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MANUFACTURING TECHNOLOGY


Rotary punching renovates the building profi le industry


Baust Stanztechnologie GmbH says that it has developed an innovative punching method that will enable building profi le manufacturers to cut production costs.


the bottleneck when in-line with a roll-forming process. The up-and-down movement of a stroke-punch puts a ‘stop & go’ to the otherwise fl owing process of the profi ling plant. By contrast, rotary punching works on a system of rollers, just like a rolling mill. Based on the same principle, roll former and rotary press can run at the same line speed, eliminating the bottleneck previously caused by stroke punching. Baust rotary punch presses can reach production speeds of up to 200 metres per minute, continuously processing materials


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aust explains that its innovation has the potential to replace the widespread stroke-punching technology in continuous metal profi le manufacturing lines. Due to its design, conventional stroke-punching often becomes


such as metal, plastic or paper. Even metal profi les of up to 3mm thickness can be processed. Further advantages include a lower strain on material,


machine and production fl oor, as well as reduced set-up and change-over times due to the straightforward integration of the punching equipment into a profi ling line. The rotation principle can be applied to a number of different


sectors. It is already being used in the electrical installations industry for manufacturing cable ducts and in the building industry for a broad range of construction and dry wall building profi les, as well as in rack and shelf systems. Baust can also offer individual concepts, particularly due to the great variety of customers who already use its technology.


LeanFX gaining worldwide recognition


National Machinery LLC explains that in today’s ever changing global marketplace, where investment budgets have been reduced but the need for high quality, profi t producing equipment has increased; its LeanFX is helping deliver results and at the same time gaining worldwide recognition with installations in North America, South America, Europe and Asia.


ustomers are discovering the LeanFX’s capability to not only produce standard but complex parts to tighter tolerances through the machine’s linear feed system and large die space. The linear feed system advances wire more accurately and provides better volume control of the cut off blank. While the large die space


allows the user to run larger, higher, tonnage parts on a small and fast machine. National Machinery also points out that part product can be made at high speeds


due to the LeanFX’s superior engineering across machine components, in particular the straight across transfer system. Straight across transfer maintains part concentricity and produces evenly fi lled shoulders and heads on fasteners by accurately delivering and positioning the blank on the centre of the die. A direct result of this accuracy is the high speeds at which the machine can form parts. LeanFX has carried over other features from the FORMAX that lead to its component durability and extended machine life. The


sealed zero clearance heading slide provides long term parts forming consistency and longer tool life by delivering excellent tool and die registration. The clearances in both the vertical and horizontal planes are eliminated during the working stroke for more accurate and consistent tool to die registration. Also the entire heading slide is sealed off from foreign material that can cause wear and lead to excessive clearance. Additional cost saving are achieved by LeanFX offering less quick change features than the traditional FORMAX. The LeanFX’s change over time is longer than FORMAX but still considerably less than traditional formers.


112 Fastener + Fixing Magazine • Issue 71 September 2011


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