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Engineering Pod

Do you want to learn about hydraulic system components in more detail? You want to know how do the various pumps and motors function? This is the right course for you.  After making my first course on Udemy Hydraulics 101 I decided to start working on a sequel which will be more detailed and which will go in depth into how do the components in hydraulic systems work. My first course was based on the basic principles, what is the hydraulic system made out of, how do we control the power that goes into a hydraulic system but in this course you will learn how does the pump actually pump the fluid, how does the motor take the fluid flow power and convert it to mechanical power and how we control the fluid with valves and other control components. The course is structured so every section is about a certain group of components, starting with pumps. On the end of each section, there is a quiz which will help you test your gained knowledge. In the first and last section there are 2 quizzes because the sections on hydraulic pumps and valves are long and have a lot of information in them.

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Do you want to learn about hydraulic system components in more detail? You want to know how do the various pumps and motors function? This is the right course for you.  After making my first course on Udemy Hydraulics 101 I decided to start working on a sequel which will be more detailed and which will go in depth into how do the components in hydraulic systems work. My first course was based on the basic principles, what is the hydraulic system made out of, how do we control the power that goes into a hydraulic system but in this course you will learn how does the pump actually pump the fluid, how does the motor take the fluid flow power and convert it to mechanical power and how we control the fluid with valves and other control components. The course is structured so every section is about a certain group of components, starting with pumps. On the end of each section, there is a quiz which will help you test your gained knowledge. In the first and last section there are 2 quizzes because the sections on hydraulic pumps and valves are long and have a lot of information in them.

The sections are:

  1. Positive displacement pumps - in which you will learn in depth how various types of hydraulic pumps work

  2. Parameters of positive displacement pumps - in which you will learn about the parameters of hydraulic pumps and how they are calculated.

  3. Hydraulic motors - in which you will learn in depth how various types of hydraulic motors work

  4. Parameters of hydraulic motors - in which you will learn about the parameters of hydraulic motors and how they are calculated.

  5. Hydraulic cylinders - in which you will learn about types of hydraulic cylinders, how they work in depth and how their parameters are calculated.

  6. Hydraulic circuits - in which you will learn about the ins and outs of an hydraulic circuits and how they operate.

  7. Hydraulic valves and control components - in which you will learn how are the hydraulic systems controlled and all of the valves that help us in controlling the system.

The course is long and it has a lot of information in it, it requires a lot of attention and in some lessons (like the ones we calculate the parameters of gear and axial pistons and motors) I recommend taking a pen and paper and following the mathematical steps I do.

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What's inside

Learning objectives

  • Know about the types of hydraulic pumps and how they work
  • Calculate the parameters of hydraulic pumps and motors
  • Know about the types of hydraulic motors and how they work
  • In depth knowledge on how hydraulic cylinders work and the types of hydraulic cylinders
  • Choosing the right parts and types for the hydraulic system
  • Learn about hydraulic pipelines and circuits
  • Know about controling the hydraulic system
  • Know about hydraulic valves

Syllabus

We are going to cover various types of positive displacement pumps in this section.

This is the introduction lesson for this section. In this section we will be learning about positive displacement pumps, the pumps that are used in hydraulic systems. We will cover in detail every type of pump that can be used in hydraulic systems. In the resource part you have a PDF called Hydraulics 101 which basically recapitulates all the important information from my first course that you will need in this course, I strongly recommend you to download it and to read it before starting this course if you don't have any prior knowledge.

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The first part of the axial piston pumps lessons. I decided to divide the lesson into two parts just because there is a lot of information.

Part 2 of the Axial piston pumps lesson. In this lesson we are going to cover Axial piston pumps with an adjustable swash plate and Axial piston pumps with a rotating nonadjustable swash plate

I strongly suggest you take your paper and pen out for this one and try to follow what I write, you will understand and memorize all of the stuff much more easily that way! 

They are heavy, require a lot of torque and in this lesson we will be looking at how they function in depth.

It is time to recapitulate what you learned about positive displacement pumps in the last 5 lessons! It is recommended that you re-watch the last 5 lessons if you don't pass the quiz.

One of the most important aspects of engineering - efficiency! 

One of the most used pumps in hydraulic systems. They are simple, cheap and have great characteristics. In this lesson we will be looking at how they work in general and in the next lesson we will be doing some mathematical sizing of these pumps.

Lesson on how rotary vane pumps work and all of the different types of rotary vane pumps that can be found in hydraulic systems.

Screw pumps have a very interesting working principle. They are not used as much in hydraulics but either way, I thought it would be great to know how they function.

Extra lesson. These pumps are not used in hydro-static systems but have a very interesting working principle so I thought of putting in this lesson just because it is interesting to know how these pumps operate.

The introduction lesson to the section on parameters of positive displacement pumps

One of the main specifications of a positive displacement pump - flow.

Quick lesson on pump effort (or pump head). I didn't want to correlate pump head with it so much because of the nature of positive displacement pumps and the nature of the fluid which they are pumping.

In this lesson we will be talking about the power parameters when it comes to pumps.

One of the things we want to prevent in our system - cavitation.

Characteristics and relationships between the parameters of positive displacement pumps.

Regulating the parameters.

In this lesson we will be learning about radial piston motors, the motors that can output the most torque and the motors that are used whenever we need a strong, powerful and durable unit.

For homework checkout the article that I posted in the resource part so you know what stator vanes are for in rotary vane motors! 

In this lesson we will be learning about gear motors. One of the most used units in hydraulics. They are cheap, reliable and easy to manufacture.

For your homework I want you to think about what influences torque when we are talking about axial piston motors. How much will the torque be if the angle of the swash plate is zero? What are the parameters that influence torque? 

In the end of the lesson I want you to think about the equation we wrote that is used to calculate the torque using the pressure, the projected radial area of the sides of the gear teeth and the distance from the pivot point. Think about all the parameters that influence torque in that equation. What would having a bigger gear diameter change for the torque of the motor? 

This is a quiz that is going to help you recapitulate the knowledge you gathered in the section 3 (Hydraulic motors) of the course.It is recommended that you re-watch the section if you don't pass the quiz.

A quick introduction lesson to go through the parameters which we will cover in this section.

In this lesson we will be taking a look at the flow parameter. When we say flow of a hydraulic motor we mean the flow that enters the hydraulic motor.

In this lesson we will be learning about the hydraulic motor power parameter. Power is very important when you are speculating your system. Here we are going to define a couple of different power parameters that we have when we talk about these energy converters.

In this lesson we will be talking about hydraulic motor torque.

In this lesson we will be learning about the efficiency of hydraulic motors.

Introduction lesson to get you into hydraulic cylinders before we discuss some more detailed info about them.

Be ready this is going to be a long lesson on various types of hydraulic cylinders. I didn't want to split it into smaller lessons because there isn't anything too mentally demanding in the lesson, just divisions and types of cylinders.

Detailed ins and outs of the hydraulic cylinder and all of its parts.

Short introduction lesson in which we only mention what are the work parameters of hydraulic cylinders which are going to be covered in the next lessons.

A short lesson covering the flow of the work fluid that enters the hydraulic cylinder.

May the force be with us on this one! This is the lesson where we learn about all of the different forces that occur. The effective force which we get from providing the pressure inside the cylinder is not the only force that acts on the cylinder! 

In this lesson we will be looking at some basic equations for effort, power and efficiency. We will cover what different power parameters mean and how do we differentiate them from one another.

Lesson on choosing the right parameters of the hydraulic cylinder. When we design the machine we have to make sure that the hydraulic cylinder meets all the conditions, in this lesson we will see what equations are used when finding the parameters which we need to choose the cylinder from the manufacturers catalog.

In this quiz you will test the knowledge you gained in this section, if you don't pass the quiz, I strongly suggest you go back and watch the whole section once more.

Quick introduction lesson for the new section in which we will talk about hydraulic circuits.

Learn the difference between open loop and closed loop hydraulic circuits. I took the liberty of taking this lesson from my other course, that is why the presentation theme is different.

Where does the hydraulic oil go when it finishes pushing the piston in the cylinder? Where do we pour in fresh hydraulic oil and where does the oil that our gear pump pumps come from? 

This is a longer lesson, it covers the various materials from which the hydraulic pipelines can be made of and it covers the types of fittings used in hydraulics.

Flexible circuit hoses are used a lot in hydraulic systems, in this lesson we will take a look at how they are made and how they are connected in the circuit.

Machines like agricultural tractors, excavators, loaders have a way of supplying auxiliary hydraulic systems with hydraulic power. Quick release coupling is a way of connecting those auxiliary systems (on interchangeable tools like agricultural tools, grabbers for excavators etc.) in this lesson we will learn how this coupling works.

In this lesson we will be learning about hydraulic accumulators, devices used in hydraulic circuits if we need a fast bump in flow and pressure, if we want to control the pulsations and etc.

Because this lesson is going to have a little bit of calculations and solving problems, I've decided to cut it into two parts so it isn't long and that you don't lose focus when you need it the most. I suggest not making bigger breaks from the course when doing these two lessons.

The second part of the hydraulic accumulator sizing lesson in which we do some calculations. I suggest you take out a pen and paper and follow the steps I do.

The quiz on hydraulic circuits. In this quiz you will check if you gathered all of the important knowledge from the section, if you didn't pass the quiz I suggest you go back and watch the section one more time.

This is the lesson which is the introduction to the world of hydraulic valves and components used to control the parameters of our hydraulic systems/machines.

This is an introduction lesson to directional control valves which are going to be covered in the next few lessons.

Lesson on mono-block and sectional directional control valves.

In this lesson we will cover the types of discrete valves and also we will talk about overlap inside of DCVs.

In this lesson we will be covering the various types of pressure control valves.

In this lesson we will be covering the various types of flow control valves.

The second quiz on valves and the last quiz in the course (for now). Congratulations on finishing the course! 

Congratulations on finishing the course! This is the end of the course for now, if the course turns out to have a lot of people interested in it I will add another section with some examples of circuits with control components.

Traffic lights

Read about what's good
what should give you pause
and possible dealbreakers
Provides in-depth knowledge of hydraulic components, which is essential for engineers and technicians working with hydraulic systems
Includes quizzes at the end of each section, which helps students test their knowledge and reinforce learning
Recommends reviewing 'Hydraulics 101' for those without prior knowledge, which helps beginners build a solid foundation
Covers parameters of hydraulic pumps and motors, which is crucial for sizing and selecting components in real-world applications
Requires pen and paper for mathematical steps, which may be a barrier for some students who prefer digital learning methods
Refers to an external PDF called 'Hydraulics 101', which may be inconvenient for some students who prefer all course materials to be integrated

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Reviews summary

Detailed hydraulic components study

This course, "Hydraulics 102 - Hydraulic components in depth", offers a comprehensive look into the function, parameters, and application of key hydraulic system components including positive displacement pumps, motors, cylinders, circuits, and valves. It covers theoretical principles, detailed working mechanisms, and methods for calculating component parameters. The course structure includes sections dedicated to each component type, often suggesting a pen-and-paper approach for following calculations. Quizzes are provided at the end of sections to test understanding. It is noted that the course builds upon prior knowledge, specifically recommending content from a preceding course, "Hydraulics 101".
Instructor suggests manual calculation practice.
"I recommend taking a pen and paper and following the mathematical steps I do."
"I strongly suggest you take your paper and pen out for this one"
"I suggest you take out a pen and paper and follow the steps I do."
Sections end with quizzes for testing.
"On the end of each section, there is a quiz which will help you test your gained knowledge."
"This is a quiz that is going to help you recapitulate the knowledge"
"if you don't pass the quiz, I strongly suggest you go back and watch the whole section"
Assumes some prior knowledge, provides resource.
"recapitulates all the important information from my first course that you will need in this course"
"strongly recommend you to download it and to read it before starting this course"
"if you don't have any prior knowledge."
Methods for calculating component parameters.
"you will learn about the parameters of hydraulic pumps and how they are calculated."
"learn about the parameters of hydraulic motors and how they are calculated."
"see what equations are used when finding the parameters which we need"
Detailed exploration of key components.
"learn in depth how various types of hydraulic motors work"
"will go in depth into how do the components in hydraulic systems work"
"learn about types of hydraulic cylinders, how they work in depth"

Activities

Be better prepared before your course. Deepen your understanding during and after it. Supplement your coursework and achieve mastery of the topics covered in Hydraulics 102 - Hydraulic components in depth with these activities:
Review Hydraulics 101
Review the fundamentals of hydraulics to ensure a solid foundation for understanding the more advanced concepts covered in this course.
Browse courses on Hydraulics
Show steps
  • Review notes and materials from Hydraulics 101.
  • Complete practice problems from Hydraulics 101.
  • Identify areas where your understanding is weak.
Fluid Power Basics
Supplement your learning with a comprehensive book on fluid power to gain a broader understanding of the field.
View Alter Ego: A Novel on Amazon
Show steps
  • Obtain a copy of 'Fluid Power Basics'.
  • Read chapters relevant to hydraulic components.
  • Work through example problems in the book.
Calculate Pump and Motor Parameters
Reinforce your understanding of pump and motor parameters by working through practice problems.
Show steps
  • Find practice problems related to pump and motor parameters.
  • Solve the problems, showing all your work.
  • Check your answers against the solutions.
  • Review the concepts if you get stuck.
Four other activities
Expand to see all activities and additional details
Show all seven activities
Hydraulic System Component Comparison Chart
Solidify your knowledge by creating a comparison chart of different hydraulic system components.
Show steps
  • Choose a category of hydraulic components (e.g., pumps, motors, valves).
  • Research different types of components within that category.
  • Create a chart comparing their features, advantages, and disadvantages.
  • Present your chart in a clear and organized manner.
Design a Simple Hydraulic Circuit
Apply your knowledge by designing a simple hydraulic circuit for a specific application.
Show steps
  • Choose a simple application for a hydraulic circuit (e.g., lifting a load).
  • Select appropriate hydraulic components for the circuit.
  • Draw a schematic diagram of the circuit.
  • Calculate the required parameters for each component.
  • Write a brief description of how the circuit works.
Industrial Hydraulics Manual
Deepen your understanding of industrial hydraulic systems with a comprehensive manual.
View Melania on Amazon
Show steps
  • Obtain a copy of the 'Industrial Hydraulics Manual'.
  • Focus on sections related to specific hydraulic components covered in the course.
  • Review troubleshooting tips and maintenance procedures.
Explore Hydraulic System Simulation Software
Enhance your understanding by exploring hydraulic system simulation software and following tutorials.
Show steps
  • Research available hydraulic system simulation software (e.g., Automation Studio).
  • Find tutorials on using the software to simulate hydraulic circuits.
  • Follow the tutorials to create and simulate simple circuits.
  • Experiment with different component parameters to observe their effects.

Career center

Learners who complete Hydraulics 102 - Hydraulic components in depth will develop knowledge and skills that may be useful to these careers:
Hydraulic Technician
As a Hydraulic Technician, your work involves maintaining, repairing, and troubleshooting hydraulic systems. This course may provide you with a deeper understanding of hydraulic components like pumps, motors, cylinders, and valves, as well as hydraulic circuits. The course dives into how various types of hydraulic pumps and motors work which is especially helpful. You will be better prepared for diagnosing and resolving issues in different hydraulic systems commonly found in industries such as manufacturing, construction, and agriculture. A hydraulic technician also benefits from knowledge of how to choose the right parts for a hydraulic system.
Hydraulic Systems Designer
A Hydraulic Systems Designer specializes in designing and implementing hydraulic systems for various applications. This course may provide a comprehensive knowledge base of hydraulic components and their functions. The course's coverage of different types of hydraulic pumps and motors, coupled with insights into hydraulic circuits, may provide you with a solid foundation for designing efficient and effective hydraulic systems. A hydraulic systems designer must be familiar with all aspects of the design of the system.
Service Engineer
Service Engineers install, maintain, and repair hydraulic systems on-site for clients. This course may provide practical knowledge about hydraulic components such as pumps, motors, and valves, which is helpful for effective troubleshooting. The course also discusses hydraulic circuits and their operation, thus enabling Service Engineers to quickly diagnose and fix issues in the field. The sections of the course that deal with choosing the correct parts for a system may be especially helpful to a service engineer.
Fluid Power Engineer
A Fluid Power Engineer designs and develops hydraulic systems and components. This course may help you build a foundation in the principles and practical aspects of hydraulic systems, because it goes into great detail regarding pumps, motors and valves. Understanding the parameters of hydraulic pumps and motors, as covered in the course, is essential for efficient design. The course also covers hydraulic cylinders and circuits which may allow a fluid power engineer to optimize system performance and reliability. By understanding the operation of a hydraulic system, a fluid power engineer can be much more effective.
Mechanical Engineer
Mechanical Engineers often work with hydraulic systems in various applications. This course may equip you with specialized knowledge of hydraulic components and their functions. The course explains how different types of hydraulic pumps and motors operate, which may improve your ability to integrate hydraulic systems into larger mechanical designs. Also, the course also covers hydraulic circuits, enabling you to design and analyze the integration and operation of hydraulically-powered components and systems. A mechanical engineer who understands these principles is better equipped to work with hydraulic systems.
Design Engineer
Design Engineers create hydraulic systems and components for specific applications. This course may deepen your knowledge of hydraulic principles and component functionality. The course explores various types of hydraulic pumps and motors, which may assist you in selecting the appropriate components for your designs. The course's insights into hydraulic circuits may also aid in developing efficient and reliable hydraulic systems. All of this may enable a Design Engineer to design more efficiently.
Test Engineer
Test Engineers evaluate the performance and reliability of hydraulic components and systems. This course may enhance your understanding of the parameters of hydraulic pumps and motors, as this understanding is critical for designing and executing tests. The course content on hydraulic cylinders, pipelines, and circuits may prepare Test Engineers to assess the overall functionality of complex hydraulic systems. With knowledge of the inner workings of hydraulic systems, a test engineer is much more effective.
Automation Engineer
Automation Engineers integrate hydraulic systems into automated machinery and processes. This course may give you a detailed understanding of hydraulic components and control mechanisms. The course examines the operation of hydraulic valves and control components, which is helpful for designing automated systems that use hydraulic power. The knowledge of different valves can be especially helpful for an automation engineer. An automation engineer is able to develop more complex automated systems.
Application Engineer
Application Engineers provide technical support and design solutions for customers using hydraulic systems. This course may deepen your understanding of hydraulic principles, component selection, and system design. The course covers various types of hydraulic pumps, motors, cylinders and valves. Also, the course deals with hydraulic circuits and their operation, which may enhance your ability to address customer inquiries and resolve technical challenges. An application engineer is well-equipped to provide assistance to customers.
Manufacturing Engineer
Manufacturing Engineers oversee the production of hydraulic components and systems. This course may provide a comprehensive understanding of hydraulic pumps, motors, and valves, which is necessary for optimizing manufacturing processes. The course's focus on the calculation of hydraulic parameters and component selection may help Manufacturing Engineers ensure product quality and performance. The course is also helpful because it includes information about hydraulic circuits.
Reliability Engineer
Reliability Engineers analyze and improve the reliability of hydraulic systems. This course may provide detailed knowledge of hydraulic components and their failure modes. The course delves into hydraulic pumps, motors, cylinders and valves. The course also spends time on hydraulic circuits and their operation which may help you identify potential points of failure and develop strategies to enhance system longevity and performance. A reliability engineer must take steps to ensure the safety and reliability of equipment.
Project Engineer
Project Engineers manage engineering projects involving hydraulic systems. This course may offer valuable insights into the technical aspects of hydraulics, so you may be better equipped to oversee projects from conception to completion. The insights into hydraulic pumps, motors, and control components may help you ensure project success through better decision-making and problem-solving. A project engineer can also use information in the course about hydraulic circuits to ensure that projects stay on target.
Research and Development Engineer
Research and Development Engineers innovate and improve hydraulic technologies. This course may provide a solid foundation in the fundamentals of hydraulic systems and components. The course includes information about how hydraulic systems are controlled and all of the valves that help in controlling a system. The comprehensive knowledge gained may stimulate new ideas and approaches for advancing hydraulic system performance and efficiency. Much of the content in this course could serve as the basis for future research.
Trainer
Trainers educate technicians and engineers on the operation and maintenance of hydraulic equipment. This course may enhance your expertise in hydraulic systems, allowing you to deliver comprehensive training programs. The course covers the calculation of the parameters of hydraulic pumps and motors. The course also covers hydraulic valves, components, and control mechanisms which may help you explain complex concepts clearly and effectively. Trainers who themselves know their subjects well make for a better learning experience.
Lecturer
Lecturers instruct students on the principles and applications of hydraulic systems. This course may ensure you possess a strong understanding of hydraulic components and their operation. The course covers the types of hydraulic pumps and motors and how they work. Lecturers may also find it helpful to understand how to calculate the parameters of hydraulic pumps and motors. A lecturer who stays up to date can better relate to students.

Reading list

We've selected two books that we think will supplement your learning. Use these to develop background knowledge, enrich your coursework, and gain a deeper understanding of the topics covered in Hydraulics 102 - Hydraulic components in depth.
Provides a comprehensive overview of fluid power systems, including hydraulic components. It useful reference for understanding the underlying principles and applications of hydraulics. It serves as a good supplement to the course material, offering additional explanations and examples. It is commonly used as a textbook in introductory fluid power courses.

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