Search results for keyword: measured
GB/T 3222-94 Acoustic Environmental Noise Measurement Method
，内容是GB/T 3222-94声学 环境噪声测量方法
In 1994, GB/T 3222 was released by the China National Standards on Acoustics to provide a standard method to measure sound levels in the environment. The standard was developed to meet the needs of new acoustic construction regulations in China and to reduc......
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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......
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......
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......
Rolling bearing residual magnetic technical conditions
Scroll Bearing Residual Magnetic Technology Condition
The rolling bearing is the most important part of the modern mechanical basic parts. Its quality directly affects the accuracy of the device, the service life and the stability of the machine. According to statistics, due to the accident cause......
How Laser Measuring Instruments Work
The Working Principle of Laser Measurement Instrument
Laser measurement instruments are used to measure various parameters such as distance, velocity, angle and force. They are commonly used in applications such as engineering, surveying and construction. The working principle of these instrument......
Laser Length Measurement Technology
Introduction
Laser measurement technology has been increasingly used in manufacturing and inspection in recent years. Laser measuring technology is accurate and simple to use and is ideal for measuring the length of objects or 3D scanning of objects that require greater accuracy than manual measu......
angle measurement
ANGLE MEASUREMENT
Angle measurement is the practice of measuring the flow and degree of a particular angle. This can be done using various methods and techniques, typically involving the use of either a ruler or a protractor.
Rulers are the more commonly used tool for angle measurement. This type......
Industry standard for automation instruments and devices
Automation Instrumentation and Devices Industry Standard
Automation instrumentation and devices are an essential part of modern industry. Automation instrumentation and devices provide a reliable, easy to use platform for monitoring processes and controlling equipment. Automation instrumentation ......
Manufacturing method and delivery status of seamless steel pipes for high-pressure chemical fertilizer equipment (GB 6479-2000)
GB 6479-2000
Seamless Steel Pipes for High Pressure Fertilizer Equipment Manufacture and Delivery State
This standard deals with the seamless steel pipes that are used in high pressure fertilizer equipment, specifying the requirements and delivery states of the pipes.
1. Scope
This standard spe......
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