REXROTH拉桿氣缸與液壓缸的連接形式，可分為串聯型與并聯型兩種。前面所述為串聯型，圖42.2-6為并聯型氣-液阻尼缸。串聯型缸體較長；加工與安裝時對同軸度要求較高；有時兩缸間會產生竄氣竄油現象。并聯型缸體較短、結構緊湊；氣、液缸分置，不會產生竄氣竄油現象；因液壓缸工作壓力可以相當高，液壓缸可制成相當小的直徑（不必與氣缸等直徑）；但因氣、液兩缸安裝在不同軸線上，會產生附加力矩，會增加導軌裝置磨損，也可能產生“爬行”現象。串聯型氣-液阻尼缸還有液壓缸在前或在后之分，液壓缸在后參見圖42.2-5，液壓缸活塞兩端作用面積不等，工作過程中需要儲油或補油，油杯較大。如將液壓缸放在前面（氣缸在后面），則液壓缸兩端都有活塞桿，兩端作用面積相等，除補充泄漏之外就不存在儲油、補油問題，油杯可以很小。
REXROTH拉桿氣缸對于接近行程末端時速度較高的氣缸，不采取必要措施，活塞就會以很大的力（能量）撞擊端蓋，引起振動和損壞機件。為了使活塞在行程末端運動平穩，不產生沖擊現象。在氣缸兩端加設緩沖裝置，一般稱為緩沖氣缸。緩沖氣缸見圖42.2-4，主要由活塞桿1、活塞2、緩沖柱塞3、單向閥5、節流閥6、端蓋7等組成。其工作原理是：當活塞在壓縮空氣推動下向右運動時，缸右腔的氣體經柱塞孔4及缸蓋上的氣孔8排出。在活塞運動接近行程末端時，活塞右側的緩沖柱塞3將柱塞孔4堵死、活塞繼續向右運動時，封在氣缸右腔內的剩余氣體被壓縮，緩慢地通過節流閥6及氣孔8排出，被壓縮的氣體所產生的壓力能如果與活塞運動所具有的全部能量相平衡，即會取得緩沖效果，使活塞在行程末端運動平穩，不產生沖擊。
REXROTH拉桿氣缸和油缸組合而成，它的工作原理見圖1。它是以壓縮空氣為能源，并利用油液的不可壓縮性和控制油液排量來獲得活塞的平穩運動和調節活塞的運動速度。它將油缸和氣缸串聯成一個整體，兩個活塞固定在一根活塞桿上。當氣缸右端供氣時，氣缸克服外負載并帶動油缸同時向左運動，此時油缸左腔排油、單向閥關閉。油液只能經節流閥緩慢流人油缸右腔，對整個活塞的運動起阻尼作用。調節節流閥的閥口大小就能達到調節活塞運動速度的目的。當壓縮空氣經換向閥從氣缸左腔進人時，油缸右腔排抽，此時因單向閥開啟，活塞能快速返回原來位置。
這種氣液阻尼缸的結構一般是將雙活塞桿缸作為油缸。因為這樣可使油缸兩腔的排油量相等，此時油箱內的油液只用來補充因油缸泄漏而減少的油量，一般用油杯就行了。
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REXROTH拉桿氣缸與液壓缸串聯而成，兩活塞固定在同一活塞桿上。液壓缸不用泵供油，只要充滿油即可，其進出口間裝有液壓單向閥、節流閥及補油杯。當氣缸右端供氣時，氣缸克服載荷帶動液壓缸活塞向左運動（氣缸左端排氣），此時液壓缸左端排油，單向閥關閉，油只能通過節流閥流入液壓缸右腔及油杯內，這時若將節流閥閥口開大，則液壓缸左腔排油通暢，兩活塞運動速度就快，反之，若將節流閥閥口關小，液壓缸左腔排油受阻，兩活塞運動速度會減慢。這樣，調節節流閥開口大小，就能控制活塞的運動速度。可以看出，氣液阻尼缸的輸出力應是氣缸中壓縮空氣產生的力（推力或拉力）與液壓缸中油的阻尼力之差。
REXROTH拉桿氣缸的結構而言，尚可分為多種形式：節流閥、單向閥單獨設置或裝于缸蓋上；單向閥裝在活塞上（如擋板式單向閥）；缸壁上開孔、開溝槽、缸內滑柱式、機械浮動聯結式、行程閥控制快速趨近式等?；钊嫌袚醢迨絾蜗蜷y的氣-液阻尼缸見圖42.2-7?；钊蠋в袚醢迨絾蜗蜷y，活塞向右運動時，擋板離開活塞，單向閥打開，液壓缸右腔的油通過活塞上的孔（即擋板單向閥孔）流至左腔，實現快退，用活塞上孔的多少和大小來控制快退時的速度。活塞向左運動時，擋板擋住活塞上的孔，單向閥關閉，液壓缸左腔的油經節流閥流至右腔（經缸外管路）。調節節流閥的開度即可調節活塞慢進的速度。其結構較為簡單，制造加工較方便。
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R900940588 PVV21-1X/040-027RA15DDMB
R900940587 PVV21-1X/040-018RA15DDMB
R900940446 PVV2-1X/055RJ15UMB
R900940260 PVV1-1X/027RJ15UMB
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R900939702 PVV52-1X/193-055RA15UUMC
R900939526 PVV1-1X/036RJ15UMB
R900939497 PVV54-1X/139-098RB15UUMC
R900939347 PVV2-1X/055LA15DMB
R900939078 PVV5-1X/193RJ15DMC
R900939075 PVV1-1X/027RJ15DMB
R900939042 PVV5-1X/193RA15RMC
R900939041 PVV5-1X/183RA15RMC
R900939040 PVV2-1X/068RA15RMB
R900938819 PVV4-1X/113RA15UMC
R900937555 PVV41-1X/082-040RA15DDMC
R900937335 PVV52-1X/193-068RA15UUMC
R900937333 PVV42-1X/082-045RA15UUMC
R900937332 PVV21-1X/040-018RA15UUMB
R900937330 PVV4-1X/082RA15LMC
R900936954 PVV1-1X/027RA15UMB
R900936923 PVV5-1X/162RA15UMC
R900936760 PVV1-1X/036RA15UMB
R900936492 PVV5-1X/162RA15DMC
R900936491 PVV4-1X/113RA15DMC
R900936297 PVV5-1X/183RA15DMC
R900936296 PVV5-1X/154RA15DMC
R900936294 PVV4-1X/098RA15DMC
R900936293 PVV4-1X/069RA15DMC
R900936292 PVV2-1X/045RA15DMB
R900936290 PVV2-1X/055RA15DMB
R900936197 PVV2-1X/060RA15DMB
R900936150 PVV54-1X/183-122RA15UUMC
R900935891 PVV1-1X/036RA15DMB
R900935879 PVV41-1X/122-027RA15UUMC
R900935466 PVV2-1X/068RA15DMB
R900935445 PVV4-1X/069RA15UMC
R900934793 PVV5-1X/162RB15UMC
R900934061 PVV42-1X/098-045RA15DDMC
R900934058 PVV21-1X/060-040RA15DDMB
R900933057 PVV4-1X/082RA15RMC
R900932732 PVV5-1X/139RA15DMC
R900931901 PVV21-1X/055-018RA15UUMB
R900931548 PVV4-1X/082RA15DMC
R900931256 PVV2-1X/068RA15UVB
R900931138 PVV2-1X/040RA15UMB
R900931136 PVV4-1X/082RA15UMC
R900930907 PVV4-1X/098RA15UMC
