Feed char t explained – Smithy GN1300 User Manual
Page 68
Step 7: Tension the belts by rotating the tension lever on the motor all the
way up. Tighten the bolt on the gear quadrant to lock the quadrant and the
reduction pulley in place.
Step 8: Reassemble the lathe/mill selector arm and tighten the cap screw to
secure the selector shaft in place.
Feed Char t Explained
Before setting the feed rates, it is important to know how to correctly read the
feed rate and threading chart found on the headstock of your Granite 1300
series machine.
The chart is comprised of six vertical sections (one header and five data
sections) and four horizontal sections (one header and three data sections).
Section 1 is headed by the symbol at the left. The meaning is
“Do NOT change selector handle positions while the
machine is running”. Please stop the machine while changing
feed directions, gear selections, feed-rate selections, etc.”
Figure 8.5 Low Range Belt Setting
Figure 8.4 Loosen the bolt of the speed reduction pulley bracket
when installing belts for the low speed
Low Speed
Range
Motor
8: Speeds & Feeds
8-5
Or Visit www.smithy.com