The process of roll forming is a continuous operation wherein a long metal strip /coiled steel is allowed to pass through consecutive sets of rolls at a room temperature. Each set of rolls perform the required incremental parts of the bend till the desired cross section of the metal strip is achieved.
The Roll forming technology combines many of the secondary metal forming operations like welding, stamping and this reduces the individual machineries' operational installation and capital costs. This is creates typically products with superior surface finishes, meeting the consistent uniformity and dimensional tolerances. Material gauges of merely. 010 inches to 1.00 inches thick can be just pressed into the required cross section and it is later cut into the required design and size order of the manufacturer.
The installation of the roll form machinery is not very expensive but it requires latest machinery installation and trouble solving knowledge. There are many online classes and workshops which train technicians, Engineers to follow a systemic approach to solve the day today issues and problems during the installation of these roll out machinery.
Apart from pointing out the features if one compares it with the Extrusions the undeniable advantage of the Roll form machine's efficiency can be noted. Roll forming can combine embossing, punching as well as contouring to add up value and reduce machine costs but extrusion and its application is limited and its draw backs are evidently visible when the sheet/metal strip which is induced to extrusion is checked for flaws.
When competing with the stamping and press breaking the additional dies' costs for stamping and the roll form machine's exceptional ability to produce extensive sheets of metal/steel strips of required cross section just adds up the positive aspects of this forming when compared with other metal forming processes. Moreover the high strength of the rolled out steel and its flexibility along with its low weight makes many industries to install such kind of machines to meet their daily steel size requirements.
Moreover the end results of roll form products includes its unique designs and integral application in many industries [ from agriculture to aerospace ] its production efficiency, quality output and design capabilities which has made many designers/engineers prefer this roll kind of metal forming from the other types of metal forming techniques. The low cost installation of the roll machinery process and the unique features of this roll form products urge many to set up its unit in their industries.
03 Aug, 2011--
Source: http://goarticles.com/article/THE-BENEFITS-OF-ROLL-FORMING-TECHNOLOGY/5093427/
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