Wide Belt Sanding

General Woodworking Reference Charts

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Woodworking Grit Sequences for Wide Belt Sanding

Variables for selection of proper grit sequence include knowing the surface roughness before sanding, the type of wood and shape of workpiece and the desired final finish.

Possible Sequence #1	24	50	80	120	150	180	220
Possible Sequence #2	24	60	100	150	180	220	-
Possible Sequence #3	36	60	100	150	180	220	-
Possible Sequence #4	40	80	120	150	180	220	-

Wood & Grit Sequence

This table reflects standard 2 head set up.

Oak Veneer	120	150
Walnut Veneer	120	180
Mahogany & Veneer	150	220
Cherry Veneer	150	220
Solid Oak	80	120

Stock Removal and Depth of Scratch for Wide Belt Sanding Operations

Values listed here are averages only, based on sanding hardwoods with a three-head wide belt sander.

Average Stock Removal (Depth of Cut)

Grit Size	Depth of Cut
36	.060" - .045"
60	.035" - .045"
80	.020" - .030"
100	.015" - .020"
120	.010" - .012"
150	.006" - .008"
180	.004" - .005"
220	.003" - .004"

Average Depth of Scratch

Grit Size	Depth of Scratch
36	.028" - .030"
60	.025" - .022"
80	.015" - .018"
100	.010" - .012"
120	.008" - .010"
150	.005" - .006"
180	.004" - .005"
220	.003" - .004"