Volumetric and weighing feeders are mostly used to incorporate additives into mixes. The volumetric feeder consists of a conveyor on top of which a small covered bin is mounted. The front wall is equipped with an adjustable gate to meter the material coming out of the feeder. It is generally controlled by a variable-frequency drive (VFD) which allows the operator to adjust the flow without having to manually adjust the front gate. The weighing screw feeder meters material with a stainless steel auger feeder. The weight is measured by a load cell, which is monitored by the system’s Programmable Logic Controller (PLC). On top of the feeder is the surge hopper in which the additive is placed. A pneumatic butterfly valve opens and closes to refill the feeder.
PTC Volumetric and Weighing Feeders
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加拿大
Premier Tech Chronos
Premier Tech Chronos (PTC) was born in 1989, based in Canada and with offices all around the world, PTC is the packaging equipment group of Premier Tech. PTC is among the largest packaging equipment manufacturers in the world and well-known in the flexible and the rigid packaging industries for its state-of-the-art packaging machines and its complete packaging lines for small- and large-scale production. Its wide product portfolio includes solutions such as bagging scales and feeders, bagging machines, case packing machines, robotic and conventional palletizers, stretch wrappers, stretch hooders, conveyors, etc. Moreover, PTC also offers bulk processing solutions as well as peat moss field equipment, including screening systems, mixing lines, harrows, vacuum harvesters, etc.
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