Open Access

Table 1

Parts parameter table.

  Material name Allowable shear stress Allowable bending stress
Ball screw: screw 45 steel 60 Mpa 110 Mpa
Ball screw: Nut Cast tin bronze 30 Mpa 40 Mpa
Worm 45 steel 60 Mpa 110 Mpa
Turbine ZCuAl0Fe3 58 Mpa
Trapezoidal screw 45 steel 60 Mpa 110 Mpa

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