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BS 721-2 - Specification for Worm Gearing Part 2. Metric Units
September 30, 1983 - BSI

Applies to tooth form, dimensions of gearing, tolerances for four classes of gears according to function and accuracy, calculation of load capacity and information to be given on drawings. Provides examples of load calculations.

FORD WK900 - Hoseclamps - Worm Drive
November 1, 2005 - FORD

This specification covers the dimensions, material and performance of worm drive hoseclamps. NOTE: The torques specified are test requirements and are not recommended as tightening torques for assembly purposes.

BS 3027 - Dimensions of Worm Gear Units
April 10, 1968 - BSI

Principal external dimensions of worm gear units of 4 in, 6 in, 8 in, 10 in, 12 in, 14 in, 17 in and 20 in centre distances, employing worm gearing complying with BS 721.

FORD WK903 - HOSECLAMPS – WORM DRIVE (INTEGRAL SPRING)
May 23, 2013 - FORD

This specification covers the dimensions, material and performance of worm drive hoseclamps. NOTE: The torques specified are test requirements and are not recommended tightening torques for assembly purposes.

JIS B 1723 - Dimensions of cylindrical worm gears
September 22, 2014 - JSA

This Japanese Industrial Standard specifies the general-use cylindrical worm gears with an axial module of 1 mm to 25 mm and a centre distance of 40 mm to 500 mm used for power transmission.

NAS1923 - CLAMP, HOSE, BAND, TANGENTIAL WORM, LIGHT WEIGHT
March 31, 2016 - AIA/NAS

This specification establishes the requirements for a light weight, tangential worm type, band clamp.

ASD-STAN PREN 4234 - Aerospace series - Clamps, worm drive - Dimensions, masses
October 1, 2018 - ASD-STAN

This European standard specifies the characteristics of worm drive clamps designed for use with suitable rubber hoses to form joints in fluid system pipelines for aerospace applications.

DS/EN 4234 - Aerospace series - Clamps, worm drive - Dimensions, masses
July 28, 2015 - DS

This European Standard specifies the characteristics of worm drive clamps designed for use with suitable rubber hoses to form joints in fluid system pipelines for aerospace applications.

AGMA 99FTM17 - Synthetic Oils for Worm Gear Lubrication
October 1, 1999 - AGMA

This paper shows several synthetic gear oils and their influence on wear and efficiency of highly loaded worm gears. The results are based on measurements carried out on the Kluber worm gear test rig. This test rig allows the measurement of input speed, input...

DELPHI DX500083 - BASIC RACKS OF METRIC INVOLUTE GEARS
December 1, 1999 - DELPHI-I

1. SCOPE This standard documents the metric involute gear standard basic rack tooth profile for 20, 22.5 and 25 degree pressure angles which are applicable to spur and helical cylindrical gears, worm gears, straight and spiral bevel gears and hypoid...

BS 721-1 - Specification for Worm gearing - Part 1: Imperial units
April 25, 1963 - BSI

Cylindrical involute helicoid worms with a normal pressure angle of 20° in a range of axial modules from 0.052 in to 1 in. Design, formulae for calculating worm and wormwheel dimensions; four gear classes, with tolerances for pitch, profile and worm thread thickness, and...

AGMA 6101 - Design and Selection of Components for Enclosed Gear Drives (Metric Edition)
December 31, 2008 - AGMA

This standard outlines the basic practices for the design and selection of components, other than gearing, for use in commercial and industrial enclosed gear drives. Fundamental equations provide for the proper sizing of shafts, keys, and fasteners based on stated allowable stresses....

AGMA 98FTM10 - Local Coefficients of Friction in Worm Gear Contacts
October 1, 1998 - AGMA

The friction conditions in the mesh of worm gear drives have big influence on the efficiency of worm gears. Because the friction conditions of worm gears can't be determined directly, a special test rig (three disk test rig) was built to simulate the...

AGMA 93FTM1 - Undercutting in Worms and Worm-Gears
October 1, 1993 - AGMA

Develops an equation for worms that can be used to ensure that there is no undercutting. Explains that for wormgears, the possibility of undercutting depends on many variables, and no simple criterion has been found. Describes procedures for checking for undercutting and other potential...

AGMA 93FTM2 - Topological Tolerancing of Worm-Gear Tooth surfaces
October 1, 1993 - AGMA

Proposes a method for determining surface deviations of the wormgear tooth that result from cutting edge deviations of the hob used to cut the gear. Demonstrates how to obtain tolerance tables for wormgear tooth profiles from the tolerance tables for the corresponding worm threads and...

AGMA 99FTM18 - Effects of Wear on the Meshing Contact of Worm Gearing
October 1, 1999 - AGMA

Worm gear contact stresses are the major contributor to worm gear wear and durability failures. In this paper, a combination of loaded tests, coordinate measurements, surface reverse engineering and a special finite element method is employed to study the effect of...

DS/ISO/TR 10828 - Worm gears - Worm profiles and gear mesh geometry
August 20, 2015 - DS

ISO/TR 10828:2015, thread profiles of the five most common types of worms at the date of publication are described and formulae of their axial profiles are given. The five worm types covered in this technical report are designated by the letters A, C, I, K and N. The formulae to...

ISO TR 10828 - Worm gears - Worm profiles and gear mesh geometry
August 15, 2015 - ISO

In this Technical Report, thread profiles of the five most common types of worms at the date of publication are described and formulae of their axial profiles are given. The five worm types covered in this technical report are designated by the letters A, C, I, K and N. The formulae...

AGMA 97FTMS1 - Coordinate Measurement and Reverse Engineering of ZK Type Worm Gearing
November 1, 1997 - AGMA

A comprehensive model for the measurement, inspection, performance prediction and reverse engineering of ZK type of worm gearing is developed. The measurements and the best fit processes both for the worm thread and for the gear tooth flank are discussed in detail. A CMM...

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