Machinery's Handbook, 31st Edition
1306
DIAMOND WHEELS Table 3. Designations for Location of Diamond Section on Diamond Wheel ANSI B74.3-2003 (R2014)
Designation No. and Location
Description
Illustration
1 — Periphery The diamond section shall be placed on the
periphery of the core and shall extend the full thickness of the wheel. The axial length of this section may be greater than, equal to, or less than the depth of diamond, measured radially. A hub or hubs shall not be considered as part of the wheel thickness for this definition.
2 — Side The diamond section shall be placed on the side of the wheel and the length of the diamond section shall extend from the periphery toward the center. It may or may not include the entire side and shall be greater than the diamond depth measured axially. It shall be on that side of the wheel which is commonly used for grinding purposes. 3 — Both Sides The diamond sections shall be placed on both sides of the wheel and shall extend from the periphery toward the center. They may or may not include the entire sides, and the radial length of the diamond section shall exceed the axial diamond depth.
4 — Inside Bevel or Arc
This designation shall apply to the general wheel types 2, 6, 11, 12, and 15 and shall locate the diamond section on the side wall. This wall shall have an angle or arc extending from a higher point at the wheel periphery to a lower point toward the wheel center. This designation shall apply to the general wheel types, 2, 6, 11, and 15 and shall locate the diamond section on the side wall. This wall shall have an angle or arc extending from a lower point at the wheel periphery to a higher point toward the wheel center. The diamond section shall be placed on the periphery of the core but shall not extend the full thickness of the wheel and shall not reach to either side.
5 — Outside
Bevel or Arc
6 — Part of Periphery
7 — Part of Side The diamond section shall be placed on the side of the core and shall not extend to the wheel periphery. It may or may not extend to the center. 8 — Throughout Designates wheels of solid diamond abrasive section without cores.
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