Thread Based On Inch System; Module And Diametral Threads - Optimum OPTiturn TH4610D Betriebsanleitung

Turn selector switch to position 7

4.18.2 Thread based on inch system

Img.4-20: Tables for thread-cutting Inch thread

4.18.3 Module and diametral threads

INFORMATION
The position of the change gear wheels must be changed for the production of module and

diametral pitch. Exchange, change of position of the change gears on page 160
In countries where the Anglo-American system of measurement is used, its inverse is used as a
"diametrical pitch" (D.P.) with the unit 1 inch instead of the module.
MP
Img.4-21: Table for modular threads
Version 1.0.6 - 2022-5-17

Detach the clamping screw at the lathe saddle.

„Img.4-29: Lathe saddle tightening screw" on page 163

Activate the automatic feed by the engaging lever thread cut-
ting.

Move the hand wheel of the lathe saddle a little in order to
facilitate the locking of the engaging lever.
Translation of original instruction
TH4610 | TH4615 | TH4620 EN
159