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Significance and Use
5.1 Guide lists a number of ASTM International standards that use the inclined plane test rig to measure the static coefficient of specific tribosystems. This guide applies to any couple that can be made into test specimens that can be made into a rider on a plane that can be angled to produce motion of the body on the plane. Footwear on walkway surfaces is an example of a very important application. Flooring surfaces that are slippery to various types of footwear can produce accidents and testing should be done on candidate flooring surfaces and candidate shoe soles and heels to quantify their relative slip resistance. This guide shows how an inclined plane can be used to make such a comparison.
5.2 The inclined plane method is also very useful in machine design in which parts of components shall slide unassisted down chutes and the like. An inclined plane test can be used to determine the chute angle that is needed to allow motion on all parts that are placed on the chute. The applications are numerous.
1.1 This guide is intended to standardize the use of an inclined plane testing device to measure the breakaway friction (static) coefficient of mating couples that are of such size and shape that they can be made into a rider (one member of the sliding couple) on a flat surface (the second member of the sliding couple) that can be inclined at an angle to produce motion of the rider. The tangent of the angle at which breakaway motion of the rider occurs on the angled plane is the breakaway or static coefficient of friction for that sliding couple.
1.2 Units—The values stated in SI units are to be regarded as the standard. No other units of measurement are included in this standard.
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
G40 Terminology Relating to Wear and Erosion
G115 Guide for Measuring and Reporting Friction Coefficients
|Link to Active (This link will always route to the current Active version of the standard.)|
ASTM G219-18, Standard Guide for Determination of Static Coefficient of Friction of Test Couples Using an Inclined Plane Testing Device, ASTM International, West Conshohocken, PA, 2018, www.astm.orgBack to Top