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4-5
CHAPTER 4 Adjustment
3-2
Machine reference
The X series position detectors are resolvers that have four positions where
absolute reset can be performed per motor revolution. If the sensor method is
used for the absolute reset, the origin position will be set at the positions where
absolute reset can be performed soon after the origin sensor reacts to the dog
(the origin signal is detected). The machine reference means the position rela-
tionship of the position where the robot detects the origin signal to the position
where the absolute reset can be performed soon after detection. (See Fig. 4-1.)
The machine reference is expressed with the ratio of interval A to interval B
shown in Fig. 4-1. Interval A is the minimum distance between the positions
where absolute reset can be performed and interval B is the distance between
the position where the origin signal is detected and the position where absolute
reset can be performed soon after the origin signal detection. The machine ref-
erence value is displayed on the optional PB screen. (Unit: %)
Machine reference value = B/A
×
100(%)
Machine reference
Origin signal detection
Origin signal
Resolver
Positions where absolute reset
can be performed
One motor revolution
B
A
ON
OFF
Machine reference display
MANUAL
50%
[ S0H0]
Machine reference
( %)
M1= 51 M2= 57 M3= 51
M4= 52
POINT ORIGIN VEL+ VEL−
R-axis
X-axis
Y-axis
Z-axis
PB
Fig. 4-1
CAUTION
THE MACHINE REFERENCE MUST BE ADJUSTED WITHIN A SPECIFIED
RANGE TO KEEP THE REPEATABILITY PRECISION OF THE ABSOLUTE
RESET POSITION. (THE MACHINE REFERENCE IS FACTORY-ADJUSTED
PRIOR TO SHIPPING.) IF THE ORIGIN POSITION IS CHANGED, THE
MACHINE REFERENCE MUST BE READJUSTED. FOR INFORMATION
ON HOW TO ADJUST THE MACHINE REFERENCE, REFER TO "3-4
CHANGING THE ORIGIN POSITION AND ADJUSTING THE MACHINE
REFERENCE" IN CHAPTER 4. WHEN THE TEMPERATURE OF THE
ROBOT JOINT SECTIONS IS HIGH IMMEDIATELY AFTER THE ROBOT
HAS BEEN OPERATED, THE MACHINE REFERENCE VALUE MIGHT BE
OUTSIDE THE SPECIFIED RANGE (40 TO 60%). WHEN CHECKING OR
ADJUSTING THE MACHINE REFERENCE VALUE, ALWAYS MAKE SURE
THAT THE TEMPERATURE OF THE ROBOT JOINT SECTIONS HAS
RETURNED TO ROOM TEMPERATURE.
RECOMMENDED MACHINE REFERENCE VALUE: 40 TO 60%
Содержание R6Y Series
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Страница 31: ...CHAPTER 2 Functions 1 Robot Manipulator 2 1 2 Robot Controller 2 4 3 Robot initialization number list 2 5...
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Страница 53: ...3 13 CHAPTER 3 Installation Fig 3 7 Ground terminal Ground symbol M4 Ground terminal...
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Страница 144: ...4 36 CHAPTER 4 Adjustment Z axis mechanical stopper L L Fig 4 10 R6YXH250 to R6YXH400 Fig 4 11 R6YXX1200...
Страница 150: ...4 42 CHAPTER 4 Adjustment End effector R Y X z Fig 4 13 Positions for affixing the stickers...
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Страница 203: ...CHAPTER 6 Increasing the robot operating speed 1 Increasing the robot operating speed 6 1...
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Страница 215: ...7 3 CHAPTER 7 Specifications 1 2 External view and dimensions Fig 7 1 R6YXH250...
Страница 216: ...7 4 CHAPTER 7 Specifications User tubing 1 f4 black User tubing 2 f4 red User tubing 3 f4 blue...
Страница 217: ...7 5 CHAPTER 7 Specifications Fig 7 2 R6YXH350...
Страница 218: ...7 6 CHAPTER 7 Specifications...
Страница 219: ...7 7 CHAPTER 7 Specifications Fig 7 3 R6YXH400...
Страница 220: ...7 8 CHAPTER 7 Specifications X and Y axis mechanical stopper positions 1 5 Working envelope 1 5...
Страница 221: ...7 9 CHAPTER 7 Specifications Fig 7 4 R6YXX1200...
Страница 222: ...7 10 CHAPTER 7 Specifications...
Страница 223: ...7 11 CHAPTER 7 Specifications 1 3 Robot inner wiring diagram Fig 7 5 R6YXH250 R6YXH350 R6YXH400...
Страница 224: ...7 12 CHAPTER 7 Specifications Fig 7 6 R6YXX1200...
Страница 225: ...7 13 CHAPTER 7 Specifications 1 4 Wiring table Robot cable wiring table...
Страница 226: ...7 14 CHAPTER 7 Specifications...
Страница 229: ...7 17 CHAPTER 7 Specifications Motor wiring table Motor X Y Motor Z R...
Страница 230: ...7 18 CHAPTER 7 Specifications Resolver wiring table Resolver X Y Resolver Z R...