You need to talk to the Tyco engineer to verify how the connector was qualified and on what tooling. With the fine stranding the Tyco engineer may suggest different crimp dies or connector.
Fred Miller
-----Original Message-----
From: TechNet [mailto:[log in to unmask]]On Behalf Of Forrester, Michael (H
USA)
Sent: Monday, April 06, 2009 12:05 PM
To: [log in to unmask]
Subject: [TN] Wire Crimps: Machine Vs Hand Tool Specs
We have an application that uses a tyco 350550-2 crimped on connector.
It is being crimped onto
a 14AWG wire made up of 1050 strands of 44 AWG wire. The wire has a
nom. wall of .015" and an
nom OD of .115". The standard pull test calls out for min 50 lbs. If
we crimp it in automated machines
per spec to .069" crimp height, we fail the pull test at an avg of 47
lbs. If we hand crimp it to spec at
.063", we get a pull strength avg of 55 lbs., which passes. Due to the
volume, the automated machine
process is preferred. I have two questions: 1) Why are the automated and
hand tool crimp height
specifications different? 2)Is there an issue with just setting up the
automated tool to the hand tool
crimp height specifications? Thank you.
Best Regards,
Michael Forrester
Sr. Product Engineer
Siemens Healthcare Diagnostics
101 Silvermine Rd.
Brookfield, CT 06804
PH: (203) 740-6452
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