7. MOTOR AND ADAPTER SIZING - O-division-2021-2022-Even/Repo-01 GitHub Wiki

MOTOR SIZING:

length(l)=45cm

breadth(b)=15cm

height(h)=6cm

density of acrylic sheet=1.15 gm/cm^3

Volume=(lbh)=45cmx15cmx6cm

Volume=4050cm^3

Mass=density*volume

=1.15*4050

=4657.5gm

Force=m*g

=4657.5*9.8

=45643.5 N

For conveyer belt

Torque=Forcexradius

=45643.5*0.6

=27386.1 N-cm

Total Torque=Torque*FOS

     =27386.1*1.5

     =4107.915 gm-cm

     =4.107kg-cm

Therefore

MOTOR SELECTED:45rpm

ADAPTER SELECTED:12V low noise DC motor

For moving arm

Torque=Forcexradius

=45643.5*0.6

=27386.1 N-cm

Total Torque=Torque*FOS

     =27386.1*1.5

     =4107.915 gm-cm

     =4.107kg-cm

Therefore

MOTOR SELECTED:45rpm

ADAPTER SELECTED:12V low noise DC motor

For squeegee moment

Torque=Forcexradius

=45643.5*2

=91287 N-cm

Total Torque=Torque*FOS

     =91287*1.5

     =1369.30gm-cm

     =1.37 kg-cm

Therefore

MOTOR SELECTED:60rpm

ADAPTER SELECTED:12V DC motor