Product category:
Gears, brakes, couplings and engines
News Release from: Huco Dynatork | Subject: Gear Grip coupling
Edited by the Engineeringtalk Editorial
Team on 29 June 2000
Couplings keep rotating signs
vibration-free
Double Vision Signs succeeded in sourcing couplings for its new two-sided sign which effectively dampened vibration caused by the design's drive train being housed in a hollow aluminium section.
Rotating, slatted signs offer advertisers great potential but without due consideration, the mechanism involved can be quite anti-social If you happen to live or work in a building whose flank wall carries one of these signs, the vibration on every facet change throughout the day and night can be a major annoyance
This article was originally published on Engineeringtalk on 22 Feb 2000 at 8.00am (UK)
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This was the reason why sign manufacturer, Double Vision Signs, contacted Huco Engineering Components.
As a result, the company succeeded in sourcing couplings for its new two-sided sign which effectively dampened vibration caused by the design's drive train being housed in a hollow aluminium section.
The success of this project also led to some innovative engineering being applied to a second coupling problem.
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Based in Clacton, Essex, Double Vision Signs was formed by a team highly experienced in outdoor advertising.
Three-facet signs are commonplace at prime sites, particularly in London, but the company has also identified the need for a two-facet sign.
The outcome is a new product due for launch next month which is able to boast exceptionally quiet operation thanks to Huco.
The 6m x 3m sign has 38 blades connected to a motor at the top left hand side of the construction by a 6m drive shaft; each blade is driven by a pair of bevel gears.
Huco recommended its Gear Grip coupling which comprises two hubs with external teeth which are joined by a polyurethane sleeve.
It is this design that has proved so effective at attenuating transmission noise.
Double Vision Technical Director Nickolas Meeks confirmed, "We are delighted with performance of the Huco couplings.
They have provided us with an efficient and economical solution as all we have to do is replace the sleeve when it becomes worn." Huco was also able to suggest a solution to a second problem with the drive shaft.
Double Vision decided to make the drive shaft less cumbersome by cutting it in half, into two 3m lengths.
This would make transportation and installation much easier.
Given that the shaft is a 10mm square extrusion, how could both elements be coupled together on site with a standard coupler? The answer was obvious, a solid coupler with a square bore and Huco was able to oblige with a special coupler based on its Multi-Beam design.
At its Hertford factory, Huco designed and manufactured the ideal stainless steel coupler for the application with a 10mm square bore and two set screws.
"We had chosen to use a square shaft as it provides a non-slip, positive drive and avoids the use of extra components such as grub screws," concluded Nickolas Meeks. Request a free brochure from Huco Dynatork ...
"This specially developed coupling has allowed us to complement these benefits with the advantage of easy handling.".
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