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Vitrified Tool Grinding Wheel

Genuine Taiwan Anchor vitrified bonded tool grinding wheels adopt standard abrasives including WA white fused alumina, RA pink chrome corundum, SA single crystal alumina and GC green silicon carbide. Three mainstream profiles 6A, 11A and 12A are available with standard 31.75mm bore, covering outer diameters of 100/125/150/180mm. It features sharp cutting edge, low risk of workpiece thermal burn during grinding, stable profile retention and high dynamic balance accuracy. Customized for tool grinders to resharpen HSS cutters, drills, gear hobs and carbide tools. All wheels pass rotary safety inspection, perfectly suitable for mass tool regrinding and finish machining in precision workshops.

1. Abrasive Material Classification & Application Standard

Official Anchor Abrasive Parameter Table

Abrasive Category Code Color Performance & Application Scope
Aluminum Oxide WA White High friability, low grinding heat, for precision grinding of alloy steel, quenched steel and tool steel
Aluminum Oxide RA Rose Red Higher toughness than WA, ideal for heat-treated steel, internal grinding and gear cutter sharpening
Aluminum Oxide SA (32A) Off-white Single crystal grain with balanced hardness and toughness, for heavy stock removal grinding of all tool steels and high-toughness alloy steel
Silicon Carbide GC Green Hard and brittle texture, specially for tungsten carbide, superhard alloy, SKD11 mold and mirror finish grinding

2. Three Standard Wheel Shapes & Grinding Applications

2.1 Type 6A Straight Recessed Wheel

Adopts flat surface with inner recess structure. Mainly used for peripheral clearance grinding and flute back-off grinding of straight shank end mills and twist drills. It guarantees uniform grinding allowance and high smoothness of tool flank face.
2.2 Type 11A Tapered Bevel Wheel
Sloped tapered working surface, applied for drill point thinning, tool chamfering and relief angle grinding of forming cutters. It can accurately control cutting edge angles to meet high-precision tolerance requirements.
2.3 Type 12A Dish Flange Wheel
Thin dish-shaped profile, the most widely used style for gear cutter tooth profile forming grinding, hob tooth relief grinding and edge finishing of complex special-shaped cutting tools.

3. Complete Standard Dimension Specification Tables

Table 1: Dimension for 6A Grinding Wheel

Outer Dia D Thickness T Bore H Width W
100mm 50mm 31.75mm 10-13mm
125mm 50mm 31.75mm 10-13mm
150mm 50mm 31.75mm 13-16mm

Table 2: Dimension for 11A Grinding Wheel

Outer Dia D Thickness T Bore H Width W Depth E
100mm 50mm 31.75mm 6mm 13mm
125mm 50mm 31.75mm 10mm 13mm
150mm 50mm 31.75mm 13mm 13mm

Table 3: Dimension for 12A Grinding Wheel

Outer Dia D Thickness T Bore H Depth E Length K
125mm 13/16mm 31.75mm 8mm 65mm
150mm 16/19mm 31.75mm 8/10mm 75mm
180mm 19mm 31.75mm 11mm 90mm

4. Core Product Strengths

  1. Stable vitrified bonding agent, no deformation or cracking under high-speed rotation, excellent safety performance;
  2. Precisely calibrated dynamic balance before delivery, low vibration during grinding to greatly improve tool sharpening accuracy;
  3. Good self-sharpening property, not easy to be clogged or glazed under long-time continuous heavy-load grinding;
  4. Universal 31.75mm center hole, compatible with all mainstream tool grinder models in the market;
  5. Complete abrasive and size options, one-stop selection for different material tool regrinding demands.

5. Standard Operation & Safety Notes

  1. Conduct 2 minutes no-load running test after installation before formal grinding work;
  2. Do not apply excessive grinding pressure, avoid wheel breakage or thermal annealing of tool cutting edges;
  3. Use diamond dresser to dress the grinding surface timely when the wheel surface is passivated or loaded with chips.