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4-49
CHAPTER 4 Adjustment
8-2
Adjusting the belt tension (R6YXX1200)
Adjust the Z-axis and R-axis timing belts of the R6YXX1200 with the proce-
dure below.
1) Prepare the necessary tools.
• Push-pull scale
• Stay (See Fig. 4-17. This stay should be prepared by the user.)
• Hex wrench set
• Phillips-head screwdriver
• Scale
2) Turn off the controller.
3) Place a sign indicating the robot is being adjusted, to keep others from
operating the controller switch.
4) Enter the safeguard enclosure.
5) Remove the Y-axis arm front cover and side cover.
Refer to "7 Removing the Robot Covers" in Chapter 4 for removing the
covers.
6) Remove the bolts (M4×10L, 4 pieces) and then remove the harness clamp
stay from the Y-axis arm. (See Fig. 4-19.)
7) Prop the spline or end effector with a support stand to prevent the Z-axis
from dropping (when adjusting the Z-axis belt tension).
8) Adjust the belt tension by two people as follows.
Using the push-pull scale, one person applies a load perpendicular to the
middle of the belt. The other person checks the slack of the belt. (See Figs.
4-16 and 4-17.)
9) The correct load to be applied to the belt of each robot model and the
resulting slack are shown in Tables 4-6 and 4-7. When the load producing
the specified slack is within this range, no adjustment is required. If not,
adjust the tension with the following procedure.
(1) Z-axis belt adjustment
1. Loosen the bolt 1 shown in Fig. 4-19.
2. If the load producing the slack specified in Table 4-6 (step 7) above) is
smaller than the specified range, move the Z-axis motor in the direction
increasing the tension. If the load is greater than this, move it in the di-
rection reducing the tension. Then, retighten the bolt.
3. Recheck the belt tension using the same procedure in step 7). When the
load applied to produce the specified slack is within the specified range
of Table 4-6, the adjustment is okay. If not, repeat the above procedure
from steps 1 to 3.
WARNING
IF THE Z-AXIS PULLEY COMES OFF THE Z-AXIS BELT, THE Z-AXIS
DROPS CAUSING A HAZARDOUS SITUATION. TURN OFF THE
CONTROLLER AND BE SURE TO PROP THE Z-AXIS WITH A SUPPORT
STAND BEFORE BEGINNING ADJUSTMENT.
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...