A11VO95LRS/10R-NZD12K61厂价直销柱塞泵的工作原理
柱塞泵是液压系统的一个重要装置。它依靠柱塞在缸体中往复运动,使密封工作容腔的容积发生变化来实现吸油、压油。柱塞泵具有额定压力高、结构紧凑、效率高和流量调节方便等优点,被广泛应用于高压、大流量和流量需要调节的场合,诸如液压机、工程机械和船舶中。
柱塞泵是往复泵的一种,属于体积泵,其柱塞靠泵轴的偏心转动驱动,往复运动,其吸入和排出阀都是单向阀。当柱塞外拉时,工作室内压力降低,出口阀关闭,低于进口压力时,进口阀打开,液体进入;柱塞内推时,工作室压力升高,进口阀关闭,高于出口压力时,出口阀打开,液体排出。当传动轴带动缸体旋转时,斜盘将柱塞从缸体中拉出或推回,完成吸排油。
A11VO95LRS/10R-NZD12K61厂价直销A11VO95LRS/10R-NZD12K61
产品型号:
A11VO40LRS/10R-NSC12N00
A11VO40LRS/10R-NPC12N00
A11VO40LRH2/10R-NSC12N00
A11VO40LRH2/10R-NPC12N00
A11VO40DRS/10R-NSC12N00
A11VO40DRS/10R-NPC12N00
A11VO60LRS/10R-NSC12N00
A11VO60LRS/10R-NPC12N00
A11VO60LRS/10R-NSC12K01
A11VO60LRS/10R-NPC12K01
A11VO60LRH2/10R-NSC12N00
A11VO60LRH2/10R-NPC12N00
A11VO60LRH2/10R-NSC12K01
A11VO60LRH2/10R-NPC12K01
A11VO60DRS/10R-NSC12N00
A11VO60DRS/10R-NPC12N00
A11VO60DRS/10R-NSC12K01
A11VO60DRS/10R-NPC12K01
A11VO75LRS/10R-NSD12N00
A11VO75LRS/10R-NPD12N00
A11VO75LRS/10R-NSD12K01
A11VO75LRS/10R-NPD12K01
A11VO75LRH2/10R-NSD12N00
A11VO75LRH2/10R-NPD12N00
A11VO75LRH2/10R-NSD12K01
A11VO75LRH2/10R-NPD12K01
A11VO75DRS/10R-NSD12N00
A11VO75DRS/10R-NPD12N00
A11VO75DRS/10R-NSD12K01
A11VO75DRS/10R-NPD12K01
A11VO95LRS/10R-NSD12N00
A11VO95LRS/10R-NPD12N00
A11VO95LRS/10R-NSD12K01
A11VO95LRS/10R-NPD12K01
A11VO95LRH2/10R-NSD12N00
A11VO95LRH2/10R-NPD12N00
A11VO95LRH2/10R-NSD12K01
A11VO95LRH2/10R-NPD12K01
A11VO95DRS/10R-NSD12N00
A11VO95DRS/10R-NPD12N00
A11VO95DRS/10R-NSD12K01
A11VO95DRS/10R-NPD12K01
A11VO130LRS/10R-NSD12N00
A11VO130LRS/10R-NPD12N00
冷库中使用聚脲设备喷涂发泡的聚氨酯泡沫材料,在剧烈的温度变化或长期的处于较低的温度时会出现尺寸的变化(一般为收缩),尺寸的变化常体现为聚氨酯泡沫开裂或脱落,而这些必然会影响冷库正常的使用。除了经常性做好模拟性能的检测外,更需要注重在选择材料方面的控制:特种的高能度聚醚复配的使用,使聚氨酯泡沫形成立体的网状结构,大大的提高了聚氨酯泡沫的耐低温性能;而目前聚氨酯喷涂设备喷涂料常使用的聚醚中含有大量的二官能度成分,反应后形成的大量的线性分子结构在低温的情况下很难稳定;高能度交联剂的使用也大大提高了聚脲设备喷涂聚氨酯泡沫的尺寸稳定性;选用的聚醚,生产的阶段采用强碱的催化,反应,使聚醚保持较高的反应率(即在与黑料接触时能反应的比较完全);有些厂商为了达到聚氨酯泡沫表观不产生的变形现象而向聚氨酯发泡料中添加了可开孔组分,降低了聚氨酯泡沫的闭孔率,达到了稳定尺寸的效果,但却牺牲了聚氨酯泡沫的保温性能。
以上型号不全~可咨询~