博士力士乐内部培训讲义中文版 BRI Training 2005.pdf
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1、祝 各位祝 各位 生意兴隆 身体健康、合家欢乐 ! 生意兴隆 身体健康、合家欢乐 ! All rights reserved by Bosch Rexroth AG, even and especially in cases of proprietary rights applications. We also retain sole power of disposal, including all rights relating to copying, transmission and dissemination. 2 14th 15th January 2004, Bosch Rexrot
2、h in China BRI-IC Current Product range All rights reserved by Bosch Rexroth AG, even and especially in cases of proprietary rights applications. We also retain sole power of disposal, including all rights relating to copying, transmission and dissemination. 3 14th 15th January 2004, Bosch Rexroth i
3、n China All rights reserved by Bosch Rexroth AG, even and especially in cases of proprietary rights applications. We also retain sole power of disposal, including all rights relating to copying, transmission and dissemination. 4 14th 15th January 2004, Bosch Rexroth in China All rights reserved by B
4、osch Rexroth AG, even and especially in cases of proprietary rights applications. We also retain sole power of disposal, including all rights relating to copying, transmission and dissemination. 5 14th 15th January 2004, Bosch Rexroth in China 单向型阀单向型阀 All rights reserved by Bosch Rexroth AG, even a
5、nd especially in cases of proprietary rights applications. We also retain sole power of disposal, including all rights relating to copying, transmission and dissemination. 6 14th 15th January 2004, Bosch Rexroth in China 单向阀应用举例:单向阀应用举例: All rights reserved by Bosch Rexroth AG, even and especially i
6、n cases of proprietary rights applications. We also retain sole power of disposal, including all rights relating to copying, transmission and dissemination. 7 14th 15th January 2004, Bosch Rexroth in China 单向阀应用举例:单向阀应用举例: 下降 提升 高低压 选择 补油(防吸空阀) 闭锁 下降 提升 高低压 选择 补油(防吸空阀) 闭锁 All rights reserved by Bosc
7、h Rexroth AG, even and especially in cases of proprietary rights applications. We also retain sole power of disposal, including all rights relating to copying, transmission and dissemination. 8 14th 15th January 2004, Bosch Rexroth in China 单向型阀单向型阀 All rights reserved by Bosch Rexroth AG, even and
8、especially in cases of proprietary rights applications. We also retain sole power of disposal, including all rights relating to copying, transmission and dissemination. 9 14th 15th January 2004, Bosch Rexroth in China 内泄与外泄的比较:内泄与外泄的比较: ?二次侧(A口)的压力不会对 控制压力的作用产生决定性 的影响! ?二次侧(A口)的压力一定会 对控制压力的作用产生决定 性的
9、影响! All rights reserved by Bosch Rexroth AG, even and especially in cases of proprietary rights applications. We also retain sole power of disposal, including all rights relating to copying, transmission and dissemination. 10 14th 15th January 2004, Bosch Rexroth in China 应用举例:应用举例: All rights reser
10、ved by Bosch Rexroth AG, even and especially in cases of proprietary rights applications. We also retain sole power of disposal, including all rights relating to copying, transmission and dissemination. 11 14th 15th January 2004, Bosch Rexroth in China 应用举例:应用举例: ?带有液控单向阀的系统的泄油背压不 能超标! ?内泄式液控单向阀不能用于
11、后面带有 可变液阻的场合:如:后接节流阀; 比例阀等! All rights reserved by Bosch Rexroth AG, even and especially in cases of proprietary rights applications. We also retain sole power of disposal, including all rights relating to copying, transmission and dissemination. 12 14th 15th January 2004, Bosch Rexroth in China All
12、 rights reserved by Bosch Rexroth AG, even and especially in cases of proprietary rights applications. We also retain sole power of disposal, including all rights relating to copying, transmission and dissemination. 13 14th 15th January 2004, Bosch Rexroth in China 双向液控单向阀双向液控单向阀 All rights reserved
13、 by Bosch Rexroth AG, even and especially in cases of proprietary rights applications. We also retain sole power of disposal, including all rights relating to copying, transmission and dissemination. 14 14th 15th January 2004, Bosch Rexroth in China 双向液控单向阀双向液控单向阀 ?结构小巧, 紧凑 ?价廉 All rights reserved b
14、y Bosch Rexroth AG, even and especially in cases of proprietary rights applications. We also retain sole power of disposal, including all rights relating to copying, transmission and dissemination. 15 14th 15th January 2004, Bosch Rexroth in China 单向型阀单向型阀 All rights reserved by Bosch Rexroth AG, ev
15、en and especially in cases of proprietary rights applications. We also retain sole power of disposal, including all rights relating to copying, transmission and dissemination. 16 14th 15th January 2004, Bosch Rexroth in China 充液阀SF充液阀SF ?法兰连接形式; 125400(500), 世界最大。 ?弹簧较软,很低的 负压即可开启。 ?自动关闭。 ?由于弹簧较软,所
16、以关闭时间也较慢。 All rights reserved by Bosch Rexroth AG, even and especially in cases of proprietary rights applications. We also retain sole power of disposal, including all rights relating to copying, transmission and dissemination. 17 14th 15th January 2004, Bosch Rexroth in China 充液阀ZSF(S)充液阀ZSF(S) ?法
17、兰连接,叠加式结 构;32160(250)。 ?可液压关闭 (ZSFS) ,时间可 以较快;NG250的关 闭时间可小于100ms。 All rights reserved by Bosch Rexroth AG, even and especially in cases of proprietary rights applications. We also retain sole power of disposal, including all rights relating to copying, transmission and dissemination. 18 14th 15th J
18、anuary 2004, Bosch Rexroth in China All rights reserved by Bosch Rexroth AG, even and especially in cases of proprietary rights applications. We also retain sole power of disposal, including all rights relating to copying, transmission and dissemination. 19 14th 15th January 2004, Bosch Rexroth in C
19、hina All rights reserved by Bosch Rexroth AG, even and especially in cases of proprietary rights applications. We also retain sole power of disposal, including all rights relating to copying, transmission and dissemination. 20 14th 15th January 2004, Bosch Rexroth in China 单球式结构:见图式单球式结构:见图式 ?直控式结构只
20、做到10 通径,630 巴,36升/ 分 ?干式直流电磁铁,线圈可拆卸,线圈可转动 90o角。 ?可带辅助手动 ?电磁铁和阀芯之间可带力放大杆 ?顶杆6带双向密封,两道密封之间的容腔与P 口相通,实现了阀芯的轴向力平衡,使换向 力减小。 ?换向的瞬间P,T,A相通,负遮盖,减小压力 冲击 ?可在P口装入一个节流嘴,以防止流量超过 阀的功率极限(这一点需引起注意) ?可在P口装入一个单向阀,使液流只能单向 导通,可截断执行元件的压力冲击,防止执 行元件在启动阶段发生回溜的现象。见图示 All rights reserved by Bosch Rexroth AG, even and especi
21、ally in cases of proprietary rights applications. We also retain sole power of disposal, including all rights relating to copying, transmission and dissemination. 21 14th 15th January 2004, Bosch Rexroth in China 双球式结构:(见图示)双球式结构:(见图示) ?原理与单球式结构相同 All rights reserved by Bosch Rexroth AG, even and es
22、pecially in cases of proprietary rights applications. We also retain sole power of disposal, including all rights relating to copying, transmission and dissemination. 22 14th 15th January 2004, Bosch Rexroth in China 无球直动式结构结构无球直动式结构结构 原理与单球式结构相同, 但直流电磁铁为湿式结 构。 All rights reserved by Bosch Rexroth A
23、G, even and especially in cases of proprietary rights applications. We also retain sole power of disposal, including all rights relating to copying, transmission and dissemination. 23 14th 15th January 2004, Bosch Rexroth in China 3/2 和和 4/2 : ?两位三通和两位四通之 间只相差一个连接底 板,底板中阀芯的动作 靠阀芯两边的面积差; 换向过程中P,A,B瞬时
24、 相通,为负遮盖,压力 冲击小。 ?*注意:当执行元件为差 动缸时,为了防止缸的 压力放大作用影响阀的 换向, 需将缸的有杆腔 与A口相通。 All rights reserved by Bosch Rexroth AG, even and especially in cases of proprietary rights applications. We also retain sole power of disposal, including all rights relating to copying, transmission and dissemination. 24 14th 15
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