>> P.425
Ⅲ25ConsiderationofOperationPatternsIncaseoflinearmotordrive[IncaseofLT…CE,LT…LD][IncaseofLT…H][IncaseofNT38V][IncaseofNT55V/NT80V][IncaseofNT80XZ][IncaseofNT90XZH][IncaseofNT88H]Note(2)tistheresistancevalueforthestrokeof±5mmfromtheequilibriumpointinthecenterareaofthestrokerange,assumingthespringsystembalancemechanismoftheverticalaxis.Thevaluechangesdependingonthespringmountingpositionorthestrokewidthintheactualcalculation.Pleaseverifyusingtheactualmachine.●ForcefromaccelerationFaVFa=(WL+WT)・[N]ta●ThrustforcerequiredforaccelerationFPFP=Fa+FL[N]●Marginalaccelerationtimeta(WL+WT)・V・kta=[s]FM-FLμ:Frictioncoefficientofrollingguide(0.01)WT:MassofmovingtablekgWL:CarryingmasskgFR:RunningresistanceN(LT170H:40N)Fc:Cordpull-resistance(1)N(LTSeries:About1.0N)(NTSeries:None)FM:LinearmotorthrustforceN(maximumthrustattravelingspeedV)ta:AccelerationtimesV:Travelingspeedm/sg:Gravityacceleration9.8m/s2k:Factorofsafety(1.3)Note(1)ordpull-resistancevariesdependingoncordmassandhowtopullit.Usetheanexpectedresistancevalueforcalculation.●FrictionresistanceofrollingguideFfFf=μ(WL+WT)g[N]However,minimumvalueofFfshallbeasfollows.ForLT100CE:2.5NForLT150CE:5.0NForLT130LD:6.0NForLT170LD:6.0N●ForcefromrunningresistanceFLFL=Ff+Fc[N]●RunningresistanceFRLT170H:40N●SpeedcoefficientfV●ForcefromrunningresistanceFLFL=fV・FR+Fc[N]TravelingspeedV[m/s]LT170H0.5orless1Above0.5andbelow1.01.5Above1.0andbelow1.52.25●ForcefromrunningresistanceFLFL=0.25N●ForcefromrunningresistanceFLFL=1.5N●ForcefromrunningresistanceFLHorizontalaxis:FL=1.5NVerticalaxis:FL=0.5N(2)●ForcefromrunningresistanceFLHorizontalaxis:FL=2.0NVerticalaxis:FL=2.0N(2)●ForcefromrunningresistanceFLFL=0.5N
| < 
| 
> | 
>>
