Machine architecture lowers CNC costs

Unison-preview-edit_tmb Techniques for optimising productivity of tubular part manufacturing will be highlighted by Unison at Southern Manufacturing 2016. Company experts will be on hand to discuss how a new machine architecture, designed to dramatically lower the costs of CNC precision tube bending, can be applied to advantage in common applications including prototyping, small-batch production, and MRO.

All-electric tube bending machines are now available for much larger sizes, including tube and pipe diameters up to 10inches. This opens up major new efficiencies for users in areas including shipbuilding and processing plants, says the company, allowing them to replace older hydraulically-powered benders with software-controlled machines.

Another attraction is the manually powered tube bender, EvBend. It reduces the entry costs to precision rotary draw tube bending. It uses manual operations to feed and rotate tubing and apply bending force, but employs smart CNC-controlled braking on the carriage feed, rotation and bend arm axes to ensure part shapes are formed with the highest accuracy. The EvBend 1000 is believed to be the simplest high precision CNC tube bending solution available today for small-diameter tubing up to 22mm, and is currently in use with over 100 companies from general fabricators to aerospace and motorsports manufacturers. A recently introduced larger version extends the manual operational principle by providing some servo-based power assistance to allow bending of tube diameters up to 2inches.

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