6. OPERATIONS AND DESCRIPTION
MEGAB2
6.
OPERATIONS AND DESCRIPTION
6.1
Material preparation
Caution & prevention
Please don’t load bar material, which is out of the spec range.
List1－The max length of material
Type
Mod
Max length mm (ft)
1240
1240
Bar length depends on spindle length.
1640
1640
Bar length depends on spindle length.
MEGA-580
The Straightness deviation of bar material must be less than 0.5mm/M.
6-1
6. OPERATIONS AND DESCRIPTION
6.2
Electric control diagram
6.2.1
Electrical Parts
MEGAB2
NO.
NAME
CODE
1
2
3
4
5
6
7
8
9
10
11
12
13
Zero point sensor S02
Servo Motor M1
Allow 1st load sensor of Bar gripper S03
Zero Point sensor of Bar gripper S05
Main Control Box
Sub control panel
Power switch S11
Control panel
Start button S343
Emergency stop button S341
Detective sensor S04
Motor (for Bar gripper) M2
Connector for Interface Cable
J310327+J310330
J221002
J310327+J310331
J310327+J310333
JVMEGA-020-1240
G91120016
J310511
J210502
J310705+J620206
J310704+J620205
J310327+J310332
230-000-0060
J410103+J410105
14
15
Safety switch S07
J311821
J311811
Safety switch S06
6-2
6. OPERATIONS AND DESCRIPTION
6.2.2
MEGAB2
Electric element diagram
NO
NAME
1
LEGRAND No Fuse Breaker C6-3P
2
LEGRAND Circuit protection C6-1P
3
LEGRAND Circuit protection C6-1P
4
5
6
7
8
9
10
11
12
13
14
Magnetic contactor DILM910GD516-24
Auxiliary contacts DIL A-XH140
Magnetic contactor DILM910GD516-24
Relay LY2J - DC24V
Relay Sockey STF - 08A
Relay LY2J - DC24V
Relay Sockey STF - 08A
Pulse conversion board
Mitsubishi PLC-3U48MR
Shihlin PLC Analogy Output module
Mitsubishi Servo motor driver 400W
Filter
FG
Main PC relay board
6-3
CODE
J310504
J310505
J310505
J312705
J312706
J312705
J310203
J310206
J310203
J310206
J220307
J210700
J220200
J221001
J220405
J631202
J511700
6. OPERATIONS AND DESCRIPTION
6.3
Operation
6.3.1
H/M function description
MEGAB2
6.3.1.1 H/M button
NO.
1
2
3
4
5
6
7
8
9
10
NAME
LCD Display
Shift
Function
ESC
Number key
Enter key
“Program Running” indicator
“Power” indicator
Bar feeder power ON S343 & H35
Emergency stop S341
6-4
6. OPERATIONS AND DESCRIPTION
MEGAB2
6.3.1.2 H/M Program selection：
Press the key according to the instruction showed on the display.
（1）
F1
：Page up
（2）
F2
：Page down
（3）
F3
：Back to the main menu
6.3.1.3 Input parameter Value：
（1） Input numbers from 0~9.
（2） Press
F9
, when the input is completed. If you want to discard the input
value, press
.
6.3.1.4 Function key F1~F9 Selection：
（1） By selecting F1~F3, please press these three keys directly.
（2） By selecting F4-F9, please press and hold
the keys you want.
6-5
Shift key, and then select
6. OPERATIONS AND DESCRIPTION
6.3.2
MEGAB2
Remote Control
6.3.2.1 Description of button and indicator LED
NO.
NAME
1.
FEEDER ALARM LED
2.
CYCLE START LED
3.
END OF BAR LED
4.
Auto start / Manual key
5.
Bar gripper forward key
6.
Push Bar backward key
7.
Bar gripper backward key
8.
Push Bar forward key
9.
Auto Ready key
10.
Emergency stop
11.
M CODE LED
12.
CHUCK OPEN LED
13.
Allow BAR CHANGE LED
6-6
6. OPERATIONS AND DESCRIPTION
MEGAB2
6.3.2.2 Operation
Bar feeder Power ON
1. Press
power switch button.
Start bar feeder (green light).
2. Manual operation
－Press
,
－Press
indicator light are off
for bar gripper forward / up.
－Press
for bar gripper backward / down.
－Press
for push bar forward.
－Press
for push bar backward.
3. Semi－auto operation mode
－Press
(
change to semi－auto ready mode
indicator light on,
indicator light off)
6-7
6. OPERATIONS AND DESCRIPTION
MEGAB2
6.3.2.3 Reference Point “0”Setting
－ Press
－ Change to manual mode
(
,
indicator light off).
1. Zero point setting of Bar pusher
－ Method 1. After restart of bar feeder, press
－ Method 2. Press and hold both
，
to perform Zero point setting,
for about 3 seconds.
－ By both method 1 or method 2, the bar pusher will retreat backwards and the display of bar
pusher position will show “0”.
－ The setting of “Bar pusher on zero point” is finished.
Indicator light is on.
2. Zero point setting of Bar gripper
－ Make sure the bar pusher is on the “0” point position.
－ Press and hold both
,
the Bar gripper will move to zero point.
－ The setting of “Bar pgripper on zero point” is finished.
Indicator light is on.
Before performs zero point setting, bar feeder must be switched to manual mode; users
have to make sure bar pusher is at zero point, otherwise bar feeder can’t execute the setting
procedure.
6.3.2.4 Automatic operation
－ Press
, to confirm automatic mode is ready (
－ Press
, to complete automatic mode (
indicator light on)
indicator light on).
－ After switch to automatic mode, bar feeder will automatically deliver bars according to
setted parameters.
6-8
6. OPERATIONS AND ILLUSTRATIONS
MEGAB2
6.4. Description of settings and parameter
6.4.1 HMI Program selection
1.
Press the key：
2.
Press the key：
3.
Press the key：
4.
Press the key：
5.
Press the key：
6.
Press the key：
7.
Press the key：
8.
Press the key：
9.
Press the key：
6-9
6. OPERATIONS AND ILLUSTRATIONS
6.4.2 Parameter picture driftage
6-10
MEGAB2
6. OPERATIONS AND ILLUSTRATIONS
6-11
MEGAB2
6. OPERATIONS AND ILLUSTRATIONS
6-12
MEGAB2
6. OPERATIONS AND ILLUSTRATIONS
MEGAB2
6.4.3 Parameter application
6.4.3.1 Turning parameter
Parameter description： This monitor can watch present working status at any time.
Watch item︰
1︰Push bar present position.
2︰Remain effective working length of material.
3︰Remain to wait for working quantities of work piece.
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1.24MGenerally value ：
Setting range ：
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1.64MGenerally value ：
Setting value ：
NO
Parameter description： The finished product length will be the workpiece length
adding the cutter thickness. This parameter setting may
affect the bar end setting.
Setting method：
For example：
Input the required length.
Workpiece 47mm + thickness of cutter 3mm = The finished
product length 50mm . So we will set finished finished
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product Length to be 50mm.
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1.24MGenerally value ：
Setting range ：
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1.64MGenerally value ：
Setting value ：
0~500
Parameter description︰This parameter setting will let feed material more stable and
ensure the material to be sent to request location. But if no
need to use this function that you can set it to be
“0”directly .
Setting method︰
This parameter will be finished product length to add 5 mm
automatically after finished product length setting. This
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parameter can also be set finished product length to add
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tolerance.
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Ex︰
Finished product length + Tolerance = Long feed safety
Refer to figure 1︰
1.24MGenerally value ：
Setting range ：
1.64MGenerally value ：
Setting value ：
6-13
0~550
6. OPERATIONS AND ILLUSTRATIONS
MEGAB2
Parameter description︰This parameter setting will let feed material more stable and
ensure the material to be sent to request location. But if no
need to use this function that you can set it to be
“0”directly .
Setting method︰
This parameter will be finished product length to deduct 5
mm automatically after finished product length setting.
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This parameter can also be set finished product length to
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deduct tolerance.
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Ex︰
Finished product length - Tolerance = Short feed safety
Refer to figure 1︰
1.24MGenerally value ：
Setting range ：
1.64MGenerally value ：
Setting value ：
( Figure 1 )
6-14
0~500
6. OPERATIONS AND ILLUSTRATIONS
MEGAB2
Parameter description：Chuck facing position is the distance between cutter facing
detection to cutter facing position.
We can not know if the
new bar material has been pushed to chuck facing position
until loading a new bar material. (as picture 2)
Setting method：
To measure the distance between chuck facing detection
position and cutter position after center adjustment.
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Ex︰
Reference figure 2,push the bar pusher to the turret(position
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A),if the value display on Man Machine is 1200mm, so that
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1700mm is the value of “Facing position”.
1.24MGenerally value ：
Setting range ：
1.64MGenerally value ：
Setting value ：
0~2500
( Figure 2 )
m
m
0
A 0
2
1
6-15
6. OPERATIONS AND ILLUSTRATIONS
MEGAB2
Parameter description︰The speed of the pusher during in automatic mode when lathe
chuck open.
Setting method︰
According to the bar material size and torque of chuck close
to adjust speed.
Note︰
When setting value is too high it could cause servo failure.
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1.24MGenerally value ：
Setting range ：
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1.64MGenerally value ：
Setting value ：
0~99
Parameter description︰The torque of pusher moves forward when automatic mode
and lathe chuck open.
Setting method︰
According to the bar material size and speed of chuck open to
adjust torque .
Note︰
When setting value is too high it could cause servo failure.
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1.24MGenerally value ：
Setting range ：
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1.64MGenerally value ：
Setting value ：
0~99
Parameter description︰The pusher speed of manual operation.
Setting method︰
According to the required speed and manual operation torque
to adjust speed.
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1.24MGenerally value ：
Setting range ：
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1.64MGenerally value ：
Setting value ：
6-16
0~99
6. OPERATIONS AND ILLUSTRATIONS
MEGAB2
Parameter description︰The torque of bar pusher moves forward in manual operation
mode.
Setting method︰
According to required torque and speed of manual operation
mode to adjust torque.
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1.24MGenerally value ：
Setting range ：
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1.64MGenerally value ：
Setting value ：
0~99
Parameter description： The first feeding block will require moving speed in a state
of first feeding.
Setting method︰
Input to require speed into the parameter of first feeding
speed.
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1.24MGenerally value ：
Setting range ：
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1.64MGenerally value ：
Setting value ：
0~99
Parameter description：The speed of the bar pusher pushes out remnant when
receiving bar end signal.
Setting method：
Input the required speed.
Note︰
Set actual speed to avoid crashing.
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1.24MGenerally value ：
Setting range ：
1.64MGenerally value ：
Setting value ：
6-17
0~99
6. OPERATIONS AND ILLUSTRATIONS
MEGAB2
Parameter description：The speed of pusher entering chuck means that the speed of
pusher pushes the new bar material to lathe chuck facing
position.
Setting method：
According to required speed and torque of entering chuck to
adjust speed.
Note︰
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Set actual speed to avoid crashing.
1.24MGenerally value ：
Setting range ：
1.64MGenerally value ：
Setting value ：
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6-18
0~99
6. OPERATIONS AND ILLUSTRATIONS
MEGAB2
6.4.3.2 Fixed parameter/ enter password“258”
Parameter description：If bar pusher position is less than setting value that pusher will
retreat to setting position when chuck close.
Setting method：
Input the required pusher retreating distance.
For example ：
If the value of parameter is set to 30mm and the bar pusher is
within the A area, the bar pusher will retract to 30mm after
chuck closed.
Reference figure 3：
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1.24MGenerally value ：
Setting range ：
1.64MGenerally value ：
Setting value ：
0~300
( Figure 3 )
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Parameter description：If bar pusher position is over than setting value that pusher
will retreat to setting position when chuck close. In order to
prevent friction and vibration caused from pusher going into
the lathe spindle too long.
Setting method：
By manual operation let the bar pusher move into the spindle
inside around 1 / 3 of its length. To ensure not to touch the
spindle and input the current position.
For example ：
If the value of parameter is set to 800mm and the bar pusher
is out of the A area, the bar pusher will retract to 800mm
after chuck closed.
Reference figure 3：
1.24MGenerally value ：
Setting range ：
1.64MGenerally value ：
Setting value ：
6-19
0~2000
6. OPERATIONS AND ILLUSTRATIONS
MEGAB2
Parameter description︰This position is the maximum working limit. If pusher
position value is bigger than bar end setting that bar feeder
will offer a bar end signal to notice lathe to prepare loading
new bar material
Setting Mode for fixed lathe︰In the manual mode let pusher into lathe spindle untill
5~10mm before lathe chuck . Then confirm the value
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of monitor to input it to be bar end position.
Ex︰
Reference figure 4, the distance of A is about 30 mm , C is
the parameter of “Bar End Position”. If the length of
product is 40 mm, the area of bar end range is 960 mm
to1000 mm.
1.24MGenerally value ：
Setting range ：
1.64MGenerally value ：
Setting value ：
( Figure 4 )
6-20
0~2000
6. OPERATIONS AND ILLUSTRATIONS
MEGAB2
Parameter description：This distance is the position that bar pusher pushes out the
remnant into the lathe.
Setting method：
Push the pusher to exceed chuck position 20mm by manual
operation. Then confirm the value showing in monitor and
input this value.
Ex︰
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Reference figure 5 ,the distance of B is about 20mm ; the
Position A is about 1200mm for the parameter of
“Remnant Push out position.
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1.24MGenerally value ：
Setting range ：
1.64MGenerally value ：
Setting value ：
( Figure 5 )
6-21
0~2000
6. OPERATIONS AND ILLUSTRATIONS
MEGAB2
Parameter description︰If the pusher can not push the new bar material to chuck
facing position because it is blocked or other reasons that the
pusher will have inching movement. But if it exceeds
setting frequency that bar feeder will Alarm17.
Setting method︰
Input the required frequency.
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1.24MGenerally value ：
Setting range ：
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1.64MGenerally value ：
Setting value ：
0~99
Parameter description︰The pusher will have inching movement when loading a new
bar material. Then set the pusher retreating distance to be
inching back distance.
Setting method︰
Input the required frequency.
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1.3MGenerally value ：
Setting range ：
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1.6MGenerally value ：
Setting value ：
0~300
1.8MGenerally value ：
Parameter description： Sets a length of time for the bar feeder to send a signal to
the lathe to rotate the spindle during bar change. This
parameter works with Impulse ON time.
Parameter description： Input required seconds.
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1.24MGenerally value ：
Setting range ：
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1.64MGenerally value ：
Setting value ：
6-22
0~10
6. OPERATIONS AND ILLUSTRATIONS
MEGAB2
Parameter description︰In automatic working mode , pusher pushes bar material into
lathe and chuck close to work. To ensure that material will
not move during the chuck close. Set the delay time for
bar pusher to chang the speed and torque .
Setting method：
Input the required time.
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1.24MGenerally value ：
Setting range ：
1.64MGenerally value ：
Setting value ：
0~10
Parameter description︰This setting is for S04 of the bar feeder to detect the position
of the opening of the lathe, which has not judged by bar
feeder. Please input indeed.
Setting method︰
Measure the length from SO4 to the end of spindle and input
it.
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1.24MGenerally value ：
Setting range ：
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1.64MGenerally value ：
Setting value ：
0~1200
Parameter Description︰The pre-feeding pusher will push the bar material forward
until the bar material can go into collet smoothly when bar
pusher is up.
Setting method：
Push pre-feeding pusher to stop position and input current
position .
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1.24MGenerally value ：
1520
Setting range ：
1.64MGenerally value ：
1920
Setting value ：
6-23
0~2000
6. OPERATIONS AND ILLUSTRATIONS
MEGAB2
6.4.3.3 System function/ enter password“258”
Parameter description︰“0：Normal”：
Normal working.
“1：One piece machining”：
Under working status, the bar feeder just can push
one time, the bar feeder will change bar. When the
chuck is open next time, the pusher bar will push the
new bar in of the spindle, then next working.
“2︰Sub-spindle Mode”︰
Under Auto working, when the chuck open, the
material pull out sub-spindle of the lathe, The
pusher bar won’t push, but the bar feeder will still
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calculate the end of bar position for change bar.
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1.24MGenerally value ：
Setting range ：
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1.64MGenerally value ：
Setting value ：
0~2
Parameter description︰“0：By Pusher”：
Under Auto working status, when the chuck is open
next time, pusher bar will push the remains out of
the spindle, then changing a bar.
“1：By New Bar”：
Under Auto working status, After the end of bar, bar
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feeder will change bar, When the chuck is open next
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time, the new bar will push the remains out of the
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spindle, then next working.
1.24MGenerally value ：
Setting range ：
1.64MGenerally value ：
Setting value ：
6-24
0~1
6. OPERATIONS AND ILLUSTRATIONS
MEGAB2
Parameter description︰The lathe gives a feeding signal to the bar feeder are two
modes:
1. Chuck Signal
2. M-Code.
If the interface of lathe and bar feeder only connect “Chuck
Signal”, please set for “0: M-Code No Use”.
If the interface of lathe and bar feeder connect “Chuck
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Signal” and “M-Code”, please set for “1: M-Code
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Use”.
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1.24MGenerally value ：
Setting range ：
1.64MGenerally value ：
Setting value ：
0~1
Parameter description︰The lathe gives a changing bar signal to the bar feeder are
two modes: 1. Chuck Signal
2. Permit to change bar
signal.
If the interface of lathe and bar feeder only connect
“Chuck Signal”, please set for “0: Permit to change
bar signal No Use”.
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If the interface of lathe and bar feeder connect “Chuck
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Signal” and “Permit to change bar signal”, please set
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for “1: Permit to change bar signal Use”.
1.24MGenerally value ：
Setting range ：
1.64MGenerally value ：
Setting value ：
6-25
0~1
6. OPERATIONS AND ILLUSTRATIONS
MEGAB2
Parameter description︰“0：Stop point”：
Under Auto working status, when the chuck is open,
the pusher bar will send the material to required finish
product length, at this time the cutter must be situated
in outer of the spindle to wait the material. When the
material has been sending to hit the cutter, bar feeder
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will wait the chuck to close.
“1：Position point”：
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Under Auto working status, when the chuck is open,
the pusher bar will send the material to required finish
product length, when the material arrives, the pusher
bar will stop the movement, awaiting the chuck to
close.
1.24MGenerally value ：
Setting range ：
1.64MGenerally value ：
Setting value ：
0~1
Parameter description：Set up this function especially for user in order to user can
record and save all present setting parameters. If need to save
parameter, please press enter parameter; If want to read the
saving parameter out, please press read parameter. It will be
covered with original saving parameter if new parameter was
saved every time.
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1.24MGenerally value ：
Setting range ：
1.64MGenerally value ：
Setting value ：
6-26
1~2
6. OPERATIONS AND ILLUSTRATIONS
MEGAB2
Parameter description： Controls the language of the information displayed：
0：Chinese
1：English
2：Simplified chinese
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1.24MGenerally value ：
Setting range ：
1.64MGenerally value ：
Setting value ：
0~2
Parameter description： To verify the version number of PLC and HMI programs.
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1.24MGenerally value ：
Setting range ：
1.64MGenerally value ：
Setting value ：
6-27
NO
6. OPERATIONS AND ILLUSTRATIONS
MEGAB2
6.4.3.4 Particular Function / enter password“258”
Parameter description： Set two modes to normally operate, if set the mode
to“0：ON-line mode”, bar feeder starts operating along
with lathe. If need bar feeder to cycle automatically without
connective, please set the mode for“1：Demo mode”.
Next page
1.24MGenerally value ：
Setting range ：
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1.64MGenerally value ：
Setting value ：
0~1
Parameter description︰This is the bar feeder required a bar end signal to send the
timing for CNC program, relative to the description of
sequence, please refer to the description of sequence of
movement signal in article 6.7.1.
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1.24MGenerally value ：
Setting range ：
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1.64MGenerally value ：
Setting value ：
0~3
Parameter description︰This is the bar feeder required a start signal to send the
sequence for CNC program, relative to the description of
sequence, please refer to the description of sequence of
movement signal in article 6.7.1.
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Next page
1.24MGenerally value ：
Setting range ：
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1.64MGenerally value ：
Setting value ：
6-28
1~5
6. OPERATIONS AND ILLUSTRATIONS
MEGAB2
Parameter description： Whew enter F2 mechanism parameter , you can choose the
password“use”or“disuse”.
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1.24MGenerally value ：
Setting range ：
Home page
1.64MGenerally value ：
Setting value ：
0~1
Parameter description： When enter F3 system parameter , you cam choose the
password“disuse”.
Previous page
Home page
1.24MGenerally value ：
Setting range ：
1.64MGenerally value ：
Setting value ：
0~1
Parameter description： This parameter allow technician to test each signal output
on interface is continued to lathe.
Setting method：
To executive this parameter must be under manual mode
both lathe and bar feeder or could cause danger.
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1.24MGenerally value ：
Setting range ：
1.64MGenerally value ：
Setting value ：
6-29
NO
6. OPERATIONS AND ILLUSTRATIONS
MEGAB2
Parameter description： Set the date and time of system to record data.
Home page
1.24MGenerally value ：
Setting range ：
1.64MGenerally value ：
Setting value ：
NO
Parameter description︰This function can shift the Logo on the screen of the man
machine.
Previous page
Home page
1.24MGenerally value ：
Setting range ：
1.64MGenerally value ：
Setting value ：
6-30
NO
6. OPERATIONS AND ILLUSTRATIONS
6.5
Circuit plate
6.5.1
Main circuit plate
1
2
3
4
5
6
7
MEGAB2
8
9
10
11
12
13
14
15
16
17
25
24
23
FUNCTION
22
21
20
19
NO. CODE
18
NO.
CODE
1
DB1
Manual box
14
S05
Zero Point detector of Bar gripper
2
MC1
Electromagnetic contact
15
S04
Cutting sense
3
DP2
Switch
16
S03
detector of Allow 1st load
4
EN1
Encoder signal transfer board
17
S02
Pusher origin signal
5
DP3
Human-Machine
18
JP1
Electric interface signal
6
O/1
PLC OUTPUT 1
19
JPD
Chuck open(a,b)contact
7
I/1
PLC INPUT 1
20
JPC
Change bar permission(a,b)contact
8
JP2
Main circuit & Interface signal
21
JPB
Feed stop(a,b) contact
9
O/2
PLC OUTPUT 2
22
IN2
Interface 2
10
I/2
PLC INPUT 2
23
IN1
Interface 1
11
A1
Servo Driver Alarm signal
24
SP1
Reserved
12
PW1
DC 24V
25
HL1
Reserved
13
S13
Reserved
6-31
FUNCTION
6. OPERATIONS AND ILLUSTRATIONS
6.5.2
MEGAB2
Remote control circuit plate
NO.
Function
Part NO.
1.
Emergency stop/ S344
J310702
2.
Paster
T16311300
3.
Top
G91120500
4.
PCB3
J511710
5.
Bottom
G91120600
6-32
6. OPERATIONS AND ILLUSTRATIONS
6.6
Electric circuit diagram
6.6.1
Main circuit
6-33
MEGAB2
6. OPERATIONS AND ILLUSTRATIONS
6-34
MEGAB2
6. OPERATIONS AND ILLUSTRATIONS
6.6.2
PLC INPUT
6-35
MEGAB2
6. OPERATIONS AND ILLUSTRATIONS
6-36
MEGAB2
6. OPERATIONS AND ILLUSTRATIONS
6-37
MEGAB2
6. OPERATIONS AND ILLUSTRATIONS
6.6.3
PLC OUTPUT
6-38
MEGAB2
6. OPERATIONS AND ILLUSTRATIONS
6-39
MEGAB2
6. OPERATIONS AND ILLUSTRATIONS
6-40
MEGAB2
6. OPERATIONS AND ILLUSTRATIONS
6.6.4
Servo circuit
6-41
MEGAB2
6. OPERATIONS AND ILLUSTRATIONS
6.6.5
Remote control
6-42
MEGAB2
6. OPERATIONS AND ILLUSTRATIONS
6.6.6
Interface signal
6-43
MEGAB2
6. OPERATIONS AND ILLUSTRATIONS
6-44
MEGAB2
6. OPERATIONS AND ILLUSTRATIONS
6-45
MEGAB2
6. OPERATIONS AND ILLUSTRATIONS
6.7
Working cycle
6.7.1 Working cycle of bar feeder
6-45
MEGAB2
6. OPERATIONS AND ILLUSTRATIONS
6.7.1
MEGAB2
Example of working cycle
NC 程式範例
Example
of NC program
圖
例
EXAMPLE
Working
工作循環
cycle
安裝送料機
安裝送料機 客戶車床的
M CODE
M CODE Instruction
時的 M指令 時的 M指令 指
令
成 品 車cut
削 Machine
成品車削 成
品車削
Machine
Machine
工件
切斷
work
piece
off
刀 塔moves
定位
Turret
to position
G 00 Z 0.3
M 11
M 00
;
( / G 00 . . . ) *
M 10
G 00 Z 0.3
M 11
M 70
;
;
( / G 00 . . . ) *
M 10
成 品 車cut
削 Machine
成 品 車 削 Machine
成品車削
Machine
工件
切斷
work
piece
off
Turret
刀 塔retreat
退開
Remnant
殘料頂出
ejected by
pusher
G 00 Z 0.3
M 11
M 00
;
/ G 00 100.
G 00 Z 0.3
M 11
M 70
;
;
/ G 00 100.
第 一a次new
送料
Feed
將into
新棒材
bar
spindle
送入主軸
/ G 04 U1.
/ G 04 U1.
刀 塔moves
定位
Turret
to position
G 00 Z 0.5
/ M01
M10
G 00 Z 0.5
/ M70
M10
成品車削
Machine
6-46
成 品 車 削 Machine
成品車削
6. OPERATIONS AND ILLUSTRATIONS
6.8
MEGAB2
Alarm message
6.8.1 H/M alarm message
Message
ERROR／CAUSE
By auto machining, the
length of bar feeded is
longer than the value of
“Long feed Safety”.
By auto machining, the
length of bar feeded is
shorter than the value of
“Short feed Safety”.
Solution
※ Please check the value of “long
feed safety”.
※ Check turret whether is on
correct position to stop bar
material or not.
※ Please check the value of “short
feed Safety”.
※ Check turret whether is on
correct position to stop bar
material or not.
S04 may be blocked by
unidentified objects.
※ Please refer to (6.2.1), to check
whether S04 is blocked by
unidentified objects.
By auto machining, there is
no more materials in the
magazine or in spindle.
※ Please check whether the bar
feeder magazine is empty and
there is no more material under
machining.
By auto machining, bar
feeder receives alarm
signal from CNC.
※ Before continue machining,
please solve alarm of CNC.
※ Please check whether the start
signal was sent from bar feeder
of lathe is closed while bar
or is it correct with CNC’s
feeder is feeding new bar.
sub-program.
By auto machining, chuck
6-47
6. OPERATIONS AND ILLUSTRATIONS
Message
MEGAB2
ERROR／CAUSE
Solution
Pusher bar can not back to
the “0” point by retreating,
※ Remove unidentified object.
while unidentified object
blocks its channel.
※ Please check whether the CNC
sub-program is correct, whether
By auto machining, the bar
the stroke of axis Z is enough to
pusher can’t push remnant
push remnant out.
out of spindle.
※ Check whether the value of
“Remnant push out” is correct
setted. Refer to( page6.4.3).
Start signal released, but
Timeout! While new bar is
CNC does not start new
※
loaded and on position, bar
working cycle.
feeder will send start signal
※
to CNC, but the chuck does
not close.
Please check interface signal
sent by R5 Relay.
Check whether CNC receives
signal from R5 Relay.
※ Please check the setting of
“length of facing position”. (Safty
Bar material can not arrive
to facing position.
Position set-up)(6-15)
※ Refer to (page 6.4.2).
Bar Material does not
arrive to facing position.
※ Check the alarm No. on LCD
Please refer to 6.8.2 Server
display of servo. If it is unnormal,
Alarm List.
please inform technician the
alarm code for trouble shooting.
6-48
6. OPERATIONS AND ILLUSTRATIONS
Message
ERROR／CAUSE
By auto machining, bar
feeder is Standby, it will
not accept any manual
Bar feeder is not in AUTO
command.
mode, while CNC is
maching.
The value of Encoder is
incorrect.
The push bar is not on
correct position.
The forward position of
pusher bar is over the
position of remnant push
out.
Push bar can not move
MEGAB2
Solution
※ Check whether CNC is
machining, bar feeder should be
switched to auto status,
otherwise bar feeder will not feed
material.
※ Please refer to the description
how to reset to reference point in
paragraph (6.3.2.2).
※ Check whether there is bar inside
of spindle.
※ Find a longer bar to change.
Pusher bar does not move
※ Check whether there is
forward, while pusher bar
something blocking the bar.
execute 1st load.
forward by 1st load.
Pusher bar does not
retreat backward, after
pusher bar complete 1st
Push bar can not move load.
backward after 1st load.
※ Check whether there is
something blocking the bar.
The button of emergency ※ Pease loose Emergency stop
stop was activated.
button.
6-49
6. OPERATIONS AND ILLUSTRATIONS
No primary
found.
setting
MEGAB2
is ※ Pease reload primary setting
values.
No Primary value is
setted
New bar material is too
long
By 1st loading, the bar
※ Please check whether the setting
feeder detects the new bar
of “facing position” is correct.
is too long.
※ Check the length of new bar.
6-50
6. OPERATIONS AND ILLUSTRATIONS
Message
ERROR／CAUSE
MEGAB2
Solution
※ Please check the motor of bar
The bar gripper did not
gripper.
arrive zero point in 5
※ Please Check function of S05
seconds.
sensor.
The safety cover is not
closed.
※ The safety cover must be closed
by auto machining mode.
Cover is not closed
The power of motor is not ※ Please turn on the power of
on.
motor, refer 6.3.2.2.
Motor is not switched on.
Push bar did not leave
zero point, while chuck
※ Please Check function of S02
has opened for bar
sensor or servo motor is defect.
feeding, longer than 10
sec.
By manual mode, the bar
※ Please check the motor of bar
gripper can not reach its
gripper or S05, S03 Sensoris
position, time out longer
defected.
than 8 sec.
Upper limit SO3 and
down limit SO5 error!
Push bar is not on 0 point.
The up limit sensor and
down limit sensor of bar
gripper is shutted down.
※ Check SO5 or S03 sensor.
Bar pusher is not on ref.
point by auto mode. Bar
gripper does not have
reaction.
※ Cheek SO2 sensor.
6-51
6. OPERATIONS AND ILLUSTRATIONS
6.8.2
MEGAB2
Servo alarm message
LIST OF SERVO DRIVER ALARM
ALARMS
WARNINGS
Display
Name
AL. 10
AL. 12
AL. 13
AL. 15
AL. 16
AL. 17
AL. 19
AL. 1A
AL. 20
AL. 24
AL. 30
Under voltage
Memory error 1
Clock error
Memory error 2
Encoder error 1
Board error
Memory error 3
Motor combination error
Encoder error 2
Main circuit error
Regenerative error
AL. 31
Overspeed
AL. 32
Overcurrent
AL. 33
Overvoltage
AL. 35
Command pulse frequency alarm
AL. 37
Parameter error
AL. 45
AL. 46
AL. 50
AL. 51
Main circuit device overheat
Servo motor overheat
Overload 1
Overload 2
AL. 52
AL. 8A
AL. 8E
88888
AL. E0
AL. E1
Error excessive
Serial communication time-out error
Serial communication error
Watchdog
Excessive regenerative load warning
Overload warning
AL. E6
Servo emergency stop warning
AL. E9
Under voltage warning
6-52
6. OPERATIONS AND ILLUSTRATIONS
6-53
MEGAB2
6. OPERATIONS AND ILLUSTRATIONS
6-54
MEGAB2