The purpose of take-up devices in belt conveyors is to establish and maintain a predetermined level of tension in the belt. The table below shows extractions from various take up design guides on the key design criteria selection for the design of a take up system.
| Belt Type | Permanent Elongation Δp (%) | Elastic Stretch Δe (%) | Splicing Allowance Δs (%) | Automatic or Manual | |
|---|---|---|---|---|---|
|
Textile-reinforced conveyor belting
|
1.5
|
2.5
|
1.2
|
Manual
|
|
|
Steel cord reinforced conveyor belting
|
0.05
|
0.2
|
2
|
Manual
|
|
|
Textile-reinforced conveyor belting
|
1.5
|
1
|
1.2
|
Automatic
|
|
|
Steel cord reinforced conveyor belting
|
0.05
|
0.15
|
2
|
Automatic
|
|
|
PVC Solid Woven Belting
|
1.5
|
2.5
|
1.2
|
Manual
|
|
|
PVC Solid Woven Belting
|
1.5
|
1
|
1.2
|
Automatic
|
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