press specifica

[beppe296551]

Hello guys, can you tell me what it means by specific pressure and possibly how it is calculated?

and another curiosity: how to convert the volume of the material in cm. cubes running dosage in mm.?

Thank you in advance.

 

[mitnick]

wikipedia is very clear

 

[Dade73]

Hello I try to give you quacle input:
specific pressure: it is the push generated by the screw (point) on the material depending on the screw diameter and the hydraulic pressure of the press.
dosatura: is the share in centimeters that revenues from cc of the piece/sup.vite.

 

[beppe296551]

Thank you very much for the answers. but if I have the grammar of the piece/made to print and I also know the specific weight or density of the material/polymer, how to calculate the dosage in cm.cubi or running (translation screw in mm.) ?

 

[Dade73]

I'll give you an example with practical numbers so you can do first:
weight piece: 100gr
material specific weight: 1gr/cc
screw diameter:4cm(40mm) then surface screw=2*2*3.14=12.56 cm2
100gr:1gr/cc=100cc
100cc:12.56=7.96cm Dosing Race

hello and good day

 

[beppe296551]

thanks many dade 73 great lesson. If I have other doubts to clarify I can count on you.

Nice to meet you.