Feed Table, Table For Thread Cutting; Cross Feed, Longitudinal Feed Engagement Lever - Optimum OPTI turn TU 3008G Operating Manual

4.10.3 Feed table, table for thread cutting

The tables are built up in a way that you may later on assemble the
required combination to cut a thread without having to look up the
details. Ligature as orientation for the caming of one toothed wheel
to the following one. The identifier "H" stands for bushing or a
small toothed wheel as an auxiliary distance. This smaller toothed
wheel as an auxiliary distance must of course not be camed in with
any other toothed wheel.
The lowest gearwheel is moved using the spacer (bushing), see
position 13 on the parts drawing.
The designation a b c of the change gear table designates the
position of the selector lever on the feed gear.
4.11

Cross feed, longitudinal feed engagement lever

ATTENTION!
Damage to mechanical parts. The automatic feed is not designed to move onto
mechanical stops or the mechanical end of the headstock.
The automatic feed and the feed for thread cutting are activated and deactivated using the
engagement lever.
The automatic feed for turning is performed with the feed rod.
The feed for thread cutting is performed with the lead screw.
Img.4-7:
Operation
Version 1.1.6 - 2021-9-17
Cross feed and longitudinal feed engage-
ment lever
Threading engaging lever
Apron
Translation of original instruction
TU3008G GB
33