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Tmax
 

T-Max Rotary and Linear Tensioners
Automatically Tension Motion Transfer Drives

T-Max Tensioners

To achieve optimum drive performance, correct drive belt or chain tension must be maintained. A self-adjusting T-Max tensioner from Fenner Drives is the solution. Available in both rotary and linear designs, T-Max automatic tensioners eliminate the need for regular manual retensioning of drives. The risk of inadvertently over-tensioning drive components is avoided and overall drive operating efficiency is enhanced.

All frictional V- and flat belt and roller chain drives elongate over time through use and wear. A properly designed and installed V-belt drive typically will offer an efficiency rating of 96%. Left unattended, the V-belt will elongate allowing slippage to occur. This generates heat which adversely affects belt life, accelerates pulley groove wear and can reduce drive efficiency by as much as 10%. In addition to energy waste, incorrect belt tension leads to increased drive downtime and higher operating costs, as well as inflated replacement costs due to premature belt failure.

Most of the above information also applies to roller chain drives, except that due to the more positive drive characteristics of chain, efficiency losses are approximately 3%.

Combined with a PowerMax Idler pulley or chain sprocket from Fenner Drives, an automatic T-Max tensioner can be used to:

  • Maintain correct belt and chain drive tension
  • Extend the life of critical drive components
  • Reduce system downtime
  • Increase drive efficiency
  • Reduce belt and chain whip on long center drives
  • Ensure drive components do not snag obstructions
  • Reduce resonant frequency of chain drives
 
 
Industry: Material Handling

Application: Hold Down Conveyor - Chain Drive

Problem: Chain drives the hold down rolls which press on the wood boards to be glued. Chain gets too much slack in it. Vibrates and creates additional noise. Difficult to access to work on chain to remove links and reduce sag.

Solution: Spring loaded linear tensioner. Tensioner provides continuous automatic straight-line take-up of the chain. Tensioner is fixed with a unique "arc" shaped UHMW chain guide head. UHMW is idealy suited for chain applications due to its inherent corrosion resistance and self-lubricating properties.

 
 
 
Industry: Agriculture

Application: Liquid Fertilizer Sprayer

Problem: Maintaining tension on chain drive. Eliminate excessive sag and maintain correct chain tension.

Solution: T-Max rotary spring-loaded automatic tensioning device. Eliminates sag and maintains correct chain tension as chain elongates from use and wear.

 
 
 

Industry: HVAC

Application: V-Belt Driven Ventilation Fan

Problem: Maintaining proper V-belt tension. All rubber V-belts elongate with use and wear. Customer wants to eliminate V-belt maintenance.

Solution: Automatic spring-loaded rotary tensioner. This arrangement utilizes a V-groove idler pulley which is held against the belt with a constant force generated by the spring. The advantage is controlled belt tension over a longer period of time. It eliminates the need for manual adjustment reducing maintenance time, the costs associated with it and maintains satisfactory belt tension at all times.

Reasons for using a T-Max Tensioner:

  • Rugged heavy-duty construction
  • Graduated adjustment markings for accurate tension setting
  • Conserves space with simplified adjustment
  • Easy installation and adjustment with single bolt feature
  • Longer belt life
 
 
 
Industry: Lawn & Garden

Application: Trencher for installing lawn sprinkler systems

Problem: Captive V-belt drive needed a means of tensioning the belt. To keep maintenance at a minimum, the customer wanted an automatic tensioning device in lieu of a manually adjustable type.

Solution: T-Max rotary spring-loaded tensioner. Provides the automatic tensioning method desired by the customer. Bi-directional tensioner arm swings in an arc to tension the belt. Rugged aluminum construction.

 
 
 
Industry: Lawn & Garden

Application: Stump Grinder

Problem: Maintaining correct belt tension in a gritty, dirtly environment.

Solution: T-Max automatic spring-loaded rotary tensioner with composite PowerMax Idler Pulley. This arrangement utilizes a flat idler pulley which is held against the underside of a two-rib banded belt with a constant force generated by the spring. The advantage is controlled belt tension over a longer period of time. It eliminates the need for manual adjustment reducing maintenance time, the costs associated with it and maintains satisfactory belt tension at all times. Plus, Fenner Drive's products are suitable for use in the dirty conditions encountered by this equipment.

 
 
 
Industry: Commercial Floor Care

Application: V-belt Drive on Cleaning/Buffing Machine

Problem: Maintaining correct tension on V-belt drive. The customer wanted to eliminate the continued maintenance of retensioning the V-belt as it stretches from use and wear. Needed something to stand up to the harsh, wet environment caused by the cleaning solutions and water.

Solution: T-Max automatic spring-loaded tensioner to maintain correct tension in the belt, along with a composite PowerMax Idler Pulley. The tensioner body is constructed of rugged aluminum and has graduated scale marks for setting spring tension. Bi-directional tensioner moves in an arc.

 
 
 
Industry: Recycling Equipment

Application: Plastic Chopping Machine

Problem: Maintaining tension on chain drive. Eliminate excessive sag and maintain correct chain tension.

Solution: T-Max rotary spring-loaded automatic tensioning device. Eliminates sag and maintains correct chain tension as chain elongates from use and wear.

 
 
 
Industry: Wood Processing

Application: Trimmer Endfeed Conveyor

Problem: Reduce chain sag and maintain tension.

Solution: Spring-loaded T-Max Automatic Linear Tensioner. Tensioner provides continuous automatic straight-line take-up of the chain. Tensioner is fixed with a unique "arc" shaped UHMW chain guide head. UHMW is ideally suited for chain applications due to its inherent corrosion resistance and self-lubricating properties.

 
 
 
Industry: Forest Products

Application: Lumber Conveyor

Problem: The conveyor accumulates enough boards to fill a complete pack for stacking and banding prior to shipping to the customer. There are twelve levels to the conveyor with 5 belts per level. Manual retensioning was cost-prohibitive. Needed an automatic tail pulley in the conveyor to maintain tension in the belt.

Solution: Fifty-five  T-Max RT4100 heavy-duty spring-loaded tensioners with PowerMax F3B6280 pulleys to both act as the tail pulleys for the rough top flat belt as well as to maintain tension in the belt that moves the lumber.

 
  COPYRIGHT @ 2009  BY WISE MECH 82 CORPORATION LIMITED.
ALL RIGHTS RESERVED
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