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Rocktec Heavy Duty Plate Apron Feeders

 

Rocktec Heavy Duty Plate Apron Feeders

Rocktec Heavy Duty Plate Apron Feeders

Designed for mine sites and primary quarry applications, where high impact and abrasion loads are likely to be encountered, as well as heavy weight loadings, we have models to suit all. The overlapping, thick manganese pans are bolted to HD crawler tractor chain and driven by toughened segmented sprockets. Heavy duty bearings support the head and tail shaft whilst the chain and pans are supported by a series of steel support rollers. Due to the high shock loadings, central impact bars run the length of the feeder to prevent permanent distortion of the pans.

  • D4, D6, D9 models
  • Heavy duty cast pans
  • Electric or hydraulic drive
  • 200 - 10,000 tonnes per hour
  • Feed size 20 - 2000mm

Heavy Duty Frame The main frame is constructed from beams and cross members welded together to give maximum continuous strength and support along the complete length of the feeder.

Rollers The carry rollers are standard HD crawler tractor type and spaced to eliminate any sag in the chain. Twin flanges greatly reduce the loading on each roller.

Chain Take-up Hydraulic rams ensure that the chain can be tensioned correctly by the operator or maintenance personnel without the need for specialised heavy duty equipment. Locking assemblies ensure chain is maintained at correct tension.

Sprockets The odd number of teeth allows each tooth to contact the chain on every second rotation to double the life of the sprockets. When it needs replacement, the segmented design allows this to be accomplished with the chain in place.

Heavy Duty Chain All Rocktec Apron Feeders use heavy duty crawler tractor chain, sized to suit the application. This design greatly increases wear life and drive line strength. Salt and standard chain options available.

Shafts Shafts are manufactured from oversized forged steel, and the sprocket hubs are taper locked to the shafts to ensure extended component life.

Impact Rail All Apron Feeders are fitted with either one or two impact rails that prevent permanent deformation of the pans. This is achieved by the rails absorbing the severe impact loadings by transmitting the energy into the heavy duty mainframe.

Bearings Head and tail shafts are mounted on large, double row, self-aligning spherical roller bearings. Minimum design life is 100,000 hours of B10 life. Grease lines are fitted to enable remote lubrication. Automatic greasing systems are available.

Pans Manganese pans are used due to their high resistance to impact and excellent abrasion resistance. Machined surfaces ensure a perfect fit with the chains. We are able to custom design and manufacture pans to suit all applications.

Drive A range of drive options are available including electric and hydraulic. Standard drives are electric with planetary close coupled gearboxes.

 

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