Specification for worm gearing - Metric units Ingestion-build-109673

Specification for worm gearing - Metric units Ingestion-build-1096731 Scope This Part of BS 721 specifies the requirements for worm gearing based on axial modules. Four classes of gear are specified, which are related to function and accuracy. This Part applies to worm gearing comprising cylindrical involute helicoid worms and wormwheels conjugate thereto. It does not apply to pairs of cylindrical gears connecting non parallel axes known as crossed helical gears. Appendix A gives some typical wheel rim sections

This document specifies an open-loop test procedure to examine the effect of braking on course holding and directional behaviour of a vehicle

boiler drums

Connected to the development history of the candle are the efforts made to improve its quality and its safety in use

BS EN 792-13 does not apply to stapling pliers and vibration hammers

and tests to demonstrate compliance with these requirements

A supplier’s declaration of conformity may be used alone or in conjunction with another conformity assessment procedure for regulatory or non-regulatory purposes

1 Type of inspection

subdivided by their main properties into:

Sampling and sample reduction

This International Standard supersedes BS 7746:1994 which is withdrawn

installers and maintainers of earthing and lightning protection equipment

ISO 23388 on  requirements and test methods for protective gloves against mechanical risks