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Hydraulic Training Course

Basic Hydraulic Design

Course: BHD
Subject: Basic Hydraulic Design
Duration: 3 days
Location: Bosch Rexroth Head Office, St Neots


Aims
  • The BHD course takes a more mathematical approach to the theory covered in the MH or MH-s courses. After covering basic theory and operation of hydraulic components, the emphasis moves to circuit design and basic project work.
  • The course is intended for design and technical personnel who are involved with machine design and the specification of hydraulic components and systems.
  • Although this course is not intended to fully instruct the student in proportional technology it is inevitable that this subject is covered as this technology forms an integral part of modern hydraulic systems.
  • Participants attending this course should have a basic grounding in mathematics and physics.
Prerequisites
  • Attendance on either MH or MH-s course is the basic requirement for this course
Participants
  • Design and technical personnel.
Notes
  • Practical exercises form an important part of this course. These are carried out using our range of specially designed training rigs
  • Course participants are asked to bring current circuit diagrams to these sessions where time will be devoted to their explanation
Dates
Please contact us for available dates

Course content
Day One
Fundamental Principles:
  • Cylinders – relationship between valves
  • Cylinder size, pressure, area and effective force
  • Cylinder size, supply flow rate and velocity
Motors:
  • Motor displacement, pressure and shaft torque
  • Motor displacement, supply flow rate and shaft speed
  • Motor performance and effects of fluid viscosity
Loads to be moved:
  • Application of the laws of dynamics, with reference to
    • Mass and inertia, friction, gravity
    • Other external forces; direct and indirect loads
Pumps:
  • Displacement, shaft speed and flow rate
  • Flow rate, system pressure and fluid viscosity
  • Pressure difference, component flow area and flow rate
  • Fluid Viscosity, Renolds number, flow characteristics, recommended flow velocities
  • Pressure difference, flow rates, heat generation and temperature changes
Day two
  • Step by step to follow, relating to system design
  • Outline of common design faults
  • Preparing outline circuitry
Component selection to meet specification Actuators:
  • Cylinder to meet force, speed and application needs
  • Motors to meet torque, speed and application needs
  • Pressure – Time/flow diagrams and duty cycles
Pumps:
  • Sizing, power requirements and Q/P requirements
  • Circuitry relating to fixed and variable displacement pumps
Hydraulic valves:
  • Size selection, flow rates, pressure and configurations
Proportional control valves:
  • Overview of valve selection, sizing and application
Day three
  • Contamination control at the design stage
  • Health and performance monitoring when designing
  • Reservoir sizing and layout considerations
  • Design exercises and practical tasks
For any further questions please contact us

Download here the Training Course Manual


Back to Hydraulic Training Prospectus
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