Jet geared head engine lathe - 12 speeds - 13" x 40" model- gh-1340w-3 User Guide
18
Automatic Feed Operation and Feed
Changes
Changes
1. Move the forward/reverse selector (A, Fig.
20) up or down depending on desired
direction.
direction.
2. Set selector levers (A, B, C, & D, Fig. 21) to
desired rate.
3. Note: for feeding, lever (D) will be set at "F"
or "D", depending on desired feed rate.
Powered Carriage Travel
1. Push lever (B, Fig. 20) to the left and down
to engage crossfeed.
2. Pull lever to the right and up to engage
longitudinal feed.
Thread Cutting
1. Set forward/reverse lever (A, Fig. 20) up or
down depending on the desired direction.
2. Set selector levers (A, B, C, and D, Fig. 21)
to desired rate.
Note: For threading, lever (D) will be set at
"C" or "E", depending on desired thread.
"C" or "E", depending on desired thread.
3. Push lever (B, Fig. 19) to the right.
4. Engage the half nut lever (C, Fig. 20).
5. To cut inch threads, reference the feed and
thread tables. The half nut lever and the
threading dial are used to thread in the
conventional manner. The thread dial chart
specifies at which point a thread can be
entered using the threading dial.
threading dial are used to thread in the
conventional manner. The thread dial chart
specifies at which point a thread can be
entered using the threading dial.
6. To cut metric threads, the half nuts must be
left continually engaged once the start point
has been selected and the half nut is initially
engaged (thread dial cannot be used).
has been selected and the half nut is initially
engaged (thread dial cannot be used).
Figure 20
Figure 21