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Experience identification method for rolling bearings
Experienced Identification Method for Rolling Bearings
Introduction
Rolling bearings, also known as rolling contact bearings, are important parts of modern machinery and equipment. The performance depends on their quality. Therefore, the systems in need of the rolling bearings should be required......
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Technical Standards for Centrifugal Fan Rotor Overhaul
Technical Specifications for Maintenance of Centrifugal Fan Turbine
Centrifugal fan turbine is a kind of maintenance equipment commonly used by industrial and mining enterprises. It has the advantages of energy saving, convenient installation, low noise and pollution, high thrust and large air vo......
Replacing the lower support bearing of the door operator by jacking method (4)
Door lift method for replacement of lower bearing of shaft on door machine（IV）
1. Preparation work before replacement
When the bearing position is determined and the bearing model is matched, it is necessary to prepare in advance for the replacement of the bearing at the joint. First of all, ......
Nut automatic cold heading machine technical parameters
Nuts Automatic Cold Heading Machine Technology Parameters
Abstract:Nuts Automatic Cold Heading Machine technology parameters will be introduced in this paper, covering mainly its weight, power, working speed, and other specifications.
I. Overview
A nut automatic cold heading machine is an autom......
Heavy-duty high-precision rotary center and its application on gear hobbing machine
Heavy high-precision rotary top and its application on thread rolling machine
Thread rolling machines are used to make high-precision threads by manipulating, or rolling, steel bars into various threads or grooves. To do this, the bar must be held in a steady and reliable way. Heavy high-precisio......
cetane number
Cetane number is also known as cetane index, and it’s a measure of the ignition quality of diesel fuel. This number is determined through a laboratory testing process, and the higher the number, the better the fuel quality and performance. Diesel engines will work their best with a cetane number ......
How to judge the burning tile of diesel engine
Introduction
Diesel engines are the engines of choice when it comes to powering many of the things we use in our everyday life. From cars and trucks to trains and boats, diesel power is a critical component of modern life. As such, it is important to maintain and keep your diesel engine running c......
English-Chinese Contrasting Vocabulary Commonly Used in Mold Engineering (Part 2)
Mold Engineering Terms (Part II)
Pull Back Angle：回拉角
The pull-back angle is the angle formed by the parting line and the surface of a plastic part formed in a mold.
Gates：浇口
Gates are the openings in a mold found between the sprue and the metal parts of the product. These openings allow ......
Preventive Measures for Gasoline Engine Deflagration
Prevention Measures for Gasoline Engine Combustion
Gasoline engines are widely used in automobiles and motorcycles, and the combustion of gasoline engines is one of the major sources of air pollution. From a global perspective, the emissions from gasoline engines account for a large percentage of......
Auscultate the abnormal sound of the piston connecting rod group
Listening to Piston Connecting Rod Groups Unusual Sound
Introduction
Today more and more vehicles are equipped with multiple piston connecting rod groups, which are important structures of the engine. If an unusual sound is heard from the piston connecting rod group during use, it is a signal of......
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