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SCARA takes on delta-style robots

12 July 2011

TM Robotics has recently launched Toshiba Machine’s THP550 SCARA robot in Europe. It is the first of a new range of machines set to compete with delta-style devices.

The fast speed and Ethernet connectivity of the unit make it suitable for robot synchronisation on a production line. As a result, two or more SCARAs can work together, using a single vision system, and deliver a net capital expenditure saving compared to a single more expensive device, says the company.

The THP550 works in tandem with the TS3000 series controllers, which also feature Ethernet connectivity to help simplify set up. Key to the functionality of both devices is a ‘one line = one camera’ philosophy, which cuts costs by sharing the vision from a single camera across multiple robots, allowing the system to sort large quantities of goods quickly and take advantage of easy programming via dedicated commands. In addition, the resultant synchronised automation can result in fewer damaged products.

The THP550 offers a payload of 2kg, a 550mm arm length and a cycle time of 0.29 seconds. A composite maximum speed of 6.21m/sec and repeatability of ±0.015mm on the X and Y axes means that the machine offers the speed required by the most demanding applications as well as offering accuracy on repetitive pick and place tasks. Absolute encoders are standard while options include ceiling mount, IP65 wash down, clean room design and an extended Z-axis.

Commenting on the launch, Nigel Smith, managing director of TM Robotics said: “While SCARA robots have ease of integration, relatively low costs and versatility on their side, they have always been slower than the very fastest robot technologies. We can now compensate for that by offering a set up that provides all the speed advantages of a delta-style with the simplicity, adaptability and flexibility of a SCARA.”



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