Q:Physics high school. Why does a spring fall to the lowest point and the acceleration a must be greater than the acceleration of gravity g ah. Seek expert

For small spheres, the energy is conserved from the free fall to the ultimate spring compression equal to the maximum value of XMgX=0.5kX^2 (this formula is obtained by integration, do not know if you have no calculus)Calculate X=2mg/k, then the lowest point is the resultant force of the ball is kX-mg=2mg-mg=mg, in the direction of acceleration, the size is exactly equal to GIf the ball is considered to fall from high, then the energy conservation before it converts the energy of the potential energy into springs is naturally more, and the acceleration of the lowest point ball is greater than g

Q:Can springs be used for support?

If there is a condition, the upper and lower parts of the spring are mounted, similar to the bearing parts, and more thoroughly separated from the gears.

Q:What is an independent bagged spring?

The characteristics of independent bagged springs is independent bagged spring each spring can be independent of support, stretching alone, completely conform to the body curve, so that all parts of the body are the best care, with ergonomic, closely supporting effect. Spring tube respectively operation, a force, not elsewhere, even if the pillow was over, it will not affect the sleeping of another, especially by adding a layer of high elastic cotton blanket and wave type sponge bed, bump by using body wave sponge flip natural movement to achieve the massage and health care enjoy the ultimate role of sleep.

Q:Is the car short spring good?

Hello! General short spring is not short, but also hard, short effect is to reduce the body, lower center of gravity, hard role is to reduce the body tilt in vehicle cornering, turn faster. The disadvantage is that the chassis is low, through the poor sex, easy to drag the site, hard on the comfort of the.

Q:How to distinguish between spring steel and stainless steel

Mainly depends on the performance of spring steel, good elasticity, stainless steel toughness. The color should be slightly white stainless steel. Spring steel is easy to rust, with a little salt a day you can see the stainless steel does not rust.

Q:Stainless steel and spring steel hardness, who is hard?

To sell the spring steel where seen relatively hard two pliers are very difficult to open

Q:I buy a spring made of 1.2mm steel wire from a hardware store that needs quenching

In general, hot bending spring coil spiral spring and disc spring of hot stamping, preferably in hot forming and quenching by the heat immediately. In this way, the heating and the decarburization degree of the spring can be omitted, and the surface quality of the spring can be improved both economically and at the same time.

Q:Spring dynamometer and spring balance what is the difference

The principle is similar, but the uses are somewhat different

Q:How to process Spring Steel

Ha ha, friend,At first I thought it was a springFirst, you want to buy hot, or annealed spring steel, the standard number is GB/1222-2007< more than and 10 grades, including you 65 and 60 Si 2 A> Meng MengI'll probably help you figure it out. There are so many processes1 turning 2 milling machine processing openings 3 heat treatmentWell, I'm going to work, tooI hope my answer is of some use to you

Q:How to choose spring steel material?

The cold plastic deformation of the cold drawn spring material is high, and most finished steel wires have reached the required mechanical properties when the steel mill is out of the factory. The surface quality of the steel wire is high, and the spring manufacturing process is simple. For springs of medium or small spring or high fatigue life, the cold spring or cold drawn spring or steel wire or strip shall be selected as far as possible. Carbon spring steel wire (group I, group II, group II A, dish group) and important uses of 65Mn spring steel wire during the cold drawing process caused in large residual stress, the larger the size change after low temperature tempering, and thus affect the dimensional accuracy of the spring. This kind of steel wire should be used preferentially for the tension spring with small bending radius and the compression spring with smaller diameter of steel wire. Oil tempered steel wire for residual stress, cold forming, precision spring is easy to control, low temperature tempering after the size change is very small, especially because there is no residual stress relaxation resistance than carbon spring steel wire lead quenching and cold drawing good. For the spring with higher size precision and the thicker diameter of spring steel and the good spring resistance, the oil quenching and tempering steel wire shall be used.