M1_ServiceManual_e.pdf - 第31页
3 Mechanical Section 3-7 Cleaning Nozzle Recognition Stickers Dirt on nozzle ID/presence stick ers can be a cause of vision recog nition failure. Regu larly clean th e nozzle ID/presence stick ers. ACTION: ① Clean the st…
3 Mechanical Section
3-6
Nozzle Recognition Stickers
Labeling a Nozzle ID Sticker to a Nozzle
ACTION:
① Wipe off oil, dust, or water from the upper side of the nozzle flange with alcohol.
② Slide the ring of the labeler until the groove in the labeler shaft appears.
③ Peel off the sticker from its slip sheet using tweezers.
④ With the sticker’s adhesive side upward, align the sticker’s angle mark to the ring’s positioning mark.
Set the sticker into the ring, being careful not to touch the sticker’s adhesive side.
⑤ Make sure the sticker is properly placed in the ring.
⑥ Insert the nozzle upside down into the hollow of the labeler shaft, while aligning the nozzle cutoff to the
ring’s positioning mark.
⑦ Push up the labeler shaft so that the sticker sticks to the nozzle flange.
Nozzle
Cutoff
Nozzle ID sticker
Positioning mark
Ring
Groove
Shaft
Labeler for
nozzle ID sticker
Angle mark
3 Mechanical Section
3-7
Cleaning Nozzle Recognition Stickers
Dirt on nozzle ID/presence stickers can be a cause of vision recognition failure. Regularly clean the nozzle
ID/presence stickers.
ACTION:
① Clean the sticker with cotton swab soaked with alcohol.
② Wipe off the remaining alcohol on the sticker with dry cotton swab.
NOTE: Particularly the nozzle ID stickers are liable to get dirty. If a nozzle ID sticker becomes too dirty to be
cleaned, replace it with new one.
NOTE: The nozzle ID/presence stickers are easily peeled off when they get wet. Be sure to dry them with cotton
swab whenever they get wet.
3 Mechanical Section
3-8
Head Choke / Nozzle Choke and Solenoid Valve Failure
Perform the following checkups about once a week.
■ Solenoid Valve Failure
A dust or dirt may be caught in the switching valve of solenoid valves, which causes the air to leak. And the
leaking air may cause the [Suction OFF] state to be the [Suction ON] state. This problem will increase the
possibility of remaining components on the head.
● Checkup by "Manual > Air Pressure"
(1) Checking maximum air pressure
Press your finger on the tip of the head with "Vacuum On" state, then check the air pressure. The normal
value is 550 or more.
(2) Checking head choking
Check the air pressure without a nozzle on the head. The normal value is less than 120. If the value is 120 or
more, the error occurs at the time of nozzle changes. The normal value is about 90.
(3) Checking nozzle choking
Check the air pressure with a nozzle on the head. "Choke Threshold" is specified for each nozzle. If the value
is larger than the specified one, the nozzle choke error occurs.
(4) Checking failure in switching valve
Check to see if the air pressure changes with the [Suction OFF] state.
- Press your finger on the tip of the head/nozzle, and check if the air pressure varies.
- Switch the ON/OFF state several times and check if the air pressure varies.
If the pressure varies when the solenoid valve is in the OFF state, there may be an air leakage.
NOTE: To check the air pressure precisely, you need to use a digital pressure gage.