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Desoutter B-FLEX Torque and Angle Transducerized Battery Tool Uses and Applications

May 7th, 2019

Let’s take a peek inside one of the latest and greatest aerospace labs. New carbon-fibre panels are being installed over aircraft frames as fuselage lightening, fuel efficiency improving augmentations inside the research and development hangar. Assembling the prototype parts, Desoutter B-Flex battery tools apply fractional amounts of torque. Of notice here, there are no air hoses, no pneumatic fittings of any kind, actually. No, these tools require no power cords or air umbilicals.

Introducing the Desoutter B-Flex Series

Ultimately, this advanced range of tools employs mechano-electrical power. Instead of pneumatically powered innards, a high-resolution torque transducer is controlled by a long-life Li-Ion battery. Fitted in the pistol/wand grip, the lithium-ion power supply controls incremental quantities of torque. The pistol grip EPB 8-1800-4Q occupies a place of prominence in this electrically powered tool family. It features 1.5-Nm to 17-Nm of precision-based turn force. More importantly, there’s an error-proof fastener force management system in place, which ensures quality-controlled tightening energy every time the tool is triggered by its operator.

B-Flex Quality-Assurance Solutions

In the previous paragraph, while working in an R&D hangar, a trained aerospace technician used a pistol-shaped transducerized B-Flex battery tool. The handle and clip-on battery delivered ergonomic control so that the applied fastening force came down at a predetermined angle. Switching over to an angle head model, the EAB 15-900, the technician changes his grip. The wand-shaped tool features a right-angled fastener head and a lengthened housing. Upping the applied torque to a 95-Nm maximum, the low-contact trigger is engaged. A monitor is mounted on the ergonomically shaped tool body. It relays important data, including the current torque level and the remaining battery power. Designed to eliminate tightening errors, it’s this feature that eliminates the blind approach used by lesser fastening tools. Sure, an everyday electrical fastening tool can generally tighten the odd bolt, but at what cost? There’s no room for overtightening here, no room at all for hairline fractures or surface distortions.

The aerospace sector uses glass and plastic, aluminium sheets and soft polymers, and a whole medley of finely manufactured parts. They curve at specific angles and exhibit advanced geometrical profiles. When assembling those discrete parts, fractional amounts of torque ensure error-free assembly procedures. That’s a high-tolerance methodology that has filtered down to other quality-assured industries. Clearly, the automotive sector is one such precision-essential industry, but there are others. Manufactured according to the most rigorous production standards, those engineering facilities are cutting the cord. Ergonomically built, transducerized B-Flex battery tools, as designed by Desoutter, have made great headway as error-proof, torque controllable fastening instruments.

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