Linear weigher maintenance

The purpose of linear weigher maintenance is to ensure the accuracy of packaging machinery and equipment requirements and normal operation, but also to extend the service life of the packaging machine. Linear weigher common maintenance mainly includes the maintenance of the friction side, the coupling parts, and the fastening parts of the regular inspection. Here to look at these specific aspects of maintenance!

Here is the content list:

l Always keep the friction surface clean

l Cleaning lubrication system

l Gap adjustment for friction parts

l Seal ring pressure adjustment

l Regular inspection of the coupling and fastening parts

Always keep the friction surface clean

Due to the friction vice in the linear weigher work when the contact surface wear often has a fine metal chip bonded to the surface, as well as the work environment is not clean, there are also dirty or dust accumulates on the friction surface, accumulated over time, such as not timely cleaning will damage the surface finish of the friction vice, serious damage to the entire linear weigher parts, especially in the linear weigher high-speed operation will be due to the increase in friction resistance to produce friction heat Rapidly increase, thus accelerating the wear and tear, destroying the friction pair. Therefore, it is very important to clean the friction pair frequently or regularly. Commonly used cleaning agents are alcohol, gasoline, paraffin, diesel. In the cleaning method, the first parts will be immersed in the cleaning agent, and then wash with a brush.

Cleaning lubrication system

To reduce friction surface wear, generally should be good lubrication. Due to the linear weigher operating conditions, the working environment, and the influence of impurities in the lubricant, easy to make the lubrication system of the oil hole pipeline blockage or oil supply device damage. Therefore, to ensure the normal work of the linear weigher lubrication system, too often clean, unclog the linear weigher oil hole, pipeline, etc., and the oil cup, etc. to inject good lubricating oil. To ensure the normal work of the linear weigher lubrication system, it should be cleaned frequently, unclogged oil holes, pipelines, etc., and the oil cups, etc. should be filled with good lubricating oil.

Gap adjustment for friction parts

For some linear weigher friction parts, to achieve a more ideal contact state, the gap between the contact surface can be adjusted. Linear weigher delivery, these gaps have generally been adjusted, but the linear weigher after some time due to load, vibration, and other reasons so that the gap will change, to ensure that the contact accuracy requirements must be adjusted. Such as the slide (block) and the gap between the guide rail to be adjusted by the movement of the cage iron (inlay), round can roller bearing axial, radial runout clearance, can be adjusted by the bearing outer ring of the pressure plate in the axial movement.

Seal ring pressure adjustment

Often used linear weigher sealing ring is generally skeleton or no skeleton rubber sealing ring. Its main function is to seal oil and dust. Due to long-term friction, the contact surface will have different degrees of wear and tear, and the sealing ring itself will be loose, which will affect the sealing effect of the linear weigher. Therefore, by tightening the pressure screw, the pressure on the sealing ring should be increased, so that the gap between the sealing ring and the shaft surface can be reduced, thus playing the role of sealing.

Regular inspection of the coupling and fastening parts

A complete linear weigher is made up of various parts connected by the organic assembly, and each part is connected by various parts through bolts, nuts, keys, and other fasteners assembly. After the linear weigher has been in operation for some time, the components are subjected to different loads and forces. Therefore, these parts in the joint will also appear loose, if not timely inspection and tightening or fastener exchange, will damage the linear weigher. So, it is quite important to check the linear weigher coupling parts frequently.

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