KE-750_MS.pdf - 第16页
4. Magnescale Replacement – For method of adjustment & tension settings, refe r to QA Table, X-Y Unit, XY-7, Magnescale / Fastening position / Clearance. 5. Limit Sensor Replacement (1) X-axis limit Right X frame end…
(2) Y Motor
SL6051492TNx4
(Tightening torque
9Nm)
Y-axis motor
KM000000020
YM bracket
E2305725000
YM bracket assy
SM8053002TP
SN6050001SC
Parallel
pins
SL6061642TN
(Tightening
torque 15Nm)
SL6061642TN
(Tightening torque 15Nm)
YA pulley bracket assy
– Loosen lock nut NM6050001SC and
SM8053002TP.
– Remove 4 screws SL6061642TN fastening
YM bracket assy Y frame and remove
bracket.
– Replace motor as shown in the diagram
while taking care to note motor & bracket
positioning. (Assemble so that motor cable
faces bracket motor mounting face.)
– Remove pulley M and ETP bush above
motor axis and replace. (Refer to separate
section for mounting & disassembly of ETP
bush.)
– Mount belt on pulley, insert parallel pin into
slot and provisionally tighten screws
SL6061642TN.
– Regulate belt tension. Refer to the QA Table,
X-Y Unit, XY-1, XY Belt Tension for Timing
Belt XA.
1-9
4. Magnescale Replacement
– For method of adjustment & tension settings, refer to QA Table, X-Y Unit, XY-7, Magnescale /
Fastening position / Clearance.
5. Limit Sensor Replacement
(1) X-axis limit
Right X frame end
SM7860801SC
SL5020892TN
(Tightening torque 1Nm)
E2435725000
X limit bracket
SL5020892TN
(Tightening torque 1Nm)
SM7860801SC
E2435725000
X limit bracket
Left X frame end
– Remove sensor SM4860801SC from X-limit bracket and replace.
(2) Y-axis limit
– Remove sensor SM4860801SC from Y-limit bracket and replace.
E2324725000
Y limit bracket
Linear motion
guide rail
For replacement & adjustment of both left & right sensors, refer to the QA Table, X-Y Unit, XY-9,
Limit sensor positioning" under XY Unit, XY-9 in the QA table.
1-10
6. Home Sensor Replacement
(1) X home sensor
– Home sensor is mounted in the X-axis frame. Remove screw to replace.
– After replacement, move home sensor back and forth until it is 1mm +2/0 from the magneswitch
magnet located on the back of the head plate.
X-MSC bracket
Magneswitch
magnet
X home sensor
(Accessory screw)
E94907250A0
X home sensor
Left X frame end
(2) Y home sensor
– Remove screws SL4040801SC in Y-ORG bracket which hold sensor and replace.
– Refer to heading "Home sensor positioning" under XY Unit, XY-8 in the QA list for details on
positioning after replacement.
SL4040801SC
SL6040892TN
E2323725000
Y-ORG bracket
1-11