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Disc Springs

Disc Springs
Disc Springs
Product Code : 17
Product Description

Owing to our experience and skills in the sector, we have been successfully engaged in manufacturing, supplying and exporting an extensive array of Disc Springs. Widely demanded in automotive parts, brakes & clutches, shock mounts, vibrators, dampers, hoists and machine tools, our offered range of is well appreciated in the market for unmatched performance.  We offer these Disc Springs to our clients at affordable price range.

Features

  • Durability
  • Abrasion resistance
  • Compact design

Further Details

Disc Springs are used in all types in all types of applications

  • Automotive & Engines
  • Brakes & Clutches
  • Dampers
  • Hoists
  • Machine Tools
  • Shock Mounts
  • Vibrators
  • And many more applications

Disc Springs are classified into 3 groups as given in the table: 

Group  Thickness of single disc
In mm
Single disc with Ground ends & reduced material
thickness (t')
1 less than 1.25 No
2 From 1.25 to 6 No
3 Over 6 upto 14 Yes

Thickness Tolerances:

Group t or t' (mm) Tolerance for t (mm)
1 0.2 to 0.6
>0.6 to <1.25
+0.02/-0.06
+0.03/-0.09
2 1.25 to 3.8
>3.8 to 6.0
+0.04/-0.12
+0.05/-0.15
3 >6.0 to 14.0 +0.10/-0.10

Free Height Tolerances:

Group t Tolerance for t (mm)
1  <1.25 +0.10/-0.05
+0.03/-0.09
2 1.25 to 2.0
>2.0 to 3.0
>3.0 to 6.0
+0.15/-0.08
+0.20/-0.10
+0.30/-0.15
3 >6.0 to 14.0 +0.30/-0.30

The tolerances on spring load:

Group t Tolerance for t (mm)
1  <1.25 +0.25.0 - 7.5
2 1.25 to 3.0 0.15
>3.0 to 6.0 - 7.5
3 >6.0 to 14.0 + 5.0


Symbols and Units:

Symbol  Unit  Term
De mm Outside diameter
Di mm Inside diameter
Do mm Mean diameter
E N/mm2 Modulus of elasticity
F N Spring load of a single disc
(with or without front ends)
ho mm Formed height
lo mm Free overall height of spring in its initial position
s mm Deflection of single disc
t mm Thickness of single disc
t1 mm Reduced thickness of single disc in the case of springs with ground ends (group 3)
½   Poisson's ratio
OM,ol,oil,
III,
N/mm2 Design stresses at the points designated OM, I, II, III, and IV
(see figure)
F N Relaxation

 

Group t or t' (mm) Tolerance for t (mm)
1 0.2 to 0.6
>0.6 to <1.25
+0.02/-0.06
+0.03/-0.09
2 1.25 to 3.8
>3.8 to 6.0
+0.04/-0.12
+0.05/-0.15
3 >6.0 to 14.0 +0.10/-0.10


List of Standard Materials for Disc Springs
ABBREVIATED MATERIAL   INTERNATIONAL STANDARD
NAME NO. DIN FRANCE AFNOR BRITAIN B.S. AISI USA SAE ASTM
Ck 67 1.1231 17 222 XC 68 060 A 67 1070 -0 -0
Ck 75 1.1248 17 222 XC 75 060 A 68 1080 1078 -0
50 Crv 4 1.8159 17 222 50 CV 4 735 A 50 6150 -0 -0
51 CrMo V 4 1.7701 17 221 51 CDV 4 -0 -0 -0 -0
48 CrMoV 67 1.2323 17 350 -0 -0 -0 -0 -0
X 30 WCrV 53 1.2567 -0 Z 32 WCV 5 -0 -0 -0 -0
X 22 CrMo 12 1 1.4923 17 240 -0 -0 -0 -0 -0
X 7 CrNiAl 17 7 1.4568 17 224 -0 -0 -0 -0 -0
X 12 CrNi 17 7 1.431 17 224 Z 8 CAN 17.07 -0 631 - -
AMS 5528, 5529, 5673
X 5 CrNiMo 17 12 2 1.4401 17 224 Z 12 CN 17.07 301 S 21 301    
NiCr 19 NbMo (Inconel 718) 2.4668 65 021 Z 6 CND 17.11 316S 16, 316 S 31 316 30316 A 182
NiCr15 Fe 7 TiAl (Inconel X 750) 2.4669 -0 NC 19 FeNb HR 8 AMS 5596 D
NiCr 20 Co 18 Ti (Nimonic 90) 2.4969 17 754
59 745
NC 15 TnbA HR 505 AMS 5598 A
Duratherm 600 -0 -0 NC 20 KTA 2 HR 2 2 HR 202 AMS 5829
CuBe 1.7 2.1245 17 666
17670
-0 -0 -0 -0 -0
CuBe 2 2.1247 17 666
17 670
CuBe 1.7 -0 -0 -0 -0
TiAl 6 V 4 3.7165 17 851
17 860
CuBe 1.9 2870 -0 J 461 J 463 B 194

 


INTERNATIONAL INDUSTRIAL SPRINGS

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INTERNATIONAL INDUSTRIAL SPRINGS
Plot No. A-26, Road No. 10, Wagle Industrial Estate, Thane - 400604, Maharashtra, India
Phone : +918898089282
Fax : 91-22-25824478
Mr. Lalit Manana (Sr. Marketing Manager)
Mobile : +918898089282
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