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DIN2093 Disc Spring

Disc springs are manufactured according to DIN EN 16983(Previously DIN 2093), designed for critical loading or dynamic applications.
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SUNZO SPRING  -  YOUR YOUR RELIABLE DISC SPRING MANUFACTURER


Disc springs are annular coned elements that offer resistance to a compressive load applied axially. They may be designed as single disc springs or as disc springs stacked in parallel or in series, either singly or in multiples. They may be subjected to both static and fatigue loading, and may have flat bearings.

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Sunzo Spring provide DIN2093 Metric Disc Washer Series to meet all kinds of applications, and also expand on size options base on DIN 2093 table, made to DIN manufacturing and quality specifications to provide component flexibility for product designers. Sunzo DIN2093 Disc Washers could  be made according to your requirements.


Disc spring groups

Group t With flat bearings 
and reduced thickness
1 < 1.25

No

2 1.25 ≤ t ≤6 No
3 6 < t ≤ 14 Yes


Characteristics

  • Own high stiffness and great buffer and shock absorption capacity; be able to undertake huge loads by small deformation and is suitable for the occasions where the axial space is relatively small

  • This type of spring is featured by variable stiffness and broad non-linearity. 

  • Different combination methods of the same disc springs can lead to different spring characteristics. The combination methods combing the springs with different thicknesses and plate number can also be adopted.


图纸 - 副本 图纸 - 副本 2

 Single Washer                                                                                                    Stacked in Parallel

图纸 - 副本 3 图纸 - 副本4

In Series                                                                                                       Series-Parallel



Assembling

1605179236(1)


Disc orientation when assembling, is important to guarantee a correct functioning of the stack and its long life. Basically the disc which is in contact with the edge has to be held by its outer edge. This reduces contact pressure, as the same force is acting over a bigger surface. That reduces the possibility of contact areas cracking. If the number of discs used is not even, the disc which will be held by its outer edge is the one on the side where the force is occuring.


The guide bar (internally-guided) or guide bush (externally-guided) shall be adopted as the guiding part of disc spring. Here is the table of recommended size of gaps between guiding parts and disc spring.



Tolerance


The following deviations are laid down in DIN EN 16983 (Previously DIN2093) standards:

  • Tolerances on  thickness, free overall height & spring load

Outer Dia/ Inner Dia OD ID
H12 H13 H12 H13
8 ~ 10 -0.15 -0.22  + 0.15  + 0.22
>10 ~ 18 -0.18 -0.27  + 0.18  + 0.27
>18 ~ 30 -0.21 -0.33  + 0.21  + 0.33
>30 ~ 50 -0.25 -0.39  + 0.25  + 0.39
>50 ~ 80 -0.30  -0.46  + 0.30  + 0.46
>80 ~ 120 -0.35 -0.54  + 0.35  + 0.54
>120 ~ 180 -0.40  -0.63  + 0.40  + 0.63
>180 ~ 250 -0.46 -0.72  + 0.46  + 0.72
>250 ~ 315 -0.52 -0.81  + 0.52  + 0.81
>315 ~ 400 -0.57 -0.89  + 0.57  + 0.89
>400 ~ 500 -0.63 -0.97  + 0.63  + 0.97



  • Tolerances on  thickness, free overall height & spring load

          Group                 t      t   tolerance    Ho   tolerance  F (0.75%) tolerance


             1

0.2 ≤ t ≤ 0.6 +0.02/-0.06


+0.1/-0.05


+25%/-7.5%

0.6<t<1.25 +0.03/-0.09



             2

1.25≤t≤2


+0.04/-0.12

+0.15/-0.08


+15%/-7.5%

2<t≤3 +0.2/-0.1
3<t≤3.8


+0.3/-0.15


+10%/-5%

3.8<t≤6 +0.05/-0.15
             3 6<t≤14 ±0.1 ±0.3 ±5%



Sunzo DIN2093 Disc Spring Size List click here

  • Sunzo can produce both metric disc springs and inch disc springs

  • We can also customize according to your requirement.

  • Sunzo can also provide technology service, help you design the washers.

Contact us now

Email us lucy@sunzospring.com or call us +86 152 5188 1042 (Wechat)



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SUNZO has it’s own researching and development team and test center, has participate in rule-making of the latest national industry standards and the international ISO standards for disc springs.

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