Drives and Control Solutions

Motors, Control Solutions, Power Transmission and Advanced Motion Technology                                                                 

August 27, 2019

Festo has launched its own family of US-made, inch round body pneumatic cylinders – the DPRA series – to give OEM and MRO customers a high quality, direct replacement option for the non-repairable round body inch cylinder type used widely in North America.

DPRA cylinders are robust, reliable and priced competitively. They are built for a long service life, with a 304 stainless steel housing and a piston rod made of 303 stainless steel rather than the carbon steel others use; stainless steel provides superior corrosion resistance, even in harsh environments. They also boast low-friction U-cup seals that are inherently wear compensating to provide a long trouble-free cycle life, premium lubrication for maintenance-free performance and full ports and cross slots for quick response and full force performance. Their sintered bronze Rod bushing is oil-impregnated for low friction, supports a high load bearing capacity and assures excellent wear characteristics to maintain high performance over time.

DPRA cylinders are among the first Festo-branded products manufactured by Florida-based Fabco-Air since the latter was acquired by Festo almost a year ago specifically to enhance its North American product line-up with inch cylinder products like DPRA and Fabco’s Pancake® type cylinders. Festo already is a world leader in designing and manufacturing metric cylinders, like the round body DSNU. While many manufacturers have moved to metric cylinders, there continues to be a large market in North America for inch sizing. Small round body cylinders are widely used in industries such as Electronics and Assembly where they fit into tight spaces on compact machines performing functions like loading or positioning PCBs, clamping, testing and relay production, and in end-of-line packaging for functions like sorting or flipping gates on a conveyor. They are generally favoured where users need small diameter, ease of installation, a short stroke (less than 12”), or lighter weight.

The DPRA cylinder family covers all of those bases and more. They are available in five variants, with seven bore sizes (soon to be 12), eight possible configuration options as well as sensor and mounting accessories. A further expansion early next year will include additional cushioning options. These made-in-USA inch cylinders with Festo quality are part of the company’s core product range, meaning delivery is assured in five days or less.


Editor's Pick: Featured Article


 

The savings keep coming when you use a variable frequency drive (VFD) with synchronous bypass and transfer capabilities. It can help reduce up-front capital costs and long-term energy and maintenance costs in various motor-control applications. And along with the cost savings, the VFD can help you increase efficiency and achieve more flexible process control.

A VFD with synchronous capabilities allows you to operate one motor continuously with variable speed control or to start and synchronize multiple motors. It also gives you the ability to soft start large motors.

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As a leading manufacturer of drive technology, we also supply mechanical variable-speed gearmotors. For both series, VARIBLOC®and VARIMOT®, you can easily infinitely adjust the speed mechanically using a handwheel or remote control.

Speeds of up to 45 kW can be easily adjusted mechanically

Mechanical variable-speed gearmotors are simple yet robust drive components that represent an inexpensive alternative in many materials handling and process engineering applications. This is because you control the speed infinitely variably yourself: mechanically using a handwheel or via remote control. The process does not involve any costly control cabinets or frequency inverters at all.

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