If you are in the metal roofing or gutter industry, you are likely to see one of these roof roll forming machines sitting in plants. Roof roll forming machines, also known as metal roofing machines and roof sheet making machines, are a metal roofing equipment that produces metal roof panels from aluminum, zinc, copper or even stainless steel with galvanized steel and aluminum being the most popular material used for metal roofing.
The operation of a roof roll forming machine is not very complicated, as both the in-plant metal roofing machine and portable in-plant metal roofing machines work pretty much the same way:
1. The metal coil materials are fed into a roof roll forming machine from the decoiler.
2. The metal is delivered by the driver rollers through the inside of the roof roll forming machine.
3. The metal reaches each forming station by going through the former rollers. At each of the forming station, the desired end products are gradually formed by the 4. panel and gutter. There are typically more than 10 rolling stations located on each side of a roof roll forming machine.
4. The panel or gutter is cut using a guillotine or a shear at a specific length. The length can either be measured manually or by computer control (can either be manual or automated depending on the machine).
In this section, we’ll introduce the two most common types of roof roll forming machines: the standing seam roll forming machine and corrugated roof sheet making machine.
● Standing Seam Roll Forming Machine: This type of roof roll forming machine works by turning fed metal coils into actual metal roof panels by roll forming. This type of machine can either come as stationary or portable. The stationary standing seam roll forming machines are mostly used on site, while the stationary ones can only be operated in workshops.
The basic process of this type of roof roll forming machine is very similar to that of mentioned above. Standing seam panels are produced by feeding metal coil into a roll former and are cut based on the required length. A standing seam roof panel roll former typically consists of a roll former, a manual decoiler, cutting unit, control unit and supporting tables.
● Corrugated Sheet Roll Forming Machine: This type of roof roll forming machine produces metal roof panels in corrugation or sinusoidal shapes. The corrugated sheet roll forming machine utilizes a corrugated metal roofing system that provides superb corrosion resistance, energy efficiency as well as sustainability. This type of roof panels is an economical alternative to the traditional roods and premium metal roofs. Corrugated sheet roll forming machines are actually one of the most prevalent metal roofing machines in Africa.
Here we’ve outlined some of the key advantages of a roof roll forming machine:
● High Efficiency: Metal roof roll forming machines are highly efficient as they are capable of producing 20 to 35m of roof panels per minute. That is almost equivalent to 9600m per shift (8 hours a day).
● Long Lifespan: Roof roll forming machines are typically plated with hard chrome on the surface to make it as robust as possible. They also include heat treatment for cutting frame to alleviate steel stress and avoid deformation. Cutting tool is also made with rigid steel with quenched treatment, all of which ensure the longevity of the roof roll forming machines.
● High Precision: Many roof roll forming machines these days are equipped with the CNC capability, which ensure maximum precision performance during the roof panel making process. Shafts for rollers are typically tooled by grinding machines at least twice as well.
● Easy Operation: Don’t be intimidated by the look of a roof roll forming machine. It is actually very safe and easy to operate a CNC roof roll forming machine that usually comes with a touch screen operating system. It offers a friendly worker-machine interaction.
Some of the disadvantages may include the fact that operators are still required to be trained to operate one of these machines despite the user-friendly interface, which may incur extra overhead cost. Also, you need to take extra care of a roof roll forming machine by properly cleaning, lubricating and maintaining all components of your machine. Last but not least, a roof roll forming machine may be a substantial investment in which you need to account for the upfront cost, finance, leasing etc.
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