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VLT Free Roller Sets


VLT offers two types of free roller sets, developed for intensive and heavy use in automobile Test Stations. There are two models; the first one is a 8000 kg three rollers pair and the second one is a 16000 kg four rollers pair. Both models have a hydraulic lifting system between the rollers and a roller Braking System for safe driving over the rollers when not in use, and for easy driving out of the rollers after use of the free rollers.


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VLT Free Roller Sets

Sku: VLT-007

VLT offers two types of free roller sets, developed for intensive and heavy use in automobile Test Stations. There are two models; the first one is a 8000 kg three rollers pair and the second one is a 16000 kg four rollers pair. Both models have a hydraulic lifting system between the rollers and a roller Braking System for safe driving over the rollers when not in use, and for easy driving out of the rollers after use of the free rollers.

Free rollers are needed for testing speed on Speedometers for vehicles with double drive axles and can be used for older types of vehicles with double drive rear axles in combination with a transmission handbrake on the propeller shaft.
On modern vehicles transmission handbrakes are no longer installed.

The VLT free roller sets have an aluminium coating on the rollers as corrosion protection. Again, VLT decided to use the more expensive hydraulic lifting and braking system instead of the more common pneumatic system because the hydraulic system is more powerful and more reliable.

Normally the VLT Speedometer and the VLT free roller set share the same hydraulic pump and are controlled by the VLT Speedometer controller.

Technical Specifications

VLT FREE ROLLER SETS
One model for stand-alone and / or testlane useVLT 8103VLT 16104
Maximum testing speed standard120 km/h100 km/h
Maximum testing speed short time140 km/h120 km/h
Number of rollers each side34
Roller dimensions238 x 950 mm238 x 1100 mm
Centre-to-centre rollers290 mm290 mm
Working length (driving direction)580 mm870 mm
Maximum testing weight (axle)8000 kg16000 kg
Maximum drive-over weight (axle)10000 kg20000 kg
Lifting / braking system rollershydraulichydraulic
Hydraulic supplyfrom speedometer pumpfrom speedometer pump
Roller set dimensions1280 x 1015 x 640 mm1430 x 1255 x 640 mm
Approx. nett weight1990 kg2660 kg
Hydraulic pump option (if not in combination with VLT Speedometer Tester)
Hydraulic pump unit 400 V, 3 phase, 50 Hz3.0 kW3.0 kW`
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