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Product features:

Products Name	steel zigzag spring for sofa and chair
Raw Material	stainless steel, spring steel, carbon steel, 65Mn, music wire
Wire Diameter	3.0~4.0mm
Surface treatment	Zinc,Nickel,Silver,Golden,Tin-plated, Galvanized (Various of color), dacromet, blackened, phosphating
Quality	High Quality
MOQ	5000pcs
MPN	10000pcs/Even higher
Factory	We have a factory

Equipments	Advanced CNC spring machinery, grinding and shot peening machinery,Precise tensile strength testers, and magnetic powder flaw detectors
Standard:	ISO, Non-standard,OEM
Certification	ISO9001, SGS certificate,ROHS report
Usage	Automotive, instrument, electrical equipment, household appliances, furniture, mechanical equipment, daily living equipment, electronic sports equipment, light industry products, sanitation machinery
Professional	We are specialized in spring products more than10 years of experience in this field
Strong Engineering Team	Accurately read drawing,offer competitive price and gurantee good qualitly products
Service	All the services/High quality service
Packing	plastic bags, boxs or pallet or customer request

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: What are the categories of springs?: A compression spring is spring under axial pressure, the material section in which are round, rectangular and is also useful multi strand steel rayon coiled spring, generally for pitch, compression spring shapes: cylindrical, conical, convex and concave and a small amount of non circular, will there is a certain gap between the ring and the ring compression spring, when subjected to external load when the spring contraction deformation, deformation energy storage.

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.

Q: What's the spring material to?: There are many kinds of spring steel, the most commonly used are 65Mn and 60Si2Mn.

Q: Can springs be used for support?: The following individual ideas do not represent the bestFriction is bound to damage,Gaskets can be used to prevent direct friction between the spring and gear to lubricate, optimize wear and prolong life.

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: The shop glass spring door is too tight, how to adjust?: It is better to ask professionals to deal with the danger!

Q: Is the car short spring good?: The factory is a hydraulic cylinder, and the damping force and the length of the expansion are matched with the length of the spring and the telescopic distance. Instead of changing the short spring will increase the load of the original vehicle hydraulic shock absorber, shock quickly destroy.

Q: The glass door spring is broken. How much would it cost to change it?: Replace the ground spring, the price of the earth spring itself, but also part of the labor costs, after all, it is very expensive. Land springs in general, if used in general, that is, about 150, but with labor costs, usually around 80. Specific prices should be based on your actual situation, you and the master speak.

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

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