Page 566 - Master Catalog 2017, Inch

™
TopGroove
Machining Guidelines

Machining Guidelines for Poly-Vee Grooving with Custom Solution
and TopGroove NV Inserts (NV3-J and NV4-L)

• To machine cross section “J”, use insert NV3-J.
• To machine cross section “L”, use insert NV4-L.

Section J Section L

groove pitch
width P
distance between
centers of terminal grooves

groove depth R 1 R 2

pitch diameter S N = number of grooves

Groove Dimensions and Tolerances for Sheaves

pitch groove minimum distance between centers
groove width depth radius radius terminal of terminal grooves and maximum
cross section (P) (G) (R2) (R1) distance accumulated tolerance
.092 .087 .0125 (N-1).092
J .008 1/8
±.001 ±.005 ±.0025 ±.010
.185 .201 .0125 (N-1).185
L .015 3/8
±.002 ±.005 ±.0025 ±.010

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