Search results for keyword: statistical
Various molding defects of plastic parts
Defects in Molded Plastic Components
Molded plastic components are used in a variety of products due to their light weight, low cost and ease of manufacture. They are also highly adaptable and can be designed to meet a variety of product requirements. However, molded plastic components can also h......
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Sophia
Stretching test
Tensile test
A tensile test, also known as a tension test, is a kind of mechanical test where a sample is subjected to a controlled tension until failure. It is one of the most fundamental types of mechanical tests and is used to measure many material properties, including yield strength, ultimate......
GB 12997-91 Water Quality Sampling Program Design Technical Regulations
Design Specifications of Sampling Scheme for GB 12997-91 Water Quality
Background
The Water Quality Standard (GB 12997-1991) was formulated by the Ministry of Environmental Protection of the Peoples Republic of China. This standard is applicable to water bodies such as rivers, lakes, reservoirs,......
GB/T16665--1996 Energy saving monitoring method for air compressor unit and air supply system
，要求用到GB/T16665--1996空气压缩机组及供气系统节能监测方法
Compressed air is one of the major applications of energy in many industrial enterprises. Strengthening the control and management of compressed air systems and monitoring their energy consumption is an important measure to promote energy-......
ZBJ76015.2-89 small air separation equipment performance test method
,答：
ABSTRACT
This paper presents a method of experimental testing and performance evaluation on a small scale air separation equipment. Experiments are conducted according to the design parameters of the equipment and various test scenarios are simulated to measure the performance of the equip......
Weld Groove Recognition Based on 2D Wavelet Transform and Pattern Recognition
Weld bevel recognition based on two-dimensional wavelets transform and pattern recognition
Welding is important technology for the production of many products. It is necessary to accurately identify the welding groove shape in welding engineering. The welding groove shape has an important influen......
Summary of Common Methods for Detecting NC Equipment Faults
Introduction
CNC (computer numerical control) devices play an important role in the manufacturing industry. Any problem in the CNC devices will affect the production line. To maintain and get better performance, it is important to detect the fault of CNC device as soon as possible. There are many ......
Ways to reduce the cost of electroplating
Ways to Reduce Plating Costs
Plating is often used in manufacturing and other fabrication processes to provide necessary protection or improve aesthetic qualities. Plating is a costly and labor intensive process, yet it is typically necessary for meeting the performance or the appearance standard......
Friction coefficient μ of phosphating coating
Introduction
The friction coefficient is a measure of how easily two surfaces interact with each other when moving relative to one another. Many factors contribute to the calculated value for a friction coefficient. The hardness, surface roughness, and type of material used are all important to c......
Research on Simulation Technology and Internal Quality Control of Large Forgings
Research on Simulation Technology and Internal Quality Control of Large Forge
Abstract
Forging technology is a kind of processing technology with high efficiency, good reliability and wide application, and large forgings have the characteristics of large size, complex shape, high precision and h......
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