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tenditori automatici per catene e cinghie

Cb) ORIENTP

ROTARY CHAIN TENSIONERS WITH POLYETHYLENE HEAD

ADJUSTABLE DIRECTIONAL TENSIONERS

The directional tensioner ORIENT works like a fixed device, so it contains no spiral springs or elastomers. The absence of synthetic materials enables ORIENT to function at high temperatures.

It peculiarity lies in the fact that it can be given any orientation you wish, either before or after installation, when the slack of the belt or chain requires correction of the tensioning.

This is possible thanks to a sprocket on the base of the lever that makes it possible to assemble the two parts at every 15° of rotation for all 360° available. This means 24 positions between base and lever, plus an adjustment slot that also prevents rotation of the product.

The base and lever are produced in rugged aluminum alloy with tensile strength of 440MPa.

The base has 6 threaded holes for directional fastening to the lever, a central hole and an adjustment and antirotation slot for positioning and fastening it on the frame or plate where the element is housed.

The lever has 8 holes for variable fastening to the base and one hole for installation of various accessories. Every 15°, two holes of the base coincide with the holes on the lever, and the two parts are fastened together with two screws.This characteristic makes the product versatile and adaptable to a wide range of applications and offers numerous solutions to problems of size and positioning.

For adjustment of the product, a hexagon for a 22 mm wrench is provided at the center of the base. It is sufficient to release the antirotation slot and turn the product to reset the transmission tension. If that does not suffice, move the sprocket to the next position between the lever and the base.

It is an excellent alternative for those who do not need an automatic tensioner but, at the same time, have problems of size and positioning on the machine.

The tensioners can be supplied with chain tensioning shoes in polyethylene 1,000,000 UHMW with dynamic dry steel friction coefficient 0.06, chain tensioning pinions, belt tensioning rollers and idle pulleys.

 The rotary tensioner type Orient works as a fixed device and inside there are neither halical springs nor  elastomers .

Its main characteristic is the fact that it is possible to orient it before or after you assemble it in case the belt or the chain need  tension correction .
All that is possible thanks to a  toothing located on the base and on the lever which allows you to assemble them at every rotation of 15°degrees for all 360° degrees.
This means that you can have 24 positions between the base and the lever and the anti-rotation buttonhole allows you to be precise.
These two parts are made of a high- strength  aluminium alloy :
The base has 6  threaded holes for the rotary fastening of the lever, one for the fastening of itself, one  anti-rotation buttonhole to assemble it on the  frame ( or  plane) where there is the belt or the chain that has to be tightened .
Everything is fixed through a central hole made to the frame and to the anti-rotation buttonhole.
We realized  an hexagon for standard wrench so it is enough to release the anti-rotation buttonhole and  rotate the entire element.
The lever has 8 holes to have a varying fastening to the body and a hole to assemble the pulley or the idler sprocket or the polyethylene head.
At every 15° degrees  two holes of the base correspond to the ones located on the lever so using two  standard screws you can assemble the tensioner.
This aspect makes it a versatile product that can be used in many situations and it allows you also to have different solutions as far as the overall dimensions and positions.
The lack of synthetic material makes the type ORIENT able to work at a temperature up to more than 130°C degrees( type ORIENT-P with a polyethylene head can reach a temperature up to 65°C degrees).
If you do not need an automatic tensioner It represents a good solution to overall dimensions,  position on the machinery and weakening of the belt/chain.
The range can be:
ORIENT with hole 6,5 ( boring or threading on demand).
ORIENT-R with idler sprocket .
ORIENT-P with a polyethylene 1000 
UHMW head and with a dynamic friction factor that  is 0,06 dry steel.

ORIENT-PUG with a rim pulley and protections.
ORIENT-PU with pulley ( on our catalogue you can find pulleys made of different materials and in different measures).

  1. 1
    CHAIN TENSIONER ORIENTP oval head
    The rotary tensioner type Orient works as a fixed device and inside there are neither halical springs nor elastomers .ORIENT-P with a polyethylene 1'000'000 UHMW head and with a dynamic friction factor that is 0,06 dry steel.
  2. 2
    CHAIN TENSIONER ORIENTP round head
    The rotary tensioner type Orient works as a fixed device and inside there are neither halical springs nor elastomers .ORIENT-P with a polyethylene 1'000'000 UHMW head and with a dynamic friction factor that is 0,06 dry steel.