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Which industry is the main application of spring?

2018 - 07 - 25

1, matching springs and springs based on automobiles, motorcycles, diesel engines and gasoline engines. This type of spring has valve spring, suspension spring, damping spring and clutch spring, etc., with a large amount, which accounts for about 50% of the spring production. At the same time, the technical level is also high, it can be said that the technical level of these springs is representative, they are mainly to the high fatigue life and high anti relaxation direction, thus reducing the quality. 2. Large springs and plate springs, which mainly include railway rolling stock, heavy ...

Each of these types can be further characterized.

2018 - 08 - 06

We can look at the relationship between the force applied to a spring and its resulting displacement. Again, there are three classes of springs: linear (or constant rate) springs, variable rate springs, and constant force springs. Linear springs Linear springs obey Hooke’s Law (F=k*x), which means that the force needed to extend or compress such a spring by distance x is proportional to the distance, as long as the force doesn’t exceed the elastic limit of the spring. Torsion springs obey an analogous version of Hooke’s Law (F=k*θ, where θ is an angle). In both cases, k is the spring rate, and...

Inspection content and specification for spring parts(part 6)

2018 - 08 - 17

8, detection of fatigue property and relaxation rate of spring8.1 spring fatigue performance testing requirements: the spring that bears the variable load is in the internal quality of the enterprise.Quantity control, user inspection, new product certification, certification, industry sampling and process adjustment.In the ring section, the fatigue performance must be tested. The testing method can be tested by fatigue life testThere are two kinds of certificate test or reliability evaluation test, but they are classified and certified for products.Reliability evaluation test must be adopted t...

Steps of hardware spring pressure test

2018 - 09 - 03

The spring pressure test of metal springs usually uses electronic digital spring tension and compression testing machine. Electronic digital spring tension and compression testing machine is a special instrument for testing the deformation and load relationship characteristics of tension and compression springs. It is suitable for testing the working load of the tension and compression spring under a certain working length, and also for testing the elastic load of elastic devices such as rubber and spring.The pressure test of metal springs is generally divided into the following steps:1. Compr...

Study on factors influencing decarburization of 55SiCr surface of spring steel during heating

2018 - 09 - 14

55SiCr is the high-grade steel used for automobile suspension springs. The suspension springs bear the reciprocating compression motion in the process of automobile driving, and play the role of buffer and shock absorption, which has high requirements on the performance of steel.Decarburization is one of the main problems in the hot processing of spring steel. Decarburization of spring steel surface will seriously damage the fatigue performance of spring, especially when the total decarburization of ferrite occurs on spring steel surface, the fatigue limit of spring can be reduced by 50%.At pr...

Spring material selection method

2018 - 09 - 26

The selection of spring material shall be determined according to the properties of the spring bearing load, stress state, stress size, working temperature, environmental medium, service life, requirements for conducting and magnetic conductivity, technical performance, material source and price, etc.When determining the shape and size of the material section, the series sizes specified in the national standards and ministerial standards should be selected first, and non-standard series of materials should be avoided as far as possible.Medium and small-sized springs, especially spiral-tension ...

Type of paint used on spring surfaces

2018 - 10 - 11

Type of paint used on spring surfacesThe oxidation treatment of the spring (also known as bluish, blackened, cooked black, etc.) is mainly used to prevent the corrosion of the spring, and also to make the spring appearance bright.Oxidation treatment methods include: alkaline oxidation, alkali free oxidation and electrolytic oxidation.Spring oxidation treatment is often alkaline oxidation treatment, in the presence of oxidants (such as sodium nitrite) in caustic sodium solution.As the solution approaches the boiling point, the iron on the surface of the spring dissolves and forms sodium ferrite...

Surface treatment of springs

2018 - 10 - 22

The corrosion of spring can be divided into chemical corrosion and electrochemical corrosion according to the type of reaction.They are the result of changes in the metal atoms on the surface of the spring or the loss of electrons to an ionic state.If the metal on the surface of the spring simply reacts with the surrounding medium, and the spring causes corrosion, it is called chemical corrosion.For example, the spring is oxidized in the particularly dry atmosphere to form an oxidation film, and the spring is chemically changed with the liquid or impurity in the non-electrolyte liquid, which i...

THE APPLICATION OF COMPRESSION SPRING

2019 - 12 - 11

A compression spring comes in many configurations, shapes and sizes. They are conical, hourglass and barrel of varying lengths—and can be used as a shock absorber, vibration damper, a pure energy accumulator, or force generator. Because of their versatility, how efficiently they store energy and the multiple shapes in which they can be manufactured, these types of mechanical springs have a wide selection of applications.In the automotive industry, compression springs are used throughout the vehicle. In the medical applications , compression springs are used as parts in assemblin...

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Inspection content and specification for spring parts(part 4)

2018 - 07 - 30

7. Detection of the characteristics of cylindrical helical spring7.1 detection of the characteristics of tension and compression springsThe characteristics of the characteristic tensile and compression springs of the 7.1.1 spring should be in accordance with the characteristics of the spring. Under the load of the specified height (or length), the deformation of the spring should be between the 20%~80% of the deformation amount under the test load, and when the I class precision is required, the deformation of the spring should be above 4mm at the specified height load. It should be between 30...

How much do you know about the cleaning of stainless steel springs？

2018 - 08 - 10

Stainless steel spring general precautions when washing, please pay attention to no surface friction to avoid the use of bleaching components and washing liquid containing abrasives, steel ball, grinding tools, etc., in order to remove the washing liquid, washing the end, rinse the surface with clean water.Surface state and washing methodDust and scaling - wash with soap or warm water.Label and film - scrub with warm water and weak detergent.Binder ingredients - use alcohol or organic solution;Fat, oil, lubricating oil contamination - with soft cloth or paper after drying with a neutral deterg...

Each of these types can be further characterized.

2018 - 08 - 24

We can look at the relationship between the force applied to a spring and its resulting displacement. Again, there are three classes of springs: linear (or constant rate) springs, variable rate springs, and constant force springs.Linear springsLinear springs obey Hooke’s Law (F=k*x), which means that the force needed to extend or compress such a spring by distance x is proportional to the distance, as long as the force doesn’t exceed the elastic limit of the spring. Torsion springs obey an analogous version of Hooke’s Law (F=k*θ, where θ is an angle). In both cases, k is the spring rate, and i...

Strengthening technology of spring

2018 - 09 - 08

(1) heat treatment technology for strengthening springs.1) protective atmosphere heat treatment. In our country, protective atmosphere heat treatment is adopted in spring, oil quenched and tempered steel wire and toughened steel whose wire rod is less than 15mm. Heat treatment in protective atmosphere can remove surface decarbonization and oxidation and improve the surface quality of materials.2) induction heating or protective atmosphere induction heating heat treatment. This process is usually carried out on the wire before forming the coil spring. Some spring factories combine heat treatmen...

Basic knowledge of spring compression amount of die

2018 - 09 - 20

The purpose of mold spring is to take off material, press material, the strength of the spring, which is related to whether the mold production is smooth, whether the product is qualified.Spring force is small, may cause the product to be out of shape, the mold does not take off the material, the product is bad to take out from the mold inside, the belt material, the knife edge, punch easy to wear and so on each kind of question.Mold spring according to different production times, compression amount selected, the larger the spring life, the shorter die life, of course, the broken spring can be...

Proper use of the spring

2018 - 09 - 30

Please avoid the improper way of using (1) more than the use of the maximum compression (300000 back to the conditions, after a close with the use of a long) stress causing the wreck, close to close with the use of a long, can make the spring line department gradually close to that, because of the high spring constant change caused by load curve with high, nearly and produce high stress to make spring break, please do not use more than 300000 times.The use of the spring without prepressure due to the gap caused the spring up and down vibration caused the spring distortion, if there is prepress...

Wash the stainless steel surface

2018 - 10 - 17

Washing method according to the surface state:General considerationsWhen washing, please pay attention not to scratch the surface to avoid using the bleaching ingredients and the cleaning solution containing abrasive agent, steel ball (brush roller ball), grinding tools, etc. In order to remove the cleaning solution, wash the surface with clean water at the end of washing.Surface condition and washing methodDust and dirt are washed with soap, a mild detergent, or warm waterLabel and film with warm water, weak detergent to scrubThe binder ingredient is alcohol or organic solutionUse a mild clot...

Extension spring

2018 - 10 - 29

Each circle is formed into a tightly closed spiral ring or a pitch ring, which extends outwards when subjected to external forces and maintains a force of contraction towards the middle.There are many kinds of spring hooks: English hook, German hook, earring hook, fishtail hook, etc.(1) free length: (a) total length, (b) total length of the ring, and (c) length inside the hook ring.(2) control diameter :(a) outside diameter, (b) inside diameter, (c) inside diameter of casing.(3) steel wire size "wire diameter".(4) materials (type, grade).(5) winding number :(a) total winding number a...

The passivation process for springs

2019 - 12 - 30

1、What is Passivation?As a post-fabrication method, passivation is intended to maximize the natural corrosion resistance of stainless steel. Stainless steel is a steel alloy that contains a minimum of 10.5% chromium content by mass and along with a number of other alloys. When stainless steel is newly formed it needs to be cleaned of lubricants, oils, greases and other substances used in its fabrication. Once the steel has been cleaned it must be passivated. Passivation is a process that treats metal surfaces with an acid solution to make the surface corrosion resistant.Passive to atmospheric ...

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Precision Compression spring

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Date of listing： 2018-11-01

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Precision Compression spring：

Description: wire diameter ranged from Φ0.03-Φ14mm, minimum spring convolution: 2.7

Various materials: music wire, carbon wire, stainless steelwire, copper, beryllium copper wire, and more

Pitch changeable

Spring diameter changeable Applications: all kinds of cars,machines, electronic products, electric appliance, cameras,stationery, computers, power switches,miniature switches,architecture, commodity and home appliance, A/V equipment, hardware and plastic molds, sports equipment and gifts

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Vibrating shock absorber compression spring for motor

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13

Constant force spring, or “clock” spring, is a roll of prestressed strip which exerts a nearly constant restraining force to resist uncoiling. The force is constant because the change in the radius of curvature is constant. Such applications as brush springs for motors, counterbalance springs for window sashes and carriage return springs for typewriters. Constant force motor springs are used to drive mechanisms for timers, movie cameras and cable retractors.Constant force spring also known as coil spring helix in a plane of the spring, Spring is the material wound into a plane of the spiral of a spring, the spring is fixed at one end, the other end of the material after acting torque bending torque, bending elastic deformation, so the spring in its own plane to p...

Compression Springs

2020 . 01 .

13

A compression spring is an open-coil helical spring that offers resistance to a compressive force applied axially. They are usually coiled at a constant diameter, though they can be coiled in other needed forms such as conical, concave (barrel), convex (hourglass), or various combinations of these. Compression springs are used to resist force and/or store energy,1、CharacteristicsBy far the most widely used type of spring, compression springs are designed to oppose compression and return to its uncompressed length when the applied force is removed. 2、Service LifeIt should be noted that if critical force-versus-deflection linearity is required, only the center 60-80% of the available deflection range should be employed.Thus, reserve at least the first and last 15-20% of t...

Spring wire materials

2020 . 01 .

06

When choosing the right spring, selecting the best spring wire is a critical before manufacturing. Below are some of the most common spring wire materials and their unique characteristics .Stainless Steel SpringsStainless steel springs have low-stress relaxation and resist corrosion. They have good strength at moderate temperatures and are resistant to heat. Extension springs are most commonly made from stainless steel.Extension springs absorb energy and provide resistance to pulling. As the name suggests, an extension spring stretches as a load is applied to it. Applications for extension springs include carburetors, trampolines and farm machinery.Oil Tempered Spring WireOil tempered wire is cold drawn and heat treated before plating. Ideal as a general purpose spring wire, it is often us...

Compression spring,torsion spring,extension spring,wire forming spring

2020 . 01 .

06

springs are a mechanical part that use elasticity to work. Generally made of spring steel. It is widely used in machines and instruments to control the movement of machine parts, mitigate impact or vibration, store and store energy, measure force, etc.The spring is just an accumulator, it has the function of storing energy, but can not release the energy slowly, to achieve the release of this function should rely on the 'spring + large transmission ratio mechanism' to achieve, common in the mechanical table.The spring is widely used in the mechanical and electronic industry. The spring can produce a large elastic deformation under load and convert mechanical work or kinetic energy into deformation energy. After unloading, the spring's deformation disappears and returns to its o...