放大器
Rnbsp; VT-SR7-1X/1/A4VS.40HS
Rnbsp; VT-SR21-1X/0/4WRDU16
Rnbsp; SV20PB1-4X/V
各种液压阀的操纵、控制都是通过力(力矩)或位移(角位移)形式的机械量来实现的,其可以通过手动、气动、机动、液动、电动及其组合方式进行。一般采用电液控制,通过电-机械(E-M)换能器将电量转换成控制机械运动所需的机械量,比例阀的机械(E-M)换能器通常是比例电磁铁,具有足够的输出力和位移。
比例阀通常由阀体、阀芯、复位弹簧和比例电磁铁等组成,比例电磁铁实际是一个输出力与输入电流呈线性变化的电磁线圈,电磁铁将电流转化为作用在阀芯上的力,以克服弹簧的弹力,从而控制阀芯的位移,阀芯与阀体形成的开口大小决定法的流量或压力。
比例电磁铁为了输出克服弹簧力和液动力,必须要有足够的电流,不同的厂家的比例电磁铁,位移所需的电流值通常在mA不等,而工业控制标准信号通常是0-5v/0-10v/-5-+5v/-10-+10v的电压信号或0-20mA/4-20mA电流信号,控制信号带负载能力很弱,不足以推动比例电磁铁。比例阀放大器起到一个信号匹配的作用,接收微弱的控制信号,输出比例电磁铁所需的电流,同时比例阀放大器加入了各种必要的环节,如死区调整/增益调整/斜坡时间/颤振调节等。
总之,比例阀放大器就是一个信号匹配器。
Rnbsp; VT-VSPA2-1-1X/T1
Rnbsp; VT-SR21-1X/1/4WRDU16
Rnbsp; M-3SEW6U3X/420MG24K4/P
Rnbsp; PGF2-2X/019RJ20VU2
Rnbsp; VT-SR1-1X/1/4WRD10-3X
Rnbsp; VT-PVAR2-1X/1
Rnbsp; VT-PVPQ1-1X/0
Rnbsp; SV15GA2-4X//12
Rnbsp; M-3SEW6C3X/420MG24N9K4/B12
Rnbsp; PGF3-3X/032RJ07VU2
Rnbsp; PGF3-3X/025RJ07VU2
Rnbsp; VT-VSPA2-1-1X/T5
Rnbsp; PGF3-3X/025RE07VE4K
Rnbsp; VT-PVAR2-1X/0
Rnbsp; SV52FB1-1X//12
Rnbsp; VT11132-1Xnbsp;
Rnbsp; VT-SR7-1X/0/A4VS.500HS
Rnbsp; SL25GB1-4X/V/12
Rnbsp; M-3SEW6U3X/630MG24N9K4/P
Rnbsp; M-3SEW6C3X/630MG24N9K4/P
Rnbsp; M-3SEW6C3X/420MG24N9K4/B07
Rnbsp; VT-SR32-1X/1-2(2WRC40)
Rnbsp; VT-SR2-1X/0-60
Rnbsp; VT-SR1-1X/1/4WRD16-3X
Rnbsp; SL20GB1-4X//12
Rnbsp; VT-VSPA1-1-1X/
Rnbsp; VT2000-5X/
轴向柱塞泵:
A10VSO10DR/52R-PPA14N00 A10VO18DFR1/31R-PPA12N00 A10VSO28DFR1/31R-PPA12N00 A10VSO45DFR1/31R-PPA12N00 A10VSO71DFR1/31R-PPA12N00 A10VSO100DFR1/31R-PPB12N00 A10VSO140DFR1/31R-PPA12N00 A10VSO45DFR1/32R-PPB12N00 A10VSO100DFR1/32R-PPB12N00 A10VSO071DFR1/32R-VPB12N00A10VSO140DFR1/32R-VPB12N00 A10VSO140DRS/32R-VPB22U9 A10VSO140DR/31R-PPB12N00
电磁阀:
4WE6C6X/EG24N9K4,4WE6D6X/EG24N9K4,4WE6Y6X/EG24N9K4,4WE6E6X/EG24N9K4,4WE6J6X/EG24N9K4,4WE6H6X/EG24N9K4,4WE6M6X/EG24N9K4,4WE6G6X/EG24N9K4,4WE10D3X/CG24N9K4,4WE10E3X/CG24N9K4,4WE10J3X/CG24N9K4,4WE10G3X/CG24N9K4, 4WE6Y7X/HG24N9K4,4WE6D7X/HG24N9K4,4WE6E7X/HG24N9K4,4WE6J7X/HG24N9K4,4WE6Y7X/HG24N9K4,4WE6H7X/HG24N9K4,4WE6G7X/HG24N9K4;
溢流阀: DBW10B1-5X/200-6EG24N9K4, DBW20B1-5X/200-6EG24N9K4,DBW10B1-5X/315-6EG24N9K4,DBW20B2-5X/315-6EG24N9K4。
电磁阀大量现货:
4WE6C6X/EG24N9K4,4WE6D6X/EG24N9K4,4WE6Y6X/EG24N9K4,4WE6E6X/EG24N9K4,4WE6J6X/EG24N9K4,4WE6H6X/EG24N9K4,4WE6M6X/EG24N9K4,4WE6G6X/EG24N9K4,4WE10D3X/CG24N9K4,4WE10E3X/CG24N9K4,,4WE10G3X/CG24N9K4,4WE6Y7X/HG24N9K4,4WE6D7X/HG24N9K4,4WE6E7X/HG24N9K4,4WE6J7X/HG24N9K4,
4WE6Y7X/HG24N9K4,4WE6H7X/HG24N9K4,4WE6G7X/HG24N9K4;
溢流阀大量现货:DBW10B1-5X/200-6EG24N9K4,DBW20B1-5X/200-6EG24N9K4,DBW10B1-5X/315-6EG24N9K4,DBW20B2-5X/315-6EG24N9K4。
REXROTH博世力士乐轴向柱塞泵现货:
A10VSO10DR/52R-PPA14N00,A10VO18DFR1/31R-PPA12N00,A10VSO28DFR1/31R-PPA12N00,A10VSO45DFR1/31R-PPA12N00,A10VSO71DFR1/31R-PPA12N00,A10VSO100DFR1/31R-PPB12N00,
A10VSO140DFR1/31R-PPA12N00,A10VSO45DFR1/32R-PPB12N00,A10VSO100DFR1/32R-PPB12N00,A10VSO071DFR1/32R-VPB12N00,A10VSO140DFR1/32R-VPB12N00,
A10VSO140DRS/32R-VPB22U99;
比例方向阀:
直控式比例方向阀 4WRA, 4WRAE, 4WRAF, 4WRE, 4WREE, 4WREF, 4WREEM
先导式比例方向阀 4WRZ, 4WRZE, 4WRZF, 4WRKE
其他 直控式二位三通比例方向阀(插装阀)
带感应式位置开关的比例方向阀
高频响阀:
直控式 WV1, RV1-PL1, RV1-HRV1, RV1-P/Q1,
先导式 4WRDE, WV2-HPP, RV2-PL2, RV2-PL2, RV2-HRV2, 3/2V伺服阀
二级伺服阀 4WS.2E,
三级伺服阀 4WSE3EE,
比例压力控制阀:
直动式 DBET, DBETE, DBEP, KBPS, PV1-DBV, PV1-DBV(Active Plug), PV1-DBV,
先导式 (Z)DBE, (Z)DBEE, DBE(M), DBE(M)E, PV2-DBV,
比例减压阀:
3DREP, 3DREPE, (Z)DRE, ZDRE, ZDREE, DRE(M), DRE(M)E, 3DRE(M), 3DRE(M)E, PV2-DRV-3W
电磁阀
DG4V-3-0B-M-U-H7-60
DG4V-3-22A-MU-D6-60
DG4V-3-22A-M-U-D6-60
DG4V-3-22A-M-U-H7-60-EN2-1
DG4V-3-2A-M-U1-H7-60
DG4V-3-2A-M-U-C6-60
DG4V-3-2A-VM-U-C6-60
DG4V-3-2A-VM-U-H7-60
DG4V-3-2A-Z-M-U-A6-60
DG4V-3-2A-Z-M-U-C6-60
DG4V-3-2C-M-FW-B6-60
DG4V-3-2N-M-U-A6-60
DG4V-3-2N-M-U-C6-60
DG4V-3-2A-M-U-C-60
DG4V-3-2C-H-U-L-CDL-60
DG4V-3S-6C-M-FW-B5-60
DG4V-3-2A-M-U-H7-60
DG4V-3-2N-M-U-H7-60
DG4V-5-6C-M-U-H6-20
DG4V-3-2N-M-U-D6-60
DG4V-3-33C208-MUHH760
DG4V-3-33C-M-U-H7-60
DG4V-3-52BL-M-U-H7-60
DG4V-3-6C-M-P2-T7-52
DG4V-3-2A-A-D24-6Y