Transcription of Hydraulic Proportional Closed Loop System Design
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Hydraulic Proportional and Closed Loop System Design1 Neal Hanson | 3/18/2011 | Product Management | Bosch Rexroth AG 2010. All rights reserved, also regarding any disposal, exploitation, reproduction, editing, distribution, as well as in the event of applications for industrial property Hanson Product Manager Industrial Valves and ElectrohydraulicsElectrohydraulicsConten ts1. Electrohydraulic Principles2. Proportional Valve Spools Nominal Flows Pressure Drops Power Limits Performance Terms4. Servo Valves Principles Features5. Amplifiers Types Optimizing Systems2 Neal Hanson | 3/18/2011 | Product Management | Bosch Rexroth AG 2010. All rights reserved, also regarding any disposal, exploitation, reproduction, editing, distribution, as well as in the event of applications for industrial property rights.
Proportionals Solenoid force opposed by spring force = rate x displacement Spool position is constant, when forces are balanced Input (coil current) is directly proportional to output force
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