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Standard Disc Springs / DIN 2093 Group A

56.00*28.50*3.00*4.30

CENTURY_SPRING model reference: CDM-562930 · CENTURY-DISC-SPRINGS-2014 · locator 18

CHRISTIAN_BAUER model reference: 104 818 · CB-DISC-SPRINGS-0611 · locator 161

MUBEA model reference: 18 0057 · MUBEA-MANUAL-2023 · printed p.66 (PDF p.68)

SCHNORR model reference: 015100 · SCHNORR-HANDBOOK-EN · locator 92

SOLON model reference: SDS 56x28.5x3 · SOLON-BELLEVILLE-CATALOG · locator 52

SPIROL model reference: DSC 56 x 28.5 x 3 WR · SPIROL-DISC-SPRINGS-2026 · locator 15

Dimensions, standards and downloadable engineering files are generated from published product data.

Made to order
SPECIFICATION

Product data

Open calculator →
Outside diameter De
56.00 mm
Inside diameter Di
28.50 mm
Product thickness t
3.00 mm
Free height l₀
4.30 mm
Cone height h₀
1.30 mm
Standard
DIN 2093
Material / surface treatment
51CrV4 Spring SteelZinc phosphate and oil · Cold presetting / scraggingERP: 56.00*28.50*3.00*4.30-T-H1.30-51CRV4-PHOSPHATE_OIL-PS60Si2MnAZinc phosphate and oil · Cold presetting / scraggingERP: 56.00*28.50*3.00*4.30-T-H1.30-60SI2MNA-PHOSPHATE_OIL-PS
Temperature
-50 300 °C
ENGINEERING FILES

CAD / DXF / STEP

Repository CAD · direct download
56.00*28.50*3.00*4.30 DXF and DWG engineering drawing previewOpen full drawing preview
DWG56.00*28.50*3.00*4.30 DWG CADJH-DS-56.00-28.50-3.00-4.30-P329-EN-R10.dwg · 49 KB
Download
DXF56.00*28.50*3.00*4.30 DXF CADJH-DS-56.00-28.50-3.00-4.30-P329-EN-R10.dxf · 125 KB
Download
STEP56.00*28.50*3.00*4.30 STEP CADJH-DS-56.00-28.50-3.00-4.30-P329-R10.step · 21 KB
Download
STL56.00*28.50*3.00*4.30 STL CADJH-DS-56.00-28.50-3.00-4.30-P329-R10.stl · 1.6 MB
Download
ENGINEERING OVERVIEW

Candidate decision overview

Data version 3
GEOMETRY CONTRACT

Conical profile

Bearing surfaces
No
Tolerance grade
See dossier / confirm

Special surface parameters must be reviewed against the released drawing; the profile name alone is not a complete geometry definition.

EVIDENCE COVERAGE
Manufacturer curve / stress6Polysplendid calculations1Resolved standards2Inspection dossier1Approved product FEMNot public

A missing FEM record is not evidence of failed validation. It means no approved product-level study is public on this page.

CF-07 · PROCESS CARD LIBRARY

Manufacturing process cards

4 material route(s)

Each material and supplied-surface identity has its own database-driven workbook and PNG preview. A review or blocked status is not a production release.

50CrVA process-card preview
V46 · R04

50CrVA

BLACK_OXIDE

CONTINUOUS_DIE_FORM+LOW_ALLOY_QT+NO_SUPPORT_FACE+STRONG_PRESS+BLACK_OXIDE

Blocked — not for production

Download Excel · 20.7 kB
51CrV4 process-card preview
V48 · R04

51CrV4

PHOSPHATE_OIL

CONTINUOUS_DIE_FORM+LOW_ALLOY_QT+NO_SUPPORT_FACE+STRONG_PRESS+PHOSPHATE_OIL

Blocked — not for production

Download Excel · 20.4 kB
60Si2MnA process-card preview
V47 · R04

60Si2MnA

BLACK_OXIDE

CONTINUOUS_DIE_FORM+LOW_ALLOY_QT+NO_SUPPORT_FACE+STRONG_PRESS+BLACK_OXIDE

Blocked — not for production

Download Excel · 20.6 kB
60Si2MnA process-card preview
V19366 · R04

60Si2MnA

PHOSPHATE_OIL

CONTINUOUS_DIE_FORM+LOW_ALLOY_QT+NO_SUPPORT_FACE+STRONG_PRESS+PHOSPHATE_OIL

Blocked — not for production

Download Excel · 20.6 kB
APPROVED SOURCE DATA

Manufacturer engineering data

6 traceable datasets

Loads, stresses, thousand-piece weights and curves retain their manufacturer, source version, page/worksheet, material and temperature condition. A catalog value is an engineering reference unless the inspection dossier separately identifies an approved acceptance tolerance.

Century Spring / MW Industries CDM-562930Manufacturer catalog curve
Source
Century Spring Precision Disc Springs / 2014-01
Location
page 18
Material
AISI C1075 or AISI 6150 carbon/alloy steel
Temperature
Not stated - not assumed
Curve scope
four_point_curve / loading
1000-piece weight
25% h: 0.3277 mm, 4443.773 N50% h: 0.6579 mm, 8464.966 N75% h: 0.9855 mm, 12197.024 N100% h: 1.3157 mm, 15786.739 Ns (mm)F (N)
Published source points only; no interpolation.
Points/h0s (mm)F (N)σ1 / σII (MPa)σ2 / σIII (MPa)σ3 (MPa)σOM (MPa)
25% h0.2500.32774,444434
50% h0.5000.65798,465841
75% h0.7500.985512,1971,351
100% h1.0001.315715,7871,924
Christian Bauer GmbH + Co. KG 104 818Manufacturer workbook calculation
Source
Christian Bauer cb_cV4 Product List / local reference edition
Location
Liste row 159
Material
Not stated in this source table
Temperature
Not stated - not assumed
Curve scope
single_point / loading
1000-piece weight
Points/h0s (mm)F (N)σ1 / σII (MPa)σ2 / σIII (MPa)σ3 (MPa)σOM (MPa)
75% h00.7500.975011,440
Mubea 18 0057Manufacturer calculation workbook
Source
Disc Spring Calculation Program 032 / 032
Location
Standard row 141
Material
Not stated in this source table
Temperature
Not stated - not assumed
Curve scope
four_point_curve / loading
1000-piece weight
42.979 kg
25% h0: 0.325 mm, 4142 N50% h0: 0.65 mm, 7895 N75% h0: 0.975 mm, 11388 N100% h0: 1.3 mm, 14752 Ns (mm)F (N)
Published source points only; no interpolation.
Points/h0s (mm)F (N)σ1 / σII (MPa)σ2 / σIII (MPa)σ3 (MPa)σOM (MPa)
25% h00.2500.32504,142747371404
50% h00.5000.65007,8951,441795775
75% h00.7500.975011,3882,0801,2741,110
100% h01.0001.300014,7522,6661,8061,412
SCHNORR GmbH 015100Manufacturer catalog summary
Source
Schnorr Disc Springs Handbook / source copy in project archive
Location
page 92
Material
Not stated in this source table
Temperature
Not stated - not assumed
Curve scope
summary_only / loading
1000-piece weight
41.570 kg

This source table publishes a summary (weight and/or σOM) but no displacement-load points; no curve has been invented.

Solon Manufacturing Co. SDS 56x28.5x3Manufacturer catalog point
Source
Solon Belleville Springs Washer Catalog / local reference edition
Location
page 52
Material
50CrV4 (AISI 6150 equivalent)
Temperature
Not stated - not assumed
Curve scope
single_point / loading
1000-piece weight
Points/h0s (mm)F (N)σ1 / σII (MPa)σ2 / σIII (MPa)σ3 (MPa)σOM (MPa)
catalog listed operating point0.9961.295014,751
SPIROL International Corporation DSC 56 x 28.5 x 3 WRManufacturer design calculation
Source
SPIROL Disc Springs / 2026
Location
page 15
Material
Alloy Steel
Temperature
Not stated - not assumed
Curve scope
five_point_curve / loading
1000-piece weight
15% h0 preload: 0.2 mm, 2539 N25% h0: 0.33 mm, 4142 N50% h0: 0.65 mm, 7895 N75% h0: 0.98 mm, 11388 N100% h0 / flat: 1.3 mm, 14752 Ns (mm)F (N)
Published source points only; no interpolation.
Points/h0s (mm)F (N)σ1 / σII (MPa)σ2 / σIII (MPa)σ3 (MPa)σOM (MPa)
15% h0 preload0.1540.20002,539216247
25% h00.2540.33004,142371404
50% h00.5000.65007,895795775
75% h00.7540.980011,3881,2741,110
100% h0 / flat1.0001.300014,752-1,565
STANDARD DOSSIER

Resolved standard requirements

35 resolved items
PS/DS-G01-2026Polysplendid disc-spring engineering recommendations (non-mandatory)
Series A · Group 2 · without bearing surfaces
ProductRecommended edge-radius range (enterprise drawing rule)

t产品 / 6 ≤ R ≤ t产品 / 5;product limits 0.5–0.6 mm;product recommendation 0.5 mm;Use actual product thickness: t for plain T products and t-prime for reduced TP products. CAD defaults to the lower bound while drawings expose the full recommended range.

Disc Spring Contact Surfaces · Machinery's Handbook 31st, p.390(厂商经验转述)
ProductPolysplendid default working-deflection range

0.2–0.75 h0;product limits 0.26–0.975 mm

聚辉推荐 DS-G01 · Mubea 2023 manual PDF 27;SPIROL deflection-range white paper
ProductNormal parallel-stack count recommendation

1–4

3.10 Spring stack design · Mubea Disc Springs Manual 2023, PDF 24
ProductSeries-stack limit for standard fatigue-chart evidence

See requirement data

10.2.2 · DIN EN 16983 page 18(PDF 20)
ProcessGuidance and stack lubrication

按温度、介质和寿命选择油、脂、含二硫化钼膏或固体润滑;不得把未润滑摩擦忽略

guidance / lubrication / friction · Mubea 2023 manual PDF 25, 28~31;Christian Bauer theory PDF 17
ProductGuidance preference

优先内导柱;空间或结构要求时使用外导套;低迟滞需求评估自定心结构

C.1 / 3.10 · GB/T 1972.2 附录 C;Mubea 2023 manual PDF 24~25
ProductGeometry triggers for enhanced analysis

De/Di=1.964912,De/t=18.666667,within simplified-geometry range

3.9 Special cases · Mubea Disc Springs Manual 2023, PDF 21
DIN EN 16983:2017-09Disc springs — Quality specifications — Dimensions
Series A · Group 2 · without bearing surfaces
ProductDisc spring group 2

2

Table 2 · EN 16983 pages 6~7(PDF 8~9)
ProductDimension series A

A

Table 3 · EN 16983 pages 6~7(PDF 8~9)
ProductStandard spring steel requirement

EN 10083 / EN 10089 / EN 10132-4 MPa

5 · EN 16983 page 7(PDF 9)
ProcessGroup 2 manufacturing and surface finish

冲压/精冲、冷成形、内外径加工、边缘倒圆

Table 7 · EN 16983 page 11(PDF 13)
ProductThickness tolerance

deviation -0.12 / +0.04 mm;product limits 2.88–3.04 mm

Table 8 · EN 16983 page 13(PDF 15)
ProductOutside diameter h12 tolerance

deviation -0.3 / 0 mm;product limits 55.7–56 mm;h12

8.1 / ISO 286-2 · EN 16983 page 12(PDF 14)
ProductInside diameter H12 tolerance

deviation 0 / +0.21 mm;product limits 28.5–28.71 mm;H12

8.1 / ISO 286-2 · EN 16983 page 12(PDF 14)
ProductFree-height tolerance

deviation -0.1 / +0.2 mm;product limits 4.2–4.5 mm

Table 9 · EN 16983 page 13(PDF 15)
ProductTest-load tolerance

deviation -7.5 / +15 %;test position 0.75 h0

Table 10 · EN 16983 pages 13~14(PDF 15~16)
ProductCoaxiality tolerance

0.6 mm;2 × IT12

8.1 / ISO 286-2 · EN 16983 page 12(PDF 14)
InspectionGroup 2 / series A minimum unloading-force ratio

See requirement data

Table 11 · EN 16983 page 15(PDF 17)
ProductGroup 2 hardness

42–52 HRC

7.2 · EN 16983 page 11(PDF 13)
ProductRecommended total clearance for guide pin

0.5 mm;recommended guide pin diameter 28 mm

Table 12 · EN 16983 page 15(PDF 17)
ProductRecommended total clearance for guide sleeve

0.8 mm;recommended guide sleeve bore 56.8 mm

Table 12 · EN 16983 page 15(PDF 17)
ProductGuide component surface requirement

See requirement data

12 · EN 16983 section 12, page 21(PDF 23)
ProcessPresetting

2 × test load;压至平位后复核自由高度与检测负荷

7.4 / 8.4.2 · EN 16983 pages 12, 14(PDF 14, 16)
ProcessSurface quality and edges

无影响性能的斑疤、裂纹、锈蚀;边缘倒圆或去毛刺

7.5 · EN 16983 page 12(PDF 14)
ProcessSurface treatment and corrosion protection

phosphated and oiled

7.5 · EN 16983 page 12(PDF 14)
ProcessShot peening

recommended for dynamic duty where fatigue-life improvement is required;process agreement required

10.2.2 · EN 16983 page 20(PDF 22)
InspectionDecarburization depth

product maximum depth 0.09 mm

7.2 · EN 16983 page 11(PDF 13)
ProductStatic calculated stress limit

See requirement data

10.1 · EN 16983 page 17(PDF 19)
ProductMinimum preload for dynamic duty

0.15–0.2 h0;product limits 0.195–0.26 mm

10.2.1 · EN 16983 page 18(PDF 20)
ProductRelaxation and operating-temperature note

Consult the manufacturer above 100 °C for material, stress and relaxation requirements

9 / Figures 3–4 · EN 16983 page 17(PDF 19)
InspectionTest-load method

test position 0.75 h0;硬化、磨削并抛光的压盘;使用适合润滑剂

8.4.1 · EN 16983 page 13(PDF 15)
InspectionDimensional inspection method

按标准约定的量具、压盘及测量条件执行

8 · EN 16983 pages 13~14(PDF 15~16)
InspectionHardness test method and location

See requirement data

11.3 · EN 16983 page 21(PDF 23)
BatchBatch sampling and acceptance

Acceptance inspection according to EN ISO 3269 where applicable

2 · EN 16983 pages 11~18(PDF 13~20)
PackagingMarking, packaging and storage

Contract and product documentation requirements apply

contract · EN 16983 pages 11~18(PDF 13~20)
INSPECTION DOSSIER

Product inspection requirements

7 acceptance limits
Data boundary: 平面度没有标准通用数值,等待图纸/工艺卡/供需协议覆盖; 平行度没有标准通用数值,等待图纸/工艺卡/供需协议覆盖
CharacteristicRequirement / limitsStatusSource
Outside diameterD / De56 mm (-0.3/+0 mm); limits 55.7–56 mmThe standard rule has been resolved for this specific product.ResolvedDIN EN 16983:2017-09EN 16983 page 12(PDF 14)
Inside diameterd / Di28.5 mm (+0/+0.21 mm); limits 28.5–28.71 mmThe standard rule has been resolved for this specific product.ResolvedDIN EN 16983:2017-09EN 16983 page 12(PDF 14)
Product thicknesst / t′3 mm (-0.12/+0.04 mm); limits 2.88–3.04 mmThe standard rule has been resolved for this specific product.ResolvedDIN EN 16983:2017-09EN 16983 page 13(PDF 15)
Free heightH0 / l₀4.3 mm (-0.1/+0.2 mm); limits 4.2–4.5 mmThe standard rule has been resolved for this specific product.ResolvedDIN EN 16983:2017-09EN 16983 page 13(PDF 15)
Cone heighth0 / h₀1.3 mm (-0.14/+0.32 mm); limits 1.16–1.62 mmWorst-case envelope derived from free-height and plain product thickness t tolerances; it is a reference, not an independent standard h0 acceptance tolerance.Derived referenceDIN-EN-16983-2017-09EN 16983 page 13(PDF 15); EN 16983 page 13(PDF 15)
Coaxiality≤ 0.6 mmThe standard rule has been resolved for this specific product.ResolvedDIN EN 16983:2017-09EN 16983 page 12(PDF 14)
FlatnessSet by approved drawing, process card or supply agreementThe standard does not provide a universal independent numeric tolerance; an approved drawing, process card or supply agreement must provide the acceptance value.Agreement requiredPOLYSPLENDID-INSPECTION-POLICY-2026-08Task 121 标准原文核对结论
ParallelismSet by approved drawing, process card or supply agreementThe standard does not provide a universal independent numeric tolerance; an approved drawing, process card or supply agreement must provide the acceptance value.Agreement requiredPOLYSPLENDID-INSPECTION-POLICY-2026-08Task 121 标准原文核对结论
Test loadFt11388 N (-7.5/+15%); limits 10533.9–13096.2 NThe nominal test load comes from the current published standard, manufacturer, or engineering dataset; limits use the applicable DIN EN 16983 percentage tolerance.ResolvedDIN EN 16983:2017-09EN 16983 pages 13~14(PDF 15~16)
Hardness42–52 HRCThe standard rule has been resolved for this specific product.ResolvedDIN EN 16983:2017-09EN 16983 page 11(PDF 13)

Where cone-height limits are shown, they are derived references only. Flatness and parallelism become acceptance criteria only after an approved drawing, process card or supply agreement supplies numeric values.

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