c900773.R02_EN.pdf - 第46页
3 Mechanical Section 3-6 Nozzle When obstacles such as solder paste are stuck to or clogged in the nozzle, the suct ion becomes weak. Existence of such obstacles on the nozzle tip also pr events t he vision processing fr…
3 Mechanical Section
3-5
■Checking the Nozzle for Clogging
With nozzles placed in the head, turn ON the suction to check the air pressure. “Choke Threshold” has been
assigned to each nozzle. The air pressure must be below the threshold. If not, the nozzle will be considered
to be clogged and an error occurs. (The “standard open value” given in the table below is obtained from
measurement of the open value of each nozzle (brand new nozzle) and must be used as a reference.)
Nozzle type
Standard open value (reference) Nozzle clog criteria
(mmHg) (MPa) (mmHg) (MPa)
P005 Less than 50
0.007
以下
300 0.040
P006 Less than 50
0.007
以下
300 0.040
P012
190
～
240 0.025
～
0.032
350 0.047
P013
50
～
90 0.007
～
0.015
300 0.040
P017
200
～
240 0.040
～
0.047
420 0.056
P018
50
～
90 0.007
～
0.015
300 0.040
P019
50
～
90 0.007
～
0.015
300 0.040
P020
50
～
90 0.007
～
0.015
300 0.040
P050
580
～
640 0.078
～
0.085
540 0.072
P051
500～540 0.067～0.072
540 0.072
P052
350～400 0.047～0.053
460 0.061
P053
50～90 0.007～0.015
350 0.047
P054
50～90 0.007～0.015
300 0.040
P055
50～90 0.007～0.015
300 0.040
P056
50～90 0.007～0.015
300 0.040
P057
50～90 0.007～0.015
300 0.040
P061
450～520 0.060～0.069
510 0.068
P062
110～160 0.015～0.021
350 0.047
P063
50～90 0.007～0.015
300 0.040
P072
50～90 0.007～0.015
350 0.047
P073
50～90 0.007～0.015
300 0.040
P030
580
～
640 0.078
～
0.085
600 0.068
P031
480
～
560 0.064
～
0.075
510 0.068
P032
440
～
490 0.059
～
0.065
450 0.060
P033
300
～
350 0.040
～
0.047
420 0.056
P034
190
～
240 0.025
～
0.032
350 0.047
P042
440
～
490 0.059
～
0.065
450 0.060
NOTE: 1mmHg=133.322Pa=0.00013332MPa
To maintain the designed accuracy and component-placement rate of the machine, clean the air passage
between the air filter assy. and nozzle holder periodically.
ACTION: With no nozzles placed on the head, blow an air by air blower from the nozzle placement cuff or filter
mounting air tube.
● Cleaning Interval
Approx. once a month
3 Mechanical Section
3-6
Nozzle
When obstacles such as solder paste are stuck to or clogged in the nozzle, the suction becomes weak.
Existence of such obstacles on the nozzle tip also prevents the vision processing from correctly recognizing
smaller components. Clean the nozzle in order to avoid these troubles.
■ Nozzle Cleaning with Air Blow
Clean the tip of the nozzles with alcohol and then blow away obstacles and dust with an air blower (more
than once a week). When choking error occurs, also clean the nozzle in the same way.
Be careful not to apply alcohol to identification marks. Quickly wipe off if
applied.
■ Nozzle Cleaning Using Wire (1)
Normally, cleaning the nozzles with the air blow may be sufficient, but use a wire to clean the nozzles when
obstacles and dirt are firmly stuck on them.
NOTE: Before cleaning the nozzle by using a wire, the O-ring and the nozzle filter inside the nozzle must be
removed. Cleaning the nozzle with a wire without removing them may result in the damage or loss of them.
After the nozzle is cleaned, make sure to re-install them using a special tool.
NOTE: For a description of how to remove/install the O-ring and nozzle filter, refer to “Removing O-ring and
Nozzle filter” and “Attaching O-ring and Nozzle filter” given later in this manual.
Take care not to get injured with the fine wire when cleaning the nozzle.
ACTION:
① Have a wire ready.
(300mm length, 0.1mm diam. Part No. KV8-M8887-00X)
② Remove the O-ring and nozzle filter from the nozzle.
③ Pass the wire through the nozzle hole.
④ Wind to fasten the wire between both ends of the nozzle cleaner assy.
(Part No. KV8-M8881-A0X)
Nozzle
Wire
3 Mechanical Section
3-7
⑤ Move the nozzle back and forth to clean the nozzle hole.
⑥ Remove the wire and blow some air into the nozzle hole.
■ Nozzle Cleaning Using Wire (2)
Fix both ends of the wire with an adhesive tape as shown below and move the nozzle back and forth to clean
the nozzle hole. In this case, the adhesive may remain on both ends of the wire. Be sure to clean the wire
ends before pulling out the wire from the nozzle.
■ Check of Suction Pad (Nozzle No. P017, P018, P019, P020)
Check to make sure that a rubber suction pad on the nozzle tip is free from scratches and cracks. When
scratches and cracks are found on the pad, replace it with a new one.
ACTION: Remove the old pad, apply silicon grease to the inner surface of a new pad, and then install it to the nozzle.
Part Name
Part No. Remark
RUBB.PAD17 LG0-M77A0-00X Suction pad for P017 nozzle
RUBB.PAD18 LG0-M77A1-00X Suction pad for P018 nozzle
RUBB.PAD19 LG0-M77A2-00X Suction pad for P019 nozzle
RUBB.PAD20 LG0-M77A9-00X Suction pad for P020 nozzle
GREASE SILICON LG0-M89AB-00X Silicone Grease
■ Applying Silicon Grease
After the nozzle is cleaned, it must be coated with silicon grease.
Nozzle Cleaner
Assy.
Adhesive Tape