Calibration Board

Calibration board is used for intrinsic parameter check and hand-eye calibration. This chapter introduces the types, models, and mounting methods of calibration boards.

Calibration Board Types and Models

Mech-Mind provides three types of calibration boards:

BDB

For V2 and V3 cameras.

Model	Diagram	d (mm)	Row	Column
BDB-5		20	5	4
BDB-6		35
BDB-7		50

CGB

For V4 cameras.

Model	Diagram	d (mm)	Row	Column
CGB-020		20	5	4
CGB-035		35
CGB-050		50

OCB

OCB calibration boards have no mounting holes and therefore cannot be mounted on the last joint of the robot. It can be used only when the camera is mounted in the EIH mode.

Model	Diagram	d (mm)	Row	Column
OCB-005		5	9	11
OCB-010		10
OCB-020		20

Mount Calibration Board

For hand-eye calibration in the ETH mode, the calibration board should be mounted on the last joint of the robot. Common ways to mount the calibration board are shown below:

Direct mounting	Mounting through the flange adapter