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Tie Bar Strain Variation

Tie Bar Strain Variation

Tie Bar Strain Variation

(OP)
I am looking for a reference on allowable strain on a tie bar and allowable variation between all four bars.  I would not think it could be more than a couple .001" but is there a reference.  I looked in my machine manual and strain gauge sites, no help.  The machine is a nissei 360.

RE: Tie Bar Strain Variation

I would call the technical folks at Niessi.  They know their machines better than anybody.

RE: Tie Bar Strain Variation

mjh368

This is an interesting question. If you find the answer from a source other than this forum, can you please post it?

Mauricio Benavides
Injecnet Solution Inc
www.injecneering.com

RE: Tie Bar Strain Variation

(OP)
hey mauricio,

I called Nissei like Dwight suggested.  They faxed me spreadsheet that looked at the issue a little differently than I was.  I will scan it tommorow and post it in the plastics.com injeciton forum.

RE: Tie Bar Strain Variation

Why not post it here as this is where you were given the very basic tip of contact the manufacturer.

Regards

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RE: Tie Bar Strain Variation

The manufacturere recommended set up procedures for setting the plattens parallel using height guages, but nothing about monitoring them by using strain gages or other means. I guess the original requester used Plastics.com because it was easier to upload the diagram there. Actually it looks pretty easy here but I have never done it.

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