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Calculation Question - Calculate the runner weight for a part

T

tmlucky14

#1
I'm a engineering assistant and I have a calculation question.

I'm trying to calculate the runner weight for a part

The part weights 17.1 grams and cavities items total 2
 
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E

El Capten

#2
Re: runner weight for a part

Need more information to give an answer. Need to know runner dimensions: volume, length, etc and material density
 

normzone

Trusted Information Resource
#3
This might be unfeasable, but...

I'm assuming you don't have a live part with runners that you can weigh, or you probably wouldn't be asking this question.

Do you have a part, without runners? Perhaps multiple parts?

Do some calculations regarding the weight of the part. If possible back this up with part volume estimates. Maybe not practical depending on part configuration.

Then from this, assess the runner dimensions on your drawing / in your mold as a ratio to the part data you developed above. It will be a rough estimate at best, but it sounds like you're starting from a challenging location anyway.

This from a guy who's number skills are basic but who is handy at estimates. Good luck, and let us know how it turns out.
 
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