[TheForge] Hydraulic Press Control

Tue Feb 12 19:59:59 2002

NORTHERN MINNESOTA METAL SMITHS  holds there spring meeting around the last 
weekend of April in Bemidji MN
                                               MN
                                                   nmms.abana-chapter.com


At 06:34 AM 2/12/02, you wrote:
>I can't seem to stir Roger up.  Does anyone know what he's talking about 
>in Bemidji at the end of April?  It's not on UMBA website that I can see.
>Thanks,
>
>Ed
>
>
>At 11:39 AM 2/3/02 -0600, you wrote:
>>Keith got all his stuff from a surplus yard
>>Are you going to Bemidji the end of April
>>You are from MN right
>>The bottom of the stroke was controlled by a limit switch he could adjust
>>just like the up stroke limit switch
>>----- Original Message -----
>>From: "Ed Fasula" <[email protected]>
>>To: <[email protected]>
>>Sent: Sunday, February 03, 2002 11:01 AM
>>Subject: [TheForge] Hydraulic Press Control
>>
>>
>> > We had a thread going here about building a hydraulic press.  I'm getting
>> > materials together to build it, but I also want to use electronic
>> > controls.  In the UMBA tape mentioned Keith Johnson demonstrates an
>> > automatic control setup to repeatedly stroke the cylinder.
>> >
>> > To set the force, I think Keith used an adjustable pressure relief
>> > valve.  He didn't detail how he controlled the repeat cycle.  I would
>>guess
>> > that he had a flow sensor on the relief valve outlet which worked with a
>> > solenoid valve and an adjustable timer.
>> >
>> > I was thinking that the same could be achieved with a pressure sensor
>> > replacing the relief valve and flow sensor.
>> >
>> > Also, I don't know why he doesn't use an electric switch to control his
>> > solenoid valve when in manual mode instead of the mechanical valver.
>> >
>> > Has anyone got advice on how to do this and where to get the stuff?  I
>>have
>> > a spring center open solenoid valve already.
>> >
>> > Thanks,
>> > Ed
>> >
>> >
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Skip McLees	
[email protected]
Thompson, Iowa