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Sheet Metal K-factors

6 REPLIES 6
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Message 1 of 7
rdiamond113
792 Views, 6 Replies

Sheet Metal K-factors

When creating sheet metal assemblies (multi sheet metal parts), does anyone else have an issue with parts having a different K-factor even though they are the same make-up foe all, but they have different flanges,hems, and such? I trying to find an easier way to either have my template files set or at lease a specific K-factor for each material for each type of forming (Roll or Brake-form). Any help would be awesome!

Product Design Suite 2015, Windows 7, 64 bit

"Pushing the envelope, just to watch it bend"
6 REPLIES 6
Message 2 of 7
ccamara01
in reply to: rdiamond113

The neutral axis (~K factor) of the material undergoing bending is dependant on the material, as well as the bend radius.

_____________________________________________________________________________________
Inventor Professional 2015 SP2
Windows 8.1 Pro Workstation
2 x Intel Xeon E5-2687W v3 (10 core, 3.1 GHz)
NVIDIA Quadro K4200 (4 GB)
64 GB 2133 MHz DDR4 RDIMM ECC
512 GB SSD
2 TB HDD
Message 3 of 7
rdiamond113
in reply to: ccamara01

But if both parts are identical make-up, i.e. material, shouldn't the K-factor be the same. My assembly consists of a flat part with 1 hem, and a second part that has two bends and a hem. Does the K-factor base itself on features? Can there be a simpler method of setting a standard sheet metal template in Inventor?

Product Design Suite 2015, Windows 7, 64 bit

"Pushing the envelope, just to watch it bend"
Message 4 of 7
ccamara01
in reply to: rdiamond113

No.  The K-factor is also dependant on the bend radius, not just the material.

_____________________________________________________________________________________
Inventor Professional 2015 SP2
Windows 8.1 Pro Workstation
2 x Intel Xeon E5-2687W v3 (10 core, 3.1 GHz)
NVIDIA Quadro K4200 (4 GB)
64 GB 2133 MHz DDR4 RDIMM ECC
512 GB SSD
2 TB HDD
Message 5 of 7
blair
in reply to: ccamara01

This should help.

 

 


Inventor 2020, In-Cad, Simulation Mechanical

Just insert the picture rather than attaching it as a file
Did you find this reply helpful ? If so please use the Accept as Solution or Kudos button below.
Delta Tau Chi ΔΤΧ

Message 6 of 7
DavidNysMetaal
in reply to: blair

do you also have this sheet in mm?

Tony Goossens
Nys metaalwerken - Zonhoven (Belgium)
Inventor 2016 R3
Win7-x64
HP Z420 - Intel Xeon CPU E5-1650 @ 3.20GHz - 32GB RAM - Nvidia Quadro 4000
Message 7 of 7
blair
in reply to: DavidNysMetaal

Sorry I don't.  Smiley Embarassed

 


Inventor 2020, In-Cad, Simulation Mechanical

Just insert the picture rather than attaching it as a file
Did you find this reply helpful ? If so please use the Accept as Solution or Kudos button below.
Delta Tau Chi ΔΤΧ

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