LSQ

Measurement checklist:

Select zero tool, zero base and keep short spike
Create new program
Save 5-10 points around the fixture
Save the program to a memory stick

LSQ measurements

Take the points from accurate features, such as sharp corners, centers of holes and such. If there are trouble with robot reach, long spike can be used to take the measurements. Taking more points results in better accuracy, but usually 5-10 points are considered to be accurate enough. Taking at least 8 points is recommended.

Note - Use only good features

If the point has a bent or rounded corner that is used, remember that the simulation model has a precise geometry.

Engraved markers and fixtures can also be used as measuring points if they exist also in the simulation model. After LSQ calibration measurements, you should have a program with 8 points.

After taking the measurements

Save the program to a USB-stick from the controller.

LSQ calibration

LSQ calibration

How to take the measurements

Use only sharp corners

LSQ measurements done!