ROLL FORMING PROCESS: how roll forming machines work(2019)

Roll forming, also spelled rollforming , is a type of rolling involving the continuous bending of a long strip of sheet metal (typically coiled steel) into a desired cross-section.
Roll forming involves uncoiling a long strip of metal, and sending it through several stacks of rollers set up in a long line.
It is performed at room temperature, hence the moniker ‘cold’, which is often dropped.
Roll forming at room temperature maintains or even improves the properties of the feedstock material.
The strip passes through sets of rolls mounted on consecutive stands, each set performing only an incremental part of the bend, until the desired cross-section (profile) is obtained. Roll forming is ideal for producing constant-profile parts with long lengths and in large quantities.
Roll forming is, among the manufacturing processes, one of the simplest . Cold roll forming is a method of shaping hard metals, such as steels and stainless steels.
The strip is fed through an entry guide to properly align the material as it passes through the rolls of the mill, each set of rolls forming a bend until the material reaches its desired shape.

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[vahidimanian]

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[ghasembagheri]

The material is usually inserted in sheet form or fed from a continuous coil.
The next section, the station rollers, is where the actual roll forming takes place, where the stations are located, and where the metal shapes as it makes its way through the process.
Station rollers not only shape the metal, but are the main driving force of the machine.
The next section of a basic roll forming machine is the cut off press, where the metal is cut to a pre-determined length.
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[fatemejafari]

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[stencydura]

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[lotosforming]

Roll forming is used instead of extrusion, where the metal required cannot easily be extruded, or where the features along the length of the part are uneconomic to add to an extrusion, or where an extrusion is not accurate enough.

[ghasembagheri]

Roll Forming Techniques
There are two common roll forming techniques with variations:
1) Pre-cut or cut-to-length roll forming
Strips are pre-cut and processed, then fed into the roll former as individual strips. These strips may be cut from a coil or sheet.

[CMWVR]

What theories do you need to know to calculate the rolling process.

[loramercie]

Cold roll forming is a method of shaping hard metals, such as steels and stainless steels.

[hamank]

also, During post cut line operation, the roll-formed panel runs continuously after roll forming.

[alvinadams]

Rollers are widely used today in most construction projects such as road construction or construction.

[rozhill]

Roll forming is an interesting process

[vahidimanian]

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[atliburns]

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[ariyanbaker]

Roll formation is an interesting process

[burhanaddinhamnawa]

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[alfredmo]

Although, Designing a roll forming process is an optimization process

[grantdorsy]

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[parsisbell]

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[vahidimanian]

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[alisn]

however, LOTOSFORMING is a professional roll forming machine manufacturers in china.