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SPS-EXTENSION-SS1
DYMACHINE
SPS-EXTENSION-SSMO201
Extension Spring Applications
Applications for extension springs include automotive interiors and exteriors, garage door assemblies, vise-grip pliers, carburetors, trampolines, washing devices, farm machinery, toys as well as thousands of other uses. Extension springs come in a wide array of sizes, from small medical devices to off-road machinery brake springs.
Configurations
Loop openings are approximately one wire diameter and the direction of wind is factory optional. Dayuan Stock Extension Springs are available in both Inch and Metric designs. If exact direction of helix is required, Custom Extension Springs can be made to specification. To fit assembly functions, a multitude of hook or loop configurations may be specified. Close winding of the body provides initial tension in the spring to help manipulate the load and rate.
Extension spring ends include threaded inserts, extended twist loops, crossover center loops, hooks, expanded eyes, reduced eyes, rectangular ends and teardrop-shaped ends, which can all be produced to vary in distance from the spring body. At the design stage of custom extension springs, the length of the hooks at each end of the spring can be adjusted in order to precisely obtain the required spring load at any extended position.
Continuous Length Extension Springs are designed to be cut to desired length by the user to meet a particular load requirement. Various loops or hooks can be formed on the ends using looping pliers or other appropriate instruments; as wire size increases, use different tools including a vise to hold the coil body and a pry bar to bend up the last coil.
Another common type of extension spring is the drawbar spring. In a drawbar, the load is applied at the ends of long steel loops which pass through the spring's center and are hooked around the opposite end, thus compressing the spring upon loading. Drawbar springs are excellent for use in potential overload situations and offer a built-in definite stop that will continue to carry a static load after reaching the maximum extended length.
Key Design Parameters
✓ Dimensions
Outside Diameter, Inside Diameter, Wire Diameter, Free Length and Extended Length
The Free Length is the length of a spring in the unloaded position (measured from inside the end loops).
The Extended Length is the length at full rated extension.
✓ Spring Rate and Maximum Load
The Spring Rate is the force per unit spring deflection, such as lbs per inch travel.
The Maximum Load is the load at full rated extension.
Rich In Experience | Customer Service | OEM/ODM |
| We have very rich industry experience and are also your trusted supplier .The company has advanced production equipment and skilled front-line employees . We have obtained SO900L CEcertificates | Dedicated to strict quality control and thoughtful customer service , our experienced staff members are aways available to discuss your requirements and ensure full customer satisfaction | We can accept OEM or ODM order . Whether selecting a current product from our catalog or seeking engineering assistance for your application , you can talk to our customer service center about your sourcing requirements. |
| Laser Cutting Machine | Pipe Rolling Machine | Pipe Rolling Machine | Leveling Machine |
| Bending Machine | Rolling Machine | Sand blasting machine | Lathe Machine |
| Flame Cutting Machine | CNC Milling Machine | Drilling Machine | Drilling Machine |
| Pipe Bending Machine | Punching Machine | Sawing Cutting Machine | Spring Machine |
Yantai Dayuan Machinery Equipment Co., Ltd. was founded in November 2007, registered capital of 2 million dollars. The company is located in Lianfu street 100, Yantai, China.
We are professional in producing: heat exchangers, chemical reactors, metal parts, window louver, springs, etc.. The company production workshop of 5000 square meters, with MAG and TIG welding equipment for all Japan OTC products, spring equipment made in Taiwan CNC automatic machine tool , lathe, radial drilling machine and other machining equipment for the domestic first-class enterprise products. The heat exchanger is mainly used for lithium bromide central air conditioning equipment, detection means used for hydraulic pressure test, air tightness test, He test, X- -- ray MSLD; DAM chemical reactor for domestic leading technology; the company has the advanced technology of welding, correction, welding plane metal structure of valve control in 1mm/6M2; products used for domestic well-known refrigeration manufacturers; precision spring service in more than and 30 foreign-funded enterprises.
The Company's existing staff of more than 100 people, professional and technical personnel 15 people, more than 30 welding workers. The company attaches great importance to technical training and qualification management, all the staff are required to obtain the appropriate job qualifications. Excellent equipment, skilled operation skills, strict management, to ensure that we can provide users with satisfactory products on time.
Let us work together to create a better future.
Extension Spring Applications
Applications for extension springs include automotive interiors and exteriors, garage door assemblies, vise-grip pliers, carburetors, trampolines, washing devices, farm machinery, toys as well as thousands of other uses. Extension springs come in a wide array of sizes, from small medical devices to off-road machinery brake springs.
Configurations
Loop openings are approximately one wire diameter and the direction of wind is factory optional. Dayuan Stock Extension Springs are available in both Inch and Metric designs. If exact direction of helix is required, Custom Extension Springs can be made to specification. To fit assembly functions, a multitude of hook or loop configurations may be specified. Close winding of the body provides initial tension in the spring to help manipulate the load and rate.
Extension spring ends include threaded inserts, extended twist loops, crossover center loops, hooks, expanded eyes, reduced eyes, rectangular ends and teardrop-shaped ends, which can all be produced to vary in distance from the spring body. At the design stage of custom extension springs, the length of the hooks at each end of the spring can be adjusted in order to precisely obtain the required spring load at any extended position.
Continuous Length Extension Springs are designed to be cut to desired length by the user to meet a particular load requirement. Various loops or hooks can be formed on the ends using looping pliers or other appropriate instruments; as wire size increases, use different tools including a vise to hold the coil body and a pry bar to bend up the last coil.
Another common type of extension spring is the drawbar spring. In a drawbar, the load is applied at the ends of long steel loops which pass through the spring's center and are hooked around the opposite end, thus compressing the spring upon loading. Drawbar springs are excellent for use in potential overload situations and offer a built-in definite stop that will continue to carry a static load after reaching the maximum extended length.
Key Design Parameters
✓ Dimensions
Outside Diameter, Inside Diameter, Wire Diameter, Free Length and Extended Length
The Free Length is the length of a spring in the unloaded position (measured from inside the end loops).
The Extended Length is the length at full rated extension.
✓ Spring Rate and Maximum Load
The Spring Rate is the force per unit spring deflection, such as lbs per inch travel.
The Maximum Load is the load at full rated extension.
Rich In Experience | Customer Service | OEM/ODM |
| We have very rich industry experience and are also your trusted supplier .The company has advanced production equipment and skilled front-line employees . We have obtained SO900L CEcertificates | Dedicated to strict quality control and thoughtful customer service , our experienced staff members are aways available to discuss your requirements and ensure full customer satisfaction | We can accept OEM or ODM order . Whether selecting a current product from our catalog or seeking engineering assistance for your application , you can talk to our customer service center about your sourcing requirements. |
| Laser Cutting Machine | Pipe Rolling Machine | Pipe Rolling Machine | Leveling Machine |
| Bending Machine | Rolling Machine | Sand blasting machine | Lathe Machine |
| Flame Cutting Machine | CNC Milling Machine | Drilling Machine | Drilling Machine |
| Pipe Bending Machine | Punching Machine | Sawing Cutting Machine | Spring Machine |
Yantai Dayuan Machinery Equipment Co., Ltd. was founded in November 2007, registered capital of 2 million dollars. The company is located in Lianfu street 100, Yantai, China.
We are professional in producing: heat exchangers, chemical reactors, metal parts, window louver, springs, etc.. The company production workshop of 5000 square meters, with MAG and TIG welding equipment for all Japan OTC products, spring equipment made in Taiwan CNC automatic machine tool , lathe, radial drilling machine and other machining equipment for the domestic first-class enterprise products. The heat exchanger is mainly used for lithium bromide central air conditioning equipment, detection means used for hydraulic pressure test, air tightness test, He test, X- -- ray MSLD; DAM chemical reactor for domestic leading technology; the company has the advanced technology of welding, correction, welding plane metal structure of valve control in 1mm/6M2; products used for domestic well-known refrigeration manufacturers; precision spring service in more than and 30 foreign-funded enterprises.
The Company's existing staff of more than 100 people, professional and technical personnel 15 people, more than 30 welding workers. The company attaches great importance to technical training and qualification management, all the staff are required to obtain the appropriate job qualifications. Excellent equipment, skilled operation skills, strict management, to ensure that we can provide users with satisfactory products on time.
Let us work together to create a better future.
