OEM ODM extension spring

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1. Spring Specification

Dimension:

1. Spring Type: Extension spring.

2. Material: high carbon spring steel; music wire; stainless steel(SUS301,302,304,316,201,202);alloy steel(60Si2MnA,55CrSi,50CrV,60SiCr8A);copper wire ,iron wire ,

3. Wire Diameter: 0.1-65.0mm

4. Surface treatment: become black, Zinc/ Nickel/Silver/Golden/Tin plated ,polishing ,anti-rust oil, passivation ,powder coating, shot blasting

5. Certification: ISO9001:2000, ROHS

6.Packing :Inner plastic bags and outer cartons ,shipping with plastic pallet

7.OEM and ODM is accepted.
Can made by your drawings, sample and dimension

9. Advantage: Good hardness, resistance, durable.

10. Payment:T/T, Western Union, Paypal.

11. MOQ: 5000pcs

12. Delivery time: 7-15 days after receiving your payment.

13. Application: Widely used in automobiles, motorcycles, electrical appliances, telecommunication, craft, toys ,locks,stationery,furiture ,washing machines,vacuum cleaners,lamps and lanterns,bicycles,sports equipment ,etc

Formula:

1) OD=ID+d (OD: outside diameter; ID=inside diameter; D_m=mean diameter; d=wire diameter)

2) F=Gd⁴*f/8D_m³N_act(F= load; G=gravity; f=deflection; N_act=active number of coil)

3) F'=F/f (F'=Spring rate)

Dimension:
Spring Type	Extension spring.
Load Type	Compression
Material	high carbon spring steel; music wire; stainless steel(SUS301,302,304,316,201,202); alloy steel(60Si2MnA,55CrSi,50CrV,60SiCr8A); copper wire ,iron wire
Wire Diameter	0.1-65.0mm
Surface treatment	become black Zinc/ Nickel/Silver/Golden/Tin plated polishing anti-rust oil passivation powder coating shot blasting
Type of Loops	Crossover Loops Double Twisted Loops Extended Loops Full Loops On the Side Full Loops Over Center Machine Full Loops Machine Half Loops Double Full Loops . Etc
form of ends	open / closed / ground or not
Certification:	ISO9001:2000, ROHS
Packing	Inner plastic bags and outer cartons ,shipping with plastic pallet
OEM&ODM	OEM and ODM is accepted. Can made by your drawings, sample and dimension
Advantage	Good hardness, resistance, durable，high fatigue strength
Payment:	T/T, Western Union, Paypal.
MOQ	5000pcs or according to your requirement
Delivery time:	7-15 days after receiving your payment.
Application	Widely used in automobiles, motorcycles, electrical appliances, telecommunication, craft, toys ,locks,stationery,furiture ,washing machines,vacuum cleaners,lamps and lanterns,bicycles,sports equipment ,etc
Formula:
1) OD=ID+d (OD: outside diameter; ID=inside diameter; D_m=mean diameter; d=wire diameter)
2) F=Gd⁴*f/8D_m³N_act(F= load; G=gravity; f=deflection; N_act=active number of coil)
3) F'=F/f (F'=Spring rate)

2. Packing

Inner plastic bags and outer cartons, shipping with plastic pallet

Q:The sound of water pipes will not produce infrasound damage to the human body?: The first look at the factory declaration materials in the building level. The second depends on the material you use sandwich panels. (Generally Caigang sandwich rock wool no problem, glass wool depends on the design requirements of the building).

Q:How is the flexible casing of the fire pond connected to the tube?: Composite tube: in a tube of the tube with more than two electrode system, each electrode system independently through the electronic flow, to achieve their own functions, this tube is called composite pipe

Q:Can the kitchen sewage pipe pass through the walls of the stove wall?: scaffolding pole base with the height must be high longitudinal bar to the lower extension of the two spans and pole fixed height difference should be 1m by slope slope of the vertical axis of the slope should be 500mm single, double Row scaffolding bottom step should be 2m single row, double row and full of scaffolding stand in addition to the top of the top step outside the other layers of each step must be connected with the fastener scaffolding pole connection, lap should be consistent with the column Provisions: the use of connecting rods should be staggered with two adjacent rods should be arranged to set the synchronization within the synchronization within the separation of the two-phase separation of the distance from the distance to 500 mm; each connected to the main node the use of lap joint lap joint should be at 1m and should be used less than 2 rotating fasteners fixed end fastener cover edge to the rod end distance should be 100mm scaffolding Pole top rail bar should be high wall end 1m should eaves mouth 15m

Q:Will metal hose be used on the wastewater treatment equipment?: Seeking architectural internship diary, at least sixty, can be a different project, a project five or six of the do not made

Q:Safety evaluation: gas pipeline and discharge pipe should not be set between the valve, what is the specification of which provisions?: 028W / MK) and enduring excellent insulation and compression performance, compressive strength up to 220-500Kpa

Q:What is the difference between a rigid sleeve and a flexible sleeve?: Apparent density of 23kg / m3 or more, the greater the density the more expensive.

Q:Is the clamp type flexible connector connected to the pipe to the rubber pad?: Construction safety inspection standards (JGJ59-2011) a total of 19 inspection items, they are 1. Safety Management 2. Civilized construction. Fastener steel scaffold 4. Door steel scaffold 5. Bowl button steel pipe scaffolding 6. Socket type plate fastener type steel scaffolding 7. Full house scaffolding 8. Suspended scaffolding 9. Attachment lift scaffolding 10. High operating basket 11. Foundation Pit Engineering. Template holder 13. High work 14. Construction electricity 15. Ingredients Red Chrysanthemum Chrysanthemum Chrysanthemum. Construction lift 17. Tower crane 18. Lifting hoisting. Construction tools hope to help you.

Q:Find a joint electronic M1.5.4 type ECU application system wiring harness and layout Thank you, anxious! The: 1.5M is the thickness of the board? If it is, in view of the large amount of concrete from the major, then the long spot of the short spot of the prisoners need to pay special training program reported to the chief engineer or expert approval, which is also the most important [template bearing capacity design calculation], proof of design Of the construction program to meet the bearing capacity of concrete to ensure that the template and its bracket should have sufficient carrying capacity, stiffness and stability, can reliably withstand the weight of pouring concrete, side pressure construction load. In recent years, because the construction of non-standard template led to the collapse of a lot of scaffolding, hope to be cited

Q:Plastic tube most afraid of what the East unitary: The best is to, otherwise the space is not in circulation,

Q:Composite pipe and flexible tube which aspects of the difference: On this basis, advanced construction and management technology, excellent technology in the continuous improvement and updating, which on the one hand also shows the construction market continues to improve

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