Epson LS20 Series User Manual

Maintenance 13. Calibration
LS20 Rev.4 157
Calibration Using Right / Left Arm Orientations
(1)
Check the point data for calibration
Use
a point you can easily verify the accuracy within the work envelop of
both right
and left arm
. Then, check the number of points you want to use.
(2)
Open the Tools menu | Robot Manager | Control Panel and click the MOTOR ON.
(3)
Click the
<Free All> button
to free all joints from servo control. Now, you can move
arms by hands.
(4)
Move the arms to the position of point data for calibration in
rightly arm orientation.
(5)
From the current position, teach any point data number unused.
This
point is now called P1.
Specify the point number
“1” and click the <Teach> button in the [Jog & Teach].
(6)
Click
the Lock All in the [Control Panel] to lock all joints under servo control.
(7)
Switch to the lefty arm orientation. Then, move the arm to the same point.
>Jump P1/L:Z(0) ' Change the arm orientation from righty to lefty
Z is the maximum position
* If there is interference on the way from right to lefty, click the Free All in the
[Control Panel] and change the arm orientation to lefty by hands. Then, go to the
step (6), (7).
(8)
The joints are slightly out of position.
Adjust the gap with the
−
Z in the Jogging group in the [Jog & Teach]. Then, teach
another point data number unused.
This point is now called P2.
Specify point number
“P2” and click the <Teach> button in [Jog & Teach].
(9)
Input the new Hofs value.
>
Hofs Hofs (1), Hofs (2) + (Ppls(P1,2) + Ppls(P2,2)) /
2, Hofs(3), Hofs(4)
(10)
From the current lefty arm
orientation
(the position in the step (8)), teach the point
data number used in the step (8).
This point is called P2.
Specify point number
“P2” and click the <Teach> button in [Jog & Teach].
(11)
Switch to the righty arm orientation. Then, make sure the manipulator move to the
correct position.
>Jump P2/R ' Change the arm orientation from lefty to righty
* If there is any interference on the way from lefty to righty, click the Free All in the
[Control Panel] and change the arm orientation to righty by hands. Then, go to
the step (6), (11).
(12)
Move the manipulator to other point data and make sure it moves to the correct
position. Teach some more points if
required.
* Delete the two points taught for the Joint #2 calibration.

Epson LS20 Series Specifications

General

Brand	Epson
Model	LS20 Series
Category	Robotics
Language	English