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Air motor provides positioning for bagging machine

By Huco Dynatork on

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To complete its design of a system to bag-up meat and cheese and apply appropriate label information, packaging machine manufacturer Greydon used the Huco Dynatork piston air motor.

The Greydon Bagaire Taped Bag Loader utilised the motor for efficient bag opening and filling, and also for code dating with inkjet or contact printers.

The machine presents the bags by winding up a leader tape and pulling the bags up from the table.

Shop air is used via an air amplifier to blow open the bag for manual filling by the operator, who simultaneously breaks the bag away from the tape.

The Huco Dynatork motor advances the bags quickly and stops them precisely in exactly the same location for opening and printing.

As it is available with an acetyl housing, this motor is able to withstand the most caustic acids and chlorinated sanitisers used in the food and pharmaceutical industries.

In operation, air up to 100lb/in2 is supplied to each of three pistons in turn via an integral rotary valve.

The free-floating pistons transmit torque on start-up that can be adjusted via a pressure regulator, resulting in high torque at variable low speed and low noise.

As the air motor traps the compressed air within the piston/cylinder, maximum energy conversion is assured.

The motor is said to be much easier to seal than its vane counterpart and, as a result, consumes up to 80 per cent less air than a vane motor, providing cost savings even at maximum torque.

Huco Dynatork air motors are available with maximum torque rates of up to 16Nm or up to 550Nm with a gearbox.

Huco Dynatork

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Huco Dynatork is a world-class manufacturer of flexible couplings.

Whether the need is for high torsional stiffness, generous misalignment capability, high-speed operation or a capacity for operating in push/pull mode, Huco Dynatork can help. And if your requirements fall outside our standard range, we offer a customised service and cost-efficient small-batch production. 

Our range is highly comprehensive, comprising membrane and bellows high-performance couplings; Oldham and Uni-Lat general-purpose motion control couplings; Single-Beam, Multi-Beam and Step-Beam brands; and jaw/spider and double loop light power drive couplings. We also stock stainless steel and plastic universal joints.

Although the design and manufacture of couplings remains the cornerstone of our business, this is just one of the company's five main product groups. Huco Dynatork piston air motors is one of them, the only brand that can be used for precision motion control. 

Our quality hallmark is also impressed onto a huge range of power transmission and motion control components that have distinct design and performance benefits over other products in the market. In addition to an extensive choice of stock gears, racks, ground shafts and spline shafts, the product programme also includes the comprehensive BSA range of leadscrews and ballscrews.

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