One of the CMs we used would pre-from the components with specific lead lengths, insert the components un-clinched, wave solder the boards and then process with a Q-Cutter (high speed cutting wheel).
Boards we build in-house, components are installed on a semi-automatic system (Contact Systems) followed by some hand insert, wave solder and then final component insertion.
We have had no issues associated with either method of assembly.
-----Original Message-----
From: TechNet [mailto:[log in to unmask]]On Behalf Of Dobbs, Marie
Sent: Friday, May 28, 2004 10:20 AM
To: [log in to unmask]
Subject: [TN] Through hole components question
Just Wondering.. Through Hole Assembly
Do Most Contract Manufacturers have "Component Prep Departments" that receive all their comps and the detape them, form them(bend), hand prep with crimps, and Cut the leads short for loose hand assembly. Does anyone out there cut the leads after soldering. I know that IPC says this is not a good practice,,, but ...
Thanks in advance for feedback
Marie A. Dobbs
Training and Development Specialist
Tyco Safety Products
100 Technology Drive
Westminster, MA 01473
Phone: 1-978-731-6827
Fax: 1-978-731-6950
email: [log in to unmask]
In any moment of decision the best thing you can do is the right thing, the next best thing is the wrong thing, and the worst thing you can do is nothing."
Theodore Roosevelt
26th President of the United States
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