The development of crusher components

Up to now, pumps, valves and hydraulic components (ball mill) needed in small engineering machinery basically rely on import. The foreign corollary parts enterprises should first satisfy the demands from its domestic enterprises. Second, they should also meet the demand of the foreign-funded enterprises in China. At last, the demands from Chinese enterprises should be considered. The restrained affect from this situation on our engineering machinery enterprises is going to become more and more evident. Among the engineering machinery enterprises this year, it has taken as long as a year and a half for some of them to pay off the money to the foreign corollary enterprises.
Belt conveyor is machinery used to continuously transfer materials on a certain line; it is also known as continuous conveyor. Conveyor can transfer materials in horizontal, inclined and vertical ways, it also can be composed of space transportation line, and the conveyor lines are generally fixed. Conveyor has big transferring capacity and long transferring distance, you can also simultaneously complete a number of processing operations in the transportation process, so it is has very wide application ranges.
Conveyor should generally be started under no-load conditions. If sequentially install a number of belt conveyors, we should adopt a starter that can be locked, so that we can control starting and stopping room according to a certain order. In addition, to prevent incidents, each of the conveyors should also be set local start or stop button so that you can stop any one alone. In order to prevent the conveyor belt longitudinal tearing due to some reasons, when the conveyor length exceeds 30m, we install a stop button at some distance intervals (such as 25-30m) along the conveyor.
Types of feeding systems
Bowl feeders: consists of a bowl top with a spiral track inside the bowl. The component parts are delivered from the bottom of the bowl feeder up the track into the top of the feeder as the bowl vibrates. The parts are the positioned in the proper position. These parts are usually then fed on to a vibratory or air track
Centrifugal feeders: also referred as ‘rotary feeders’, have a conical central driven rotor surrounded by a circular bowl wall. The feeder separate component parts utilizing rotary force and the parts revolve with high speed and are pulled to the outside of the bowl.
Step feeders: The component parts are collected from the hopper by elevating plates, pre-sorted and fed until they reach the desired transfer height. Key features of step feeder are that it operates quietly and without vibration.
Linear feeders: Horizontal conveying of components. Used to handle irregular supplies of parts from upstream equipment, creating a buffer store and smooth flow for further processes. Special application: Multi-track design, carpet feeder.
 

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