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武汉金斯特液压设备有限公司

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武汉金斯特长期特价供应： 德国博世力士乐BOSCH Rexroth泵、阀、马达，美国威格士Vickers泵、阀，万福乐、意大利阿托斯ATOS、美国ASCO、美国SWAGELOK管阀件、韩国HY-LOK、霍尼韦尔等

柱塞泵 马达

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轴向柱塞泵
是活塞或柱塞的往复运动方向与缸体中心轴平行的柱塞泵。
轴向柱塞泵利用与传动轴平行的柱塞在柱塞孔内往复运动
所产生的容积变化来进行工作的。由于柱塞和柱塞孔都是
圆形零件，加工时可以达到很高的精度配合，因此容积效率高。
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柱塞泵的泵油机构包括两套精密偶件：柱塞和柱塞套构成柱塞偶件、出油阀和出油阀座构成出油阀偶件。

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柱塞泵柱塞往复运动总行程L是不变的，由凸轮的升程决定。柱塞每循环的供油量大小取决于供油行程,供油行程不受凸轮轴控制是可变的。供油开始时刻不随供油行程的变化而变化。转动柱塞可改变供油终了时刻，从而改变供油量。柱塞泵工作时，在喷油泵凸轮轴上的凸轮与柱塞弹簧的作用下，迫使柱塞作上、下往复运动，从而完成泵油任务，泵油过程可分为以下三个阶段。
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当凸轮的凸起部分转过去后，在弹簧力的作用下，柱塞向下运动，柱塞上部空间（称为泵油室）产生真空度，当柱塞上端面把柱塞套上的进油孔打开后，充满在油泵上体油道内的柴油经油孔进入泵油室，柱塞运动到下止点，进油结束
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柱塞泵缸体镶装铜套的，可以采用更换铜套的方法安装。首先把一组柱塞杆处径修整到统一尺寸，再用1000#以上的砂纸抛光外径。
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柱塞泵最重要的部件是轴承，如果轴承出现游隙，则不能保证液压泵内部三对磨擦副的正常间隙，同时也会破坏各磨擦副的静液压支承油膜厚度，降低柱塞泵轴承的使用寿命。据液压泵制造厂提供的资料，轴承的平均使用寿命为10000h，超过此值就需要更换新口。拆卸下来的轴承，没有专业检测仪器是无法检测出轴承的游隙的，只能采用目测，如发现滚柱表面有划痕或变色，就必须更换。
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高压柱塞泵的使用压力一般应在10MPa～100MPa之间。它属于容积式泵，借助工作腔里的容积周期性变化来达到输送液体的目的；原动机的机械能经泵直接转化为输送液体的压力能；泵的容量只取决于工作腔容积变化值及其在单位时间内的变化次数，理论上与排出压力无关。往复泵是借助于活塞在液缸工作腔内的往复运动（或通过隔膜、波纹管等挠性元件在工作腔内的周期性弹性变形）来使工作腔容积产生周期性变化的。在结构上，往复泵的工作腔是借助密封装置与外界隔开，通过泵阀（吸入阀和排出阀）与管路沟通或闭合。

客户对我们的评价：

挺快的，好用宝贝收到了!老公说比实体店的好!谢谢客服娜娜推荐!以后会常来的???挺好服务又好

很满意。出油速度快油泵很好用，抽油很快

质量还行宝贝收到了!老公说比实体店的好!谢谢客服娜娜推荐!以后会常来的???吸油泵已经收货，质量很好，材质结实耐用，使用方便，很稳定，噪音小。 面积发货速度快。东西不错，下次还来，客服很好，快递很快包装整齐，没有坏的地方，客户反应好用，质量很好，满意的一次购物！

燥声有点大非常棒包装整齐，没有坏的地方，客户反应好用，质量很好，满意的一次购物！

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