力士乐插装阀盖板LFA32D-7X/FX15

力士乐插装阀盖板LFA32D-7X/FX15 R900924596，德国REXROTH插装阀盖板，购买进口液压、气动、自动化控制工业配件，认准“上海韦米机电设备有限公司”，7年老店，保证产品原厂原装，价格优惠，售后无忧，欢迎新老客户咨询采购！
 
液压机是对金属材料塑料、橡胶和粉末冶金制品进行压力加工的设备，在工业部门得到了广泛应用,如金属材料的拉伸、冲裁弯曲翻边冷挤压以及成型加工等，还用于校正、压装、粉末冶金制品和磨料制品的压制成型及塑料制品、绝缘材料的压制成型等。为完成上述工作,液压机应能产生较大的压力,因此,液压系统工作压力、尺寸和流量也大,对其设计要求也高,是较典型的高压大流量系统。①液压系统压力应能经常变换和调节,并能产生较大压力，以满足不同的工作要求。②空程速度大、加压时推力大,系统功率大,要求功率利用率高。③空程与压制时,其速度与压力相差甚大,所以多采用高低压泵组或恒功率变量泵供油系统.以满足低压快速行程和高压慢速行程要求。

随着液压技术的发展和普及应用，液压机有了进一步发展。目前,液压机的*大标定压力已达750 MN。液压系统在高压,大流量情况下工作可靠性要好。以滑阀式结构为主的液压控制阀，由于其结构所限,已不适应液压系统要求。插装阀有如下特点:①通流能力大.阻力小,适合于大流量、高压时工作。②结构简单,- - 阀多能,便于实现标准化,有利于加工.装配和维修。③采用不同性能的先导阀与之配合便可构成各种二通插装阀,实现方向、压力和流量控制以及复合控制,设计选型方便容易。④密封性好,泄漏小,响应快。⑤易于实现集成化配置,使系统结构紧凑,便于无管连接,并可有效防止泄漏和污染。因此,插装阀在液压机液压系统中已得到广泛应用。

(1)Y32系列4柱液压机,适用于拉伸、弯曲、翻边、校正，压装及冷热挤压等工艺加工。①液压系列采用二通插装阀,电器控制系统可配置"PC"可编程序控制器,并有独立的电器及液压动力机构。②采用按钮集中控制,可实现调整.手动及半自动3种操作方式。③液压控制采用
整体式插装阀集成系统,泄漏点少、动作可靠使用寿命长。④可实现定压、定程两种成型工艺,具备保压延时功能,延时长短可调，工作压力行程可在规定范围内调节。
(2)液压机工作。液压机工作循环见所示，液压机根据压制工艺要求,主液压缸可完成快速下行→减速压制→保压延时→卸压换向→快速返回→原位停止的循环工作过程,而且压力、速度和保压时间可以调节。主要用于辅助液压缸顶出工件,要求可实现向上顶出→停留→向下退回→原位停止。薄板拉伸时,要求辅助液压缸上升、停止和压力回程等辅助动作.有时还需将坯料压紧,以防周边起皱。
(3)液压机液压系统工作。液压机液压系统工作原理所示。在分析液压系统时,可参阅电磁铁动作顺序。液压泵采用可按压力自动调节排量的恒功率柱塞泵,系统由5个插装阀集成块叠加组成,每个集成块包括多个插装阀及其先导控制元件.各集成块组成元件及其作用见表2。

液压机液压系统主要由压力控制回路、换向回路和,快慢速转换回路等组成,并采用二通插装阀集成化结构。
(1)采用高压.大流量和恒功率(带压力补偿)变量液压泵供油,并配以由调压阀和电磁阀构成的电磁溢流阀,使液压泵空载启动,主、辅液压缸原位停止时液压泵均卸荷,这样既符合液压机的工艺要求,又节省能源。
(2)采用密封性好，通流能力大和压力损失小的插装阀组成液压系统,液压油路简单结构紧凑动作灵敏。
(3)利用滑块自身质量实现主液压缸快速下行,并用充液阀补充油液，使快动回路结构简单,元件少。
(4)采用由可调缓冲阀和电磁阀组成的释压回路,减少由“保压”转为“快退"时的液压冲击，使液压机工作平稳。系统在液压泵的出口设置了单向阀和安全阀,在主液压缸和辅助液压缸的上、下腔进出油路上均设有安全阀。另外,在通过压力油液的插装阀F3. F5、F7和F9的控制液压油路上都装有梭阀,保证关闭可靠。这些多重保护措施保证了液压机工作安全可靠。
通过在工业生产中的应用以及进一步分析研究可知,该二通插装阀集成化技术对进--步改善液压系统的性能还有优化的空间，借助二通插装阀的标准化优势,使整个集成块控制结构的系列化、通用化也有进- -步合理化的空间。

插装阀与我们所说的普通液压控制阀有所不同，它的通流量可达到1000L/min,通径可达200～250mm。阀芯结构简单，动作灵敏，密封性好。它的功能比较单一，主要实现液路的通或断，与普通液压控制阀组合使用时，才能实现对系统油液方向、压力和流量的控制。
插装阀基本组件
组件由阀芯、阀套、弹簧和密封圈组成。根据用途不同分为方向阀组件、压力阀组件和流量阀组件。同一通径的三种组件安装尺寸相同，但阀芯的结构形式和阀套座直径不同。三种组件均有两个主油口A 和B、一个控制口x 。
力士乐插装阀盖板LFA32D-7X/FX15 R900924596
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力士乐REXROTH二通插装阀、定向功能，控制盖板LFA..H1 
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力士乐REXROTH力士乐REXROTH二通插装阀、定向功能，控制盖板LFA..H2
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锻压机床
锻压机床是金属和机械冷加工用的设备，他只改变金属的外形状。锻压机床包括卷板机，剪板机，冲床，压力机，液压机，油压机，折弯机等。

液压机是一种以液体为工作介质，根据帕斯卡原理制成的用于传递能量以实现各种工艺的机器。液压机一般由本机（主机）、动力系统及液压控制系统三部分组成。液压机分类有阀门液压机，液体液压机，工程液压机。

液压机（又名：油压机）液压机是一种利用液体静压力来加工金属、塑料、橡胶、木材、粉末等制品的机械。它常用于压制工艺和压制成形工艺，如：锻压、冲压、冷挤、校直、弯曲、翻边、薄板拉深、粉末冶金、压装等等。
它的原理是利用帕斯卡定律制成的利用液体压强传动的机械，种类很多。当然，用途也根据需要是多种多样的。如按传递压强的液体种类来分，有油压机和水压机两大类。

液压机是一种以液体为工作介质，用来传递能量以实现各种工艺的机器。液压机除用于锻压成形外，也可用于矫正、压装、打包、压块和压板等。液压机包括水压机和油压机。以水基液体为工作介质的称为水压机,以油为工作介质的称为油压机。液压机的规格一般用公称工作力（千牛）或公称吨位（吨）表示。锻造用液压机多是水压机，吨位较高。为减小设备尺寸，大型锻造水压机常用较高压强（35兆帕左右），有时也采用 100兆帕以上的超高压。其他用途的液压机一般采用 6～25兆帕的工作压强。油压机的吨位比水压机低。

基本原理是油泵把液压油输送到集成插装阀块，通过各个单向阀和溢流阀把液压油分配到油缸的上腔或者下腔，在高压油的作用下，使油缸进行运动.液压机是 利用液体来传递压力的设备。液体在密闭的容器中传递压力时是遵循帕斯卡定律。四柱液压机的液压传动系统由动力机构、控制机构、执行机构、辅助机构和工作介质组成。动力机构通常采用油泵作为动力机构，一般为积式油泵。为了满足执行机构运动速度的要求， 选用一个油泵或多个油泵。低压（油压小于2.5MP）用齿轮泵；中压（油压小于6.3MP）用叶片泵；高压（油压小于32.0MP)用柱塞泵。各种可塑性 材料的压力加工和成形，如不锈钢板的挤压、弯曲、拉深及金属零件的冷压成形，同时亦可用于粉末制品、砂轮、胶木、树脂热固性制品的压制。

驱动系统
液压机的驱动系统主要有泵直接驱动和泵-蓄能器驱动两种型式。泵直接驱动，这种驱动系统的泵向液压缸提供高压工作液体，配流阀用来改变供液方向，溢流阀用来调节系统的限定压强，同时起安全溢流作用。这种驱动系统环节少,结构简单,压强能按所需的工作力自动增减，减少了电能消耗，但须由液压机的大工作力和高工作速度来决定泵及其驱动电机的容量。这种型式的驱动系统多用于中小型液压机，也有用泵直接驱动的大型（如120000千牛）自由锻造水压机。

泵－蓄能器驱动 　在这种驱动系统中有一个或一组蓄能器。当泵所供给的高压工作液有余量时，由蓄能器储存；而当供给量不足于需要时，便由蓄能器补充供给。采用这种系统可以按高压工作液的平均用量选用泵和电动机的容量，但因为工作液的压强是恒定的，电能消耗量较大，并且系统的环节多，结构比较复杂。这种驱动系统多用于大型液压机，或者用一套驱动系统驱动数台液压机。

冲压机是通过电动机驱动飞轮，并通过离合器，传动齿轮带动曲柄连杆机构使滑块上下运动，带动拉伸模具对钢板成型。冲压机也叫冲床，学名为压力机。

冲压机是通过电动机驱动飞轮，并通过离合器，传动齿轮带动曲柄连杆机构使滑块上下运动，带动拉伸模具对钢板成型。所谓的双动就是指压力机有两个滑块，分为内滑块和外滑块，内滑块带动模具的凸模或凹模，外滑块带动模具上的压边圈，在拉伸时压边圈首先动作压住钢板边缘，内滑块再动作进行拉伸。

设计原理是将圆周运动转换为直线运动，由主电动机出力，带动飞轮，经离合器带动齿轮、曲轴（或偏心齿轮）、连杆等运转，来达成滑块的直线运动，从主电动机到连杆的运动为圆周运动。
连杆和滑块之间需有圆周运动和直线运动的转接点，其设计上大致有两种机构，一种为球型，一种为销型（圆柱型） ，经由这个机构将圆周运动转换成滑块的直线运动。冲压机对材料施以压力，使其塑性变形，而得到所要求的形状与精度，因此必须配合一组模具（分上模与下模），将材料置于其间，由机器施加压力，使其变形，加工时施加于材料之力所造成之反作用力，由冲压机机械本体所吸收。