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TOX®-Clinching & Sheet Metal Joining

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AU: +49 751 50070
  • TOX®-Joints on customer piece part
  • Phase 1 of TOX®-Joint creation: Penetration
  • Phase 2: Interlock formation of punch side sheet metal
  • Completed TOX®-Joint
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TOX®-Clinching: Riveting without rivets!

TOX®-Clinching is a simple joining technique that does not required additional elements or heat.The Clinching process produces a button-type, positive connection of two or three layers of sheet metal using a cold-forming process. It uses the solid die cavity patented by TOX® PRESSOTECHNIK. Due to its cost effectiveness and reliability, TOX®-Clinching is highly regarded by the whole sheet metal working industry. Get a quote today!

As clinching specialists, we have expertise in the following areas:

 

Basics of the Joining – the TOX®-Joining Technology

Schematic functioning of the TOX®-Point

Forming the TOX®-Round Joint

  1. Penetration
  2. Setting up
  3. Emergence of upper contour
  4. Filling of ring groove
  5. Lateral spreading of punch side material
  6. Finished TOX®-Round Joint

The principle of TOX®-Clinching:

Clinching defines a joining process according to DIN 8593 of the production technology. With the clinching process sheet metals of different thicknesses or other materials, even with adhesives or other intermediate layers are joined in a cold forming process. In industrial applications clinching is being applied for single sheet thicknesses of 0.1 mm up to a total layer thickness of 12 mm / .47" and up to 800 N/mm2 / 5.7 lbf/in2 tensile strength.

TOX® PRESSOTECHNIK offers all the components needed for the Joining Technique: from technical support provided with the TOX®-Test Report, as far as complete turnkey plants. Many satisfied customers in the automobile, white goods and computer industries, as well as machine integrators confirm: "You can rely on TOX® PRESSOTECHNIK!"

Learn more about TOX®-Clinching and the different clinching point shapes.

The strength behind the TOX®-Joint

In the TOX®-Round Joint process, the material strain hardening in the neck area and the lacking of any notch effects produce the high retaining forces. This is the direct result of the fixed, rigid die. Static strength up to 70% of a spot weld, with positive strain hardening, without damage to the surface coating and typically more economical.

Fatigue strength under the most adverse conditions

Corrosion tests have shown that because the surface coating is not damaged during the round joint process, the anti-corrosive properties of the joined sheet metals, e.g., aluminized or galvanized, are maintained. The TOX®-joining does not cut the surface of the materials to be joined, as the coating flows with the material and remains intact. 

Quality Control - The control dimension "X"

Resistance to pull and shear loads is dependent on the control dimension “X”, provided that the joining parameters and the service life of the tools have been observed. 

Advantages of the TOX®-Clinching Technology

1

Economical - clinching is significantly more cost efficient than spot welding

2

Reliable - we guarantee joint strength values

3

Versatile - clinching is usable for numerous material combinations

4

Environmentally friendly - clinching is energy saving, clean and quiet

5

User oriented - technology and all production equipment comes from TOX® PRESSOTECHNIK

For many metal joinings, TOX®-Clinching is the optimal, most favourable and environmentally sound solution.

More advantages:

  • Sheet metal joining using only the parent materials
  • Best solution even for different material combinations
  • Total sheet thicknesses from 0.3 mm up to 12 mm
  • No damage to the surface
  • No contamination or rework
  • Can also be used with intermediate layers such as glue or paper
  • No heat generation / no sparks
  • High dynamic strength
  • Long tool life
  • Excellent process monitoring capabilities
  • Decades of experience
Customer Projects with TOX®-Clinching
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Joining of Stainless Steel

Stainless steel presents special requirements for forming processes. The required higher forming forces result in higher surface stresses on the joining tools. The TOX®-Joining Technology can be used safely and efficiently even for stainless steel applications. Continuous tool development and experience with many applications have resulted in high tool life.

Related topics

Request TOX®-Test Report

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TOX®-Clinching Tools

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Address

TOX® PRESSOTECHNIK GmbH & Co. KG
Service: +61 3 9028 5087
Phone: +49 751 50070
Fax: +49 751 52391
Contact
AU: +49 751 50070 Contact form
©TOX® PRESSOTECHNIK GmbH & Co.KG
 
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