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2018 - 07 - 18

The technological process of helical springs refers to the process of converting spring materials into finished springs, which flow through every process in sequence. Because of the spring material, the spring type and the processing method are different, the technological procedures of the spiral spring are also different. However, their basic technological processes are coil spring heat treatment end processing surface treatment.Next, introduce several typical processes.1. manufacturing compressed spiral spring with cold drawn spring steel wireFor the lathe coil spring, after the winding spr...

Summary of spring parameters and symbols (Part 2)

2018 - 08 - 01

The basic spring parameters of the spring:1. Spring wire diameter D: wire diameter of spring.2. The outer diameter of the spring D2: the maximum outer diameter of the spring.3. The inner diameter of the spring D1: the smallest outer diameter of the spring.4. The middle diameter of the spring is D: the average diameter of the spring. Their calculation formula is: D= (D2+D1) +2=D1+d=D2-d5, pitch T: except for the support ring, the distance between the two adjacent circles of the spring corresponds to the axial distance on the middle diameter of the spring, and is expressed by t.6, effective circ...

Inspection content and specification for spring parts(part 1)

2018 - 08 - 15

1, Test classificationA) First inspection;B) Quality consistency check.2, A spring group of groupsThe spring shall be inspected according to the batch. Each batch shall consist of the same material specifications, grades, melting furnace numbers and springs made under the same technological conditions.3, First test3.1 The inspection of the production of the spring first piece must be carried out according to the test or inspection items specified in the drawings, and the determination of qualified and unqualified shall be made. 3.2 The first piece of spring must be checked and recorded in...

Production of spring

2018 - 08 - 28

Vibration damping spring is a commonly used elastic element

2018 - 09 - 11

Vibration damping spring is a common elastic component, which is widely used in various vibration equipment and automobile manufacturing industries. It has the advantages of good stability, low noise, good isolation effect and long service life.Compression springs, rubber springs, composite springs, air bag springs are vibration - reducing springs.Vibration damping spring can be divided into: wire compression spring, rubber spring, compound spring, rubber air spring, etc.Steel wire compression spring is a spiral spring under pressure, it USES the material section is mostly circular, also USES ...

The difference between three common springs

2018 - 09 - 22

Spring is a kind of elastic element widely used in the mechanical and electronic industries. Spring can produce greater elastic deformation when loaded, and convert mechanical work or kinetic energy into deformation energy. After unloading, the deformation of spring disappears and returns to its original state, and the deformation energy is transformed into mechanical work or kinetic energy.The ratio of load and deformation of the spring is called spring stiffness. There are many kinds of springs. They are used in various fields. According to the deformation condition, they can be divide...

The Standing treatment of the spring

2018 - 10 - 09

1. The standing treatment of the compression spring is to compress the spring to the working limit height or to tighten the height several times, usually 3 to 5 times;For the stretching spring, the length of the spring is drawn to the working limit several times;Torsion spring, is the spring in the working direction of the 5522 for the ultimate torsion Angle several times.2. Strong pressure (strong tension and strong torsion) treatment for compression spring is to press the spring into the material layer and the stress exceeds the yield point, resulting in negative residual stress on the surfa...

Spring-shot technology requirements

2018 - 10 - 19

1、 preparation before peening1) the size and surface roughness before spring-shot blasting should meet the requirements of the pattern, except for special instructions (if it is necessary to reprocess the shot blasting surface).2) the spring shall complete the prescribed heat treatment before shot peening.3) the non-destructive test of the spring shall be completed before the shot peening treatment, or after the shot peening if there is special requirement.4) the surface of the spring to be sprayed should be clean, dry and free of oil.2、 treatment after shot peening1) the heating temperature o...

Coil extension, torsion spring manufacturing

2018 - 11 - 02

Cylindrical spiral spring structureThere are three types of cylindrical spiral spring:1. Cylindrical spiral compression spring1) spacing between springsLet the spring's pitch be p;The diameter of the spring wire is d;In the free state, there should be proper spacing between the circles.In order to make the spring still maintain a certain elasticity after compression, it is also necessary to ensure that there is a certain gap of 1 between each circle under the maximum load.The size of lens 1 is generally recommended to be: in addition 1=0.1d or greater than 0.2mm2) dead circleThe two ends o...

NEW INFORMATION / More

Inspection content and specification for spring parts(part 3)

2018 - 07 - 28

6.1.10 detection of parallelism between ends of springs: the spring is placed vertically on the plate.The difference between the maximum and minimum values of the surface of the end ring is measured by the dial indicator. The difference between the maximum and minimum values is the parallelism deviation between the ends of the spring.6.1.11 spring straightness detection: put the spring level on the plate and roll one.Zhou, determine its maximum bending position and measure the gap between the maximum bending point and the flat plate with a feeler gauge.The measured gap is the deviation of the ...

Common specifications of spring

2018 - 08 - 09

The number of diameter length is described!(1) the diameter of the spring wire d: is the wire diameter of the spring. (2) the maximum outer diameter of the spring outer diameter D: spring. (3) the inner diameter of the spring D1: the smallest outer diameter of the spring.(4) the middle diameter of the spring D2: the average diameter of the spring. Their formula is: D2 = (D + D) = 2 = D 1 + D = D D.(5) apart from the support ring, the distance between the two adjacent circles of the spring corresponding to the axial distance of the point on the middle diameter is t:, and is expressed ...

What is the salt spray test?

2018 - 08 - 23

Salt fog refers to the dispersion system composed of salt micro droplets in the atmosphere. It is one of the three defense series of artificial environment. Many enterprise products need to simulate the destructive nature of the marine surrounding climate to the products. The salt fog test is a simulation of this phenomenon, so the test equipment, salt fog test box, came into being.Salt fog can be divided into two categories, one is natural environmental exposure test, the other is artificial accelerated salt spray environmental test. The artificial simulated salt fog environment test is a kin...

Analysis of deformation prevention measures for heat treatment of metal spring(part 2)

2018 - 09 - 07

In the heat treatment of forgings, the way of placing parts to reduce deformation is to hang them vertically as far as possible, to place them vertically at the bottom of the furnace, to support them horizontally with two points, to place the fulcrum between one-third and one-fourth of the full length, and to place them flat on the heat-resistant steel tooling.In the cooling process of parts, the types, cooling properties and hardenability of quenching medium are related to deformation. The change of cooling performance can be adjusted by changing the viscosity, temperature, liquid pressure, a...

Testing spring residual stress

2018 - 09 - 19

Spring steel wire will generate residual stress during the process of cold drawing and oil quenching and heat treatment. Moreover, spring wire is formed during the process of manufacturing and shot peening is conducted.High frequency quenching, carburizing, nitrification, etc. are used as surface hardening treatment. As a result of these treatments, residual stress will be generated in the material.The qualitative and quantitative analysis of the residual stress of the material will be an important factor to improve the fatigue properties of the spring.Residual stress of the spring is usually ...

Metal spring plays an important role in safety valve

2018 - 09 - 29

The spring relief valve is mainly composed of spool, seat, stem, spring and adjusting screw.The relief valve mainly USES spring force to press the spool on the seat.When the boiler pressure exceeds the pressure exerted by the spring on the upper part of the spool, the spool and stem are lifted and steam is discharged.When the boiler pressure is lower than the spring pressure acting on the upper part of the spool, the spool falls on the seat and the boiler stops discharging steam.The spool is a cone with a slight protrusion around the edge of the spool.When the steam opens the valve core, the e...

Definition and classification of spring steel

2018 - 10 - 16

A, definitions,Spring steel refers to the steel specially used to make spring elastic elements due to its elasticity in the quenching and tempering states.The elasticity of steel depends on its elastic deformation capacity, that is, within the specified range, the elastic deformation capacity makes it bear a certain load, and no permanent deformation occurs after the load is removed.Spring steel shall have excellent comprehensive performance, such as mechanical properties (especially elastic limit, strength limit and yield ratio), anti-elastic and anti-elastic properties (i.e. anti-elastic and...

Compression spring

2018 - 10 - 26

Most widely used, in manufacturing, the spiral wound into a separate ring, so that each ring gap (pitch), so that force contraction, to maintain tension to the two ends.When under the maximum load, it cannot be completely compressed, and the gap must be kept between effective turns to avoid friction or other material embedding, causing fatigue damage.The free length of the spring should be equal to the solid length of the spring plus the gap and the amount of deformation.To increase the contact surface of the compression spring, the surface should be ground to obtain 60~80% contact surface.Its...

Spring Design

2019 - 12 - 30

Spring design and its fabrication play an important role in manufacturing and industry around the globe. Springs come in all shapes and sizes to meet industry needs and are made from a wide range of metal alloys. Materials used for spring design and wire forming consist of high strength alloys.In general, wire formed into springs is cold rolled or drawn, and a made of medium to high carbon steel with high yield strength that allows for excellent elastic properties.Mechanical PropertiesThe mechanical principles of springs are very basic. They are an elastic component. Potential mechanical ...

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Auto wire forming Spring

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Auto wire forming Spring:

Description: CNC forming, maximum feeding error:0.05mm,wire diameter ranged from 0.08-14mm

AUTO Wire Formings and Clasps, Round, Flat and Square Wire Types are Available

•Produced by specific clasp formers

•Round wire, flat wire and square wire

•Advanced manufacturing and testing equipment

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•Applications: all kinds of cars, machines, electronic products,electric appliance, cameras, stationery, computers, power switches,miniature switches, architecture, commodity and home appliance, A/Vequipment, hardware and plastic moulds, sports equipment and gifts

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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...