When considering which type of mechanical intake system to use, the first thing to consider is the type of products to be handled. If the products are all free flowing such as cereals, then a chain and flight conveyor system will be suitable.If the products also include meals and very light products these might not be suitable for a chain and flight conveyor and then a more universal screw conveyor system may be the answer. This is because chain and flight conveyor systems generally use a side inlet configuration to enable control of the depth of the product in the conveyor casing. This can lead to a narrow aperture for the product to pass through and this does not suit products that are likely to bridge.Other considerations are that a screw conveyor intake would generally be shorter as it is not good practice to have a hanger bearing to support the worm on pipe inside the hopper area. This can be achieved, but access for regular lubrication also has tobe considered.
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