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v 陕西欣鸿然自动化设备有限公司<*n>*n>
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<*n>The limit switch is used to switch the electrical machinery movement limit *ition limit. *n>
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<*n>Limit switch contact type and non-contact. Contac*rectly, moving parts of machinery and equipment, installed on the trip switch, fixed *n>
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<*n>point and its relative motion is arranged on the limit *ition of the block, or the op*ite *ition. When the mechanical contact tr*el switch *n>
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<*n>with stop, cut off (or change) co*ol circuit, mechanical stop operation or change operation. Due to the inertia motion, the tr*el switch "*n>
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<*n>over tr*el" to protect certain switch from damage. A lot of non contact form, there is a common reed, photoelectric induction type, etc.,*n>
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<*n> these several forms can be seen in the elevator. There are certainly more advanced form. The limit switch is a *all current commonly *n>
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<*n>used master appliances. The collision produced by moving mechanical parts which contact to move on or off co*ol circuit, to co*ol the*n>
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<*n> pur*e of. Usually, this kind of switch is used to limit the moveme*f the mechanical *ition or stroke, the mechanical movement according to a certain *ition or stroke automatic stop, *n>
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<*n>reverse movement, variable motion or automatic reciprocating movement. In the electrical co*ol system, the limit switch is*n>
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<*n> the role of detection of sequence co*ol,*n>
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<*n> *ition co*ol and *iti*. For the co*ol*n>
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<*n> of mechanical equipment and tr*el limit protection. Structure: is com*ed by the operating system and the case, contact head.*n>
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刑范正,金锡美,工冶巧,火齐得,剖刑而莫邪已。然而不剥脱,不砥厉,则 不可以断绳。剥脱之,砥厉之,则劙盘盂,刎牛马,忽然耳。彼国者,亦强国之剖 刑已。然而不教诲,不调一,则入不可以守,出不可以战。教诲之,调一之,则兵 劲城固,敌国不敢婴也。彼国者亦有砥厉,礼义节奏是也。故人之命在天,国之命 在礼。人君者,隆礼尊贤而王,重法爱民而霸,好利多诈而危,权谋倾覆幽险而亡。
威有三:有道德之威者,有暴察之威者,有狂妄之威者--此三威者,不可不 孰察也。礼义则修,分义则明,举错则时,爱利则形。如是,百姓贵之如帝,高之 如天,亲之如父母,畏之如神明。故赏不用而民劝,罚不用而威行,夫是之谓道德 之威。礼乐则不修,分义则不明,举错则不时,爱利则不形;然而其禁暴也察,其 诛不服也审,其刑罚重而信,其诛杀猛而必,黭然而雷击之,如墙厌之。如是,百 姓劫则致畏,嬴则敖上,执拘则[****]聚,得间则散,敌中则夺,非劫之以形埶,非 振之以诛杀,则无以有其下,夫是之谓暴察之威。无爱人之心,无利人之事,而日 为乱人之道,百姓讙敖,则从而执缚之,刑灼之,不和人心。如是,下比周贲溃以 离上矣,倾覆灭亡,可立而待也,夫是之谓狂妄之威。--此三威者,不可不孰察 也。道德之威成乎安*察之威成乎危弱,狂妄之威成乎灭亡也。
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