By adjusting the position of front and back to change the tension when working, to prevent the plate belt from shaking.
Product Description
There are several signs that may indicate that a printing press roller needs to be replaced. Here are some common indicators:
Surface damage: If you notice cracks, chips, or other surface damage on the roller, it may be time to replace it. Surface damage can affect the quality of your prints and cause further problems down the line.
Uneven wear: Uneven wear on the surface of the roller can indicate that the roller is out of balance or misaligned. If left unaddressed, this can lead to further problems and affect the quality of your prints.
Loss of elasticity: Over time, the elasticity of the roller may deteriorate, affecting its ability to transfer ink or toner to the paper. If you notice that the roller is no longer able to transfer ink or toner evenly, it may be time to replace it.
Excessive noise: If you hear excessive noise or grinding when the roller is in use, it may indicate that the bearing or shaft is worn and needs to be replaced.
Decreased print quality: If you notice a decline in the quality of your prints, it could be a sign that one or more rollers are worn or damaged and need to be replaced.
In general, if you notice any of these signs, it is a good idea to have the roller inspected by a professional to determine if it needs to be replaced. By replacing rollers in a timely manner, you can prevent further damage and ensure that your printing press continues to produce high-quality prints.
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