagues the production floor space and reduces labor costs. The recycled plastic twin-screw granulator can be single-screw or twin-screw (flat double, cone double) according to user requirements or returning characteristics, and the style can be single-stage or double-stage.
Recycled plastic twin-screw granulator can be used to plasticize granulated polyethylene (PE), polypropylene (PP), polystyrene (PS), polyvinyl chloride (PVC), PET, abs and other engineering plastics or general plastics for recycling and granulation. .
The main body of the recycled plastic twin-screw granulator is equipped with a dewatering device, which can directly process waste plastic with water. The main unit is equipped with a fully automatic control cabinet, which is easy to operate and has stable performance. The recycled plastic twin-screw granulator has low energy consumption, remarkable energy saving effect, high output and mechatronics. The waste woven bag does not need to be dismantled, does not need to be trimmed, does not need to be broken, and can be directly put into the main machine for production. The waste film can be directly granulated without crushing.
What are the maintenance methods for recycling plastic twin-screw granulators? How to maintain the recycled plastic twin-screw granulator?
1. The recycled plastic twin-screw granulator should be placed in the ventilation position when not in use to ensure the heat dissipation of the motor and prolong its life; the recycled plastic twin-screw granulator should be well grounded.
2. The recycled plastic twin-screw granulator needs to check the tool screws regularly. After using the new machine for 1 hour, use the tool to fasten the moving knife, fix the knife's screw, and strengthen the fixing between the blade and the tool holder; the bearing should be filled regularly. Lubricating oil to ensure the lubricity between the bearings; the purpose of this is to ensure the sharpness of the cutting tool. Of course, the tool should be inspected frequently to ensure its sharpness and reduce the unnecessary damage of other components due to the blunt blade; It is very necessary to check whether the recycled plastic twin-screw granulator belt is slack. If it is found that there is no tightening, it should be adjusted in time.
3. Re-start of recycled plastic twin-screw granulator - before the second start, the remaining material in the machine room should be removed to reduce the starting resistance. The inertia cover and the pulley cover of the recycled plastic twin-screw granulator should be opened periodically to remove the ash outlet under the flange, and the powder discharged from the crusher chamber enters the shaft bearing.
4, replacement parts - when changing the tool, the gap between the moving knife and the fixed knife: 20HP or more crusher 0. 8MM is better, 20HP below the crusher 0. 5MM is better. The thinner the regrind, the larger the gap can be.

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