Rotational Direction Of Spindle; Change Of Feed Speed; Auto-Feed Of Spindle - Nambuk NRD - 1300 Product Manual

NB19-E01
The followings mark the revolutions and levers, and
the positions of the mono lever switch.
Transmi
RPM
Color ssion
60Hz 50Hz Lever
38 32 Black
60 50 Red
85 72 Black
130 105 Red
175 145 Black
245 205 Red
320 265 Black
460 380 Red
680 565 Black
1000 830 Red
1350 1130 Black
1975 1645 Red

6-7. Rotational Direction of Spindle

As the spindle motor will rotate either forward or
reverse by the mono lever switch and the spindle
can be rotated forward or reverse by the spindle
forward/reverse lever, the rotational direction of the
spindle will be as shown below according to the
switch and lever position.
Forward,
Mono Lever
Reverse Lever
Positions
Positions
H
a
H
b

6-8. Change of Feed Speed

After the lever is pulled up (high speed position),
the speed is changed into three stages of 0.33,
0.58, and 1.00 by the handle selection. If pulled
down (low speed position) and selected by turning
the handle, the speed will be changed into three
stages of 0.07, 0.13, and 0.23 and it is possible to
change the feed speed to 6-speed.
The feed speed is the amount of feed per one
rotation of the spindle.
Forward Mono
/Revers Lever
e Lever Switch
C J a
C H b
B J a
B H b
A J a
A H b
G J a
G H b
F J a
F H b
E J a
E H b
Spindle
Rotation
Direction
Reverse
J Forward
Forward
J Reverse
6-9. Auto Feed of Spindle
After the feed speed of the spindle is selected, when
the spindle feed lever is pulled and the auto feed lever
is pushed to the left-hand side, auto feed is enabled.
In order to stop auto feed manually, please return the
spindle feed lever to the manual feed position.
The manual feed of the spindle can be done by
placing the auto feed lever and the spindle feed lever at
the manual feed position and turning the spindle feed
lever counterclockwise by hand.
Products Manual
NRD-1300,1600
Nambuk Co., Ltd. 23