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Cross Automation Newsletter – November 2022

What is Force and Compliance Control and Why is it an Important Capability for Cobots?

Cross Automation Newsletter - November 2022 1

To best understand force & compliance control it helps to understand the other alternative which is position control. Typically when programming a robot or cobot the programmer teaches a set of waypoints that the robot will follow to execute a task. With force & compliance control you are able to set a path and program the robot to be compliant to a particular force in a determined axis. For instance, a cobot can be programmed to follow a specific trajectory in a plane while maintaining a constant force normal to that plane despite irregularities on the surface of the piece the robot is working on.

A great example application is a cobot sanding a guitar. Programming a cobot for this application using waypoints would be tedious, impractical, and unreliable. Alternatively, if you use force & compliance control you can make the robot follow the guitar’s contour by selecting the appropriate axis to be compliant. This way it follows the shape while maintaining a set amount of force all the way through.

Certain applications can also benefit from compliance control. Such is the case of inserting objects. Assume the case where a tapered surface like a cone is loosely located, and a ring has to be inserted around the cone. The robot can be programmed to reach a certain height in the Z axis while being compliant in the X and Y coordinates. This will allow the robot to adjust to the location of the cone, much in the same way a human operator would place a fastener.

Continue reading then reach out to one of our robotics experts to discuss your particular application.

Custom Torque Measurement Solutions

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Sometimes achieving or measuring the torque in your process isn’t straightforward but custom torque measurement solutions from Cross can help. Our engineers can design a custom solution, perfectly tailored to your application to help increase throughput, increase accuracy, reduce downtime, reduce the risk of injury and extend tool life.

We have worked with customers from the automotive industry, aerospace, electronics, plastics, medical devices and more to design turnkey torque systems to meet the specific requirement of their applications.

Contact our engineering team today to discuss your custom application.

Product Spotlight: AVENTICS SPRA

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The AVENTICS Series SPRA electric rod-style actuators are the ideal solution to perform fast and powerful linear movements. They are very flexible, precise and energy efficient, improving sustainability and Total Cost of Ownership (TCO). The modular concept of the Series SPRA enables easy connection to your preferred motor and control system, saving you time and costs on design and programming. The Series SPRA is ISO 15552 compliant and uses high-grade materials – such as a IP54S sealing system, ensuring a high level of reliability even in harsh conditions.

Contact a Cross Automation professional to discuss your upcoming applications.

See how our team can help improve quality, increase efficiency, and reduce risk

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In the meantime, enjoy these fun facts…

Did you know… Cross Company is an ESOP (Employee Stock Ownership Plan). Our ESOP started in 1979 and as of 2006, we are 100% employee-owned! Learn more about our ESOP and how that benefits both team members and our customers.
Did you know... the precision measurement group at Cross was founded in 1939 by our current CEO's grandfather, Jim King. That's a whole lot of calibration!
Did you know... A fingerprint weighs about 50 micrograms. We know, we weighed it! The residue left from a finger can actually make a difference in weight results which is why we wear gloves when we calibrate weights. For reference, a sheet of paper is about 4.5 grams, that’s 4.5 million micrograms.
Did you know… Cross Company has grown significantly since our start in 1954. Over the years we've acquired 26 companies! Today, our five groups have expertise in everything from industrial automation to precision measurement, and industry knowledge going all the way back to 1939.