TORQUE CALCULATION
PLEASE HELP ME TO CALCULATE THE REQUIRED TORQUE TO ROTATE A 250 MM DIA 5 MM THICK MILD STEEL DISC WITH 10 RPM.
Replies
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omprakash patilwhat power source ur using?? motor h.p.??
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PRADIP CHAKRABORTY
0.5 HP MOTORnooneperfectwhat power source ur using?? motor h.p.?? -
omprakash patilI'm trying but my calculations somewhere getting wrong.... u can use T/J=G thita/L formula for calculation of shaft twisting moment. For mild steel G is around 78 to 80 Gpa (what i have searched on net) , assuming thita= 1 degree.
We can calculate torque required but somewhere im getting wrong answer and dnt know why .... but u can assume above data and can take some experts opinion.
Maximum torque produced by 0.5 hp motor at 10 rpm is 356.0377 N-m. -
Selvakumar Aruchamy
Have you use tis formula??? Power = 2*pi*Speed*Torque/60, NmnooneperfectI'm trying but my calculations somewhere getting wrong.... u can use T/J=G thita/L formula for calculation of shaft twisting moment. For mild steel G is around 78 to 80 Gpa (what i have searched on net) , assuming thita= 1 degree.
We can calculate torque required but somewhere im getting wrong answer and dnt know why .... but u can assume above data and can take some experts opinion.
Maximum torque produced by 0.5 hp motor at 10 rpm is 356.0377 N-m. -
omprakash patil
Yes And the answer i alreday mention 356.0377 N-m.SelvakumarchelluHave you use tis formula??? Power = 2*pi*Speed*Torque/60, Nm
i guess thats Maximum torque for what motor produce at selective r.p.m. without any load applied,but for dia.250 mm ,10 mm thick actual torque will be different -
Suraj Rajumax torque=356.0377 Nm
Design Torque=Max torque*k*k(not).
assuming k*k(not) to be 1.25, Designed Torque=445.047125 Nm -
Suraj RajuI 'm not sure of those k,k(not) values. If I 'm wrong, please suggest me a correct answer anyone.
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