Mechatronics Canada

MC-4-SCHUNK-ROTATHW3-400.jpgMarch 18, 2021

If you want to manufacture turned parts more efficiently, low-maintenance and fail-safe precision clamping devices are required. These can be quickly and easily converted, and, if necessary, can also be used for automatic loading. The SCHUNK ROTA THW3 chuck with quick-change jaws and patented sealing of the chuck mechanism has been designed for with this in mind. Users benefit from a permanently high process reliability, constant clamping forces and long maintenance intervals.

The all-rounder for different applications

Equipped with a quick-change jaw system, the ROTA THW3 can be quickly converted for a new range of parts on CNC lathes, pick-up lathes and turn/mill centers, and has an excellent jaw repeat accuracy of up to < 0.02 mm. Previously turned out sets of jaws can be repeatedly used, even for applications where the tolerances are challenging. The jaw stroke of the straight-serrated base jaws amounts to 6.7 mm to 10.5 mm – depending on the jaw size. A ring piston transmits the force transmission directly and therefore ensures a high degree of efficiency: The clamping force of the smallest size, the ROTA THW3 200 is 64 kN, and as of size 400, the chuck achieves a clamping force of 240 kN. The chuck’s base body is hardened and extremely rigid, and even in case of heavy-duty machining precise and reliable machining results can be achieved. Due to the optimized outside contour, the chuck is perfectly designed for milling tasks. Versatile use of the chuck is ensured: it has a large through-hole of 52 mm (size 200) up to 165 mm (size 630), center sleeves that can be exchanged from the front, and the option of I.D. and O.D. clamping. Furthermore, the power lathe chuck can also be complemented with an adjustable workpiece stop.

Quickfinder for chuck jaws

Searching for the matching chuck jaws for the SCHUNK ROTA THW3 chuck is child’s play with the jaw quickfinder: It takes just four clicks to get to chuck manufacturer, chuck type, chuck size and product details. The user receives a list of all matching chuck jaws from over 1,200 jaw types of the world’s largest standard chuck jaw program from SCHUNK. The matching chuck jaws can be directly selected within the quickfinder.

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Featured Article: Decoding the Most Versatile Industrial Connector in the World


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If you were around in 1980’s you will probably remember walkmans, vcrs, mix tapes and big hair bands on MTV, amongst other things. The decade started with the release of PacMan, the Rubiks Cube and a Hollywood actor called Ronald Reagan winning the US Presidential election. It ended with the first episode of the Simpsons, Timothy Berners-Lee inventing the World Wide Web and the Berlin Wall coming down to symbolize the end of the Cold War.

Some notable 1980’s inventions included the first artificial heart, CD players, the Apple MacIntosh computer, Microsoft Windows, the Nintendo Gameboy and the first GPS satellite to be launched into space.

But there was one more invention of the 1980s that wasn’t really noticed by the general public, but ultimately paved the way for fast, easy and reliable electrical connections that we often take for granted in control systems today. We are talking about the M12 circular connector that was launched at the Hannover Fair in 1985 and has since become one of the most popular industrial connectors in the world.

These days, you will be hard-pressed to walk into any manufacturing plant without seeing an M12 connector. They are used to connect sensors to I/O modules, vision systems to Ethernet switches, light curtains to safety controllers and much more. Originally only available in 3-pole and 4-pole versions with an A-Coded keyway for power and I/O signals, the M12 connector is still evolving and has become one of the most versatile circular connectors available.

Now, more than 35 years since it was launched, there are many different types of M12 connectors for signal, data and power connections.

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Featured Article: Strategies for Increasing Production Line Modularity


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In today's competitive business environment, customization is key. Manufacturers in all industries are expected to provide a wide range of sizes, colors, styles and assortments, and they are finding it essential to implement flexible manufacturing strategies in order to stay competitive.

The goal of these strategies is to reduce the effort required to change over from one product version to another. Let’s take a look at a couple of ways in which this can be accomplished.

Find ways to minimize rigidity

To determine how to make a system more flexible, it helps to find particular elements that are highly rigid and see how these could be made modular with cutting-edge technology. One example of an inflexible element is a conveyor belt. If conveyors connect production line stations, it can be extremely difficult to rearrange the line or add new stations.

Employing autonomous mobile robots (AMRs) with integrated conveying functionality can dramatically increase flexibility. These robots can take care of materials transport needs without requiring fixed pathways or any other changes to the factory floor. Today, we even see AMRs with integrated collaborative robotic arms that comprise a full pick-and-carry solution.

Avoid excessive part orientation hardware

Traditional parts feeding solutions, such as bowl feeders, typically require parts to be oriented in highly precise ways prior to feeding. Unfortunately, this calls for specific hardware that must be redesigned whenever a new type of part is being produced, dramatically increasing costs and lengthening the time required for a changeover.

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