chillers and cynical materozzes

[Fede_FreeFly]

Hello everyone, it is my first discussion so forgive any errors:wink:

they are struggling with a foundry project on the ground for the university and, at the end of the calculation of the thermal modules, after various tests and considerations, we chose to put a cooler to lower the thermal module of a certain area and therefore favor the directional solidification.
My problem is that I can't find sources about the type and size of the coolers and I wanted to ask you for help in this, if you know where to find such info.

I also wanted clarifications on the attack collar of blind materozza, since from the sources I have consulted I can not understand whether the base of the rectangular section of the attack collar is bound to be equal to the diameter of blind materozza (you can also make smaller such base? ? )

thanks:finger:

 

[radio]

hi fede_freefly, in this forum is "caldely recommended" the presentation; you don't need to write who knows what, you just need a few lines and you get into the "family".

Bye.

 

[SHIREN]

http://www.unibg.it/dati/corsi/22850...8-fonderia.pdf

 

[Fede_FreeFly]

You're right.
I am a student of the third year of mechanical engineering of wisdom.. and as mentioned above with the design of the production cycle of a crank for the examination of mechanical technology.
Thank you for the file, but unfortunately about the coolers says a few things :frown: however I will be useful for a vision together.

 

[Fede_FreeFly]

I wanted to ask for more advice on 'good sense', so to speak
I found this image describing the attack collar of the blind materozza:in which the size 'a' is equal to the diameter of the materozza, as if it were a bond.. according to you, while maintaining the same thermal module of the collar, can you reduce this size (of course not too many millimeters, without creating strong stroking)? ?

 

[SHIREN]

Hi.
I'll give you some examples
work for foundries but not a metallurgical
However the attack can be slightly mod
to fit the model
this in practice
in the theoretical sense you have the prob to demonstrate the sizing
that's something different from the practicality of running fusory technology
the pdf attached is mirrors the reality in the approach of the matarities
difficult to find on textbooks
Thank you very much

 

[Fede_FreeFly]

perfect thanks:finger:
I needed a slightly smaller measure to fit the model, so I think the only problem is to resize the length and height of the collar to have the same thermal module. if I am wrong to correct me

 

[Fede_FreeFly]

work for foundries but not a metallurgical

Would you also have some table or something like this, or at the limit just some info for the sizing of external coolers?? :biggrin:

 

[SHIREN]

Would you also have some table or something like this, or at the limit just some info for the sizing of external coolers?? :biggrin:

hi fede_f.......
to reduce cooling times and promote the formation of cementitis, use metal cores or cool metal inserts
in truth in many years of foundry I do not remember specific tables or calculations
but I guarantee that on each piece of fusion we know where to put the cooler
all certainly is in contrast with theory
theory that you have to prove to the exam
if you can help
for matarities with an empirical calculation
for steel castings the tot. weight of the matarities more or less equals 50% of the fuse
for cast irons more or less 14%
if you make precise calculations
see how big you will find
Thank you very much

 

[Fede_FreeFly]

ook grazie per le risposte :finger: