产地:yczdh0037 |
西门子6RA70756DS220调速器参详
西门子6RA70756DS220调速器参详
西门子6RA70756DS220调速器参详
按其工作原理
按其工作原理的不同,可分为机械式,气动式,液压式,机械气动复合式,机械液压复合式和电子式等多种形式。但应用*广的当属机械式调速器,其结构简单,工作可靠,性能良好。
液压调速器在感应元件和油量调节机构之间加入一个液压放大元件(液压伺服器),使感应元件的输出信号通过放大元件再传到油量调节机构上去,因此也叫间接作用式调速器。
液压放大元件有放大兼执行作用,主要由控制和执行两个部分组成。
1、无反馈的液压调速器
其工作原理如下:
当负荷减小时,由曲轴带动的驱动轴转速升高,飞球的离心力增加,推动速度杆右移。于是,摇杆以A点为中心逆时针转动,滑阀右移,压力油进入伺服器油缸的右部空间。与此同时,油缸的左部空间通过油孔与低压油路相通,其中的油被泄放。在压差的作用下,伺服活塞带动喷油泵齿条左移,以减少供油量。当转速恢复到原来数值时,滑阀也回到中央位置,调节过程结束。
当负荷增加,转速降低时,调速过程按相反方向进行。
从上述分析可知,调速器飞球所产生的离心力仅用来推动滑阀,因而飞球的重量尺寸就可以做得较小。而作为放大器的液压伺服器的作用力,则可根据需要,选择不同尺寸的伺服活塞和不同滑油压力予以放大。
但是,在这种调速器中,因为感应元件直接驱动滑阀,无论它朝哪个方向往动,均难准确地回到原来位置而关闭油孔。这样就使柴油机转速不稳定,而产生严重的波动。
为了使调速器能稳定调节,在调速器中还要加入一个装置,其作用是在伺服活塞移动的同时对滑阀产生一个反作用,使其向平衡的位置方向移动,减少柴油机转速波动的可能性。这种装置称为反馈机构。
SPIET800 1
PCD3.M5360
PCD3.A460
PCD3.W340
PCD7.R562
PCD7.L200
PCD3.A410
DCU305R3 1
PSTX142-600-70 1
FX3-MPL100011 SICK 1pcs
2094-BMP5-S 面价 21913 1个
6AU1445-2AD00-0AA0 1
VFD9A0MS43ANSAA 1
VFD13AMS43ANSAA 1
1756-M08SE 面价45120 1个
2094-BM01-S 1 面价25584
2094-BM02-S 1 面价30590
6ES7241-1CH30-1XB0 1
VFD037E43A 1 1
R901002090 VT-VSPA2-1-20/V0/T1
6AV6542-0CC10-0AX0 1
6AV6545-0DA10-0AX0 1
6FC5247-0AF22-0AA0 1
AZM25KHF9AA5 1
A860-0382-T124 1
6SL3120-1TE21-0AA3 1
JAMSC-B2902V 台 2
JAMSC-B2914V 台 1
JAMSC-B2507V 台 3
JAMSC-B2605AV DC24V输入模块 台 1
1771-NT2 面价 101450
MITSUBISHI A273-UH-CPU A273UHCPU
MEASUREX 09437703 09437703
MEASUREX 05373000 05373000
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MAXON SF-BRN-RSP SFBRNRSP
LEXIUM MHDA1198N00 MHDA1198N00
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JOSLYN CLARK VC31U03415-76 VC31U0341576
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ITE SIEMENS LMXD63B700 LMXD63B700
ISSC 9010-036 9010036
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INDRAMAT TDM-1.2-50-300-W1-115 TDM1250300W1115
INDRAMAT TDM1.2-50-300-W1 TDM1250300W1
INDRAMAT TDM1.2-050-300-W1-000 TDM12050300W1000
INDRAMAT MDD-112D-N-030-N2M-130PB2 MDD112DN030N2M13
INDRAMAT MDD093C-N-040-N2M-110GB0 MDD093CN040N2M11
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INDRAMAT KDS-1.3-100-300-W1/S104 KDS13100300W1S10
INDRAMAT KDS1.1-100-300-W1-220 KDS11100300W1220
INDRAMAT DSC3.1-150-115 DSC31150115
IMAJE ENM20332 ENM20332
HORIBA FIA-23A FIA23A
HONEYWELL FF-SEDGE6G2-1 FFSEDGE6G21
HONEYWELL 51400855-100 51400855100
GIDDINGS & LEWIS M.1018.3035 M10183035
GIDDINGS & LEWIS 502-03963-60 5020396360
GETTYS M122-B3BA-900F M122B3BA900F
GETTYS 110-232 110232
GENERAL ELECTRIC SPM-0-0 SPM00
GENERAL ELECTRIC 125D4413G3 125D4413G3
GENERAL ELECTRIC 125D4325G2 125D4325G2
GENERAL ELECTRIC 125D3644G2 125D3644G2
GE FANUC IC3606SPCC1H IC3606SPCC1H
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FOXBORO D0148MP D0148MP
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FANUC A20B-0007-0010 A20B00070010
FANUC A20B-0005-0711 A20B00050711
FANUC A16B-0190-0170 A16B01900170
FANUC A06B-6059-H208 A06B6059H208
FANUC A06B6059C212 A06B6059C212
FANUC A06B-6058-H007 A06B6058H007
FANUC A06B-6050-H004 A06B6050H004
FANUC A06B-6050-H002 A06B6050H002
FANUC A06B-1003-B100 A06B1003B100
FANUC A06B-0651-B011 A06B0651B011
FANUC A06B-0651-B005 A06B0651B005
FANUC A06B-0502-B751 A06B0502B751
FANUC A06B-0368-B231 A06B0368B231
EG&G 15-1 151
DOLAN JENNER SS7B481MDO SS7B481MDO
DOHRMANN 14-7045-000 147045000
CUTLER HAMMER SV9015AC-5M0B00 SV9015AC5M0B00
CUTLER HAMMER P3BDK3400GN P3BDK3400GN
CUTLER HAMMER NS360900A NS360900A
CUTLER HAMMER DH363UWK316 DH363UWK316
CUTLER HAMMER 92-01815-03 920181503
CUTLER HAMMER 92-00420-04 920042004
CONTROL TECHNIQUES MGE-4120-CONS-0000 MGE4120CONS0000
CONTROL TECHNIQUES FX-6120 FX6120
COMPUMOTOR MPM1902FRMM-963 MPM1902FRMM963
COGNEX IS5100-10 IS510010
COGNEX 800-5855-1B 80058551B
CISCO UCS-IOM-2208XP UCSIOM2208XP
BARDAC PLX15/36 PLX1536
BARDAC PLX115/270 PLX115270
BALDOR ZD18H440-EO-D ZD18H440EOD
BALDOR MB7-160-AB MB7160AB
BALDOR ID15H450-EO ID15H450EO
ASEA BROWN BOVERI R58113972 R58113972
ASEA BROWN BOVERI OETL-NF1600SW OETLNF1600SW
ASEA BROWN BOVERI 57771224 57771224
ASEA BROWN BOVERI 57520001-EV/9 57520001EV9
ASEA BROWN BOVERI 57310001-CX/5 57310001CX5
ASEA BROWN BOVERI 57310001-CX 57310001CX
ASEA BROWN BOVERI 3BSE005831R1 3BSE005831R1
ANN ARBOR 01940130 01940130
AMS CONTROLS MP304CL MP304CL
ALLEN BRADLEY SP-502979 SP502979
ALLEN BRADLEY MPL-B560F-MK24AA MPLB560FMK24AA
ALLEN BRADLEY 6500-PS7DSP 6500PS7DSP
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ALLEN BRADLEY 6153-NHBEFICBCDZ 6153NHBEFICBCDZ
ALLEN BRADLEY 570-DOB-47 570DOB47
ALLEN BRADLEY 505-EOD-23 505EOD23
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ALLEN BRADLEY 1336VT-B050-EAS-FA2-L1 1336VTB050EASFA2
ALLEN BRADLEY 1336S-B030-AN-EN5 1336SB030ANEN5
ALLEN BRADLEY 1336S-B015-AA-EN-HA2-L6 1336SB015AAENHA3
ALLEN BRADLEY 1336S-B015-AA-EN-HA2-L5 1336SB015AAENHA2
ALLEN BRADLEY 1336-C010-EAD-FA2 1336C010EADFA2
ALLEN BRADLEY 1336-BDB-SP20D 1336BDBSP20D
ALLEN BRADLEY 1336-B030-EAF-S1 1336B030EAFS1
ALLEN BRADLEY 1336-B007-EAD-S1 1336B007EADS1
ALLEN BRADLEY 1326AB-C4C-11 1326ABC4C11
ALLEN BRADLEY 1326AB-C4B-11 1326ABC4B11
ALLEN BRADLEY 1326-ABC2F-11 1326ABC2F11
ALLEN BRADLEY 1326AB-C2E-11-K7 1326ABC2E11K7
ALLEN BRADLEY 1326AB-B410G-21-K4 1326ABB410G21K4
ALLEN BRADLEY 1326AB-B2E11A5 1326ABB2E11A5
ALLEN BRADLEY 1300-GTWY 1300GTWY
ACCURAY 061589-002 061589002