Rexroth力士樂電磁換向閥上?？偞?/strong>
德國(guó)Rexroth換向閥是具有兩種以上流動(dòng)形式和兩個(gè)以上油口的方向控制閥。是實(shí)現(xiàn)液壓油流的溝通、切斷和換向，以及壓力卸載和順序動(dòng)作控制的閥門。本文以換向閥的操縱方式為基礎(chǔ)，分析換向閥的分類、結(jié)構(gòu)及其工作原理。
Rexroth力士樂電磁換向閥的類型有
按閥的結(jié)構(gòu)形式：滑閥式、轉(zhuǎn)閥式、球閥式、錐閥式。
按閥的操縱方式：手動(dòng)式、電磁式、液動(dòng)式、電液動(dòng)式。
按閥的工作位置數(shù)和控制的通道數(shù)：二位二通閥、二位三通閥、二位四通閥、三位四通閥、三位五通閥等。
換向閥的操縱方式

Rexroth力士樂電磁換向閥上?？偞?/strong>

Rexroth manual valve
Rexroth valve manually reset and the main spring ball positioning two types. The following figure shows the steel ball positioning a three-way manual valve hand joystick to promote the spool relative to the valve body to move, you can make through the ball valve stable in three different working positions. The following diagram b, compared with spring automatic reset type three-way manual valve. After pushing through the handle valve, in order to maintain the extreme position, the handle must be manually Banzhu hold, upon release of the handle, the spool will spring force automatically play the return to center. C The following figure shows the rotational movement of the manual valve, rotate the handle to push the spool to change the working position by the screw. This structure has a small, easy adjustment. Because of this valve handle with a lock, do not open that can not be adjusted, and therefore safe to use

Rexroth力士樂電磁換向閥上?？偞?/strong>

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