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Lifting bags are used for industrial mould pressing

On 19 July 2019
Lifting bags are used for industrial mould pressingLifting bags are used for industrial mould pressingLifting bags are used for industrial mould pressing
A french manufacturer forsoundabsorbing for car engine has asked us to find a self inflate system. The aim was to maintain a mold's bead ring during foam injection.

 

Needs and constraints

 

A french manufacturer forsoundabsorbing for car engine has asked us to find a self inflate system. The aim was to maintain a mold's bead ring during foam injection. With this new system, the manufacturer wanted to optimize manufacturing and decrease the final step avoindind piece deburring.


We got some technical constraints to integrate this new inflatable system:
 little width under modls : 650 x 500
 little hight under molds : 23 mm
 limited time for squeezing
 a 14 ton push force
 the force needs to be equalized / balanced
 openned stroke : 90 mm
 the limited temperature range is : 70 °C

 

Pronal Solution

 

 After visiting us, Pronal has given its technical offer composed of 2 custom made lifting bag. They have been fitted to the industrial environment:
• bead ring position was optimized for inflating air
• dimensions : 650 x 500 mm
• thickness : 18 mm
• safety coefficient was uot tp : +4
• working pressure : 58 PSI - 4 Bar.


The tray on which is hte lifting bag has been bored in order to fix and inflate the lifting bag thanks to pipework.

 

Conclusion

 

Those lifting bags can be easily removed and are totally fitted to the machine. As pressure is balanced on the mold's side, we were able to reach manufactuer's aim. Up to today we have supplied a dozen of lifting bags.

You need more information about this project? This requirement meets your expectations? Contact our experts who succefully manage this kind of project to get more information and be advised as per your need: contact@pronal.com - +33 (0)3 20 99 75 00

+33 (0)3 20 99 75 00

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