34 A255 Robot Arm User Guide
99-04-23
Mounting the Arm on the Platform
You need:
• Imperial:
5
/
16
in. hex key
• Metric: 6 mm hex key
Before you begin:
• Ensure that the mounting platform is clear of any debris. An electronic
component is exposed at the open underside of the base.
1. Lift the arm onto the mounting platform.
2. Fasten the arm to the platform with the following fasteners. A mounting kit
composed of these fasteners, imperial or metric, is available from CRS.
Imperial:
• Quantity 2,
3
/
8
– 16 UNC x 2.00 inch long,
stainless steel 18-8, hex socket cap screw
• Quantity 2,
3
/
8
– 16 UNC x 3.50 inch long,
stainless steel 18-8, hex socket cap screw
• Quantity 2, 0.2503/0.2501 diameter x 0.75 inch long, hardened steel,
precision ground dowel pin
Metric:
• Quantity 2, M8 x 1.25 x 55 mm long,
stainless steel 18-8 (A2), hex socket cap screw
• Quantity 2, M8 x 1.25 x 90 mm long,
stainless steel 18-8 (A2), hex socket cap screw
• Quantity 4, 8 mm, stainless steel 18-8 (A2), spring lockwasher to DIN
127 or British Standard Type B
• Quantity 2, 6 mm diameter (M6 limits) x 18 mm long, hardened steel,
precision ground dowel pins
Grounding the Arm
For proper operation of the robot, the arm and controller must be grounded.
Ideally, the grounding points should be equipotential.
Warning! Improper grounding can result in memory corruption, loss of arm position,
and unreliable operation in extreme cases.
Attaching the Grounding Wire
The robot base has a grounding stud which is used to drain any electrostatic
buildup on the arm.
You need:
• Small adjustable wrench (
3
/
8
inch or 9.5 mm)