The construction for Polyurethane timing belt
is composed of the back,tensile layer and belt
tooth these three parts .
(1) Polyurethane Backing
The backing of timing belt is to
cover with felt the tensile component.the
capability is excellent in flexibility and
resistance bent fatigue as well as anti-aging,oil
resistance, wear out resistance.At the inner
surface of the backing has appropriate shap
grooves,with the exception of carfts
requirements,but also it can improve the bent
fatigue properties of tooth and evacuating the
air between belt and tooth while in the process
of running so that eliminating the noise.
(2) Tensile Layer-Steel Cord( or
terylene cord)
The tensile layer is the tensile
component of timing belt for which transfering
the power and ensuring the pitch won't be
changed during running.Multi-strand steel cord)
or terylene cord ) spiraled around the fabric
along the rubber belt width,it defines as pitch
.The tensile layer must be high tensile strength
and bend fatigue strength resistance.Large
elasticity moduls and non-stretched feature
ensure the pitch can't be changed .
(3) Polyurethane Tooth
Polyurethane tooth should be high resistance
shear strength,excellent in resistance wear out
and anti-oil.The requirement for pitch array of
tooth is very high,the belt tooth should be mesh
with pulley correctly,therefore,the correction
requirement for tooth geometry parameter is
considerable strictly.The polyurethane timing
belt is famous for excellent oil resistance and
wear out resistance which is suit for the medium
power high speed condition, the entironment
should be comparative dry and the running
temperature is at -20 �� +80 C ��
Polyurethane endless transmission belt is
made from special molding process.
Excell polyurethane material made the belt
has wear out resistance and tear resistance
performance.
The steel cord increased the belt strength
and tensile resistance made the belt has good
dimensional stability
Small tolerance of polyurethane endless
transmission blet ensured the accuracy of
thickness and length.
Above properties made the polyurethane
transmission belt have higher physical and
chemical stability.
Seamless Polyurethane Timing Belt is applied
to high strength ,high accuracy even high speed
transmssion system.
Polyurethane belt perforamance are
as below:
Mechanism Property
- Stable
Dimension
- Low Pull
- Small Noise
- Wear Out
Resistance
- No need to maintain
-
Excellent Elasticity
- Top linear speed
Chemical Property
- Anti Aging, Anti
Hydrolyze ,Anti UVA Anti-Ozone
-
Work Temperature -30 +80 The Max. degree
within short time can bear +110
- Anti-oil
and anti-ester
- Anti acid, alkaline
cautery resistance
Seamless Polyurethane Timing Belt is
excellent applied to low-load synchronous
hierarchical transmission, such as office
automation systems and home appliances
Polyurethane Timing Belt Type:
XL L H T5 T10 HTD-5M HTD-8M H
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