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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.
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.
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.
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.
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.
This document specifies the required characteristics, inspections, test methods, quality assurance, qualification, acceptance and delivery conditions of clamps worm drive designed for use with suitable rubber hoses to form joints in fluid system pipelines. The clamps worm drive are...
This specification establishes the requirements for a light weight, tangential worm type, band clamp.
This document specifies the required characteristics, inspections, test methods, quality assurance, qualification, acceptance and delivery conditions of clamps worm drive designed for use with suitable rubber hoses to form joints in fluid system pipelines. The clamps worm drive are...
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.
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.
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...
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.
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...
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...
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...
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...
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...
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...
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...
