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上海祥樹是國(guó)內(nèi)出色的工業(yè)控制設(shè)備供應(yīng)商,是極少數(shù)全專業(yè),全產(chǎn)業(yè)鏈覆蓋的工控服務(wù)企業(yè),是該領(lǐng)域的先行者。經(jīng)過全體員工近二十年來的不懈努力,在中國(guó)進(jìn)出口貿(mào)易行業(yè)積累了豐富經(jīng)驗(yàn)。業(yè)務(wù)包含:編碼器、傳感器、控制器 、伺服閥、油壓閥、電磁閥、潤(rùn)滑泵、柱塞泵、真空泵、電機(jī)、減速機(jī)、風(fēng)機(jī)、起重機(jī)、儀器、儀表、檢測(cè)設(shè)備、夾具、卡盤、電纜、五金工具、接頭、模塊、開關(guān)、變送器、離合器、聯(lián)軸器、焊接設(shè)備、焊接系統(tǒng)、焊機(jī)備件等。公司與國(guó)際著名的機(jī)電行業(yè)品牌BEDIA、TWK、MTS、HYDAC、MASTERK、WEBER、RADIO-ENERGIE、LENORD BAUER合作。產(chǎn)品被廣泛應(yīng)用于汽車、港口、電力、石化、礦山、鋼鐵、冶金、橡膠、輪胎、造紙、印刷及機(jī)械等眾多領(lǐng)域。更多品牌、型號(hào)請(qǐng)來電詳詢~
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如需詢價(jià),煩請(qǐng)告知如下信息:
所需產(chǎn)品品牌+型號(hào)+數(shù)量+貴司名稱+聯(lián)系方法,我們將盡快給您提供報(bào)價(jià)!
本公司專業(yè)采購德國(guó)工控產(chǎn)品、源頭供應(yīng)歐洲工控備件
工作時(shí)間請(qǐng)聯(lián)系詳詢, 上海祥樹品牌代理 王工竭誠(chéng)為您服務(wù)!更多品牌、型號(hào)請(qǐng)來電詳詢~
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1、總部位于德國(guó)愛德工業(yè)科技有限公司(Eide Tech GmbH)
2、家詢價(jià)報(bào)價(jià),享受德國(guó)本國(guó)企業(yè)的價(jià)格折扣,價(jià)格在國(guó)內(nèi)市場(chǎng)上更具優(yōu)勢(shì)!
3、德國(guó)公司集中從相應(yīng)品牌廠家采購,每周日從德國(guó)總部發(fā)貨!
4、只要是德國(guó)及歐盟國(guó)家的產(chǎn)品,我們可以為您詢價(jià)并采購
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NORGREN
優(yōu)質(zhì)
9711000
E+H
優(yōu)質(zhì)
FTL260-0029
STUBBE
優(yōu)質(zhì)
DHV 712-R 120664
STUBBE
優(yōu)質(zhì)
DHV 712-R 120661
LENZE
優(yōu)質(zhì)
MCA 13134-S20B0-B19N-KK5F19N-ROSU Nr:15699721
PARKER
優(yōu)質(zhì)
VA15-HB34
STUBBE
優(yōu)質(zhì)
MV310-NC DN65 PN10
JUMO
優(yōu)質(zhì)
703042/181-440-23/000
AIRTAC
優(yōu)質(zhì)
ACJ2020 80-G-Q
MOOG
優(yōu)質(zhì)
G122-202A001
MTS
優(yōu)質(zhì)
RHM0330MD63IP102 工作電壓:±15VDC~24VDC 輸出方式:4~20mA 測(cè)量范圍:330mm
DOLD
優(yōu)質(zhì)
LG5925.48/61 AC/DC24
REXROTH
優(yōu)質(zhì)
R900024794 AB32-10/1D400
LEONARD
優(yōu)質(zhì)
Cross Disk Coupling KKSV_20
DSTI
優(yōu)質(zhì)
DSTI-221-EST18C
MTS
優(yōu)質(zhì)
RHS0500MK101S3B6105
MTS
優(yōu)質(zhì)
RHS0880MK101S3B6105
MTS
優(yōu)質(zhì)
RHM0455MP03AS2G6100(15米引線)
HYDAC
優(yōu)質(zhì)
KHNVS-RP3\4-2233-12-X
HYDAC
優(yōu)質(zhì)
0035D0200N
HYDAC
優(yōu)質(zhì)
0280D005BH4HC
VOSS
優(yōu)質(zhì)
KDS 100-1-1-2
SCHMERSAL
優(yōu)質(zhì)
IFL15-300L-10TP\10-30VDC
ENCHNER
優(yōu)質(zhì)
TZ1LE024MVAB-R ID.-NR.:089434
MTS
優(yōu)質(zhì)
RHM0330MD63IP102
ENGEL
優(yōu)質(zhì)
GNM8070/4-B12.3 24V 3000min?1 500W 27/105A S1 IP54 Haltebremse 24V 5NM Ausf. 24636/3
KOLLMORGEN
優(yōu)質(zhì)
AKM43E - BKC2R -00
REXROTH
優(yōu)質(zhì)
MKD071B-061-GG0-KN R911260575
VOSS
優(yōu)質(zhì)
KDS 100-1-1-2
TECORA
優(yōu)質(zhì)
CATARC 10-R-MP
MTS
優(yōu)質(zhì)
GHM0900MR031A0
MTS
優(yōu)質(zhì)
RHM0700MP031A01
MTS
優(yōu)質(zhì)
RHM1150MP031A01
MTS
優(yōu)質(zhì)
RHM0350MP031A01
MTS
優(yōu)質(zhì)
RHS1200ME151S1G6100
MTS
優(yōu)質(zhì)
RHM0800MP031A01
MTS
優(yōu)質(zhì)
RHM0255MD531P102
NORD
優(yōu)質(zhì)
NORD SK1282AFSH-63L/4 NO:200976917-100
NORD
優(yōu)質(zhì)
SK 63L/4
SIBRE
優(yōu)質(zhì)
TE630-ED201/6
HYDAC
優(yōu)質(zhì)
ZBM300
HYDAC
優(yōu)質(zhì)
0005L010P
KUBLER
優(yōu)質(zhì)
8.3620.544E.0512
MAC
優(yōu)質(zhì)
161B-501JB
MTS
優(yōu)質(zhì)
RHS0900MP101S2B6100
MTS
優(yōu)質(zhì)
RHM1200MP101S2B6100
MTS
優(yōu)質(zhì)
RHM0650MD531P102
MTS
優(yōu)質(zhì)
RHM2700MD701S1G2100
MTS
優(yōu)質(zhì)
RHM2300MD701S1G2100
MTS
優(yōu)質(zhì)
RHM1060MR021A01傳感器
MTS
優(yōu)質(zhì)
RHS1350MP101S2B6100
MTS
優(yōu)質(zhì)
RHM0770MD701S1G2100
KNOLL
優(yōu)質(zhì)
KTS40-96-T5-KB
HYDAC
優(yōu)質(zhì)
EDS345-1-250-Y00
MTS
優(yōu)質(zhì)
RHS0430MK101S2B6100
KNOLL
優(yōu)質(zhì)
TSK40-11/30806
MTS
優(yōu)質(zhì)
RHS0350MK101S2B6100
HYDAC
優(yōu)質(zhì)
0660D010BN3HC
SCHNEEBERGER
優(yōu)質(zhì)
AMSA-3B
EBRO
優(yōu)質(zhì)
ED8.1 SYD 4535671A096202
Danaher Motion
優(yōu)質(zhì)
SERVOSTARTM603 SN:S60300
EBRO
優(yōu)質(zhì)
EB6.1 SYD ITEM NO:4535670
SCHUNK
優(yōu)質(zhì)
0361400 SRU-PLUS 20-W-90-3
ARIS
優(yōu)質(zhì)
K3006 0739-67851-01001 +Hand wheel
GUTEKUNST
優(yōu)質(zhì)
D-103
G.BEE
優(yōu)質(zhì)
Type:DAD63.1 - 71691 Freiberg a.N Max:10bar -20°/+90o
BARCONTROL
優(yōu)質(zhì)
PDS-1-008-M-2-1 0.5-8bar
HYDAC
優(yōu)質(zhì)
0950 R 010 BN3HC
ITT NEO-DYN
優(yōu)質(zhì)
130P11C3MR
GSR
優(yōu)質(zhì)
A632308047505XX 063.001210
GSR
優(yōu)質(zhì)
G01214654 A632311017 105XX
MTS
優(yōu)質(zhì)
RHM1180MP101S1G4100
L+B
優(yōu)質(zhì)
GEL2444KZRT3K030
NEXON
優(yōu)質(zhì)
PN3010/B400P 20G14MS 0-400Bar 12-30VDC
R+W
優(yōu)質(zhì)
MK1/20/31/8/16
GOSSEN
優(yōu)質(zhì)
SINEAX P530 ORD:810/460096/040/1
AVTRON
優(yōu)質(zhì)
HS35AY1SWU0AA903ZA
MTS
優(yōu)質(zhì)
RHM1640PD301MP301S1G4100
VICKERS
優(yōu)質(zhì)
PVQ20A2RSE1S20C21D12
BAUMER
優(yōu)質(zhì)
LBFS-21111.0
BAUMER
優(yōu)質(zhì)
PBMN 24B10RA1 1403201010
PMA
優(yōu)質(zhì)
NVNV-M207-10
PMA
優(yōu)質(zhì)
NVNZ-M207S/P5
PMA
優(yōu)質(zhì)
NVNZ-M506S/P3-L(32-36)
PMA
優(yōu)質(zhì)
NVNZ-M508S/P3-L(36-40)
ADVANCED
優(yōu)質(zhì)
50A20
DAKOTA
優(yōu)質(zhì)
MX-3
ELCIS
優(yōu)質(zhì)
A/958HP12-12-10-B-DP-W-3PG
HYDAC
優(yōu)質(zhì)
ZBE06
HYDAC
優(yōu)質(zhì)
EDS3346-3-0010-000-F1
HYDAC
優(yōu)質(zhì)
EDS3346-3-0010-000-F1
HYDAC
優(yōu)質(zhì)
0280D010BN4HC/-V
HYDAC
優(yōu)質(zhì)
EDS3346-2-0010-000-F1
HYDAC
優(yōu)質(zhì)
0500R010BN3HC
HYDAC
優(yōu)質(zhì)
0110D005BH4HC
IFM
優(yōu)質(zhì)
OU5034
KUBLER
優(yōu)質(zhì)
8.5820.0H40.1024.5093.0015
LEINE+LINDE
優(yōu)質(zhì)
861007455-2048
MOOG
優(yōu)質(zhì)
D661-4444C/G60JOAA6VSX2HA
MOOG
優(yōu)質(zhì)
D661-4651
MTS
優(yōu)質(zhì)
RPM0200MR021A01
MTS
優(yōu)質(zhì)
RHM1010MP101S1G2100 1.0J
MTS
優(yōu)質(zhì)
RHM0670MR031A01
MTS
優(yōu)質(zhì)
ERM0100MD601V0
TURCK
優(yōu)質(zhì)
FLDP-IM16-0001
TURCK
優(yōu)質(zhì)
FLDP-IOM84-0001
TWK
優(yōu)質(zhì)
CLS65-4096G4096K2G04
WEBER
優(yōu)質(zhì)
10043v hsll s100
TWK
優(yōu)質(zhì)
IW254/40-025-KFN-KHN s/n:175166配插頭
HYDAC
優(yōu)質(zhì)
HDA3840-A-350-124
ELEKTROR
優(yōu)質(zhì)
SD 6 商品代碼 012004
ELEKTROR
優(yōu)質(zhì)
SD 6 商品代碼 012004
MP FILTRI
優(yōu)質(zhì)
MPM 030 G1 M90
MOOG
優(yōu)質(zhì)
D061-8331 J15HOBA4HB1
SICK
優(yōu)質(zhì)
ATM60-A4N0-K01
KFG
優(yōu)質(zhì)
ASBV-GN1-VU-L65-SVK27A-Ex
EUCHNER
優(yōu)質(zhì)
N01R550-M
E+H
優(yōu)質(zhì)
CPM253-MR0005
PILZ
優(yōu)質(zhì)
777100 PNOZ X1P 24 VDC 3n/o 1n/c
SIT
優(yōu)質(zhì)
241.01.00001 530630
HYDAC
優(yōu)質(zhì)
EDS3346-2-0010-000-F1
HYDAC
優(yōu)質(zhì)
EDS3346-2-0010-000-F1
E+L
優(yōu)質(zhì)
RT4019 Nr.205728
STROMAG AG
優(yōu)質(zhì)
29-HGE-590-FV70-A1L
Southwest Microwave
優(yōu)質(zhì)
MS16
HYDAC
優(yōu)質(zhì)
0850 R010 BN4HC
HEIDENHAIN
優(yōu)質(zhì)
375136-01
HYDAC
優(yōu)質(zhì)
HDA3845-A-400-000
PHOENIX
優(yōu)質(zhì)
TCP 10/DC32V - 0700010
PHOENIX
優(yōu)質(zhì)
SAC-5P-MS/ 1.0-920/FS SCO - 1518274
PHOENIX
優(yōu)質(zhì)
SAC-5P-MS/ 2.0-920/FS SCO - 1518287
PHOENIX
優(yōu)質(zhì)
SAC-5P-MS/ 5.0-920/FS SCO - 1518290
PHOENIX
優(yōu)質(zhì)
SAC-5P-MS/10.0-920/FS SCO - 1518300
PHOENIX
優(yōu)質(zhì)
SAC-5P-M12MS CAN TR - 1507816
PHOENIX
優(yōu)質(zhì)
SACC-M12MS-5CON-PG 7-SH - 1693416
PHOENIX
優(yōu)質(zhì)
SACC-M12FS-5CON-PG 7-SH - 1694305
PHOENIX
優(yōu)質(zhì)
SAC-5P-M12T/2XM12 VP - 1541186
PHOENIX
優(yōu)質(zhì)
SAC-3P-M12MR/1.5-PUR/A-1L-Z - 1439353
PHOENIX
優(yōu)質(zhì)
SAC-3P-M12MR/1.5-PUR - 1668137
PHOENIX
優(yōu)質(zhì)
SAC-3P-M12MR/5.0-PUR - 1668153
PHOENIX
優(yōu)質(zhì)
SACB-8/ 8-L- 5.0PUR SCO - 1517165
PHOENIX
優(yōu)質(zhì)
SACB-8/ 8-L-10.0PUR SCO - 1517178
PHOENIX
優(yōu)質(zhì)
SACB-C-H180 8/16 SCO - 1516713
PHOENIX
優(yōu)質(zhì)
SACB-4/ 4-L-C GG SCO - 1516726
PHOENIX
優(yōu)質(zhì)
SACB-8/ 8-L-C GG SCO - 1516768
PHOENIX
優(yōu)質(zhì)
SACB-6/12-L-C GG SCO - 1516755
KUBLER
優(yōu)質(zhì)
8.5850.1242.G121
MOOG
優(yōu)質(zhì)
D634-341C
PHOENIX
優(yōu)質(zhì)
TCP 15/DC32V - 0700015
PHOENIX
優(yōu)質(zhì)
TCP 20/DC32V - 0700020
PINTER
優(yōu)質(zhì)
MANOCOMB-IP65/2KA 0-100bar
MOOG
優(yōu)質(zhì)
D791-4045
MOOG
優(yōu)質(zhì)
D633-460B
PINTER
優(yōu)質(zhì)
MANOCOMB-IP65/2KA 0-16bar
PINTER
優(yōu)質(zhì)
MANOCOMB-IP65/2KA 0-10bar
PMA
優(yōu)質(zhì)
TB45-110-00000-000
TR
優(yōu)質(zhì)
CEW65M-01817
TURBO
優(yōu)質(zhì)
Pre-Cleaner Turbo 2, II-46-4.5
TURBO
優(yōu)質(zhì)
Pre-Cleaner Turbo 2, II-68-6
TURBO
優(yōu)質(zhì)
Pre-Cleaner Turbo 2, II-68-7
BESTA
優(yōu)質(zhì)
A-01-041
KUBLER
優(yōu)質(zhì)
8.5020.D351.2048
GENIE
優(yōu)質(zhì)
56820 Z452505-24399(車的序列號(hào))
SMW
優(yōu)質(zhì)
ID:026115
MTS
優(yōu)質(zhì)
RHM0150MP021S2G1100
JAHNS
優(yōu)質(zhì)
MTO-2-8-AVR
HONSBERG
優(yōu)質(zhì)
MR1K-020GM004-104-SR
SCHUNK
優(yōu)質(zhì)
PSH 22-1 302122
CELLA
優(yōu)質(zhì)
MODEL:MAXXDN,P.MAX:0.2BAR,PROOF PRESS:6BAR,RATING:15A-220VAC/2A-24VDC
SOMMER
優(yōu)質(zhì)
GH1250-2-0/03
MTS
優(yōu)質(zhì)
RHM0250MT051S1G1100
RITTAL
優(yōu)質(zhì)
SK3298100
LEM
優(yōu)質(zhì)
LV200-AW/2/1600
BAUER
優(yōu)質(zhì)
BG06-11/D07LA4-TOF/MG
MOOG
優(yōu)質(zhì)
G761-3001B
VENTUR
優(yōu)質(zhì)
SC20C-150T (1.5KW)
HAFFMANS
優(yōu)質(zhì)
113.005
MOOG
優(yōu)質(zhì)
D661-4627A
HYDAC
優(yōu)質(zhì)
0660R005ON
RITTAL
優(yōu)質(zhì)
SK3203100
FUCHS
優(yōu)質(zhì)
VTE9371 (230V 1200W)
SCHLICK
優(yōu)質(zhì)
941-FORM7 1.4404 Φ1.0MM
SKF
優(yōu)質(zhì)
750-160-0100(AGGR.RA 1M00/1/0001AF07)
MOOG
優(yōu)質(zhì)
G631-3008B
HYFRA
優(yōu)質(zhì)
SIGMA 56-S
ITALVIBRAS
優(yōu)質(zhì)
MVSI 13/1510-S02 3.6KW 10.4/6.0A 1500RPM
HYFRA
優(yōu)質(zhì)
sigma 13-s
HB-LASER
優(yōu)質(zhì)
VUL M18GF005 532NM 20MW
HYDAC
優(yōu)質(zhì)
1300R010ON 用于 RFLD BN/HC 5200 CAV 10 D1.0/-L24
REITZ
優(yōu)質(zhì)
MXE063-002530-00
E+H
優(yōu)質(zhì)
FTL 360-RGR2A4R
SLACK+PARR
優(yōu)質(zhì)
FDR8/9 S3A 50131 S10245
SLACK+PARR
優(yōu)質(zhì)
FDR6/9 S3A
SLACK+PARR
優(yōu)質(zhì)
FDR4/9 S3A
KUEBLER
優(yōu)質(zhì)
8.0000.7000.0031
KUEBLER
優(yōu)質(zhì)
D8.6A1.0125.M322.G222.Z01
COMMERCIAL
優(yōu)質(zhì)
M50A897BEEE10-43
MARTEL
優(yōu)質(zhì)
BETA321 -100KPa~25MPa
KOBOLD
優(yōu)質(zhì)
KSM-1005MP15R0
RELPOL
優(yōu)質(zhì)
CRNI09-30-01-A230
RELPOL
優(yōu)質(zhì)
CRNI16-30-00-A230
FRIZLEN
優(yōu)質(zhì)
ART:10611 RK320M1-220 G17
FRIZLEN
優(yōu)質(zhì)
ART:10611 RK320M1-220 G17
RDP
優(yōu)質(zhì)
ACW500A(MB01)
RDP
優(yōu)質(zhì)
DR7AC
KROM
優(yōu)質(zhì)
BCU 460-3/2W1GBD3S2B1/2/Z0001 84632263 E.1107-006237 P00010 FW15AA CE-0063BO1064
VISOLUX
優(yōu)質(zhì)
VT18-8-H-120-M/40a/65b/118/128
NORELEM
優(yōu)質(zhì)
03089-5004
NORELEM
優(yōu)質(zhì)
03090-2206
NORELEM
優(yōu)質(zhì)
03090-1206
NORELEM
優(yōu)質(zhì)
03090-3206
ADAMCZEWSKI
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AD-STV 810 GS
DOLD
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BN3081.63AC 50-60HZ AC230V
BAUMER
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GI355 070C126
PIXSYS
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ATR243-31ABC
BECKHOFF
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EK1100
BECKHOFF
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EK1008
MERSEN
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ATQR 5A 600V
MERSEN
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ATQR 6A 600V
MERSEN
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ATQR 10A 600V
MERSEN
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ATQR 15A 600V
MERSEN
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9F60BHH001
NILOS
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RING 25 x 47 LSTO 4mm
THK
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RB-30040-UU
HERION
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2401112.4671.110.50
KUENLE
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KTE2W 100L4 H ICI F S1
ATLANTA
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29 20 155
ATLANTA
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24 22 530
SUN
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CXDA-XEN
UNIVERSAL
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EKM-510-T
MAHLE
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PI2203-58 RED+PIS3097-2+HC6
KTR
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PL160/01/04
KTR
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R19.14-A10
PENNY+GILES
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JC6000-XY-PRR-M-S-NL-N-STN-A00D
EUCHNER
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93859 NZ1VZ-2131E-MC1233
HYDAC
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SB330-20A1/112A9-330A蓄能器
HYDAC
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SAF20M12N330A-S13
MTS
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RHS1970MP151S2B6100
MTS
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RHM0220MD601C101221
MTS
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RHM0160MP021S1G8100
FOSECO
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訂貨號(hào):000001501
FOSECO
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000002052
SCHUNK
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0303311 PZN+80-1
FOSECO
優(yōu)質(zhì)
000001037
TWK
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CLS66-4096R4096M2H03
LAHTI PRECISION
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WBM-LCIF-A-1\WB950
MTS
優(yōu)質(zhì)
GHS1200MR102R01
MTS
優(yōu)質(zhì)
RHM0065MK021S1G8100
編碼器(encoder)是將信號(hào)(如比特流)或數(shù)據(jù)進(jìn)行編制、轉(zhuǎn)換為可用以通訊、傳輸和存儲(chǔ)的信號(hào)形式的設(shè)備。編碼器把角位移或直線位移轉(zhuǎn)換成電信號(hào),前者稱為碼盤,后者稱為碼尺。按照讀出方式編碼器可以分為接觸式和非接觸式兩種;按照工作原理編碼器可分為增量式和式兩類。增量式編碼器是將位移轉(zhuǎn)換成周期性的電信號(hào),再把這個(gè)電信號(hào)轉(zhuǎn)變成計(jì)數(shù)脈沖,用脈沖的個(gè)數(shù)表示位移的大小。式編碼器的每一個(gè)位置對(duì)應(yīng)一個(gè)確定的數(shù)字碼,因此它的示值只與測(cè)量的起始和終止位置有關(guān),而與測(cè)量的中間過程無關(guān)。
伺服閥主要是指電液伺服閥,它在接受電氣模擬信號(hào)后,相應(yīng)輸出調(diào)制的流量和壓力。它既是電液轉(zhuǎn)換元件,也是功率放大元件,它能夠?qū)⑿」β实奈⑷蹼姎廨斎胄盘?hào)轉(zhuǎn)換為大功率的液壓能(流量和壓力)輸出。在電液伺服系統(tǒng)中,它將電氣部分與液壓部分連接起來,實(shí)現(xiàn)電液信號(hào)的轉(zhuǎn)換與液壓放大。電液伺服閥是電液伺服系統(tǒng)控制的核心。
電機(jī)(英文:Electric machinery,俗稱“馬達(dá)”)是指依據(jù)電磁感應(yīng)定律實(shí)現(xiàn)電能轉(zhuǎn)換或傳遞的一種電磁裝置。電機(jī)在電路中是用字母M(舊標(biāo)準(zhǔn)用D)表示,它的主要作用是產(chǎn)生驅(qū)動(dòng)轉(zhuǎn)矩,作為用電器或各種機(jī)械的動(dòng)力源,發(fā)電機(jī)在電路中用字母G表示,它的主要作用是利用機(jī)械能轉(zhuǎn)化為電能。
柱塞泵是液壓系統(tǒng)的一個(gè)重要裝置。它依靠柱塞在缸體中往復(fù)運(yùn)動(dòng),使密封工作容腔的容積發(fā)生變化來實(shí)現(xiàn)吸油、壓油。柱塞泵具有額定壓力高、結(jié)構(gòu)緊湊、效率高和流量調(diào)節(jié)方便等優(yōu)點(diǎn)。柱塞泵被廣泛應(yīng)用于高壓、大流量和流量需要調(diào)節(jié)的場(chǎng)合,諸如液壓機(jī)、工程機(jī)械和船舶中。
變送器是從傳感器發(fā)展而來的,凡是能輸出標(biāo)準(zhǔn)信號(hào)的傳感器。標(biāo)準(zhǔn)信號(hào)是指物理量的形式和數(shù)量范圍都符合國(guó)際標(biāo)準(zhǔn)的信號(hào)。由于直流信號(hào)具有不受線路中電感、電容及負(fù)載性質(zhì)的影響,不存在相移問題等優(yōu)點(diǎn),所以國(guó)際電工委員會(huì)(IEC)將電流信號(hào) 4mA~20mA(DC)和電壓信號(hào) 1V~5V(DC)確定為過程控制系統(tǒng)中模擬信號(hào)的統(tǒng)一標(biāo)準(zhǔn)。