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GB 5771-86 Diesel engine fuel injection pump delivery valve assembly technical requirements
，关于柴油机喷油泵出油阀偶件的技术条件。
Injection pumps are among the greatest advancements in diesel engine fuel delivery systems. The primary purpose of an injection pump is to control the timing and quantity of fuel injected into the engine. Outlet valves play a key role in determining the para......
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Nathan
GB/T 18437.1-2001 Technical Requirements for Refitting Gas Vehicles Compressed Natural Gas Vehicles
GB/T 18437.1-2001 Technical Requirements for Retrofitting of Gas Vehicles - Compressed Natural Gas Vehicle
Introduction
In order to improve energy efficiency, reduce energy consumption and reduce pollution, compressed natural gas (CNG) vehicles have become increasingly popular. This can be seen ......
GB12358-90 General technical requirements for gas detection and alarm devices in the working environment
Technical Requirements of General Gas Detection Alarms in GB12358-90 Workplace Environment
The main purpose of this technical requirement is to standardize the requirements of general gas detection alarms used in the workplace environment, to ensure the safety of staff and the safety of workplace......
MS09 Mud Core Automatic Grinding Machine Operating Procedures
MS09 Mud Core Automatic Grinding Machine Operation Procedure
1. Topic Introduction
MS09 Mud Core Automatic Grinder is a universal industrial grinding equipment with strong stability, multi-function and widely usage. Mainly used for grinding thread, step surface and groove and support custom-mad......
Surface Roughness Measurement
Surface roughness measurement Surface roughness measurement is the measure of the small, local irregularities on a surface that extend in a direction perpendicular to the mean plane of the surface. Rough surfaces generally have a much larger friction coefficient, which can cause health and safety r......
Cupola
The Crucible
Written by Arthur Miller, the Crucible is a play set in the Salem village of Massachusetts in 1692. The play’s protagonist, John Procter, is a farmer who is accused, along with other townspeople, of trying to practice witchcraft. He finds himself in the midst of the Salem witch tria......
Quenching medium
Quenching Media
Quenching is the rapid cooling of a metal part to obtain certain desired properties such as hardness. Quenching media is used to cool the metal part during the quenching process. The use of quenching media can affect the final properties of the part and must be chosen carefully to......
Key Technology of NC Machining Programming for Large Sculpture Surface Parts
Key Technologies for CNC Programming for Large-scale Sculpture Surface Part Processing
Machining of sculpture surfaces such as aircraft, ships, cars and other large-scale surface parts has been increasingly popular in the past few years. Such parts require excellent surface finish and accuracy. T......
Design and construction of large and medium-sized passenger car body pattern
Design and Construction of Bus Body Pattern
Bus is an important public transport tool, and its body shape design has always been an integral part of public transport vehicles. To ensure the safe and reliable operation of buses, its body shape design plays an important role. Therefore, the design......
Forging technology: sheet metal deep drawing die process design content
Introduction
Deep drawing is a forming process used in the manufacturing of sheet metal components which require a profile with a large depth in comparison with its width. This process involves the shaping of a sheet metal blank into a desired shape using a punch and die assembly. The punch and d......
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