ETO ENGINEER

An #elevator works on a simple principle of pulleys and counterweights to move people or goods vertically between different floors of a building. Here’s a basic overview of how it operates: 1. Cab: The elevator cab is the part that carries passengers or goods. It is attached to a system of cables and pulleys. 2. Counterweight: A counterweight is connected to the opposite end of the cables from the cab. Its purpose is to counterbalance the weight of the cab and its passengers, making it easier for the elevator motor to move the cab up and down. 3. Motor and Pulleys: The elevator motor is typically located at the top of the elevator shaft. It controls the movement of the elevator cab by winding and unwinding cables around a set of pulleys. 4. Control System: The elevator’s control system regulates the movement of the cab, stopping it at the desired floor when the appropriate button is pressed by passengers inside the cab or on the floors. 5. Safety Mechanisms: Elevators are equipped with various safety mechanisms, such as brakes and sensors, to prevent accidents and ensure smooth operation. These mechanisms may include overspeed governors, emergency brakes, and door interlocks. When a passenger selects a floor, the control system activates the motor to move the cab in the desired direction. The counterweight helps to balance the load, reducing the amount of power required to move the cab. Once the cab reaches the selected floor, the control system stops the motor and opens the doors to allow passengers to enter or exit. Then, the process repeats for subsequent floors.

Low voltage 220V. Incinerator does not work. Troubleshooting Greetings! Today we have a problem with the waste oil incinerator. When starting the incinerator, the touch panel displays the error “Low voltage 220V”. The incinerator is not working. What kind of error is this and how to fix it, we will try to figure it out in the article. ✅ Read article ➡️ https://www.eto-engineer.com/2024/05/low-voltage-220v-incinerator-does-not-work-troubleshooting.html #220V #incinerator #Kangrim #lowvoltage #PLC #transformer #troubleshooting #voltage

A #3D #printer works by creating a three-dimensional object layer by layer, typically from a digital model or design. Here’s a simplified overview of the process: 1. Design: First, a digital 3D model of the object to be printed is created using computer-aided design (CAD) software or obtained from a pre-existing digital model. 2. Slicing: The 3D model is sliced into thin horizontal layers using slicing software. Each layer is then converted into a set of instructions (G-code) that the 3D printer can understand. 3. Printing: The 3D printer starts printing the object layer by layer, following the instructions from the G-code. There are different types of 3D printing technologies, but the basic process involves depositing or solidifying material layer by layer to build up the object. 4. Layering Process: The printer moves its print head or build platform according to the instructions in the G-code, depositing or solidifying material (such as plastic filament, resin, metal powder, or ceramic) to form each layer. The material is typically melted, cured, or fused together to create the desired shape. 5. Finishing: After printing is complete, the object may require post-processing such as cleaning, curing, or sanding to improve its appearance or functionality. Overall, 3D printing enables the creation of complex shapes and prototypes with relative ease compared to traditional manufacturing methods, making it a versatile and increasingly popular technology in various industries.

A #turbocharger is a device that increases the efficiency and power output of an internal combustion engine by forcing more air into the combustion chamber. It works by using the engine's exhaust gases to spin a turbine, which is connected to a compressor that compresses incoming air before it enters the engine. This compressed air allows more fuel to be burned, resulting in increased power output without the need for a larger engine. Turbochargers are commonly used in vehicles, especially in high-performance cars and diesel engines.

#Magnetic 🧲 #coupling refers to the transfer of energy or information between two components without physical contact, using magnetic fields. This phenomenon is commonly used in various applications, including: 1. #Wireless #Charging: Magnetic coupling enables the transfer of energy from a charging pad to a device without the need for direct electrical connections. 2. Inductive Coupling: This is used in transformers and inductive charging systems, where energy is transferred between two coils without physical contact. 3. Magnetic Resonance Imaging (MRI): In medical imaging, magnetic coupling is utilized to generate detailed images of the body’s internal structures without the need for invasive procedures. 4. Data Transfer: Magnetic coupling can also be used for data transfer between devices, such as in magnetic induction communication systems. Overall, magnetic coupling allows for efficient energy transfer and communication in various technological applications while minimizing physical wear and tear.

#Laser #radar, also known as #LIDAR (Light Detection and Ranging), works by emitting laser pulses and measuring the time it takes for those pulses to bounce back after hitting an object. Here’s how it typically works: 1. Laser emission: A laser emits short pulses of light in the form of a narrow beam. 2. Reflection: The laser beam hits an object, and part of the light reflects back towards the LIDAR device. 3. Detection: The LIDAR device detects the reflected light, usually using a photodetector. 4. Time measurement: By measuring the time it takes for the light to return to the LIDAR device, the distance to the object can be calculated using the speed of light. 5. Data processing: The distance measurements are combined with the angle and position of the LIDAR device to create a three-dimensional map of the surroundings. LIDAR is commonly used in various applications such as autonomous vehicles, environmental monitoring, and surveying due to its high accuracy and ability to create detailed 3D models of the environment.

Work of an ETO on ships with cranes. What most often breaks on cargo cranes? Greetings! In this article, we will look at general issues related to the work of an ETO on ships with cranes. Recently, the number of ships with cargo cranes in the world merchant fleet has been increasing, so this article will be of interest primarily to ETOs who are just starting to work on such vessels. A cargo ship performs, among other things, two important tasks - unloading, loading and transporting cargo. All these tasks involve an ETO, who is assigned more of a repair role than an operation one. During cargo operations, the electroengineer must be in the standby mode, always be ready to repair or provide technical support to crane operators. ✅ Read article ➡️ https://www.eto-engineer.com/2024/05/work-of-eto-on-ships-with-cranes.html #cargocranes #electroengineer #ETO #grabs #limitswitches #relay #thermalrelay #timerelay #troubleshooting

#Inductive and #capacitive #sensors are both types of proximity sensors used in various applications for detecting the presence or absence of an object without physical contact. Here’s a brief overview of each: 1. Inductive Sensors: • Inductive sensors detect the presence of metallic objects without physical contact by generating an electromagnetic field. • When a metallic object enters the sensor’s field, it induces eddy currents in the metal, causing a change in the field. • This change is detected by the sensor, triggering an output signal to indicate the presence of the object. • Common applications include metal detection, position sensing, and automation systems. 2. Capacitive Sensors: • Capacitive sensors detect the presence of both conductive and non-conductive objects by measuring changes in capacitance. • These sensors generate an electric field, and when an object enters the field, it alters the capacitance between the #sensor and the object. • Conductive objects increase the capacitance, while non-conductive objects decrease it. • Capacitive sensors are used in applications such as level sensing (liquids, granular materials), #proximity sensing (detecting hands or objects), and touch sensing (keyboards, touchscreens). In summary, while inductive sensors primarily detect metallic objects through electromagnetic fields, capacitive sensors detect both conductive and non-conductive objects by measuring changes in capacitance. Each type has its own strengths and is chosen based on the specific requirements of the application.

Temperature controller. Replacing and adjusting the temperature controller on a cargo crane Greetings! In this article we will change the temperature controller of a cargo crane. It has failed and for this reason the crane hydraulic protection system based on oil temperature does not work. The temperature controller (PID controller) on the crane, together with the PT100 RTD (Resistance Temperature Detector) sensor, are key elements in protecting the crane hydraulics from oil overheating. ✅ Read article ➡️ https://www.eto-engineer.com/2024/05/replacing-adjusting-temperature-controller-on-cargo-crane.html #cargocranes #hydraulic #PID #PT100 #RTD #safetydevices #sensors #temperature #temperaturecontroller #troubleshooting

#Smoke #detectors work by sensing the presence of smoke particles in the air. There are typically two types: ionization and photoelectric. 1. #Ionization detectors: They contain a small amount of radioactive material that creates an ionization chamber. Smoke particles disrupt the current flow within this chamber, triggering the alarm. 2. #Photoelectric detectors: They use a light source and a photosensitive sensor. Smoke particles entering the chamber scatter the light, which is then detected by the sensor, triggering the alarm. Both types are effective in detecting smoke, but they may respond differently to various types of fires.

A simple electrical #circuit to start an electric #motor typically involves a #power source, a #switch (to control the motor), and the motor itself. Here’s a basic diagram: 1. Power Source: This could be a battery or mains power supply. 2. Switch: This controls the flow of electricity to the motor. It could be a manual switch or an automatic switch depending on the application. 3. Electric Motor: This converts electrical energy into mechanical energy to start and run the motor. The circuit would look something like this: Power Source (+) ---- Switch ---- Electric Motor ---- Power Source (-) When the switch is closed (turned on), it completes the circuit, allowing electricity to flow from the power source to the motor, which then starts running. When the switch is opened (turned off), the flow of electricity to the motor is interrupted, and the motor stops running.

An #ElectricDrillMachine is a versatile power tool used for drilling holes in various materials such as wood, metal, plastic, and masonry. It typically consists of a motor, a chuck to hold the drill bit securely in place, a trigger or switch for controlling the speed, and a handle for comfortable operation. Electric drills come in various types, including corded and cordless models. Corded drills are powered by electricity from an outlet, providing continuous power, while cordless drills run on rechargeable batteries, offering more portability and convenience, albeit with limited runtime.Electric drill machines can vary in size, power, and features, catering to different applications and user preferences. Some common features include adjustable speed settings, forward and reverse rotation, torque control, and hammer action for drilling into masonry. Overall, electric #drill machines are essential tools for both professional tradespeople and DIY enthusiasts, enabling efficient and precise drilling in a wide range of materials for various projects.

The crane jib is luffing down under its own weight. Troubleshooting Greetings! Another problem occurred on the cargo crane; its jib is slowly going down without affecting the manipulator (joystick). More precisely, the crane boom is lowered down and stopped, but by inertia it continues to go down without operator action under its own weight. This problem can lead to significant damage and therefore requires immediate elimination. In the previous article, we looked at a situation where the crane hook was slow to move (abnormal speed of the crane) when operating on the corresponding joystick. ✅ Read article ➡️ https://www.eto-engineer.com/2024/05/crane-jib-is-luffing-down-under-its-own-weight-troubleshooting.html #cargocranes #joystick #luffing #troubleshooting

Metal-Oxide-Semiconductor Field-Effect Transistor (#MOSFET) is a type of transistor used for amplifying or switching electronic signals. It consists of three terminals: gate, source, and drain. MOSFETs are widely used in digital and analog circuits due to their high input impedance, low output impedance, and fast switching speed. They are integral components in many electronic devices such as computers, smartphones, and power supplies.

The cargo crane does not slew. Troubleshooting Greetings! Today we have a problem with the cargo crane, it won’t slew. In this case, there are no signals or alarms, the crane starts up, executes the commands “jib up, hook up” and “jib down, hook down,” but does not slew in any direction. According to the instructions for the crane, you need to check the following circuit: Joystick - PLC - relay - Proportional Driver Unit - Proportional Valve. Let's check the entire electrical circuit and figure out the reason for the improper operation of the cargo crane. ✅ Read article ➡️ https://www.eto-engineer.com/2024/05/the-cargo-crane-does-not-slew.html #cargocranes #joystick #PLC #relay #slewing #troubleshooting

The crane hook goes up slowly. The cargo crane is not working. Troubleshooting Greetings! The hook of the cargo crane goes up very slowly. There is no accompanying information or prompts from the automation. In this article, let's figure out what this problem is and how to fix it. ✅ Read article ➡️ https://www.eto-engineer.com/2024/05/the-crane-hook-goes-up-slowly-troubleshooting.html #cargocranes #current #hoisting #hook #multimeter #troubleshooting

Pressure switch. The fuel pressure switch on the boiler has failed. What is an abnormal fire? Greetings! Today our fuel pressure sensor on the boiler failed. We found out about this as a result of the malfunction of the boiler and the alarm “Abnormal fire” on the panel. This problem is quite critical and requires an immediate solution. According to the instructions, the pressure in the line to the fuel spray nozzles should be about 20 kg, the pressure switch setting should be about 14 kg (low pressure protection). In this article I propose to figure out what this problem is and what it can lead to in the future. ✅ Read article ➡️ https://www.eto-engineer.com/2024/05/fuel-pressure-switch-boiler-failed-what-is-abnormal-fire.html #abnormalfire #boiler #fuel #pressure #pressuresensor #pressureswitch #protection #safetydevices #troubleshooting

Start #capacitors and run capacitors are both types of capacitors used in electrical systems, particularly in motors, to improve the performance and efficiency of the motor. Here are the key differences between them: 1. Function: • Start #Capacitor: Provides the initial extra torque needed to start a motor, especially in applications where the load on the motor is high or the motor needs to overcome inertia. • Run Capacitor: Maintains a constant phase shift and helps improve the efficiency and power factor of the motor during its operation. 2. Timing: • Start Capacitor: Is only in the circuit during the motor startup process and is typically disconnected by a switch or a relay once the motor reaches a certain speed. • Run Capacitor: Remains connected to the motor circuit during the entire operation of the motor. 3. Construction: • Start Capacitor: Designed to provide a high capacitance value for a short duration, typically made with electrolytic or tantalum materials. • Run Capacitor: Designed to provide a moderate capacitance value for a long duration, often constructed with metallized film or oil-filled materials for better durability. 4. #Capacitance Value: • Start Capacitor: Higher capacitance value compared to run capacitors to provide the necessary starting torque. • Run Capacitor: Lower capacitance value compared to start capacitors, as it is intended for continuous operation. In summary, start capacitors are used to provide the initial torque to start a motor, while run capacitors help maintain the motor’s efficiency and power factor during operation. They differ in function, timing, construction, and capacitance value.

Abnormal Fire. The boiler does not start. Troubleshooting Greetings! Today our boiler does not start, there is an “Abnormal Fire” signal on the panel, and a “Boiler Total Alarm” on the alarm monitoring system in the ECR. The main switchboard has low insulation 440V, but no alarm. There can be many reasons for this problem; in this article we will look at some of them. And we will analyze our case in detail. ✅ Read article ➡️ https://www.eto-engineer.com/2024/05/abnormal-fire-boiler-does-not-start.html #abnormalfire #boiler #heater #lowinsulation #lowinsulation440V #temperature #troubleshooting

Phase fail. The turning gear and the LO autofilter of the main engine do not start Greetings! Today we have a problem with the turning gear and the LO autofilter of the main engine. During the preparation of the main engine, alarms were sent to the alarm monitoring system in the ECR indicating that some kind of problem had occurred with these mechanisms. It is necessary to pay attention to the fact that problems with starters or motors occurred at the same time and perhaps they have something in common. On a ship, these systems are not connected to each other in any way. ✅ Read article ➡️ https://www.eto-engineer.com/2024/05/phase-fail-turning-gear-and-LO-autofilter-of-main-engine-do-not-start.html #autofilter #LOautofilter #mainengine #phasefail #troubleshooting #turninggear