How to avoid the soft film phenomenon of cutting film

 Cutting discs can cut metal, wood, ceramics, glass and other materials, covering almost the entire hardware industry, and play a pivotal role in the industry. But sometimes due to the influence of some reasons, Shandong cut sheet will produce soft film. How should we avoid this phenomenon?

1. If the factory environment is not suitable for making resin grinding wheels, install an air conditioning system to ensure that the room temperature is not higher than 20°C. If the air-conditioning system cannot be installed, you can ask the phenolic resin supplier to adjust some technical indicators (mainly adjust the gelation time of the phenolic resin) to adapt to the hardening conditions.

2. The difference between phenolic resin and fillers used in cold press molding and hot press molding should be fully considered in formula design. The formula design of Huawo cutting grinding wheel requires that in addition to the appropriate binder ratio, the scientific matching of filler varieties and the rational use of filler ratio must be fully considered. When designing the formula, it is necessary to fully consider the influence of the density of the grinding wheel on the production of film, and it is recommended to increase the density of the grinding wheel appropriately.

3. In the period when film is more likely to appear, liquid phenolic resin with volatile phenol and low moisture content should be used, and powdered phenolic resin with low free phenol and short flow length should be used. The grinding wheel filling material increases the sieving process and is used after drying if necessary. Reduce the use of waxy release agents such as paraffin, and use a release agent with a high volatilization temperature if necessary.

Cutting discs are widely used in our lives due to their impact resistance, high tensile strength, and bending resistance, so we should try to avoid the phenomenon of soft films, so as not to affect our use due to the phenomenon of soft films in Shandong cutting discs.

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