1.A brief introduction to the plate feeder(Apron feeder)

Plate feeder  (plate feeding machine) is a kind of continuous conveying material machinery, which is used for continuous and uniform distribution and operation of materials along the horizontal or inclined direction for the crusher, conveyor or other working machineries. It can work reliably in high temperature and high humidity harsh environment, especially it is most suitable for transporting large and sharp materials of high temperature , and can work in humid harsh environment outdoors .

2. Reason analysis of the common fault of the apron feeder

（1）Due to the high load operation of the plate feeding machine for a long time, metal fatigue appears at the bearing, which further affects the safe operation of the equipment.

（2）The torsion force of the apron feeder is very large, so the bearing position is generally used with the discharge sleeve in the design. When the clearance between the discharge sleeve and the shaft has error, with the long time of use, it will inevitably lead to the bearing moving, and then aggravate the wear of the bearing.

（3）Because the bearing is installed on the release sleeve, the axial force positioning is mainly positioned by the front reducer against the spacer sleeve , when the reducer shuttles, it affects the stability of the bearing fixed, resulting in axial shuttling, and then the wear of the bearing.

3. Several Repair Methods

(1) Brush plating

The advantage is that it can be repaired online, but the disadvantage is equally obvious. Brush coating is limited by the wear, the general brush coating thickness is less than 0.2mm. When the wear is greater than 0.2mm, the efficiency  of the brush plating will be reduced, and when the brush coating is too thick, the brush coating is easy to fall off in the process of use, and the service life is short.

(2) Repair by welding machine after overall disassembly

Repairing by welding machine is one of the most common ways in traditional repairing , which is characterized by high repairing precision. The disadvantage is that it is easy to cause stress concentration or bending deformation of the shaft in the repair process of the small shaft. Repairing for the bearing position of the apron feeder and other large shafts can not be repair immediately while disassembly and transportation will increase the repair cost and repair cycle, and for high machining equipment requirements and  the  low comprehensive cost performance will affect the normal production of enterprises and increase the maintenance cost.

4. Replacement with new parts

For the wear and tear of the bearing of the plate feeding machine, the method of replacing parts with other parts is not only high cost, but also high supply cycle ,disassembly and transportation, which is generally not adopted by enterprises as a last resort. 

Above we introduced Analysis of Varied Repair Methods and Options for Wear at the Bearing position of the Plate Feeder (Apron Feeder). The HENAN EXCELLENT MACHINERY CO.,LTD is a professional bulk material conveying equipment manufacturer. We have professional production capacity and rich production experience as well as strict product quality inspection . We can guarantee that every equipment we produced is qualified equipment, and we ensure the qualified rate of the products. To know more about our products, Please visit our official website: https://www.exctmach.com/.