The special-shaped Flap Wheel is made of coated abrasive and the fins are arranged radially around the tool axis in a special shape, such as the pencil grinder flap wheel, interleaf flap wheel, and rotary tool flap wheel.
Their flexibility allows mounted flap wheels to be perfectly adapted to the contours of the workpiece.
Grit Size
40#, 60#, 80#, 100#, 120#, 150#, 180#, 240#, 320#, 400#, 600# (dimensions smaller then 15mm starts with 80#)
Raw Material
Coated Abrasive Clothes, Silicon Carbide, Aluminium Oxide, and Ceramic combined, Zirconia, etc, with different brands, e.g. Klingspor, Sait, Deerfos, NCA, 3M, etc)
Reducing wear and thermal load of the workpiece can be achieved by reducing contact pressure and speed (abrasive paste/oil can be used when appropriate)
In order to avoid unnecessary tool wear and thermal load, choose to switch to coarser-grit abrasive clothes instead of increasing contact pressure to increase cutting force
Increasing the cutting speed achieves a slightly finer surface.
Increasing the contact pressure makes the surface slightly more coarse and if you use the same grit size on soft or hard material the surface finish will look coarse on the softer material.
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