The role of PAF in the consolidation process of abrasive
The PAF bonds the abrasive to the surface of the abrasive to act as a binder. The material used for the binder must have sufficient bond strength to prevent the abrasive from falling off or damage the surface of the workpiece; and at the same time have sufficient toughness to be lower than the axial and radial forces generated during the grinding process. In addition, the PAF is able to quickly derive the heat generated on the workpiece to keep the workpiece cool and cool, thereby preventing oxidation; and the chemical contact of the PAF with the surface of the workpiece also enhances the abrasive performance of the process.
Advantages of PAF relative to cryolite
Cryolite has also been used as a filler, but PAF has an advantage over cryolite: PAF has better thermal conductivity than cryolite, as explained earlier in the relevant patents of the 1960s. In addition, PAF has a low melting point and is better than cryolite in the fracture of reinforced glass fibers.
Other advantages of using PAF
PAF is low cost and is not classified as dangerous. There are fewer restrictions on transportation, storage and material processing.
PAF for those abrasive products
PAF is used as an active filler or active coating component in bonded abrasive and coated abrasive products to enhance product performance. According to feedback from a manufacturer of a hundred impellers, the use of PAF materials on the one hand improves the performance of the product while reducing the amount of abrasive used by approximately 65%.
Commercially available PAFs currently available are prepared using 99.7% pure primary aluminum; stoichiometry, particle size distribution, humidity, and pH are all required. (Compile: China Abrasives Network)
Today, mining is an industry that relies heavily on mechanical and electrical machinery. Mines are extreme environments that can either be very cold or hot as a desert and most of the work is done below sea level. All this can take a toll not only on people but also the machines involved in the mining process.
It is important to use thermal cameras in a mining environment because if visible light or digital cameras are used for monitoring they will miss out on any potential defects as mining environments are often very dusty. Thermal can see through dust and smoke due to their infrared wavelength, meaning that it is able to detect any heat energy through most environmental conditions.
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