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Cast Iron Pump Shell Crack Welding Repair
Welding of Iron Pump Casings
Iron pump casings are some of the most commonly used components in pumps, valves, and other similar machinery. In order to ensure the quality of the equipment, welding of iron pump casings should always be done correctly and with the right technique. This article will......
1033 
Sophie
Concept and Development History of Four-Wheel Vehicle (Part 1)
Introduction
The concept of a four-wheel drive vehicle dates back to the late 19th century, when French inventor Leon Jouhaux released the first four-wheel drive vehicle in 1878. The invention of Jouhaux was the first successful attempt to use two-wheel drive technology to create an automobile wi......
Determination of NC Machining Feed
Introduction
CNC machining feed is the speed at which part stock is advanced into the cutting tool. It is measured in inches per minute (IPM), millimeters per minute (MMPM), or in the case of lathes, in revolutions per minute (RPM). When designing a CNC machining strategy and selecting a feed rat......
Some Problems about Tool Nose Arc Radius Compensation in NC Turning
A research on the radius compensation of the tool tip in CNC turning
CNC machining is widely used in many industries due to its superior performance. In CNC turning, radius compensation of the tool tip is used to fully utilize the machining capacity of the machine tool, reduce the number of manual......
Maintenance method of Siemens 3 CNC system
Siemens 3 CNC System Maintenance
Siemens 3 CNC system is a generation of advanced computer numerical control (CNC) technology systems, developed by Siemens for the production industry. It uses sophisticated technology for automation of machining processes, controlling multiple machine tools, incr......
Commissioning of communication and railway signaling systems
Telecommunications and Railway Signal System Testing
Telecommunications and railway signal systems are integral components of the current global infrastructure. As more countries move to more modern, technology-driven systems, having the ability to test these systems for proper functionality and ......
Ultrasonic flaw detection
Ultrasonic inspection
Introduction
Ultrasound testing is the examination method that uses the mechanical waves in the elastic state of the material to detect its internal defects.In this test, the elastic wave is transmitted through the metal material and the reflected waves are received by the ......
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Modern Surveillance, Defining Human Rights
Humans all have the right to be free from intruding surveillance in their everyday lives; this fundamental human right has existed for centuries. In the early days of human history, physical barriers such as fortress walls provided physical protection fr......
In what order should the main components of the B665 Shaper be repaired?
1.Introduction
B665 bull-nose planer is a kind of machine tool used to cut and trim wood. It is made up of several components and they all need to be in working condition. In the following sections we will discuss the order of the components to be repaired in a B665 bull-nose planer.
2.Analyzin......
GBT 13277-91 General compressed air quality grade
GB/T 13277-91 General Compressed Air Quality Levels
Compressed air is an essential element in most industrial processes, but it often carries undesirable impurities that can reduce performance, compromise quality, and increase maintenance costs. GB/T 13277-91 sets the general quality levels for c......
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