MachineryHouse C6241, Instruction Manual

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4-6 Transmissions and Stop of Gear Box
Open the end side cover of Headstock, you will find a gear train transmit the power
from Headstock to Gear Box. Shift Forward/Reverse Lever (4) to right side, it runs
forward, or to left side, reversely, or it stops if you shift it to the middle position.
Never change speed while machine is running.
4-7 Operation of Gear Box
1. Cutting Threads
A special designed gearbox, you need not to use back gears to proceed threading.
Please refer to gearbox cutting feed table and shift to appro preate Thread Feed
Select Lever (5)(6)(7) respectively then you may obtain required specification.
2. Auto Feed
The selection of Auto Feed should be coordinated with the cutting speed and feed
speed. Please refer to cutting table and select proper feed speed and follow the
instruction plate to shift thread Feed Select Lever (5)(6)(7).
4-8 Manual Operations
Firstly shift the Half Nut Engaged Lever (18) of Apron and Forward/Reverse Lever
(4) to “N” position, then you can arbitrarily operate Longitudinal Apron Hand-wheel
(13) Cross Slide Handle (14) and Compound Rest Hand-wheel (32). It feeds 17mm
per revolution of Apron Hand-wheel. The dial on Cross Slide and Compound Rest is
graduated 0.02mm per division and feeds 4mm per revolution.
Release Tool Post Clamping Lever (36) and you can revolve the Tool Post
anticlockwise then fix it. In order to lock the Apron, only screw up the Saddle Set
Screw (20). If there is any backlash in between Cross Slide and Compound Rest, just
to screw up the set screws on the both ends of the sloping plate.
4 - 8
Page 22 Instructions Manual for CL-40A (L600) 01/09/2017