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Bend a Nine Fold Profile Like a Pro: 2 Easy Methods

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Looking for a stronger and more durable cabinet solution? Look no further than the nine-fold profile!

This innovative cabinet design, developed by Rittal Company in Germany, boasts a closed column and beam structure made from cold-rolled steel plate.

Not only does it provide higher strength compared to traditional open beam and C profile structures, but it also offers high force, low cost, and takes up minimal space.

In this article, we’ll dive into the details of the nine-fold profile, including its applications, materials, and surface treatment, as well as provide two methods for bending it. So, if you’re interested in learning more about this cutting-edge cabinet technology, read on!

What is nine fold profile?

What is nine fold profile

The nine-fold profile gets its name from the nine bends in the column and beam structure. It is made from cold-rolled steel plate that has been rolled by a roll forming machine.

roll form nine fold profile

Before detailing the process of using a press brake machine to bend a nine-fold profile, let’s first discuss the use of the nine-fold profile.

Nine fold profiles applications

The nine-fold profiles are primarily used for cabinet production. The cabinets made from these profiles have a closed column and beam structure, providing higher strength compared to traditional open beam and C profile structures. They offer high force, low cost, take up minimal space, and are highly favored by users. The technology for processing these cabinets was developed by Rittal Company in Germany and has since been copied by Chinese domestic enterprises.

nine fold cabinet

Materials of nine-fold profile cabinet:

The materials used for the nine-fold profiles include national standard cold-rolled steel plates and high-grade stainless steel, such as SUS304L for the food and beverage industry, SUS316L for the medical and pharmaceutical industry, and SUS201 as an economical stainless steel option.

The thickness:

  • Door panel: 2.0mm;
  • Cabinet body: 1.5mm;
  • Frame: 1.5mm;
  • Back and side panels: 1.5mm;
  • Mounting plate: 3.0mm (2.5mm optional).
Materials of nine-fold profile cabinet

Surface treatment of the cabinet with nine-fold profile:

The steel plates for the cabinet body, base, and door undergo 12 international standard pre-treatment processes, including pickling, phosphating, dewaxing, washing, and purification. After these processes, the surface is coated with plastic and can be painted in any color as required. Stainless steel is typically treated with double-sided drawing.

Surface treatment of the cabinet with nine-fold profile

Standard components of a nine-fold profile cabinet include:

  • Nine-fold profile frame
  • Front door
  • Mounting plate
  • Back plate
  • Top plate
  • Side plate
  • Base
  • Hoop
  • Three-stage galvanized feed base plate
  • Pair of perforated beams
  • Three-point double-tooth lock for tie rod
  • Craft handle lock
  • Galvanized square tube for cabinet door
  • Reinforcing ribs
  • Polyurethane foam sealing strip.

Typically, the nine-fold profile can be purchased rather than made by the sheet metal shop. In special circumstances, sheet metal fabricators can also bend their own profiles.

How to bending nine fold profile

The following are two methods to bend a nine-fold profile.

First method

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first method to bend a nine-fold profile

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first method to bend a nine-fold profile

Step 3

first method to bend a nine-fold profile

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first method to bend a nine-fold profile

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first method to bend a nine-fold profile

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first method to bend a nine-fold profile

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first method to bend a nine-fold profile

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first method to bend a nine-fold profile

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first method to bend a nine-fold profile

Second Method

Step 1

second method to bend a nine-fold profile

Step 2

second method to bend a nine-fold profile

Step 3

second method to bend a nine-fold profile

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second method to bend a nine-fold profile

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second method to bend a nine-fold profile

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second method to bend a nine-fold profile

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second method to bend a nine-fold profile

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second method to bend a nine-fold profile

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second method to bend a nine-fold profile

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second method to bend a nine-fold profile

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second method to bend a nine-fold profile

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