SMC多功能閥工作原理,SMC氣動元件
SMC多功能閥的先導閥a通電，b斷電，氣壓力從通口P1輸入調壓活塞下腔，調壓活塞4上移，使R口與A口接通，實現降壓供氣。A口氣壓經反饋通道作用于調壓活塞上腔。當兩側壓力平衡時，靠彈簧力使座閥式閥芯封閉，輸出口A處達設定壓力。先導閥a和b都不通電，調壓活塞下腔余壓從P3孔排空，兩座閥式閥芯都處于封閉狀態，A口保持壓力不變。讓先導閥b通電，a不通電時，通口P2氣壓進入操作活塞上腔，使A口與P口接通，但開口量大小取決于節流閥的調節位移量，故A→P實現節流排氣。用一個VEX5減壓閥可經濟地實現對氣缸速度控制、中停等作業。
SMC多功能閥工作原理,SMC氣動元件
VEX3222-5MOZ VEX3420-04 VEX3701-103DZ-B VEX5911-203DZ
VEX3301-025DZ VEX3421-033G VEX3701-104DZ-B VEX5911-204DZ
VEX3302-035DZ-X1 VEX3421-035G VEX3701-105DZ VEX5911-205DZ
VEX3311-025DZ-X2 VEX3421-03-5G VEX3701-105EZ-B VEX5911-205DZ-BG
VEX3311-025G-B-X2 VEX3421-035GS VEX3701-125DZ VEX7-32
VEX3311-025G-X2 VEX3421-045DZ VEX3701-125DZ-B VEX9-32
VEX3121-025G VEX3321-033MZ VEX3501-065DZ VEX3902-143TZ-B
VEX3121-025L VEX3321-034G VEX3501-065EZ-B VEX3902-144DZ
VEX3121-025LU-X160VEX3321-034LS-FVEX3501-065GS-BVEX3902-144DZ-B
VEX3121-025M-B VEX3321-035DZ VEX3501-065TZ-B VEX3902-144DZ-BN
VEX3121-025MZ VEX3321-035DZ-B VEX3501-101DZ VEX3902-144G
VEX3121-025MZ-FNVEX3321-035G VEX3501-101EZ-B VEX3902-144TZ-B
VEX3122-014G VEX3321-035M VEX3501-104G VEX3902-145DZ
VEX3122-014MZ VEX3321-035MZ VEX3501-105DZ VEX3902-145DZ-BN
VEX3122-015D VEX3321-035MZ-B VEX3501-105DZ-B VEX3902-145TZ-B
VEX3122-015GVEX3321-041GSVEX3501-105DZ-BNVEX3902-201DZ-B
VEX3122-023G VEX3321-041GS-B VEX3501-105EZ-B VEX3902-203DZ
VEX3122-024G VEX3321-044G VEX3501-105G VEX3902-203DZ-BN
VEX3122-025DZ-F VEX3321-045D VEX3502-043TZ-B VEX3902-203TZ-BN
VEX3122-025DZ-X158VEX3321-045DZ VEX3502-045DZ VEX3902-204DZ-B
VEX3122-025DZ-X168VEX3321-045GVEX3502-045DZ-B VEX3902-204DZ-BN
