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Product category: Miscellaneous machine tools, gear cutting machines and equipment
News Release from: KMT Robotic Solutions | Subject: Tolerance compensation system - robotic routers
Edited by the Manufacturingtalk Editorial Team on 01 May 2006

Depth tolerance compensation used in
routers

A tolerance compensation system, based on using a sensor, is for use with 6-axis robotic routing systems to ensure that depth cuts are carried out to the required tolerances on critical workpieces.

KMT Cutting Systems (formerly ABB I-R Waterjet Systems) has launched a new Tolerance Compensation system for the company's leading range of 6-axis robotic routing systems Routing is a dry cut process that utilises an electrically powered routing head with a spindle-mounted bit, which is spun at very high speeds up to 50,000 rev/min to trim edges and form holes and slots in a wide range of polymeric materials

One very important advantage offered by routing is the ability to cut materials to a pre-defined depth and the new Tolerance Compensation system ensures that these depth cuts are carried out to the required tolerances.

An excellent application for depth cuts of this type is in routing the perforations required in the invisible airbag covers found in many modern car dashboards, where the tolerances have to be precise to ensure that the airbags are safely deployed to protect the vehicle occupants.

In the new Tolerance Compensation system, the routing tool on the spindle carried by the robot arm in the KMT routing system is exchanged for the Renishaw 3D probe to take position measurements in three corners of the workpiece for the air bag perforation on the underside of the dashboard.

This information is fed to the robot controller where it is added to the positional coordinates provided by sensors on the fixture carrying the dashboard, which measure the vertical positions of the airbag section, to update the program for the depth and position cuts to ensure they are carried out to the correct tolerances. Request a free brochure from KMT Robotic Solutions ...

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