| 型号 : | SV10PA2-4X/ | 品牌 : | 力士乐REXROTH |
| 加工定制 : | 否 | 规格 : | SV10PA2-4X/ |
REXROTH液控单向阀SV10PA2-4X/，武汉百士自动化设备有限公司供应产品，现货库存，原厂原装，质量保障，价格优惠；移动电话：15307180902，商务QQ：980227448，传真：027-87680708-608，联系人：雷青；欢迎新老客户咨询购买！
流量控制阀
作用:
依靠改变阀口通流面积(节流口局部阻力)的大小或通流通道的长短来控制流量，从而实现执行元件所要求的运动速度。
类型:
普通节流阀、调速阀、单向节流阀、单向调速阀等。
一、流量控制原理及节流口形式
1、影响流量稳定性的因素
节流口通常有三种基本形式:薄壁小孔、细长小孔和短孔。
(1)压差对流量的影响。
(2)温度对流量的影响。
(3)节流口的抗堵塞性。
为保证流量稳定，节流口的形式以薄壁小孔较为理想。
2、节流口的形式
针阀式、偏心槽式、轴向三、角槽式、周向缝隙式、轴向缝隙式
二、普通节流阀
1、结构及工作原理
2、普通节流阀的调速特性
三、单向节流阀
四、调速阀
组成:
普通节流阀+稳压阀：减压阀(串接)、溢流阀(并接)
保证节流阀前后压差基本不变
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喷气织机是采用喷射气流牵引纬纱穿越梭口的无梭织机。工作原理是利用空气作为引纬介质，以喷射出的压缩气流对纬纱产生摩擦牵引力进行牵引，将纬纱带过梭口，通过喷气产生的射流来达到引纬的目的。
这种引纬方式能使织机实现高速高产。在几种无梭织机中，喷气织机是车速高的一种，由于引纬方式合理，入纬率较高，运转操作简便安全，具有品种适应性较广，机物料消耗少，效率高，车速高、噪音低等优点，已成为具发展前途的新型布机之一。由于喷气织机采用气流纬方式，大的缺点是能量消耗较高。
液压站是由液压泵、驱动用电动机、油箱、方向阀、节流阀、溢流阀等构成的液压源装置或包括控制阀在内的液压装置。按驱动装置要求的流向、压力和流量供油，适用于驱动装置与液压站分离的各种机械上，将液压站与驱动装置（油缸或马达）用油管相连，液压系统即可实现各种规定的动作。
液压站作用液压站一般是为大中型工业生产的机械运行提供润滑、动力的机电装置。
使用液压系统是由于液压系统在动力传递中具有用途广、效率高和构造简单的特点。液压系统的主要任务就是将动力从一种形式转变成另一种形式。
液压站又称液压泵站，电机带动油泵旋转，泵从油箱中吸油后打油，将机械能转化为液压油的压力能，液压油通过集成块（或阀组合）被液压阀实现了方向、压力、流量调节后经外接管路传输到液压机械的油缸或油马达中，从而控制了液动机方向的变换、力量的大小及速度的快慢，推动各种液压机械做功。
液压站是独立的液压装置，它按驱动装置（主机）要求供油，并控制油流的方向、压力和流量，它适用于主机与液压装置可分离的各种液压机械下，由电机带动油泵旋转，泵从油箱中吸油后打油，将机械能转化为液压油的压力能。
用户购买后只要将液压站与主机上的执行机构（油缸和油马达）用油管相连，液压机械即可实现各种规定的动作、工作循环。
力士乐REXROTH液压元件应用行业：注塑机、吹塑机、橡胶和发泡机、陶瓷压机、同步折弯机(折板机),、剪板机(剪床）、冲切/步冲、金属压力机、弯曲/锯床、机床、食品机械、皮革/鞋机、木材/造纸机械、钢铁业/铸造、压铸机/挤压机、电厂、生态能源（风能-水力-太阳能）设备、油和天然气工业设备、混凝土泵、路机、钻井/开采设备、起重机、升降机/叉车、推土机、道路，隧道，水坝工程设备、压缩机、街道维修设备、模拟器/娱乐设备、卡车、铁路工程设备、航空工业设备、船舶/航海工业设备、打谷机/喷洒机、拖拉机/收割机。