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Congratulations waross on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!
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Heat resistant material
Hi, I am designing a device that is similar to an old fashioned kerosene lantern and requires a clear shroud that screens the flame from wind etc. The proximity of the shroud to the flame is approx 40mm. Needless to say, the shroud also has to be transparent. Any ideas on a heat resistant...- dezignit
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- Replies: 3
- Forum: Polymer engineering
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Bellows
Hi, I am in the process of designing a fully automatic mold to produce a gear shift type bellows although the design differs in that the wall thickness is substantially higher. Typically, the chocking ID is 108mm, whilst the undercut is 140mm. This means an undercut of 18.5mm per side with a...- dezignit
- Thread
- Replies: 1
- Forum: Plastics Engineering general discussion
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Hoop Stress
Can anyone give me a quick method of calculating the steel wall thickness required in an injection mould which is round (bucket mold)in shape. The internal injection pressure is 75 Mpa, the steel is P20, and I require minimum deflection of the outer wall. Thanks in advance, Mirko- dezignit
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- Replies: 2
- Forum: Mechanical engineering general discussion
