正确选用控制元件的品种、规格是提高元件使用可靠性的关键。为此必须深入确切地了解和分析机床对电气控制系统的要求和系统对控制元件的要求。并且收集和消化控制元件制造厂提供的技术材料,如果这些资料不能满足选用的要求时,机床制造厂可按实际使用的条件对控制元件进行试验以确定是否合用。由于选用不当影响可靠性的例子有:忽视输入或输出的机械参数,例如选电磁铁时未考虑所拖负载的力――行程特性,选限位开关时未考虑撞块速度;选接触器时未考虑点动、反接制动的工作方式;选继电器时未考虑能做到可靠接触的额定工作电压和额定最小工作电流;选短路保护电器(包括熔断器)时未考虑对接触器等触头的保护;选控制变压器时未考虑漏阻抗在电磁系统起动电流情况下的压降等。
Westinghouse A201K1BA Size 1 120 V Coil Contactor
ABB S201-K5 Circuit Breaker 5 Amp 400V ! NEW !
From Canada
WESTINGHOUSE MOTOR CONTROL CAT#A201K5CAZ1 SIZE 5 3PH 600V 300A *FREE SHIPPING*
ABB S201-C10 Circuit Breaker 10 Amp 277V ! WOW !
From Canada
Shimaden SR24 SR24-1Y-0090 SR241Y0090 Controller
From Philippines
0008 DAMPFÖL & REINIGUNGSMITTEL SR24 SR 24 SR-24 200ccm Grundpreis 3,77€/100ml
From Germany
0185 DAMPFÖL & REINIGUNGSMITTEL SR24 SR 24 SR-24 100ccm Grundpreis 4,99 €/100ml
From Germany
Thomson SR-24 SR24 Shaft Support Rail
BELIMO TFB24-SR Spring Return Damper Actuator 24V 18IN/LB
Belimo TR24-SR-T US Actuator & Valve B211B+TR24-SR-T US B211B1+TR24-SR-T US
Belimo TR24-SR US Actuator B208+TR24-SR US B208S1
BELIMO SM24A-SR 24V ac/dc 20Nm Actuator
From United Kingdom
Belimo TR24-SR US Actuator B209+TR24-SR US B209S1
Belimo TR24-SR US Actuator B207+TR24-SR US B207S1
Mitsubishi AC Servo Motor HC-UFS43 400W (free shipping)
From Korea, South
NEW! MITSUBISHI Melservo HC-MFS43B-K 400W AC Servo Motor
Mitsubishi HC-KFS43K Servo Motor - Excellent Condition
Mitsubishi MR-J2S-40B & HC-KFS43K←AC Servo Drive& Motor 400W (free shipping)
From Korea, South
MITSUBISHI AC SERVO MOTOR HC-KFS43K
From Canada
MITSUBISHI * MR-J2S-40B & HC-KFS43K * AC Servo Drive & Motor 400W KEY Set #a17
From Korea, South
Mitsubishi HC-KF43K-S3 AC Servo Motor Free Ship
From Hong Kong
MITSUBISHI / AC SERVO MOTOR / HC-UFS43
From Korea, South
MITSUBISHI MR-J2S-40B 400W SERVO DRIVER, MOTOR HC-UFS43 TESTED/EXCELLENT WORKING
From Korea, South
New Mitsubishi HC-KFS43K
From China