DEVELOPMENT CONCEPT
Since its establishment, the company has been taking the road of professional development, and has established long-term cooperative relations with well-known domestic auto parts manufacturers. High trust!
AUTHORITY IN THE SPRING INDUSTRY.
We have a patent certificate for springs, and have the ability to develop products together with customers. Some products can provide free samples to customers.
ACHIEVE TO SUCCESS
We have 30 years of manufacturing and R&D experience. It has passed the IATF 16969 automotive quality management system, and has more than 200 sets of professional spring equipment, which can guarantee the quality.
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After-sale service and technical assistance: company provides after sales service and technical assistance as per customers' requirement and needs with response within 24 hours.
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Wenzhou Heli Spring Manufacturing Co., Ltd. was founded in 1992. It is a high-quality spring manufacturing enterprise integrating design, production, sales and service. The current products include: compression springs, torsion springs, extension springs, auto parts springs, wire forming springs and spring sheets, etc.
Introduction of extension spring
The tension spring is a coil spring that bears the axial tension. It uses the tension after tension to store energy. After it is pulled apart, it will try to pull back to its original position, resulting in a counter force. When not bearing the load, the coils of the tension spring are tightly wound, so the tightness of the coiling of the tension spring is determined by the initial tension. Its production materials usually include stainless steel, piano steel, high carbon steel, phosphor bronze, oil tempered alloy spring steel, etc.
What are the non-metallic protective layers of the tension spring?
The paint used for the paint layer of the tension spring usually has the following types:
1. Asphalt paint
2. Phenolic paint
3. Alkyd paint
4. Epoxy paint
What is the manufacturing process of pull spring?
The manufacturing process of tension springs usually includes the following steps: First, the appropriate material is selected and processed as needed, such as drawing, cutting, polishing, etc. Secondly, according to the design requirements and size requirements, bending and winding is carried out using a spring pulling machine or by hand, so as to form the desired shape and elasticity. Finally, the pull spring is heat treated or surface treated to improve its strength and corrosion resistance, and testing and quality control are carried out.
Features of extension springs
Extension springs, also known as helical extension springs, are of equal pitch and mostly circular in cross-section. They can be used in many occasions, such as production and assembly, testing, research and development, and maintenance. Tension springs occupy an important position in the global market and are widely used in national defense, marine, computer, electronics, cars, molds, medicine, biochemistry, aerospace, railways, nuclear power, wind power, thermal power, construction machinery, mining machinery, construction machinery, elevators, etc.
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Frequently Asked Question
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The main function of tension springs is to allow for an outside force to create tension, and then use this energy to pull the components back together by reverting to its original shape. Tension springs are typically wound very tightly and are coiled closely together when at rest.
Extension springs with a high amount of tension, therefore taking a strong load to extend it. Also known as heavy duty tension springs.
The main difference is that tension springs are meant to hold two things together while compression springs are designed to keep components from coming together. While they work in opposition with each other, they are both necessary for different products.
There are many types of materials for tension springs, which can usually be selected according to factors such as the environment of use, the required elasticity and corrosion resistance. Here are some common spring materials: Steel: Steel is one of the most commonly used spring materials, has high strength and hardness, and performs well in high temperature and high pressure environments. Stainless steel: Stainless steel has excellent corrosion resistance and is often used in applications where oxidation and corrosion resistance is required. Cobalt alloys: Cobalt alloys have very high elasticity and wear resistance, and are commonly used in applications in high temperature, high pressure and strong corrosion environments. Copper: Copper spring has good electrical and thermal conductivity, and is commonly used in electronic devices, communication equipment and other occasions. Titanium alloy: Titanium alloy has light weight, high strength and excellent corrosion resistance, and is commonly used in aviation, aerospace and other fields.
The elastic coefficient of a spring is the ratio of stress to strain due to tension or compression per unit length, usually expressed in terms of elastic modulus E. The modulus of elasticity is an intrinsic physical quantity of a material and is related to the geometry of the spring and the material. The greater the elastic coefficient of the spring, the better its elasticity, and the smaller the amount of deformation per unit length.