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Technical data / Installation

< Metal sheet preparation - Workpiece preparation - Tooling - Installation - Setting >

Metal sheet preparation in accordance with design

Body

forme du
trou
M 2.5 M 3 M 4 M 5 M 6 M 8 M 10 M 12 M 14 M 16
truc Round
fdfd Knurled
CLUFIX Trou Cylindrique 4.0 5.0 6.0 7.0 9.0 11.0 13.0 16.0 18.0 21.0
fdfdf Hexagonal
CLUFIX Trou Hexagonal 4.0 5.0 6.0 7.0 9.0 11.0 13.0 16.0 18.0 21.0

dimensions: mm (tolerance provided in the data sheets)

Head
CLUFIX Tête Affleurante Flush

CLUFIX Tôle non Préparée
No workpiece preparation

CLUFIX Tête Cylindrique Flange
CLUFIX Tête Étanche Water tight
CLUFIX Tête Fraisée Countersunk

CLUFIX Tôle Fraisée
Countersinking operation which allows the CLUFIX® head to be integrated into the workpiece.

CLUFIX 3D

Preparation process

Punching CLUFIX Trou Cylindrique CLUFIX Trou Hexagonal CLUFIX Tôle non Préparée  
Drilling CLUFIX Trou Cylindrique   CLUFIX Tôle non Préparée CLUFIX Tôle Fraisée
Laser cutting CLUFIX Trou Cylindrique CLUFIX Trou Hexagonal CLUFIX Tôle non Préparée  
Water jet cutting CLUFIX Trou Cylindrique CLUFIX Trou Hexagonal CLUFIX Tôle non Préparée  

These four processes can be used to create the hole destined to receive the CLUFIX®. Quality of preparation is, however, of overriding importance in guaranteeing optimal crimping which will result in high mechanical resistance. Use of a precision-sharpened punch is, for example, recommended - in order to limit strain-hardening of the hole.

< Metal sheet preparation - Workpiece preparation - Tooling - Installation - Setting >

Preparation of the workpiece to be assembled

Ø T2 hole diameter

CLUFIX Ø T2

Ø M M 2.5 M 3 M 4 M 5 M 6 M 8 M 10 M 12 M 14 M 16
Ø T2 min 2.6 3.1 4.1 5.1 6.1 8.1 10.1 12.1 14.1 16.1
Ø T2 max 3.55 4.4 5.4 6.5 8.0 10.0 12.2 14.7 16.7 19.2

< Metal sheet preparation - Workpiece preparation - Tooling - Installation - Setting >

Installation tools

CLUFIX® installation is achieved using standard LA CLUSIENNE-CLUFIX oleopneumatic tools. Use of a standard tooling matching the selected CLUFIX® diameter is imperative to carrying out installation.

CLUFIX Installation tools
Crimping tool + tie-rod Anvil CLUFIX®

CLUFIX® installation process

CLUFIX® installation process

< Metal sheet preparation - Workpiece preparation - Tooling - Installation - Setting >

Download CLUFIX® Setting Process Guide pdf

CLUFIX® installation settings

In order to guarantee optimum CLUFIX® installation, three key parameters must be taken into consideration:

1. Tie-rod adjustment
1.1 Screw CLUFIX® onto the tie-rod so that all the CLUFIX® threads are in contact with the shank (move the anvil, if necessary).
1.2 Place in the anvil in contact with the CLUFIX® head, then block the anvil in this position.

2. Stroke adjustment
This adjustment optimises crimping quality in line with the chosen CLUFIX® and the thickness of the metal sheet to be assembled.
The crimping stroke S is calculated using the formula: S = X – E
X = variable defined for each CLUFIX® part number (available from the CLUFIX® data sheet in question)
Ep = thickness of the metal sheet to be assembled
After calculation of S, we recommend that you carry out a crimping test (using your chosen installation tool) on a metal sheet sample matching the thickness used in your application.
This test will also help you to physically check S, by noting the difference between the L measurement before crimping and Lts after installation.

Tolerance for Ls data:
Ø M 2.5 M 3 M 4 M 5 M 6 M 8 M 10 M 12 M 14 M 16
+/- 0.3 0.4 0.4 0.4 0.4 0.6 0.6 0.6 0.8 0.8


CLUFIX Stroke Adjustment

CLUFIX Stroke S
Ls : refer to data sheet

CLUFIX Air Pressure Gauge

3. Air Pressure
This parameter concerns only oleopneumatic tools.
The air supply pressure level determines the setting force of the installation tool.
To guarantee optimum crimping, we advise you to use an air pressure gauge (positioned upstream of the tooling) linked to your air pressure supply network.
The minimum pressure required is 6 bars. This value corresponds to the usual pressure of an air pressure supply network.
However, for diameters M2.5 - M3 - M4, it is possible to reduce the supply pressure in order to limit crimping constraints (particularly for aluminium).

< Metal sheet preparation - Workpiece preparation - Tooling - Installation - Setting >

Crimping force

This data corresponds to the average force necessary to guarantee optimum crimping.

daN Steel Stainless
Steel
316L Stainless
Steel
Aluminium
M 2.5 160 190 160 80
M 3 250 300 200 100
M 4 350 450 400 140
M 5 500 720 700 300
M 6 950 1200 1100 400
M 8 1300 1950 1700 650
M 10 1650 2700 2200 1000
M 12 2350 3700 2800 1600
M 14 3500 4700 3800 2300
M 16 4650 5500 5000 3000
CLUFIX Crimping Curve

Ø after crimping

CLUFIX Ø After Crimping
Ø max
(mm)
M 2.5 M 3 M 4 M 5 M 6 M 8 M 10 M 12 M 14 M 16
5.4 6.7 8.3 9.7 12.4 15.2 18.0 21.0 24.0 29.2

Download CLUFIX® Technical Data pdf

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