Carrying and Return Rollers Metso World-Class apron feeders are equipped with stan-dard tractor-type carrying and return rollers to support the deck during operation. Both types of rollers are designed and manufactured for long wear and maintenance-free service. They also feature lifetime lubricated, fully-sealed bearings.
Designed to low stress limits to provide unmatched reliability, Apron Feeder components include a lifetime lubricated chain, carry rollers, return rollers, idler wheels, 100,000 hour bearings and fabricated components. Since there are very few components used in an Apron Feeder, maintenance inventory can often be kept quite low.
In the bunker feed – in area, support rollers are mounted shock – absorbed to reduce the shock loads on the apron feeder construction during tipping. The lifetime lubricated return rollers carry the outside edge of the apron feeder pans on the lower side of the frame.
The maximum sag for Apron Feeder chains is 1.75" or 45mm. On horizontal installations, the sag will be between the return roller. On Apron Feeders inclined up to 25 degrees, the chain sag might appear only at the tail shaft.
RETURN ROLLERS The return rollers on the Apron Feeder are steel rollers with bearing sleeves to support the deck on its return. The rollers are mounted on a stub shaft that is fabricated onto a plate and bolted to the lower joist. CHAIN Crawler tractor type track chains , sealed and lubricated , are used on all Osborn Apron Feeders .
normal operation. Terex Jaques Apron Feeders use heavy-duty crawler tractor track rollers and chain, a fabricated support frame, and high-strength steel head shafts and tail shafts. Using long life components, Terex Jaques Apron
Lastly, apron feeders can reclaim a variety of dry or wet materials of various sizes at a uniform rate. This flexibility can be applied in many applications. Advantages of a tractor chain style apron feeder. A tractor chain style apron feeder refers to the undercarriage chain, rollers and tail wheels that are also used in bulldozers and excavators.
The wear surfaces on Boundary’s manganese feeder pans, which are subject to impact and high-stress abrasion, work harden to over 400 BHN for a long wear life. Proper Fit, Smooth Articulation Our apron feeder pans, for all makes of feeders, are designed, jigged and tested for superior fit.