Acer Supra 2040PD, Operation Manual

Page: 61 / 238

818~2040PD
7
2A
After automatic grinding, the spindle may raise to
a fixed position according to the value set by the
display (41).
5. Once downfeed amount reaches the value
shown on the display (43), the machine will
perform intermittent spark out grinding according
to the value shown on the display (36).
2-2: Other auxiliary controls:
1. The keys (13&14) provide forced direction
change forward / backward.
2. The key (7) is used for controlling slow raising.
3. The keys (9&10) are used for intermittent
downfeed.
2B
CROSS JOG FEED
AUTOMATIC SURFACE
GRINDING
1: When the 4A lamp lights on , following motions can be
performed:
1. Hydraulic drive longitudinal feed by using key
(24).
2. Spindle drive by using key (22).
3. Cross movement controlled by keys (11, 12, 13
and 14).
4. Cross movement by handwheel control.
5. The key (7) controls slow raising.
6. The key (10) allows for controlling intermittent
downfeed.
2-1: When the 3A lamp lights on, following motions can
be performed:
1. Hydraulic drive longitudinal feed by using key
(24).
2. Spindle drive by using key (22).
3. Automatic continuous cross feed (The regulators
20 and 21 are used for controlling feed speed).
4. Automatic downfeed grinding and spark out
grinding. (It performs downfeed motion at the
front and rear fixed position, and performs coarse
grinding according to the value shown on the
display (34). When the current value shown on
the display (33) reaches the setting value shown
on the display (42), the machine will then perform
fine grinding according to the value shown on the
display (35). Once the current value shown on
the display (33) reaches the setting value shown
on the display (40), the machine will perform
several times of spark out grinding according to
the value shown on the display (37). After
grinding has achieved your setting size, stop the
hydraulic system, spindle running and coolant,
etc. The spindle may raise or not according to
setting the selection key (38). After automatic
grinding, the spindle may raise to a fixed position
according to the value set by the display (41).
5. Once the downfeed amount reaches the value
shown on the display (43), the machine will
perform intermittent spark out grinding
according to the value shown on the display
(36).
2-2: Other auxiliary controls:
1. The keys (3&4) provide forced direction change
forward / backward.
2. The key (7) is used for controlling slow raising.
3. The keys (9&10) are used for intermittent
downfeed.