Techman TM14

The TM14 launched with the TM12 in September 2018 as the second half of Techman Robot's heavy-payload pair, and the two are best understood together, because the model numbers invite exactly the wrong conclusion. A higher number here does not mean a bigger machine. The TM14 carries 14 kg against the TM12's 12 kg, but it does so over 1100 mm of reach instead of 1300 mm, and it weighs 32.5 kg — slightly less than its stablemate. It is the same platform re-proportioned: shorter tubes, more load. The re-proportioning shows up in motion as well as geometry. Average tool speed falls from 1.3 to 1.1 metres per second, and joints 4 and 5 turn at 150 degrees per second where the TM12 runs them at 180. Elbow travel is trimmed too, from plus/minus 166 to plus/minus 163 degrees. None of this is a defect; it is the standard trade in articulated arms, where payload, reach and speed are three claims on the same drive train. It does mean that a buyer choosing between the two on catalogue numbers alone will misjudge both the working envelope and the cycle time. Repeatability is plus/minus 0.1 mm, the value Techman quotes for every arm above the TM5 series. Protection is IP54 on the arm, and the series is rated for ISO Class 3 cleanrooms — a strict class that opens up semiconductor and optics work, with SEMI S2 certification available on the DC-powered TM14X variant. As in every arm the company sells, a 5-megapixel colour camera sits in the wrist from the factory and is addressed from TMflow, the flowchart environment in which positions are taught by pulling the arm by hand. The arm complies with ISO 10218-1:2011 and ISO/TS 15066:2016 and stops on contact, so it can work beside people without fencing once the cell has been risk-assessed. A note on sourcing: the manufacturer's product pages carry no specification table and its catalogue prints the figures as an image without a text layer. The numbers above come from Omron's documentation of the same arms, which it has resold under its own brand since the 2018 alliance.

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