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GB/T 17895-1999 Natural gas vehicles and liquefied petroleum gas vehicles vocabulary
GB/T 17895-1999 Natural Gas and Liquid Petroleum Gas-Fueled Vehicles - Vocabulary
Natural gas and liquid petroleum gas-fueled vehicles are becoming increasingly popular. This has, in turn, created a whole new vocabulary specific to the industry. This article provides a comprehensive glossary of t......
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GB3216-89 Test methods for centrifugal pumps, mixed flow pumps, axial flow pumps and vortex pumps
The standard for testing centrifugal pumps, mixed-flow pumps, axial-flow pumps, and turbine pumps (GB3216-89) was released in 1989 by the People’s Republic of China and applies to the testing of these types of pumps in China. This article is an overview of the requirements of the standard and how......
GB/T534-2002 industrial sulfuric acid
GB／T534-2002 Industrial sulfuric acid
1. General
This standard stipulates the quality requirements and its test methods, rules and signs of industrial sulfuric acid. This standard is applicable to sulfuric acid of sulfur dioxide smelting, industry and its products of absorbed water, qualified p......
Application of PLC and AC Servo in NC Drilling and Milling Machine
Application of PLC and AC Servo in NC Drilling and Milling Machines
Introduction
In the control system of the NC drilling and milling machine, various components such as the numerical control unit, programmable logic controller (PLC), and alternating current (AC) servo are closely integrated. As......
QC/T 692-2002 Technical Specifications for Gasoline/Natural Gas Dual Fuel Engines
Introduction
The Chinese automobile industry is one of the largest and most important industries in the world today, and gasoline and natural gas two-fuel engines are an essential technology for the development of the industry. In order to ensure the steady development of this technology and to i......
A brief introduction to imported bearings
Introduction to Imported Bearings
Bearings are important mechanical components for transferring motions and forces, and for providing stability; they act as connecting components between dynamic and static parts in a variety of mechanical devices or assemblies. As bearings play an essential role ......
Technical parameters of electric spark intensifier
Introduction
Electric spark hardening machine (also abbreviated as ESH machine) technology has been widely recognized in mechanical industry as a leading technology for improving surface toughness, fatigue endurance, and load bearing capability. In addition, it also has a profound influence in st......
Inspection on the go
Inspection of Cars
When buying a car, it is important to make sure that it is in perfect condition and that you do not purchase a lemon. A thorough inspection of the car is critical and it should take place before you make the purchase. This is especially true if you are buying a used car because......
Causes and Prevention of Machine Parts Deformation
Deformation of Mechanical Parts
Deformation of parts is a common problem faced byindustry. It is often hard to prevent deformation as it is caused by a number of conditions. To avoid it, the causes and ways to prevent deformation should be known.
In mechanical engineering, deformation of parts is......
The texture and influence of steel ingot surface
The effect of waffle pattern on cast steel ingot surface
Cast steel ingots are essential components in many industries, from automobile manufacturing and shipbuilding to agricultural equipment and construction. However, cast steel ingots are not without their faults. One of the most common proble......
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