HK UPPERBOND INDUSTRIAL LIMITED
HK UPPERBOND INDUSTRIAL LIMITED
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Super Slim Low honing Alloy Grinding Wheel
Alloy Grinding Wheel is a component of cigarette making machines to sharpen cutting knives.
Specs
| Model | Surface | Outer Diameter | Machine Model | Object |
| UBG-03 | Frosted | 70mm | Mark8 | Long Knife |
| UBG-04 | Frosted | 80mm | Mark8 | Long Knife |
| UBG-05 | Frosted | 70mm | Mark9 | Long Knife |
| UBG-07 | Frosted | 80mm | Mark9 | Long Knife |
| UBG-09 | Screw | 70mm | Mark8 | Long Knife |
| UBG-10 | Screw | 80mm | Mark8 | Long Knife |
| UBG-11 | Screw | 70mm | Mark9 | Long Knife |
| UBG-12 | Screw | 80mm | Mark9 | Long Knife |
Wheel grade
From A (soft) to Z (hard), determines how tightly the bond holds the abrasive. A to H for softer structure, I to P for moderately hard structure and Q to Z for hard structure. Grade affects almost all considerations of grinding, such as wheel speed, coolant flow, maximum and minimum feed rates, and grinding depth.
Material Hardness
The abrasive aggregate is selected according to the hardness of the material being cut.
Aluminum oxide (A)
Silicon carbide (S)
Ceramic (C)
Diamond (D, MD, SD)
Cubic boron nitride (CBN)
Grinding wheels with diamond or CBN grains are called superabrasives. Grinding wheels with aluminum oxide (corundum), silicon carbide, or ceramic grains are called conventional abrasives.
Manufacture
Today most grinding wheels are artificial composites made with artificial aggregates, but the history of grinding wheels began with natural composite stones, such as those used for millstones.
The manufacture of these wheels is a precise and tightly controlled process, due not only to the inherent safety risks of a spinning disc, but also the composition and uniformity required to prevent that disc from exploding due to the high stresses produced on rotation.