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Product Description

Description	battery leaf spring contact
Material	Steel,carbon steel, Stainless steel, Alloy steel(60Si2Mn ), Oil tempered wire or as your request
Wire Dia	at your request
Surface treatment	Nickel / Zinc / Gold / Silver / Tin / Chromium / Yellow Zinc / Oxide black or according to your needs .
Certificate	ISO:9001
Packing Detail	Inner plastic bag, outer carton box, and advised by customer
Application	Auto industry / Recreational facilities / Elevator/Mining machinery / Crusher / Oil field equipment / electronic products/recreational facilities and other machinery
Technician	>10 they have rich experience and some along with our company from setting up.
Payment terms	L/C , T/T or other payments
Advanced machine	Accurately control tolerance
Equipment	Advanced CNC computer spring machines with high precision and efficiency, high quality heat treatment and testing machine
Company information	Our company is very convenient for transportation , east of Tianjin port. It is the professional manufacturers which combine a set of spring manufacturing, R & D with surface treatment.
All the designs and details can be changed according to customers’ demands

Q: Is spring steel manganese steel?: Spring steel is not manganese steel, there are many kinds of spring steel, manganese 65 is more commonly used spring steel, as well as carbon spring steel and alloy spring steel.Manganese steel refers to the high manganese content of carbon steel structural steel.

Q: Want to practice how to use pectoral muscle spring expander: The most simple way you can lie on the bed or on the floor and chest stretching is very effective and pay attention to more, so as not to hurt the small set of muscles.It takes at least one month to bear fruit

Q: Hydraulic diagram of the one-way valve has two kinds of drawing, with a spring, without a spring, what is the difference between automatic reset function is not? Without a spring, it will not be repeated: The simplified method of drawing without springs is the same

Q: What are the categories of springs?: The coil spring, the torsion spring, is a spring that bears torsional deformation, and its working part is tightly wound into a spiral shape. The torsion spring end is made of twisted arms of various shapes rather than rings.

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: How to choose spring steel material?: Spring steel is selected on the basis of the section size of the spring, such as high carbon steel 65, suitable for production in the spring of 12 ~ 15mm under section 60CrMnA, suitable for the production of spring and the car less than 50mm in diameter with heavy-duty spring. The 30W4Cr2VA is used to make heat-resistant spring for work below 500 degrees centigrade. Generally, hot forming springs are generally quenched and tempered at moderate temperature to obtain a structure with a maximum elastic limit and fatigue properties

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: Cold rolled coil spring spring and difference ": Difference: the main annealing time is different. In the production process, is the first volume of coil spring and annealing, and spring is the first cold roll annealing, and then roll. Similar to cold rolling and hot rolling of steel.Note: spring making methodProduction method of cold rolled coil spring: to stress annealing, end surface grinding, (blast), (the whole school), (BKS), standing or forcing treatment, surface inspection and treatment.Production method of coil spring: blanking, end processing (rolled or forged flat), heating, coiling, quenching, tempering, grinding end to compression to (load test), shot peening (cleaning), coating.

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: Is the map tilted?.Look at the picture. It means that a naturally stretched spring is placed vertically and then put a mass of m at zero initial speed.If dropped to the lowest point, the speed of the object v=0, object by the acceleration of gravity g down, if not spring to give it an g greater than or equal to the acceleration, the object will continue to fall, do not conform to the original intention of "low".So the acceleration inside the spring must be greater than or equal to g.

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