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Definition and Development History of Excavators Excavators are heavy construction equipment used for digging and excavating materials, such as soil, rock, and debris. They consist of a boom, stick, and bucket, which are controlled by hydraulic systems to perform various digging and loading operations. The history of excavators dates back to the late 19th century, when steam shovels were used for ...
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Excavator structure composition Excavators are heavy construction equipment used for excavation and demolition tasks in the construction industry. The structure of an excavator consists of several components which work together to perform a variety of tasks. Firstly, the base of an excavator is the undercarriage which includes tracks and wheels that allow the excavator to move around a constructio...
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Excavator classification Excavators come in a variety of types, each designed for different applications and work environments. In this article, we will describe the main types of excavators that are commonly used in construction, mining, and other industries. Crawler Excavator: These excavators have a tracked undercarriage and are designed for rough terrain and muddy or rocky work conditions. The...
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Definition of diesel engine A diesel engine, also known as a compression-ignition engine, is a type of internal combustion engine that operates on the principle of compression ignition. In a diesel engine, fuel is injected into the combustion chamber at a high pressure. The fuel and air mixture is compressed by the piston, which raises the temperature inside the combustion chamber. This high tempe...
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How many parts are the internal combustion engine product models? What does each mean? An internal combustion engine (ICE) consists of several essential components that work together to generate power. Here are the main parts of an internal combustion engine and their functions: 1.Engine Block: The engine block forms the foundation of the engine and houses various components. It provides support t...
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What is the reason for the engine valve not closing tightly? When engine valves do not close tightly, it can be attributed to several potential reasons: 1.Valve Clearance Issues: Each engine valve has a specified clearance range that allows for expansion due to heat. If the valve clearance is too large, the valve may not close tightly, resulting in a loss of compression. Regular valve clearance ad...
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What is an automatic voltage regulator and its specifications An automatic voltage regulator (AVR) is an electronic device used to regulate and stabilize the voltage output of an electrical power system. It is typically used in situations where a consistent and stable voltage supply is necessary to protect sensitive equipment or to ensure proper functioning of electrical appliances. The AVR monito...
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Sensor composition The composition of sensors can vary depending on their type and application. Here are some common types of sensors and their typical compositions: 1.Temperature Sensors: - Thermocouples: Made from two different metals or metal alloys. - Resistance Temperature Detectors (RTDs): Usually made of platinum, nickel, or copper. - Thermistors: Comp...
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