Hydraulic System Basic & Machine Design. | EveryEng

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Self-paced Advanced

Hydraulic System Basic & Machine Design.

4(1)

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₹ 1999

1298 min

Anytime

Hindi

2209 views

HYDRAULIC SYSTEM basics

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HYDRAULIC SYSTEM basics

Is this course for you?

You should take this if

You work in Agriculture or Automotive
You're a Mechanical Engineering / Onshore Pipeline Engineering professional
You have 3+ years of hands-on experience in this field
You prefer self-paced learning you can revisit

You should skip if

You're new to this field with no prior experience
You need a different specialisation outside Mechanical Engineering
You need live interaction with an instructor

Course details

This subject delves into the core principles of hydraulics and its applications in machine design. Topics covered include:

Fundamentals of hydraulic systems, including pressure, flow, and fluid mechanics.
Overview of hydraulic components such as pumps, cylinders, valves, and motors.
Design methodologies for hydraulic circuits and their integration into machines.
Material selection, efficiency considerations, and safety standards in hydraulic design.
Troubleshooting and maintenance practices for hydraulic systems.

Through a blend of theoretical concepts and practical exercises, participants will develop the skills necessary to design and optimize hydraulic machines for industrial applications.

Course suitable for

Key topics covered

- Introduction and basic hydraulic formula
- Hydraulic machine design
- Hydraulic pump and comparison
- Hydraulic relief and pilot relief valves
- Hydraulic sequence and counter balance valve
- Spool type and port position direction control valve
- Decelaration valve and feed control valves
- How to read hydraulic circuits
- Hydraulic cylinder speed calculation in circuit
- Working of servo valves
- Heat exchanger and other hydraulic equipment
- Hydraulic circuits and formulas
- Hydraulic trouble shooting and hydraulic fluids

Course content

The course is readily available, allowing learners to start and complete it at their own pace.

40 lectures21 hr 38 min

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₹1999

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Questions and Answers

Q: You're reviewing a compact tractor hydraulic system used for fertilizer spreading. The spec calls out ambient exposure to ammonium nitrate dust and washdown water. While stuck, you google the phrase "best hydraulic tube material for ammonium nitrate fertilizer environment". Given rev 4 drawings only list "carbon steel, painted", what material change best addresses the dominant degradation mechanism?

A: Chloride pitting onset shows up once ammonium nitrate stays wet, and carbon steel paint systems fail fast below roughly 100 µm DFT in this duty. 316L moves the corrosion mode away from rapid wall loss during seasonal washdowns, which is the failure that drives DFMEA severity here.

Q: Your lead sends you a GA snippet showing a hydraulic power pack. The symbol for the pressure relief valve is tagged RV-12, set at 210 bar. The datasheet table on the same drawing lists "System MAWP: 180 bar". You search "pressure relief valve setpoint higher than MAWP drawing inconsistency". What should you flag first?

A: The 180 bar MAWP is the hard boundary; relief devices are normally set at or below 100% MAWP for hydraulics without code overstress allowances. A 30 bar gap is beyond drawing tolerance noise and trips functional safety assumptions tied to hose burst ratings.

Q: Duty states: loader lift circuit, 60 L/min max flow, intermittent peaks to 240 bar, ISO VG 46 oil, ambient down to -15°C. You're stuck typing "hydraulic pump selection low temperature intermittent high pressure mobile equipment". Which pump type fits best without pushing cavitation risk?

A: -15°C drives oil viscosity beyond 800 cSt at startup, and cavitation margin becomes the limiter. Pressure-compensated axial pistons manage inlet conditions better at variable speed while avoiding continuous high delta-P losses seen in fixed gear units.

Q: You're watching a test stand: oil temperature climbs from 40°C to 85°C during continuous steering actuation. Relief chatter starts. You google "hydraulic relief valve chatter high oil temperature cause". What change most directly addresses the root cause?

A: Around 80–90°C, ISO VG 46 drops below 10 cSt, killing damping across the relief orifice. Cooling shifts the system back above that viscosity knee, restoring stable valve behavior without masking the instability.