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Clinching

RIVCLINCH®

Tools and systems for joining metal sheets and profiles without a joining element.

RIVCLINCH® 0404 IP – Portable pneumatic clinching machine

Clinching for metals

Why choose clinching technology?

Clinching uses cold forming to assemble two or more layers of metal sheets. By means of clinching joining technology, steel and stainless steel materials as well as aluminium and other non-ferrous materials are joined together without welding or fasteners. Join metal parts in a cost effective and sustainable way with RIVCLINCH®.

Plus factors

Advantages RIVCLINCH®

Most of our customers have switched from traditional joining methods as welding to clinching to solve their technical issues, reduce their production costs, speed up production, or solve their environmental or safety issue.

Most of our customers have switched from traditional joining methods as welding to clinching to solve their technical issues, reduce their production costs, speed up production, or solve their environmental or safety issue.

  • Economic

    • No consumable items • Very low power consumption • No cooling or electrical installation needed • Short cycle times (under 1 second) • Low maintenance cost • No specific skills required

  • Efficient

    • Very good strength and joint reproducibility • No risk of corrosion • Air tightness • No damage to coating and no burn off • Interim layers or film or adhesive can be incorporated in most case • No thermal load on joining zone • Ensures safety to the users

  • Ecological

    • Low energy use (20 times less electricity consumption than welding) • No fumes, no sparks, no thermal damage • Quiet, simple and fast • No pre / post treatment required, • e.g. no pre-cleaning or subsequent removal of spray deposits around the joint

Method and principle

RIVCLINCH® joining technology

Clinching requires only the sheet metals to be assembled. No consumables such as rivets, glue, screws or welding are needed to assemble the metal parts. During the clinching process, the metal sheets are plastically deformed. A special punch and die causes the creation of the interlock between the sheet metal layers.

A classic RIVCLINCH® clinch joint is created in less than a second. Depending on materials and conditions it can reach 100 to 300ms. Both single points and multiple points can be set at the same time. There is absolutely no specific skills required to use our clinching equipment. It is very fast and simple to clinch. The RIVCLINCH® joining system may be adapted to existing presses or used in custom-built machines, manual machines, robots and stationary tools. 

Typical materials which can be clinched include:

  • Low carbon and micro-alloyed steels
  • Zinc-coated, organic coated and pre-painted steels
  • Stainless steels
  • Lightweight materials, such as ductile aluminium alloys
RIVCLINCH®
RIVCLINCH® creating round or square joining points

Operating instructions

Technical Forum

Are you looking for the operating instruction manual of a specific tool or do you want to know how to maintain your machine? All dedicated information are just one click away.

To our RIVCLINCH® operating instructions

Find the right solution for your application

Assembly systems

Find out more about our assembly systems and suitable add-ons and accessories for your particular application.

  • Automation

    RIVCLINCH® Automation E

    Benefit from the new key facts

    • Modular electrical lightweight system
    • High joint quality and a wide application range due to
      • dies with spring segments
      • path-controlled process with adjustable residence times that allows maximum undercut values
    • Low-maintenance drive with 67 kN total force
    • Compact, robust and reduced-weight with C-Frame Select
    • Modular design with mechanical strippers and punches in various sizes for different joining forces
    • One supply unit for different joining technologies – self-pierce riveting and clinching
    • Flexible due to quick and easy retooling to vary between the RIVSET® and RIVCLINCH® technology
    • Wide application range (aluminium – steel – stainless steel)
  • Pneumatic series

    RIVCLINCH® 0201 IP

    Description

    The flexibility of the RIVCLINCH® tool kits enables various thicknesses and material combinations to be clinched without resetting the tooling.

    • Weight of work head: 2.9 kg – 6.40 lbs
    • Working air presure: 6 bar – 87 psi
    • Cycle time: 0.3 – 0.7 s
    • Joining force: 25 kN – 55 klb
    • Depth of jaws: 20 mm – 0.79 “
    • Max. thickness, Mild steel.: 2.5 mm – 0.1 “; Stainless st.: 1.8 mm – 0.07 “

    Advantages

    • Lightweight flexible machine
    • Long lasting tooling
    • High-speed clinching: more than 2 joints/second!
    • Low energy consumption
    • Fast return on investment
    • User friendly, no steam, no sparks
  • Pneumatic series

    RIVCLINCH® 0404 IP

    Description

    An extremely productive plug & play clinching tool; 100% pneumatic, lightweight, portable and designed especially for construction site joining tasks (certified DIN 1507:2006).

    • Weight of work head: 6.3 kg – 13 lbs
    • Working air presure: 6 bar – 87 psi
    • Cycle time: 0.5 – 0.9 s
    • Joining force: 35 kN – 79 klb
    • Depth of jaws: 45 mm – 1.77 “
    • Jaws opening: 34 mm – 1.33 “
    • Max. thickness, Mild steel.: 3.0 mm – 0.12 “; Stainless st.: 2.5 mm – 0.10 “

    Advantages

    • 3-layer clinching is possible
    • Corrosion-resistant
    • Easy reversal of stamp and die for connections inside or outside the duct
  • Pneumatic series

    RIVCLINCH® 0706 IP

    Description

    This 100% pneumatic tool is outstanding for joining large and thick sheet metal frames and profiles, such as ventilation ducts, door frames, etc.

    • Total weight, approx with suspension: 24 kg – 53 lbs
    • Working air presure: 6 bar – 87 psi
    • Cycle time: 1 – 1.2 s
    • Joining force: 50 kN – 112 klb
    • Total opening: 60 mm – 2.36 “
    • Depth: 70 mm – 2.76 “
    • Max. thickness, Mild steel.: 4.5 mm – 0.18 “; Stainless st.: 3 mm – 0.12 “

    Advantages

    • Large and secure opening
    • Flexible access
    • Easy installation
    • Electricity not required
    • No steam, no sparks, no ignition
  • Pneumatic series

    RIVCLINCH® 4006 P50 PASS

    Description

    Safe, fast and versatile; this standalone machine ensures easy tool position on the joining point before clinching. Produce a series of joints at high speed without having to re-open the full stroke for each clinching process. 

    • Weight: 230 kg – 470 lbs
    • Working air presure: 6 bar – 87 psi
    • Cycle time: 1 – 1.2 s
    • Joining force: 50 kN – 112 klb
    • Work stroke: 8 mm – 0.31 “
    • Max. thickness, Mild steel.: 4.5 mm – 0.17 “; Aluminium: 5 mm – 0.20 “; Stainless st.: 3 mm – 0.12 “

    Advantages

    • Large opening up to 60 mm
    • Opening depth 400 mm (larger openings on request)
    • Foot pedal operation
  • Hydraulic series

    RIVCLINCH® 0201 FS

    Description

    The lightest and fastest RIVCLINCH® tool with up to 3 joints per second. Fast stroke adjustment for different applications. Thanks to the special rotary fastening, the operator can rotate the tool 360 degrees, to facilitate horizontal and vertical joining.

    • Workhead weight: 2 kg – 3.90 lbs
    • Working air presure: 6 bar – 87 psi
    • Hydraulic pressure at 6 bar: 350 bar – 5‘000 psi
    • Cycle time: 0.4 – 0.8 s
    • Clinching force at 6 bar: 25 kN – 55 klb
    • Jaw opening: 7 mm – 0.28 “
    • Depth of jaws: 16 mm – 0.63 “
    • Max. thickness, Mild steel.: 2.5 mm – 0.10 “; Stainless steel: 1.8 mm – 0.07 “
  • Hydraulic series

    RIVCLINCH® 0501 FS

    Description

    Its main strength is its extraordinary weight/capacity ratio. As a portable tool it is suitable for fastening edges as an alternative to spot welding and riveting. The decentralized arrangement of the hydraulic cylinder offers access from the inside to all edges on level surfaces, perfect for assembly of large cabinets.

    • Workhead weight, incl. handle: 4.5 kg – 9.9 lbs
    • Working air presure: 6 bar – 87 psi
    • Cycle time: 0.8 – 1 s
    • Clinching force at 6 bar: 35 kN – 77 klb
    • Work stroke: 8.0 mm – 0.32 “
    • Max. thickness, Mild steel: 3.0 mm – 0.12 “; Stainless steel: 2.5 mm – 0.10 “

Accessories

RIVCLINCH® Accessory pack and tool equipment

Find out more about available add-ons and accessories for your particular application.

  • Accessory pack

    Accessories

    • Rotation ring for flexible suspension of small hand pliers
    • Gyroscopic suspension for C-frame hand pliers
    • Compressed air maintenance unit
    • 3 m hose pack; instead of the 2 m hose pack
    • Clinch cycle monitor
    • Axis comparison for tolerance compensation between tool and workpiece
  • Tool range

    Tool range

    The tool is the key component of the clinching joining system. The clinch tool set consists of the stamp, the die, and its integrated anvil. A broad range of standard tool dimensions is available for producing either round or square clinch joints.

    Tool selection criteria

    1. Material (construction steel, stainless steel, aluminium, copper, etc.)
    2. Material thickness
    3. Sheet combination (number of layers and sequence between stamp and die)

Modular systems

Customer-specific solutions

Custom cold forming machines: Portable, standalone, automatic or mounted on a robot. We offer the solution that is right for you.

  • Automatic and manual pocket filter solution

    Description

    Our solutions are appropriate for the standard dimensions of all customer-specific filter sizes. Depending on the volume of your pocket filter production, either our manual or automatic systems are preferred for an efficient, lean and sustainable solution.
    Both automatic and manual solutions are configured for filter frames dimensioned 270 x 270 mm to 915 x 915 mm.
    The automatic RIVCLINCH® clinching station with motorised conveyor is designed for up to 9 RIVCLINCH® 0202 IP units.

    Advantages

    • Reduced lead time
    • Increased productivity: up to 500,000 pocket filters per year
    • For both existing and new production lines
    • The same clinching sequence guarantees a perfect clinch joint every 5 seconds
  • Modular C-frame

    Description

    We offer a broad range of dimensions with a depth of more than 450 mm for all applications in the automotive industry and for general industrial applications.

    Our PASS system facilitates tool positioning and reduces cycle time for multiple series assemblies.

    Our customer-specific C-frames can apply a joining force of 35 to 300 kN.

    The PASS system is available for all modules.

  • Specific tooling

    Optimised and advanced clinching solutions for specific industries:

    • Micro clinching tools, used for 15 years in the electronics and watchmaking industries, with a small die diameter of 1.0 mm.
    • Tooling for electrical contacts, with diameters between 2 and 3 mm
    • Filter moulds, which accept high filter material thicknesses in the ventilation industry
    • Tooling for ventilation ducts, allowing fast lateral movement of the machine and air-tightness.

Further information

Interested in RIVCLINCH®? Additional information is provided here.

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