International Standard
ISO 14521:2026
Gears — Calculation of load capacity of worm gears
Reference number
ISO 14521:2026
Edition 1
2026-09

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ISO 14521:2026
91228
недоступно на русском языке
Опубликовано (Версия 1, 2026)

ISO 14521:2026

ISO 14521:2026
91228
Язык
Формат
CHF 227

Тезис

This document specifies formulae for calculating the load capacity of cylindrical worm gears and covers load ratings associated with wear, pitting, worm deflection, tooth breakage and temperature. Scuffing and other failure modes are not covered by this document.

NOTE 1        The load rating and design procedures are only valid for tooth surface sliding velocities, , less than or equal to 25 m/s and contact ratios greater than 2,1.

NOTE 2        For wear, load rating and design procedures are only valid for tooth surface sliding velocities which are above 0,1 m/s.

NOTE 3        The rules and recommendations for the dimensioning, lubricants or materials selected by this document only apply to centre distances of 50 mm and larger. For centre distances below 50 mm, method A applies.

is document specifies formulae for calculating the load capacity of cylindrical worm gears and covers load ratings associated with wear, pitting, worm deflection, tooth breakage and temperature. Scuffing and other failure modes are not covered by this document.

NOTE 1        The load rating and design procedures are only valid for tooth surface sliding velocities, , less than or equal to 25 m/s and contact ratios greater than 2,1.

NOTE 2        For wear, load rating and design procedures are only valid for tooth surface sliding velocities which are above 0,1 m/s.

NOTE 3        The rules and recommendations for the dimensioning, lubricants or materials selected by this document only apply to centre distances of 50 mm and larger. For centre distances below 50 mm, method A applies.

Общая информация

  •  : Опубликовано
     : 2026-09
    : Опубликование международного стандарта [60.60]
  •  : 1
  • ISO/TC 60/SC 1
    21.200 
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