RAD Spring-Loaded Compliance Specifications

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Ranked Nr. 139 of 116 End of Arm Tools

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Reduce robot* programming time
Open up part tolerances
Decrease scrap
Increase assembly speed
Minimize part and tool damage caused by contact forces
Reduce downtime and machine wear caused by parts jamming and wedging

RAD’s Spring-Loaded Compliance (Alignment) Device:

Compensates for positional misalignment
Is compliant in X and Y axes, radially (laterally), as well as rotationally
Provides precise centering
Offers no compression in the z axis – making it ideal for applications requiring moderate insertion forces through the center line of unit

Assembly Operations

Positioning on an assembly line
Aligning molds
Locating parts in machines

Insertion Operations

Placing washers, fans, or gears onto shafts
Inserting bearings into drive assemblies

Operating Principle
RAD’s Compliance Devices provide allowances for both lateral and rotational misalignments. This compliancy allows parts to automatically align themselves upon striking a lead-in chamfer or tapered guide. RAD Compliance Devices function through a series of bearings and pneumatic pistons.

* can also be used on linear actuators, pick & place machines, and other automated equipment.

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Pneumatic Compliance Spring-Loaded Compliance

Type	Collision/Torque Sensors Compensation Unit Compilance Devices Connectors Dispensers Force Torque Sensors Sanders Screwdrivers Tool Changers Vacuum Generators Welding Torches Wrist Cameras

Spring-Loaded Compliance Downloads

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Spring-Loaded Compliance Alternatives

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RAD Pneumatic Compliance

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Reduce robot* programming timeOpen up part tolerancesDecrease scrap caused by misalignmentIncrease assembly speedMinimize part and tool damage caused by contact forcesReduce downtime and machine wear caused by parts jamming and wedgingRAD’s Pneumatic Compliance Device: Compensates for positional misalignmentIs compliant in X and Y axes, radially (laterally), as well as rotationallyPLEASE NOTE: If you require axial (“Z” axis) or angular compliance, as well as rotational, the Ultimatic™ Collision Sensor can be used as a compliance device in some cases.Provides precise centering to within ±0.001″ (0.025mm)Features a standard pneumatic ‘lock up in the center position’ function to prevent the device from floating during rapid transport and/or to disable the compliance when it’s not neededAllows instantaneous transition from smooth compliance to centered rigidityOffers no compression in the Z axis – making it ideal for applications requiring moderate insertion forces through the center line of unitAllows pneumatic adjustment so user can easily change the external force required to offset the movable plateAssembly Operations Positioning on an assembly lineAligning moldsLocating parts in machinesInsertion Operations Placing washers, fans, or gears onto shaftsInserting bearings into drive assembliesOperating PrincipleRAD’s Compliance Devices provide allowances for both lateral and rotational misalignments. This compliancy allows parts to automatically align themselves upon striking a lead-in chamfer or tapered guide. RAD Compliance Devices function through a series of bearings and pneumatic pistons. * can also be used on linear actuators, pick & place machines, and other automated equipment.

RAD Spring-Loaded

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The Uni-Coupler™ Collision Sensor is RAD’s patented, spring-loaded, mechanical collision sensor that: Stops the robot* in the event of a crash to minimize costly damage to the robot and/or tooling. RAD’s collision sensor provides protection even if the robot itself is not moving.Absorbs the crash energy by allowing up to 15º of deflection following a collision.Automatically resets to within ± 0.002″ (0.051mm) to maximize uptime and eliminate the need for human intervention.Allows up to 0.040″ (1.02mm) “give” in the coupling before the load sensing mechanism is activated (in compliant models) to avoid nuisance tripping.Operating PrincipleRAD’s Uni-Coupler™ Collision Sensor is a spring-loaded mechanical device that signals your robot’s E-stop or controller when the tooling encounters an obstruction. The lateral or vertical force applied during a collision opens a normally closed switch that sends the “stop” signal. Note: The Uni-Coupler™ Collision Sensor can be used as a compliance device by installing the unit without connecting the sensor switch. * can also be used on linear actuators, pick & place machines, and other automated equipment.

Zimmer SERIES WWR

Payload 20-300 kg

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Secure hold during pressure dropThe combination of spring-loaded and a high gear ratio guarantees them a safe machineExtremely flat designThis structure reduces the moment load for your robot to a minimum and makes it possible to use smaller and more affordable sizesInexhaustible variety of media transfer systemsNo matter which medium you would like to transmit, we will draw from our wealth of experience in implementing projects and find a solution to suit your needs!

RAD Pneumatic Spring-Assist

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RAD’s Spring-Assist Ultimatic™ Pneumatic Collision Sensor minimizes the potential for costly damage to the robot arm or tooling in the event of a crash and maximizes uptime by automatically returning to within 0.0005″ (0.013mm) of its starting position once it has been separated from the source of the crash. NOTE: RAD Spring-Assist Ultimatic™ Collision Sensors effectively replace the discontinued EOA MultiClutch Breakaway Safety Devices. The Spring-Assist Ultimatic™ Collision Sensor is RAD’s patented mechanical collision sensor that: Sends a signal to the system’s E-stop or controller within 4 to 10ms of a collision to minimize costly damage to equipment and/or tooling. RAD’s collision sensor provides protection even if the system itself is not moving.Absorbs the crash energy without loss of air pressure in the collision sensor. Keeping the air in the collision sensor prevents tooling “sag” and eliminates the effects of compressed air being released into the environment.Resets Automatically to within ± 0.0005″ (0.013mm) in X, Y, and Z dimensions and to within ± 0.017º rotationally to maximize uptime and eliminate the need for human intervention.Increases Payload Capacity to nearly double that of RAD’s standard U-4622 with no increase in sizeMaintains significant resistance even with no air pressure, reducing tooling sag if air pressure is lostProvides angular, rotation and axial (compressive) complianceAllows pneumatic adjustment so the user can easily change the amount of resistance the unit must encounter before signaling a collision.Has a compliance adjustment feature that lets the user determine the amount of deflection allowed before a signal is sent to the robot’s E-stop or controller.Operating Principle RAD’s Spring-Assist Ultimatic™ Collision Sensor works by establishing the minimal points of contact required to restrain all degrees of freedom (movement) in normal operation. When a robotic crash occurs, external forces upset this balance thereby allowing angular, rotational or compressive compliance. This motion opens a normally closed switch and sends a signal to your robot’s E-stop or controller. Note: The Spring-Assist Ultimatic™ Collision Sensor can be used as a compliance (alignment) device rather than a collision sensor by simply mounting the unit without wiring it to the robot. Please see the Compliance Device section for more end-effector compliance options.

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