The Manufacturing Laboratory is equipped with a wide range of machinery and tools for prototyping and testing. The primary objective of this laboratory is to support academic and research work related to Manufacturing Engineering. It serves as a hands-on learning environment, offering students the opportunity to apply theories and principles to real-world applications.

The lab includes various types of machinery, such as CNC milling and laser cutting machine, making it a key resource for students studying Engineering, Industrial Design, and other related fields.

The Manufacturing Laboratory features a smart board alongside its wide range of machinery, providing students with an interactive environment to apply theoretical knowledge in Manufacturing Engineering.

Resource Persons

The Material Testing Laboratory is equipped with modern testing equipment designed for students to conduct experiments and develop competencies related to testing and evaluating various materials for a wide range of applications. The laboratory's equipment allows for characterizing material properties and evaluating their behavior under different loads and conditions, including fatigue, to develop models for predicting and controlling performance.

This laboratory serves as a vital resource for students and researchers interested in exploring and advancing the field of material science. It provides a dedicated space for hands-on learning, experimentation, and the opportunity to tackle real-world problems.

With a focus on modern testing equipment, the Material Testing Laboratory incorporates a smart board to facilitate comprehensive data analysis and visualization during experiments on various materials.

Apparatus and Equipment available in the Material Testing Laboratory

• Charpy System Impact Test Machine

The purpose of the Charpy Impact Testing Machine lies in the measurement of toughness of metallic material. The Charpy system consists of a pendulum that is swung from a height and struck against a test specimen. The amount of energy absorbed by the specimen during the impact is measured, which is used to calculate the impact strength of the material.

• Torsion Machine

Torsion Machine is used to perform a series of torsion tests on different material and determine the shear modulus, maximum shear stress at elastic limit and at failure, and to demonstrate the Bauschinger effect.

• Combined Bending and Torsion Test Apparatus

In this Apparatus, the specimen is subjected to a combination of bending and torsion, where the principal stresses are of opposite sign and their numerical values depend upon the ratio of the bending moment to the torque. The specimen is loaded by dead weight and the dial indicator is used to measure the deflection.

• Torsion of Shaft Apparatus

This apparatus is used to investigate the relationship between torque and angle of twist for shafts of various metal subjected to a torque and to find shear modulus or modulus of rigidity.

• Thick-Walled Cylinder

Thick Cylinder shows students the strain in the walls of the thick-walled cylinder when it is under stress from an internal pressure. This arrangement is similar to many real-world applications, including pressure vessels, medium caliber guns, and cannon barrels.

• Universal Testing Machine – 20 KN

The tensile strength of materials is tested using a universal testing machine (UTM). Tensile test examines the strength of the given material while applying longitudinal axial load at a specific extension rate till it fails. Compression test, 3-point bending test and fatigue test can be performed on the machine.

• Laboratory Furnace (Muffle Furnace)

Laboratory furnace is ideal for many applications in materials research and heat treatment. (Maximum Temperature: 1100 °C)

Resource Persons

The Mechatronics Laboratory is a state-of-the-art facility that provides students with the necessary hardware and software for conducting experiments and research in the field of mechatronics. It is equipped with a diverse range hardware and software resources essential for conducting experiments and investigations. Among its offerings are innovative tools such as a ball balancer and joint system with dual degrees of freedom, an inverted pendulum, gyroscopes, DC motor control trainers, analog plant simulators, programmable logic controllers (PLCs), human-machine interfaces (HMIs), microcontrollers, sensors, motors, and various other electromechanical components. Moreover, the laboratory provides essential software tools like ROS (Robot Operating System), MATLAB, and RoboDK, enabling students to simulate robotic systems, perform advanced simulations, develop algorithms, generate robot programs, and engage in offline programming for robotic manipulators. This integration of hardware and software resources empowers students to explore complex concepts, conduct virtual experiments, and develop innovative solutions to real-world challenges within the realm of mechatronics.

The Mechatronics Laboratory serves as a collaborative space, encouraging teamwork on projects involving the design and development of robotic systems, automated systems, and other electromechanical systems. The Mechatronics Laboratory, a state-of-the-art facility, is further enhanced by the inclusion of a smart board, fostering collaborative and interactive learning experiences for students and researchers working on mechatronic systems. It stands as a valuable resource for students and researchers interested in exploring the exciting and rapidly evolving field of mechatronics.

Partnerships

Mechanical Engineering Department of General Sir John Kotelawala Defence University has collaborated with RoboDK, an offline programming and simulation software for industrial robots. The simulation software can be used for many manufacturing projects including milling, welding, pick and place, packaging and labelling, palletizing, painting, robot calibration, etc.

Apparatus and Equipment available in the Mechatronics Laboratory

• PLC & HMI Trainer Kits

Several PLC & HMI Trainer Kits are available at the Mechatronics laboratory. Each Trainer kit consists of Siemens S7-1200 Programmable Logic Controllers and Simatic Human Machine Interfaces.

• Servo Break and Drive System

The Servo Break and Drive System consists of a 3-phase Induction Motor controlled by a VFD, and AC & DC Servo Motor systems.

• Electro Pneumatic Trainer

Electro-Pneumatic Trainer consists of components such as Single and Double Acting Cylinders, 3/2 & 5/2 Directional Control Valves, Compressor, Service Unit, Limit Switches, and Proximity Sensors.

• Analog Electronics Station

Analog Electronic Station consists of Oscilloscopes, Function Generators, and Dual Channel DC Power Supply Units.

• Digital Electronics Station

Digital Electronics Station consists of a Digital Circuit Lab apparatus and AC & DC power Supply units.

• Process Control and PID Trainer

A Process Control and PID (Proportional-Integral-Derivative) Trainer is used to study the principles of process control and the use of PID controllers in industrial process control systems. The purpose of the trainer is to allow students to learn how to design and tune PID controllers for a variety of process control applications, and to understand the effects of process dynamics and control action on process performance.

• NI MyDAQ Kits

NI myDAQ is a portable data acquisition (DAQ) device that is designed to be used for science, engineering, and math education. It is a compact device that includes a variety of sensors and connectors, and it is designed to be used with the NI LabVIEW software platform. NI myDAQ is designed to be easy to use and to provide a wide range of functionality. It includes a variety of sensors, including an oscilloscope, a multimeter, a function generator, and a waveform generator, as well as connectors for external sensors and devices. It can be used to measure and analyze electrical signals, perform experiments, and collect data.

Arduino Starter Kits, Raspberry Pi Desktop Kits, NI MyDAQ Kits, Industrial Camera Kits, Electronic Consumables, Soldering Stations, Power Tools, etc. are available for the students to be used for their research and project work.

• Quanser 2 DOF Ball Balancer

The 2 DOF Ball Balancer is likely a mechatronic system designed to balance a ball on a surface using two degrees of freedom. This type of system is commonly used in control systems education and research. It provides a practical platform for experimenting with control algorithms to stabilize and control the position of the ball.

• Quanser 2 DOF Joint with Inverted Pendulum

This system is likely composed of a joint with an attached inverted pendulum. The inverted pendulum is a classic control systems problem, and this platform allows for hands-on experiments in controlling the stability of the inverted pendulum. Users can implement various control strategies to keep the pendulum in an upright position.

• Quanser DC Motor Control Trainer

The DC Motor Control Trainer is designed for studying and experimenting with the control of DC motors. It typically includes a DC motor coupled with sensors and controllers. Users can explore concepts such as speed control, position control, and torque control. This type of system is common in courses related to control systems and mechatronics.

• Quanser Analog Plant Simulator

The Analog Plant Simulator is likely a versatile tool designed for simulating various types of analog plants. It provides a flexible platform for studying and experimenting with control system concepts without the need for physical hardware. This can be especially useful for educational purposes, allowing users to explore different scenarios and control strategies in a controlled environment.

• LabVIEW

LabVIEW (Laboratory Virtual Instrument Engineering Workbench) is a graphical programming language and development environment for creating custom applications in a variety of fields, including engineering, physics, biology, and chemistry. LabVIEW is a visual programming language, which uses icons and diagrams to represent code. This makes it easier to understand and work with, especially for those who are not experienced programmers. LabVIEW includes a variety of built-in functions and libraries that can be used to perform a wide range of tasks, including data acquisition, instrument control, and data analysis. It is a powerful tool that is well-suited for many applications that require the integration of hardware and software.

• RoboDK

RoboDK is a software platform for simulation, offline programming, and robot machine communication. RoboDK allows users to simulate robots and program them offline using a graphical user interface. It supports a wide range of robots and machine tools, and it can be used to generate robot programs for a variety of tasks, including welding, painting, milling, and more. In addition to offline programming, RoboDK also includes tools for machine communication, which allows users to control and monitor real robots from a computer.

Resource Persons

The Automobile Laboratory is a dedicated space designed for students to conduct experiments and develop skills related to the design, construction, and testing of automobiles and other vehicles. Within this laboratory, students and researchers collaborate on projects that encompass the design, construction, and testing of vehicles for diverse applications. The facility focuses on exploring the performance and behavior of vehicles and their systems, including engines, transmissions, and suspension systems. It aims to develop models for predicting and optimizing their performance.

In addition to providing a hands-on environment for experimentation and project work, the Automobile Laboratory is equipped with audiovisual tools and other resources to support teaching and learning. It stands as a vital resource for students and researchers eager to explore and advance the field of automotive engineering, offering a space for hands-on learning, experimentation, and tackling real-world problems and projects.

Apparatus and Equipment available in the Automobile Laboratory

• IC Engine Cut model

This is a physical model of an internal combustion engine that has been cut/sliced in order to reveal its internal components in cross-section and to identify several key mechanisms. This includes detailed diagrams/ labels to help students understand the principles of internal combustion engines, and functions of each component such as cylinders, pistons, crankshaft, connecting rods, valves, etc.

• Injector Tester

Injector tester is a device used to test the performance and functionality of fuel injectors in internal combustion engines and to demonstrate spray patterns.

• Hydraulic Power Steering and wheel alignment Demonstrator

The hydraulic power steering demonstrator is a device used to demonstrate and teach the principles of hydraulic power steering systems and to demonstrate the principles of wheel alignment.

• ABS Braking Demonstrator

An ABS (Anti-lock Braking System) demonstrator is a device used to demonstrate and teach the principles of ABS braking systems, which are used in many vehicles to help improve braking performance and stability.

• Single Cylinder Diesel Engine Tester

This apparatus is used to test the performance of a Single Cylinder Diesel Engine. This includes a belt dynamometer to increase the load with rpm to calculate engine performance parameters.

• ECU Scanner

ECU (Engine Control Unit) scanner is an advanced multi-compatibility, diagnostic tool used to read and interpret data from the ECU of a vehicle. This allows the students to read and interpret data/ information about the vehicle’s engine and transmission, brakes, suspension, and electrical system stored in the ECU’s memory and to diagnose and troubleshoot issues with a vehicle’s systems.

• Alternator trainer

Alternator trainer is a training equipment used in the automobile laboratory to teach students about the functioning of alternators, which are devices that convert mechanical energy into electrical energy in an automobile. The trainer consists of a physical model of an alternator, as well as various measuring instruments and diagnostic tools that can be used to test and troubleshoot the alternator.

• Cut models

Cut models (cross-section models/ slice models) are physical models which reveal the internal components and mechanisms of automotive systems. In the automobile laboratory, cut models are used to demonstrate and teach the principles of various complex automotive systems and components, such as engines, transmissions, brakes, and suspension systems. In the automobile laboratory, several cut models are available including the automatic transmission cut model, planetary gear system, power steering cut model, etc.

• Exhaust Gas Analyzer

An exhaust gas analyzer is a device used to measure exhaust gases caused by combustion. Also known as an emission gas analyzer, it effectively measures different gases present and give readings about their content. It is mainly used to measure the CO content of the exhaust gas.

• Vetus Diesel Engine

The Vetus diesel engine, available in the laboratory is mainly used to give hands-on experience on disassembling and assembling an engine for the undergraduates. The Vetus engine is a marine engine that is designed for easy installation and minimum maintenance requirements.

• Hybrid Trainer

The Hybrid Trainer gives hands-on experience to students, giving the competencies and system understanding needed to diagnose Electric and Hybrid vehicles. Students can work directly on a real high-voltage system, which has nevertheless been adapted with special safety features so that it can be used without any prior qualifications. Learning areas covered include drive configurations, components of high-voltage systems, disconnection/isolation of HV systems, safe working with such systems, charging of high-voltage batteries, and diagnostics. This gives students the opportunity to develop various diagnostic strategies, even involving measurements on an actual HV system, yet nonetheless under the most stringent safety conditions.

Resource Persons

The Metrology and NDT Laboratory is a dedicated space designed for students to conduct experiments and develop skills related to the measurement and characterization of physical quantities such as length, mass, time, temperature, and pressure. This laboratory comprises a variety of equipment and tools used to measure and analyze the properties of materials, devices, and systems. In the Metrology and NDT Laboratory, students study the performance and accuracy of measurement instruments, developing methods to enhance their precision and resolution. 

Additionally, the laboratory facilitates the study and application of NDT techniques, including ultrasonic testing, magnetic particle inspection, eddy current testing, dye penetrant testing, and visual inspection. It offers students hands-on experience in detecting defects, assessing material integrity, and ensuring quality control. The Metrology and NDT Laboratory serves as a central hub for research, learning, and innovation in measurement science, quality assurance, and non-destructive testing.

Apparatus and Equipment available in the Metrology and NDT Laboratory

• Micrometer (0 - 25 mm)
• Micrometer (25 - 50 mm)
• Micrometer (50 - 75 mm)
• Micrometer (75 - 100 mm)
• Micrometer (100 - 125 mm)
• Micrometer (125 - 150 mm)
• Micrometer (150 - 175 mm)
• Micrometer (175 - 200 mm)
• Micrometer (200 - 225 mm)
• Micrometer (225 - 250 mm)
• Micrometer (250 - 275 mm)
• Micrometer (275 - 300 mm)
• Digital Micrometer (0 - 25 mm)
• Digital Micrometer (25 - 50 mm)
• Vernier Caliper (0 - 150 mm)
• Vernier Caliper (0 - 300 mm)
• Digital Caliper (0 - 120 mm)
• Digital Vernier Caliper (0 - 150 mm)
• Sine Bar
• Timing Torch
• Digital Photo Tachometer
• Bore Gauge (50 - 150 mm)
• Bore Gauge (160 - 250 mm)
• ½ Dr Star Female Heavy Duty Socket (14)
• ½ Dr Star Hexagon Female Heavy Duty Socket (14)
• Micro Depth Gauge (0 - 25 mm)
• Height Gauge (0 - 8 Inch)
• Dial Gauge (0 - 10 mm)
• Pitch Gauge (Metric and With - Worth)
• Radius Gauge
• Thickness Gauge
• Circlip Piler Set
• Depth Gauge (8”)
• Dial Caliper (0- 120mm)
• Dial Indicator with Magnetic Base (0-5mm)
• Digital Angle Gauge
• Precision Sprit Level
• Slip Gauge
• Engine Components
• Safety Gloves
• UV Light Safety Glasses
• Torque Wrench (60-340 Nm)
• Bench Vise
• NDT Practical aids
  • Magnetic particle York with UV lamp
  • Dye penetrant test kit
• Strain Gauge Transducer Trainer

A strain gauge is a sensor that measures the strain or deformation of an object under mechanical stress. It converts mechanical strain into an electrical signal by detecting changes in its electrical resistance. Typically made of a thin wire or metal foil, the strain gauge is attached to the object's surface. As the object deforms, the gauge stretches or compresses, altering its resistance. This resistance change is directly proportional to the applied strain.

• Surface Roughness Tester

The surface roughness tester is a shop-floor type surface-roughness measuring instrument which traces the surface of various machine parts calculate their surface roughness based on roughness standards and display the results. The stylus is perpendicular to the surface while drawing along the surface. Roughness parameters are then determined using the registered profile produced by this procedure.

Resource Persons

NDT Lab Facilitators

• LCdr (E) PH Amarasinghe
  • Qualifications: NRE 2271
    • MT Level 3 (As per ISO 9712)
    • ET Level 2 (As per ISO 9712)
    • RT Level 2 (As per ISO 9712)
    • UT Level 1 (As per ISO 9712)
• ERA II US Wickramasinghe
  • Qualifications: AE 82422
    •  UT Level 2 (As per ISO 9712)
    •  MT Level 1 (as per ISO 9712)

The Thermodynamics Laboratory is a dedicated facility where students can conduct experiments and research in the field of thermodynamics, a branch of physics dealing with the study of heat, work, and energy. This laboratory provides state-of-the-art resources and expertise to meet the mandatory laboratory components of modules such as Fundamentals of Thermodynamics, Applied Thermodynamics, Heat and Mass Transfer, and Energy Technology and Environment. 

Additionally, the laboratory features heat transfer equipment like refrigeration units, cooling towers, convection and radiation apparatus, thermal conductivity apparatus, etc., enabling students and researchers to explore the transfer of heat between different systems. A wind tunnel with a wind power generator allows students to experimentally study wind energy conversion technologies. The Thermodynamics Laboratory's primary goal is to provide opportunities for hands-on experience with tools and techniques used in the field of thermodynamics.

Featuring state-of-the-art resources, the Thermodynamics Laboratory includes a smart board to complement experimental work, aiding students and researchers in visualizing and analyzing heat transfer and energy conversion technologies.

Apparatus and Equipment available in the Thermodynamics Laboratory

• Compact Steam Turbine Power Plant

This Compact Steam Turbine Power Plant is designed to simulate a modern steam power plant. The main components consist of a feed water system, small industrial boiler, steam turbine, super heater, generator and lamp load, condenser with a condensate tank and pump, and a cooling tower. In this system instruments are provided for measurement of pressures, temperatures, fuel flow, feed water follow, output voltage and currents. Using this steam power plant experiments can be carried out to measure feed water and fuel flow rates, efficiencies of components and specific steam consumption of the plant.

• Redwood Viscometer

This apparatus is used to determine the kinematic and absolute viscosity of liquids, expressed in Redwood seconds at the test temperatures.

• Boy’s Gas Calorimeter

Boy’s Gas Calorimeter is used to determine the Gross and Net Calorific value of any gaseous fuel provided that the correct burner nozzle is fitted. 

• Marcet Boiler

This apparatus enables the students to determine the pressure and temperature values of saturated wet steam at all pressure levels between atmospheric pressure and 17 bar. The experiment is carried out to determine the Pressure temperature relationship for saturated water steam.

• Heat Conduction of Solids apparatus

Thermal conductivity is the property of a material to conduct heat. This apparatus is used to experimentally determine the thermal conductivity for a number of common metals.

• Refrigeration Cycle Trainer

This simple refrigeration cycle assists students to learn the stages of refrigeration at an entry-level. Students learn about the pressure enthalpy chart and use the chart for R-134a to determine the Coefficient of performance of the refrigeration cycle, superheat and subcooling from the enthalpy changes. 

• Air Compressor Set

This is a multi-stage compressor where the air is compressed in multiple stages. The intake of air in the first stage gets compressed and then it is passed through an intercooler to achieve a temperature very close to ambient air. Experiments are conducted to identify the effect of intercooling and multistage air compression for optimizing air compression.

• Combined Convection and Radiation Apparatus

This module enables students to analyze the combined effects of convection and radiation at different values of surface temperature and air velocity on the surface.

• Bench Top Cooling Tower

The cooling tower is a specialized heat exchanger in which air and water are brought into direct contact with each other in order to reduce the water temperature. Experiments are conducted to study the mass and energy balance and to determine the cooling capacity under different water and air flow rates.

• Wind Power Trainer with Wind Tunnel

This trainer is used for the theoretical and practical study of a wind turbine and the generation of electricity from wind kinetic energy. With this trainer, it is possible to change the flow of the air that reaches the wind turbine and to study its operation under no-load and load conditions.

Resource Persons