Inquiry (采购产品): shaft design for impeller hi, im a mechanical engineering student at the university of johannesburg (south africa). I have been given a design project which is to design a shaft for centrifugal blower(impeller). What i would like to know is how many hours does this machine usaully operate in industry and can you please advise me on what factor of safety i should consider when dealing with this impeller and what material are the shafts made of. i would really appreciate your help. **** Hidden Message ***** Akani Chuma 2001 ZAF Company: university of johannesburg Title: Mr Phone: 0733085679 E-mail: akanicee@saymail.co.za **** Hidden Message ***** akanicee@saymail.co.za
