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Chassis assembling with Press-in technology


Technics
Assembly and functional description

Traditional flange and bulkhead mounting is increasingly being replaced by the new Press-in technology. Here the connector is pressed into the panel without screwing, providing a form-fit connection. IMS Connector Systems offers this technology for all connector families.

Flange, bulkhead and Press-in designs 

Reference values
Press-in SMA

Max. press-in force

4 kN

Min. extraction force

0,2 kN

Min. torque

2 Nm

Connector knurl

Ø 5,3 mm

Panel drill hole

Ø 5,2 mm

Panel material

AlSi alloy

Connector material

Brass

Reference values
Press-in N

Max. press-in force

10 kN

Min. extraction force

3 kN

Min. torque

40 Nm

Connector knurl

Ø 14,3 mm

Panel drill hole

Ø 14,2 mm

Panel material

AlMg alloy

Connector material

Brass

Reference values
Press-in 7/16

Max. press-in force

18 kN

Min. extraction force

5 kN

Min. torque

60 Nm

Connector knurl

Ø 22,0 mm

Panel drill hole

Ø 21,8 mm

Panel material

AlMg alloy

Connector material

Brass

Conditions
The Press-in connectors feature a cylindrical part with special knurling.
The fitting drill holes of the panel are defined depending on the application and type of connector.


Sectional view (Example of drill hole with step)

Benefits over flange and bulkhead versions
The Press-in technology has several benefits over traditional procedures:

  • Quick fitting
  • Economic, material-saving connector housings
  • No screws or nuts
  • Perfect self-centering
  • Good electrical performance  

Material consumption for flange
and Press-in type

Press-in process

Test adapters
Several applications require a termination test before mounting the connector.
For this purpose, special test adapters are available.

Test adapter

PCB contact

PIM requirements
Information on PIM performance for 7/16 connectors can be found under Passive intermodulation in communication systems. Further PIM information on Press-in connectors is available on request.


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