Ergonomics & Injury Prevention - TAI February 2015 Newsletter
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Ergonomics & Injury Prevention

February 2015 Newsletter

Ergonomics & Injury Prevention

Many clients first discover Temple Allen when they look for solutions to the fundamental challenge of sanding operations. That challenge is that humans are not designed to withstand the vibration exposure and stress associated with traditional manual sanding processes, which over time cause tissue damage and cumulative trauma disorders such as HAVS (Hand-Arm Vibration Syndrome) and Carpal Tunnel Syndrome. 

As part of examining the science of improving the fit between human task and human capacity we’d like to bring your attention to a list of Ergonomic Risk Indicators in an excellent article by Deborah Ann Cavalcante on work-related musculoskeltal disorders in the July issue of Aircraft Maintenance Technology magazine (pages 36-37):

AMT Magazine's Ergonomic Risk Indicators:
  • Are mechanics arms lifted over the head to perform work above the body?
  • Are mechanics in awkward postures, twisting and bending the torso?
  • Are mechanics holding unbalanced or fatiguing postures or simply remaining in a posture for a long time?
  • Are mechanics using smaller muscles to exert force rather than larger muscles?
  • Are there sudden exertions like vibrations, jerks, or slams to the body?
  • Are mechanics using forceful gripping or squeezing?
  • Are mechanics always using the same hand for repetitive tasks?
© 2014 Aircraft Maintenance Technology Magazine
The article subtitle provides a nice summary: “Work-related musculoskeletal disorders, including those of the neck, upper extremities, and low back are one of the leading causes of lost workday injury and illness.”

Conventional sanding operations in aerospace, which can involve each and every one of the risk factors listed above, are responsible for a disproportionate share of injury claims and lost workdays at the facilities where such operations take place, and with aerospace and industrial production rates going up, the volume of sanding work is only increasing.
“Remember, you cannot redesign the worker, but you can redesign the work practice.” (Deborah Ann Cavalcante, AMT Magazine, p.36)
Temple Allen’s equipment targets these ergonomic risk factors, particularly the issues of awkward postures, vibration exposure, working overhead, and high grip forces, to offer a vast improvement in the sanding process ergonomic profile. 

The Temple Allen Demo

For many of our clients, particularly those who have not already seen our EMMAâ„¢ and Wing-top Sander product lines in person, a major milestone in their technology and process upgrade decision is a successful demonstration of our equipment in their facility. Temple Allen takes a structured approach to these demos – our focus is on making sure the client gets answers to two very primary questions: 
1] Can TAI equipment generate the required surface finish?
2] Can TAI equipment be applied to the workpiece safely and efficiently?
The first question is, for us, not very suspenseful – because our equipment deploys sanding tools flat on the surface with a consistent contact force, and typically wields the same type of sanding or grinding tool that the operation is already using, we have always been able to reproduce, and usually improve upon, the surface finish quality of the established process.

The second question is more interesting for us, as the wide variety of part geometries, shop environments, and finishing tasks sometimes present access challenges we have to overcome. Over the last ten years, however, our design team has solved dozens of such challenges – whether fitting around obstructions in a composites sanding booth or deploying EMMAâ„¢ from lifts and stackers in a large paint hangar.
For more information - you can email us: or call: 301.541.3662.

We are happy to say that our new Wing Top Sander made the cover of the Winter edition of e-Military Product News for Aviation. Click the link to be taken to the magazine. Our Wing Top Sander product profile is on page 10.
Copyright © 2015 Temple Allen Industries, All rights reserved.

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