Robot-Ready Gripper Compensation Devices

Add these devices to your gripper to reduce jams and slowdowns caused by misaligned parts and other small discrepancies. With compression springs that let them flex slightly, they help your gripper adjust to reliably grab parts. Apply compressed air to lock these devices in place when you need your gripper to stay rigid, such as when moving a part. They’re ideal for machine tending and automated assembling. Mount them between your robot and gripper. All have standard ISO mounting patterns, so they work with FANUC CRX, Universal Robots (UR), and other common robot arms.
Add a sensor (sold separately) to detect when these devices are fully extended or retracted. You can use this information to trigger the next step in your robot’s cycle. Z-axis devices require a separate sensor for each position.
Locking force is the force keeping these devices rigid while your robot arm moves. To keep the device from shifting while handling a load, make sure the locking force is greater than the forces created by the load as your robot arm moves through its work cycle.


Choose these devices when your grippers need to adjust up and down to handle parts with slightly different heights. They’re also useful for press fitting a part into a housing—these devices can compress to avoid errors such as collision faults. You can lock them in two positions—extended or retracted—with compressed air.
Locking Force | For End of Robot Arm | For Gripper | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Z-Axis Compensation | Spring Force Range | Extended | Retracted | Bolt Circle Dia. (Mount. Hole Pattern Compatibility) | Mount. Fasteners Included | Bolt Circle Dia. (Mount. Hole Pattern Compatibility) | Mount. Fasteners Included | Air Inlet Thread Size | Each | |
Anodized Aluminum Housing—Spring and Air Actuation | ||||||||||
| ±8 mm | 4.5-9 lbs. / 2-4 kgf | 110 lbs. @ 87 psi | 65 lbs. @ 87 psi | 50 mm (ISO 50) | Yes | 50 mm (ISO 50) | No | M5 × 0.8 mm | 6190N118 | 000000000 |
| ±8 mm | 9-13.4 lbs. / 4-6.1 kgf | 110 lbs. @ 87 psi | 60 lbs. @ 87 psi | 50 mm (ISO 50) | Yes | 50 mm (ISO 50) | No | M5 × 0.8 mm | 6190N119 | 00000000 |


Choose these devices when your grippers need to tilt, rotate, and slide in all directions. They’re useful for bin picking and other tasks where items may shift as your gripper grabs them. You can lock them in their default, non-flexing position with compressed air.
Compensation | For End of Robot Arm | For Gripper | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| X-Axis | Y-Axis | Z-Axis | Angular | Rotational | Spring Force Range | Locking Force | Bolt Circle Dia. (Mount. Hole Pattern Compatibility) | Mount. Fasteners Included | Bolt Circle Dia. (Mount. Hole Pattern Compatibility) | Mount. Fasteners Included | Air Inlet Thread Size | Each | |
Anodized Aluminum Housing—Spring and Air Actuation | |||||||||||||
| ±2.7 mm | ±2.7 mm | ±6.1 mm | ±3° | ±8° | 8.1-20.6 lbs. / 3.7-9.3 kgf | 160 lbs. @ 87 psi | 50 mm (ISO 50) | Yes | 50 mm (ISO 50) | No | M5 × 0.8 mm | 6190N111 | 000000000 |

Universal Compensation
Device (Sold Separately)
| Connection Type | Number of Wire Leads | Switch Starting Position | Current | Voltage | Cord Length, ft. | Number of Sensing Positions | Each | |
NPN | ||||||||
|---|---|---|---|---|---|---|---|---|
| Wire Leads | 3 | 1 Off (Normally Open) | 50 mA | 24V DC | 6 1/2 | 1 | 7705N143 | 0000000 |
| 3-Pole Nano M8 Plug | __ | 1 Off (Normally Open) | 50 mA | 24V DC | 1 | 1 | 7705N141 | 000000 |
PNP | ||||||||
| Wire Leads | 3 | 1 Off (Normally Open) | 50 mA | 24V DC | 6 1/2 | 1 | 7705N142 | 00000 |
| 3-Pole Nano M8 Plug | __ | 1 Off (Normally Open) | 50 mA | 24V DC | 1 | 1 | 7705N14 | 00000 |

























