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Lente Terminologie

NUUTSTE NUUS

cs7Kompressie Springs

  Op Super Springs, Ons maak kompressie vere met 'n draad reeks 0.2 mm tot 4.5 mm. Kompressie Springs kan wees silindriese, koniese, Barrel of kombinasie van these.We in die nuutste tegnologie CNC Lente wikkelen masjiene vir 'n vinnige produksie wat ook met … Lees verder

ds2DIE SPRINGS

Die Springs gebruik word in Dies wat gebruik word in die Plaat nywerhede, plastiek giet sterf, masjiene en verskeie ander industriële toepassings.   Die Springs word gebruik waar 'n hoë lading is dit ook met minder vaste hoogte.   Ons het Die … Lees verder

Form SpringVorm Springs

Super Springs vorm fonteine ​​met baie ontwerpe soos per kliënte vereiste. Ons het CNC lente die vorming van masjiene en CNC Wire buig masjiene te sorg van alle ontwerpe en het die vermoë om te produseer duisende Springs elke … Lees verder

torsion springTorsie Springs

Super Springs is die vervaardiging van Torsie Springs met 'n draad reeks 0.2 mm tot 3.0 mm. Torsie Springs verset teen torsie krag en word gebruik in verskeie industriële toepassings. Ons het CNC torsie Springs masjien wat ons help om in die vervaardiging van gehalte vere. Hoeke … Lees verder

Lente Terminologie

Active Coils

Those coils which are free to deflect under load. For compression springs with square ends , total no. of coils minus two is a good approximation of number of active coils.

 

Angular relationship of ends

The relative position of the plane of the hooks or loops of extension springs to each other.

 

Baking

Heating of Electroplated Springs to relieve hydrogen embrittlement.

 

Buckling

Bowing or lateral deflection of compression springs when compressed, related to slenderness ratio (L/D)

 

Closed Ends

Ends of compression springs where pitch of the end coils is reduced so that the end coils touch.

 

Closed and ground ends

As with closed ends, except that the end is ground to provide a flat plane.

 

Closed Length

See Solid height.

 

Closed Wounds

Coils with adjacent coils touching.

 

Coils per inch

See Pitch

 

Deflection

Motion of spring ends or arms under the application or removal of an external load.

 

Elastic Limit

Maximum stress to which a material may be subjected without permanent set.

 

Endurance Limit

Maximum stress at which any given material may operate indefinitely without failiure for a given minimum stress.

 

Free Angle

Angle between the arms of a torsion spring when the spring is not loaded.

 

Free Length

The overlall length of a spring in the unloaded position.

 

Frequency

The lowest inherent rate of free vibration of a spring itself(usually in cycles per second) with ends restrained.

 

Gradient

See Rate (R)

Heat Setting

Fixturing a spring at elevated temperature to minimize loss of load at operating temperature.

 

Helix

The spiral form ( open or closed) of compression, extension, and torsion springs.

 

Hooke’s Law

Load is proportional to displacement.

 

Hooks

Open Loops or ends of extension springs.

 

Hot pressing.

See Heat setting.

Hydrogen Embrittlement

Hydrogen absorbed in electroplating or pickling of carbon steels tending to make the spring material brittle and susceptible to cracking and failure particularly under sustained loads.

 

Hysteresis

The mechanical energy loss that always occurs under cyclical loading and unloading of a spring, proportional to the area between the loading and unloading load deflection curves within the elastic range of a spring.

 

Initial Tension

The force that keeps the coils of an extension springs closed and which must be overcome before the coils start to open

 

Load

The force applied to a spring that causes a deflection.

 

Loops

Coil like wire shapes at the ends of extension springs that provide for attachment and force application.

 

Mean coil diameter

Outside spring diameter minus one wire diameter.

 

Modulus in shear or torsion

 

Coefficient of stiffness used for extension and compression springs.

 

Modulus in tension or bending

 

Coefficient of stiffness used for torsion and flat springs (Young’s Modulus)

 

Moment

See Torque

Open Ends, Not ground

 

End of a compression springs with a constant pitch for each coil.

 

Open and Ground ends

 

Open ends not ground followed by an end grinding operation.

 

Passivating.

Acid treatment of stainless steel to remove contaminants and improve corrosion resistance.

 

Permanent Set

A material that is deflected so far that its elastic properties have been exceeded and it does not return to its original condition upon release of load is said to have taken a  “permanent set”

 

Pitch

The distance from center to center of the wire in adjacent active coils (recommended practice is to specify number of active coils rather than pitch)

 

Preset

See remove set.

 

Rate

Change in load per unit deflection, generally given in Kg/mm.

 

Remove set

Full compression of a spring to solid state by manufacturer when needed to prevent length loss in operation.

 

Residual stress

Stresses induced by set removal, shot peening, cold working, forming or other means.

 

These stresses may or may not be beneficial, depending on the application.

 

Set

Length loss in operation due to high stresses and thereby improve fatigue life.

 

Shot Peening

A cold working process in which the material surface is peened to induce compressive stresses and thereby improve fatigue life.

 

Slenderness Ratio

Ratio of spring length to mean coil diameter.

 

Solid height

Height of a compression spring when under sufficient load to bring  all coils into contact with adjacent coils.

 

Spring Index

Ratio of the mean coil diameter to wire diameter.
Squared and ground Ends

 

See Closed and Ground Ends.

 

Squared Ends

See Closed Ends.

 

Stress Range

The difference in operating stresses at minimum and maximum loads.

 

Stress relieve

To subject springs to low temperature heat treatment so as to relieve residual stresses.

 

Squareness of ends.

 

Angular deviation between the axis of a compression springs and a normal to the plane of the ends.

 

Squareness under load

Same as in squareness of ends, except with the spring under load.

 

Torque

A twisting action in torsion springs which tends to produce rotation, equal to the load multiplied by the distance(or moment arm) from the load to the axis of the spring body.

 

Total number of coils

Number of active coils plus the coils forming the ends.

 

Trapped Stress

See residual stress.

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