Peter,

The Cambridge Automatic press (AE2000) has a nice safety interlock for
keeping the fingers out of the press area.  They use an air driven ring
which comes down around the work piece and has a normally open magnetic
air switch which prevents movement of the main ram until it is within
about 1/4" of the board surface.  It works very well.

Phil Nutting

-----Original Message-----
From: Peter Lee [mailto:[log in to unmask]]
Sent: Wednesday, November 21, 2001 2:51 AM
To: [log in to unmask]
Subject: Re: [TN] Manual Press for PEM PCB fastener


My application requires operator to support and locate the board
assembly with one hand while activating the start button on the press to
install the PEM fasteners.

For safety reason I am considering limiting operator access while the
machine is in operation.

What is the normal practice? Installing a light curtain sensor around
the area? Or multi-purpose fixtures that will secure the board to ensure
a "hands free" operation?

Any input is greatly appreciated.

Rgd,
Peter

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Jeff Ferry
Sent: November 14, 2001 6:16 AM
To: [log in to unmask]
Subject: Re: [TN] Manual Press for PEM PCB fastener

Peter,

Might suggest you look over Janesville Tool at
http://www.janesvilletool.com/.
We use their presses for setting eyelets.

Jeff Ferry
CEO
Circuit Technology Center, Inc.
www.circuittechctr.com
[log in to unmask]
978-374-5000

Sign up for our Free E-mail Newsletter at:
www.circuittechctr.com/general/free_email.htm



-----Original Message-----
From: Peter Lee [mailto:[log in to unmask]]
Sent: Wednesday, November 14, 2001 2:46 AM
To: [log in to unmask]
Subject: [TN] Manual Press for PEM PCB fastener


Thanks Earl for your extensive report on NPI which will keep me tied up
for a while in reading through it. I appreciate you for sharing your
experience and information in this forum.

I have another question for the day: Does anyone know of a good and
reliable machine for press-in PEM PCB fasteners?

I am considering machines from PENN ENGINEERING and SCHMIDT but like to
get more inputs on both the press machine and the process. Would a
manual press be able to put out ~2200 lbs at the fastener in practice?
What are some common application problems that one should look out for?


Rgds,
Peter


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