(Part A) Machinerys Handbook 31st Edition Pages 1-1484

Machinery's Handbook, 31st Edition

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GRINDING WHEELS Table 4. Grinding Wheel Recommendations for Hardened Tool Steels According to their Grindability Operation Wheel or Rim Diameter, Inches First-Choice Specifications Second-Choice Specifications

Table 4. (Continued) Grinding Wheel Recommendations for Hardened Tool Steels

Cutter sharpening Straight wheel

… Wet FA46-L5V FA60-K8V … Dry FA46-J8V FA60-H12VP … Dry FA60-J5V FA60-G12VP … Dry FA46-K5V FA60-G12VP … Wet FA46-L5V FA60-J8V

Dish shape Cup shape

Form tool grinding

8 and smaller 8 and smaller 10 and larger 14 and less 16 and larger

Wet FA60-K8V to FA120-L8V Dry FA80-K8V to FA150-K8V Wet FA60-K8V to FA120-L8V Wet FA60-L5V SFA60-L5V Wet FA60-K5V SFA60-K5V Wet FA80-L6V SFA80-L6V Wet FA70-K5V SFA70-K5V Wet FA60-J8V SFA60-J7V Wet FA54-J8V SFA54-J8V Dry FA80-I8V SFA80-K7V Dry FA70-J8V SFA70-J7V Dry FA60-I8V FA60-G12VP Dry FA54-I8V FA54-G12VP Wet FA60-I8V FA60-G12VP Dry FA60-H8V FA60-F12VP Wet FA60-H8V SFA60-I8V Wet FA46-G8V FA46-E12VP Wet FA46-G8V FA46-E12VP 2 inches, go one grade softer in

Cylindrical

Centerless Internal

… Wet FA60-M5V SFA60-M5V

Production grinding

Under 1 ∕ 2

2 to 1

1 ∕

Over 1 to 3

Over 3

Tool room grinding

Under 1 ∕ 2

2 to 1

1 ∕

Over 1 to 3

Over 3

Group 3 Steels

Surfacing

Straight wheels

14 and smaller 14 and smaller

Over 14

2 rim or

1 1 ∕ less

Segments or Cylinders

Cups

3 ∕ 4 rim or less

(for rims wider than 1 1 ∕ available specifications)

Cutter grinding

Straight wheel

… Wet FA46-J8V FA60-J8V … Dry FA46-I8V FA46-G12VP … Dry FA60-H8V FA60-F12VP … Dry FA46-I8V FA60-F12VP … Wet FA46-J8V FA60-J8V

Dish shape Cup shape

Form tool grinding

8 and smaller 8 and smaller 10 and larger

Wet FA80-K8V to FA150-L9V Dry FA100-J8V to FA150-K8V Wet FA80-J8V to FA150-J8V

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