A.L.M.T. Corp.

Display of wheel size and shape

Example of wheel size label

Straight wheel
Φ150Outside
diameter
5TGrain layer
width
3XGrain layer
thickness
Φ25.4HMounting hole
diameter
Straight wheel
Cup wheel
Φ150Outside
diameter
3WGrain layer
width
5XGrain layer
thickness
Φ40HMounting hole
diameter
Cup wheel

Identification Method of Wheel shape

The shape labelling method of the super abrasive wheel is specified by "Japan Industrial Standard JIS B 4141."

Identification Method of Wheel shape
1Standard Body Shape
Standard Body Shape
2Cross Sectional Shape of Abrasive Layer
Cross Sectional Shape of Abrasive Layer
3Abrasive Layer Position & symbol Reference to B
Abrasive Layer Position & symbol Reference to B
4Modification & symbol
Modification & symbol

Standard Wheel Shape 1

1A1Straight
  • Straight
  • Straight
3A1/14A1Straight with Boss
  • Cutting
  • Cutting
1F1/1FF1Straight with R
  • Straight with Boss
  • Straight with Boss
1EE1/1E6QV Face
  • Cutting Saw
  • Cutting Saw
1Q1/1L1Chipbreaker
  • Straight with R
  • Straight with R
1DD6YCentering
  • Straight with Angle
  • Straight with Angle
1A1RCutting
  • V Face
  • V Face
1A1RSSCutting Saw
  • One side V Face
  • One side V Face
1V1Straight with Angle
  • Chipbreaker
  • Chipbreaker
4B2One side V Face
  • U-shaped Straight
  • U-shaped Straight
9U1U-shaped Straight
  • Centering
  • Centering
1FF6Y/1EE6Y/1LL6Y/1DD6YPencil Edge
  • Pencil Edge
  • Pencil Edge

Standard Wheel Shape 2

6A2Plain Cup
  • Plain Cup
  • Plain Cup
11A2/11B2Flair Cup
  • Segment Cup
  • Segment Cup
6A9/11V9Corner Cup
  • Flair Cup
  • Flair Cup
11V2SWedge-shaped Segment Cup
  • L-Shaped Flair Cup
  • L-Shaped Flair Cup
3A2Core Drill
  • Corner Cup
  • Corner Cup
3F2Curve Generator
  • Dish
  • Dish
6A2SSegment Cup
  • Wedge-shaped Segment Cup
  • Wedge-shaped Segment Cup
11C9/11Y9L-Shaped Flair Cup
  • Both side Cup
  • Both side Cup
12A2Dish
  • Core Drill
  • Core Drill
9A3Both side Cup
  • Chamfering
  • Chamfering
3V2TChamfering
  • Curve Generator
  • Curve Generator
WInternal with Shank
  • Internal with Shank
  • Internal with Shank
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