| Outside diameterD / De | 450 mm (-0.63/+0 mm); limits 449.37–450 mmThis supplementary geometry is outside the A/B/C dimension tables; dimensional tolerances, coaxiality, hardness and guide clearances use the applicable DIN EN 16983 general range rules. | Resolved | DIN EN 16983:2017-09EN 16983 page 12（PDF 14） |
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| Inside diameterd / Di | 252 mm (+0/+0.52 mm); limits 252–252.52 mmThis supplementary geometry is outside the A/B/C dimension tables; dimensional tolerances, coaxiality, hardness and guide clearances use the applicable DIN EN 16983 general range rules. | Resolved | DIN EN 16983:2017-09EN 16983 page 12（PDF 14） |
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| Product thicknesst / t′ | 25 mm (-0.1/+0.1 mm); limits 24.9–25.1 mmThe product thickness exceeds the direct DIN EN 16983 disc-spring tolerance-table range. The terminal table row is continued as an explicit engineering baseline for supplementary manufacturing and inspection. | Resolved | DIN-EN-16983-2017-09DIN EN 16983 Tables 8–10 terminal range, engineering continuation beyond t=14 mm |
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| Free heightH0 / l₀ | 33.8 mm (-0.3/+0.3 mm); limits 33.5–34.1 mmThe product thickness exceeds the direct DIN EN 16983 disc-spring tolerance-table range. The terminal table row is continued as an explicit engineering baseline for supplementary manufacturing and inspection. | Resolved | DIN-EN-16983-2017-09DIN EN 16983 Tables 8–10 terminal range, engineering continuation beyond t=14 mm |
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| Cone heighth0 / h₀ | 8.8 mmThe catalog nominal h0 is retained. This size is not fully covered by both general free-height and thickness tolerance tables, so no h0 limits are invented. | nominal_reference_only | Pending approved sourceSupplementary catalog nominal geometry |
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| Coaxiality— | ≤ 1.26 mmThis supplementary geometry is outside the A/B/C dimension tables; dimensional tolerances, coaxiality, hardness and guide clearances use the applicable DIN EN 16983 general range rules. | Resolved | DIN EN 16983:2017-09EN 16983 page 12（PDF 14） |
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| Flatness— | Set 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 required | POLYSPLENDID-INSPECTION-POLICY-2026-08Task 121 标准原文核对结论 |
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| Parallelism— | Set 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 required | POLYSPLENDID-INSPECTION-POLICY-2026-08Task 121 标准原文核对结论 |
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| Test loadFt | 823848.944606 N (-5/+5%); limits 782656.497376–865041.391836 NThe product thickness exceeds the direct DIN EN 16983 disc-spring tolerance-table range. The terminal table row is continued as an explicit engineering baseline for supplementary manufacturing and inspection. | Resolved | DIN-EN-16983-2017-09rounded_almen_laszlo_calculation |
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| Hardness— | Nominal value only; approved tolerance source requiredThis supplementary geometry is outside the A/B/C dimension tables; dimensional tolerances, coaxiality, hardness and guide clearances use the applicable DIN EN 16983 general range rules. | Approved source required | Pending approved source— |
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