Usage and hardness of polishing hemp wheel
Polishing hemp wheel, as the word suggests, is a wheel made of hemp cloth called a hemp wheel, which is one of the commonly used materials in polishing machines. Polishing hemp wheels can be produced according to the scale provided by customers in daily use; Of course, it also depends on the quality requirements of the workpiece raw materials and products, and cannot be generalized. For example:
If the hardness of the workpiece raw material is low, it can be rough ground, and the grinding quality requirements are not very high, which can be used for polishing, etc. The cutting materials for polishing hemp wheels are generally: twill cotton cloth, plain cotton cloth cutting; It is made by sewing and has strong grinding force.
Cloth wheels are divided into thread and wheel, sheet wheel and gluing wheel. Thread and wheel are made with foam alkali, bone glue, or special yellow cloth wheel adhesive dipped in emery sand and used with polishing soap to polish the workpiece in the early stage. According to the different quality requirements of the workpiece, different sizes of hemp wheels are selected. Cloth wheels are used for polishing the workpiece in the later stage, while sheet wheels need to be combined with polishing soap to treat the workpiece.
Firstly, the motor power of the polishing machine determines the size of the polishing wheel, and it is necessary for the motor shaft to match the aperture of the polishing wheel; Then, place the polishing hemp in the center of the shaft and tighten it with a wrench to ensure even surface linear velocity of the polishing wheel in order to achieve the best polishing effect. Therefore, if a too large polishing wheel is used with a smaller motor, the linear velocity will decrease significantly during polishing, and the polishing effect will be affected.
The hardness is determined by the spacing of the suture, and the smaller the spacing of the polished hemp wheel suture, the higher the hardness; In order to make the polishing wheel softer, attention should be paid to maintaining a sufficient gap between the stitching and the wheel edge during production; The ones that are not sewn are outside. In application, specifications can be produced according to the scale provided by customers; In order to achieve the best application effect of polishing the hemp wheel, the polishing cloth wheel required by the polishing machine should be manufactured in accordance with the requirements in terms of raw materials and size.
It is particularly important to note that when polishing large workpieces, polishing wheels with special air-cooled equipment should also be used.
Article source: Polishing wheel manufacturer http://www.jm-nanhua.com/
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