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| | | Conditioi | | |
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| | | Model to be evaluated LM guide section Ball screw section Supporting bearing Mass Velocity Acceleration Stroke Gravitational acceleration Velocity chart | | : KR5520A (C=38100 N, C0=61900 N) (Ca=3620 N, C0a=9290 N) (Ca=7600 N, P0a=3990 N) m=30 kg v=500 mm/s a=2.4 m/s2 R S=1200 mm =9.807 m/s2 g See figure below. | | |
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| | | (mm/s) v | | |
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| | | m.-»m | | |
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| | | 193 | | |
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| | | | | | | | | | | | 0.21 | 2.19 | 0.21 | (s) | | | | 52.5 | 1095 | 52.5 | (mm) | | | | | 2.61 | | (s) | | | | | 1200 | | (mm) | | | | | | | | | | | |
| | | Thrust force center | | |
| | | 40, | | |
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| | | O Evaluations | | |
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| | | Q Evaluating the Rated Life Span of the LM Guide ^ * Imposed load of the nut block * Since one nut block is used, the MA and MB moments are multiplied by the moment equivalent coefficient (Ka=Kb=8.63x10-2) to convert to the imposed load. * Since one shaft is used, the acting MC moment is multiplied by the moment equivalent coefficient (Kc=2.83x10-2) to convert to the imposed load. | | |
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| | | During uniform motion P1=mg+KC«mgx40=627 N During acceleration P1a=P1+KA*max 193=1826 N P1aT=1KB«max40=-249 N During deceleration P1d=P1-KA*max193=-572 N P1dT=KB'imax40=249 N * P1aT and P1d are taken to be zero as the load groove is different from the evaluated groove. Combined radial and thrust load During uniform motion P1E=P1= 627 N During acceleration P =P +P =1826 N 1aE 1a 1aT | | |
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| | | During deceleration P1dE=P1d+P1dT=249 N 11 TKIK | | |
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