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Decicing Packing Time

4 REPLIES 4
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Message 1 of 5
ashwinkumarnr
526 Views, 4 Replies

Decicing Packing Time

Hi Everyone,

 

I want to know the different ways which you follow to decide upon the packing time for a given part.

How do you decide upon a particular value of packing time.

 

 

Thanks in advance,

Ashwin

4 REPLIES 4
Message 2 of 5

During  moldflow flow analysis-Option-1. Find out gate freezing time. packing time = gate freezing time - fill time.

 

During mold trails- Option- 2.  Take a weight of each shot, by increasing packing time in each shot. once after weight becomes consistent .Freeze the packing time.  It can be within 5-6 shots,you can set packing time.

 

 

Madhukeshwar Talwar

FORD MOTORS PRIVATE LIMITED, Chennai
mail: madhukeshwart@gmail.com
09600060862
======================================
Please use . Accept as Solution and Give Kudos as appropriate to further enhance these forums. Thank you! .....
Message 3 of 5

During  moldflow flow analysis-Option-1. Find out gate freezing time. packing time = gate freezing time - fill time.

 

During mold trails- Option- 2.  Take a weight of each shot, by increasing packing time in each shot. once after weight becomes consistent .Freeze the packing time.  It can be within 5-6 shots,you can set packing time

 

And also Time can be set based on required dimensions also. If dimensions are varying based on pack timing. Then it can be fine tuned with required dimensions.

 

 

Madhukeshwar Talwar

FORD MOTORS PRIVATE LIMITED, Chennai
mail: madhukeshwart@gmail.com
09600060862
======================================
Please use . Accept as Solution and Give Kudos as appropriate to further enhance these forums. Thank you! .....
Message 4 of 5

Hi Madhu,

 

Thanks for your reply,

 

In simulation, do you really reccommend to pack till the gate freezing time, and again, this is dependant on the gate size i have used for simulation.

 

And by the way what is the best method, you think to find out the gate freezing time.

 

 

Option 2 is ok, for practical purposes.

 

 

Regards,

Message 5 of 5

check a frozen layer fraction plot Or time to reach ejection tempearture for getting gate freezing time

 

But later wil give you 2-3 sec more than required for gate freezing time.

Madhukeshwar Talwar

FORD MOTORS PRIVATE LIMITED, Chennai
mail: madhukeshwart@gmail.com
09600060862
======================================
Please use . Accept as Solution and Give Kudos as appropriate to further enhance these forums. Thank you! .....

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