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Standards Development
| Reference | Standards description | Committee | Status |
|---|---|---|---|
| BS ISO 21771-1 |
Cylindrical involute gears and gear pairs. Part 1: Concepts and geometry Categories: Gears |
MCE/5 Gears and shafts for machinery and accessories | Public comment |
| BS ISO 14521 |
Gears — Calculation of load capacity of worm gears Categories: Gears |
MCE/5 Gears and shafts for machinery and accessories | Approval |
| PD ISO/TR 23509-2 |
Bevel and hypoid gear geometry. Part 2: Sample calculations Categories: Gears |
MCE/5 Gears and shafts for machinery and accessories | Approval |
| PD ISO/TR 10064-2 |
Code of inspection practice. Part 2: Inspection related to radial composite deviations, runout, tooth thickness and backlash Categories: Gears |
MCE/5 Gears and shafts for machinery and accessories | Drafting |
| BS ISO 7125 |
Gear flank tolerance classification —. Part 4: Definitions and allowable values of cylindrical worm gear tooth flank deviations Categories: Gears |
MCE/5 Gears and shafts for machinery and accessories | Drafting |
| BS ISO 21771-2:2025 |
Cylindrical involute gears and gear pairs. Calculation and measurement of tooth thickness and backlash Categories: Gears |
MCE/5 Gears and shafts for machinery and accessories | Published standard |
| BS ISO 23509-1:2025 |
Bevel and hypoid gear geometry. Basic methods Categories: Gears |
MCE/5 Gears and shafts for machinery and accessories | Withdrawn |
| BS EN IEC 61400-4:2025 |
Wind energy generation systems. Design requirements for wind turbine gearboxes Categories: Gears | Wind turbine energy systems |
PEL/88 Wind turbines | Published standard |
| BS ISO 21771-1:2024 |
Cylindrical involute gears and gear pairs. Concepts and geometry Categories: Gears |
MCE/5 Gears and shafts for machinery and accessories | Published standard |
| PD ISO/TR 10300-30:2024 |
Calculation of load capacity of bevel gears. ISO rating system for bevel and hypoid gears. Sample calculations Categories: Gears |
MCE/5 Gears and shafts for machinery and accessories | Published standard |