Modular pallet conveyor system XT - FlexLink - #9

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Friction between chain and pallet
In most cases, the coefficient of friction for contact between plain chain and pallet is between 0,1 and 0,35.
Temperature limits
xl
xlp
ment temperatures from -20 °C to +60 °C. Temperatures up to +100 °C can be tolerated for short periods (clean­ing, rinsing). x85
Maximum conveyor length X85P
The maximum length of a conveyor depends on the ten­sion in the chain, the speed, and the capacity of the drive xh unit.
It is important to calculate and compare the maximum chain tension and the capacity of the drive unit in the fol- xk
lowing situations:
• Heavy load xkp
• Accumulation
xb gr cs
• High speed
• Long conveyor
• Frequent starts and stops (high service factor).
Static electricity
The standard plastic materials used for conveyors all have low electrical conductivity. This means that static
electricity can build up on the conveyor. If the chain runs
xc
on plastic slide rails, no inherent discharge path exists for the static electricity.
When a conveyor is running under normal operating xf
conditions but without pallets, the following static build-up can be measured:
fst
At the drive unit.................................. 2000-2500 V
At the idler end unit............................ 400-500 V
At a wheel bend................................. 400-500 V xmy
At a straight section............................ 300-400 V
A pallet running on the conveyor can also build up static xlx
electricity. The worst case is with accumulated pallets. Discharge is normally taking place when the pallets are
transferred to or from the conveyor. In static sensitive xmx
applications, a number of measures can be taken to
reduce the risk of excessive static charges. qrx
1 Ensure that the relative humidity is minimum 40%.
PQY
2 Install static discharge wipers immediately before sensitive points on the conveyor.
Components for static sensitive environments
Some FlexLink chains and slide rail can be ordered in carbon loaded versions. The carbon loaded material has high conductivity.
Contact your FlexLink Systems representative for additional information.
© FlexLink-
221
Technical information

pageCatalog pdf di En 2012-05-22-29