Q:Want to practice how to use pectoral muscle spring expander

If your strength is not enough, a chest start even more difficult, not easy to do it.It is recommended that you should not rely solely on the chest muscle training, according to their ability, to start from the first push ups. Practice to a certain extent to practice chest.If possible, the best way is to do chest push arms parallel flexion, but more difficult.The best chest group 20, a group is appropriate.

Q:What is an independent bagged spring?

Independent bags, spring inner bladder, column spring, non-woven fabric wrapped, unique ultra quiet design, for you and your sleeping partner to create a warm sleep atmosphere.Independent bagged spring bladder, designed and manufactured by leading domestic production line, fully conforms to the Qi curve formed when maintaining human body sleep. Straight cylindrical spring, non-woven separated, effectively avoid the metal liner due to friction also belongs to the voice with humanization ultra quiet design, to create a warm atmosphere for you to sleep, and when you sleep with the move will not give you his lying position caused by any vibration, so as to ensure the quality of your sleep. Straight cylinder liner using the circular shaped spring, with extraordinary comfort and elastic stability.

Q:How should we choose the spring material?

In determining the material section, shape and size, should be preferred in the national standard and standard series size, try to avoid using non standard materials.

Q:What are the categories of springs?

The tension spring is a coil spring that bears axial tension. In the case of no load, the coil between the coil and the coil is generally tight and without gaps.

Q:What kind of production equipment does spring factory usually have?

Multi function forming machine, coil spring machine, 580 press spring machine, extension spring machine, etc.Small heat treatment is also needed

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?

Hardness is checked by indentation, not by pliers.Stainless steel, of course

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?

In determining the cross-section shape and size of spring materials, priority should be given to rejection of the national standards or ministerial standards for size specifications, as far as possible to avoid the use of non-standard specifications of materials. Although the spiral spring square or rectangular cross section material, the elastic deformation can be higher than, can make the small volume of the spring, for spring, in small space or under impact load but because of square or rectangular section material shortage, the price is higher, and the spring forming is difficult, so should be avoided. Ring section spring material diameter series see table 3-9.

Q:Is spring steel manganese steel?

With wings are not necessarily the "angel", also may be "bird". Steel not containing Mn elements is called manganese steel. Manganese steel refers to those with high strength steel, mainly used for impact, friction and extrusion, mainly wear and tear.