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What is the function of the camshaft?
The function of the camshaft is to control the opening and closing of the valve. The working principle of the camshaft is: the constant rotation of the automobile camshaft drives the valve stem to move up and down, thus controlling the opening and closing of the valve. By changing the curve of camshaft, the valve opening and closing time can be precisely adjusted.
01
2022
/
09
What are the symptoms of the broken shift fork of the automobile gearbox
If the transmission fork of an automobile is broken, it will cause the gearbox of the automobile to be unable to operate normally. Generally, when the transmission fork of an automobile is bent or deformed, or the fork is cracked or broken, the automobile will shake, or it will be unable to shift normally.
What are the materials of the crankshaft?
Crankshaft is an important part of internal combustion engine. It is no exaggeration to say that the quality of the crankshaft directly determines the quality of the whole engine.
Effect of camshaft position sensor failure?
The engine is difficult to start or cannot be started, which means that the ignition is ineffective. This is because the camshaft position sensor can predict the ignition sequence. If there is a fault, it will naturally be difficult to start.
Status quo and development of automatic welding equipment in shipbuilding industry
The application of robot will bring revolutionary changes to ship building. With the rising labor costs, it is a general trend for shipbuilding enterprises to adopt automatic welding equipment. In the future, shipbuilding enterprises must win the market by improving shipbuilding efficiency, reducing labor costs, reducing management costs, and improving product quality.
25
2013
12
Watch the iron and steel industry in combination with CCTV programs, and take a positive view of the opportunities of Steel Union in the industry transformation
There is no need to repeat the current situation of the steel industry. As reported in the program, from January to May 2013, the crude steel output of national key steel enterprises was 320 million tons, an increase of 8% year on year, but the profit margin of sales was only 0.19%. 43% of steel plants lost money.
Bowen Battery: New Energy Strategy of BYD Pure Electric Vehicle in the Future
At present, the pure electric vehicle technology is not mature enough, and there are many shortcomings such as low cost performance, imperfect infrastructure, large energy consumption, long charging time, which still restrict its popularization.
Brief introduction to terms of technological properties of metal materials
Castability (castability): refers to the ability of metal materials to obtain qualified castings by casting. Castability mainly includes fluidity, shrinkage and segregation. Liquidity refers to the ability of liquid metal to fill the mold. Shrinkage refers to the degree of volume shrinkage when the casting solidifies. Segregation refers to the inhomogeneity of chemical composition and structure in the metal due to the difference of crystallization sequence during the cooling and solidification process.
The trend of steel price is still unclear against the background of no favorable situation in the steel market
The bell at the end of the year is about to ring, and there are few days for the market to operate. Before the year, the trend of the steel market was either down or up or stable, and everyone had their own views. Years ago was a relatively volatile period. The operations of steel mills and steel traders will closely follow the changes of the market.