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Technology > Saddle Stitcher Unit > Controlling the Phase of the Crescent Roller
Technology > Saddle Stitcher Unit > Controlling the Phase of the Crescent Roller
Controlling the Phase of the Crescent Roller
If alignment was executed with the crescent roller in contact with the stack of sheets, the
resulting friction against the roller causes the stack to move inappropriately.
To prevent this problem, the phase of the roller is identified and used to determine the timing
of alignment.
The phase of the crescent roller is identified by the crescent roller phase sensor (PI12).
The flag for the crescent roller phase sensor is mounted to the crescent roller shaft.
The flag will leave the sensor while the roller shaft rotates, turning the sensor ON or OFF,
enabling the assumption that the crescent roller is positioned at the opposite side of the stack.
The alignment plates are operated to correspond with this change in the state of the sensor.
Crescent roller
phase sensor (PI12)
Flag
Alignment plates
M1
Crescent roller
Stack
Feed motor
F-2-51
Alignment plates
Crescent roller
Sensor flag
Crescent roller
phase sensor (PI12)
If the crescent roller was
in contact with the stack,
alignment opera-tion
could be obstruct-ed.
Alignment operation
is started when the
flag has covered the
sensor and the
crescent roller is
Crescent roller phase
sensor (PI12)
First sheet
Second sheet
Feed motor
stops
Alignment operation
Feed motor (M1)
F-2-52
F-2-53
F-2-54
Содержание J1
Страница 4: ...Blank Page ...
Страница 8: ...Safety Precautions Notes Before it Works Serving Points to Note at Cleaning ...
Страница 10: ...1 1 Product Outline Product Outline Features Specifications Names of Parts Optional Construction ...
Страница 58: ...3 3 Periodic Servicing Periodic Servicing List of Work for Scheduled Servicing ...
Страница 99: ...5 5 Adjustment Adjustment Outline Basic Adjustment Adjustment at Time of Parts Replacement ...
Страница 133: ...Appendix Service Tools General Circuit Diagram ...