LM Guide THK - Industrial Technologies

Индастриал Технолоджис www.industrial‐technologies.com.ua +38 044 498 21 94[Combined Radial And Thrust Load]• During AscentPEu1 = | Pu1 | + | Ptu1 | = 1731.3 NPEu2 = | Pu2 | + | Ptu2 | = 1731.3 NPEu3 = | Pu3 | + | Ptu3 | = 1731.3 NPEu4 = | Pu4 | + | Ptu4 | = 1731.3 N• During DescentPEd1 = | Pd1 | + | Ptd1 | = 1143.3 NPEd2 = | Pd2 | + | Ptd2 | = 1143.3 NPEd3 = | Pd3 | + | Ptd3 | = 1143.3 NPEd4 = | Pd4 | + | Ptd4 | = 1143.3 N[Static Safety Factor]The static safety factor (fS) of the LM Guide used in a machine or equipment under the conditionsstated above is obtained as follows.fSC0 34.410 3= == 19.9PEu2 1731.3[Average Load Pmn]Obtain the average load applied to each LM block.Pm1 =31(PEU1 3 •l S + PEd1 3 •l S) = 1495.1 N2•l SPm2 =31(PEU2 3 •l S + PEd2 3 •l S) = 1495.1 N2•l SPm3 =31(PEU3 3 •l S + PEd3 3 •l S) = 1495.1 N2•l SPm4 =31(PEU4 3 •l S + PEd4 3 •l S) = 1495.1 N2•l S[Nominal Life Ln]The nominal life of the four LM blocks is obtained from the corresponding nominal life equationsshown below. • • • • (where f w = 1.2)Therefore, the service life of the LM Guide used in a machine or equipment under the conditionsstated above is 68,200 km.Industrial TechnologiesA1-86