The search results of the 「Physical testing Friction」

4in the case / showing1-4 case
Friction coefficient measuring instrument
Physical testing / Friction
  • No.2004-III
  • [JIS]P-8147-87
  • [TAPPI]T549om-01,T816om-92
  • [ISO]
This instrument determines the friction coefficient of the surface of paper and paperboard (including converted paper), using the constant-speed tensioning tensile tester by the horizontal method. Both static and dynamic friction coefficients can be measured.
A specimen is fixed onto the wide smooth metal plate with a tape. Another specimen is applied onto the weight. A low friction pulley is positioned just below the load cell. A thread fixed to the upper chuck is connected, via the pulley, to the weight on the specimen table. As in the ordinary tensile test, the crosshead is lowered to make the weight gradually slide on the specimen. The friction in sliding is detected by the load cell and recorded on the graph. The peak friction at the moment the weight starts to move is static friction, and friction during movement of the weight is dynamic friction.
Coefficient of friction tester for cards
Physical testing / Friction
  • No.2087
  • [JIS]
  • [TAPPI]
  • [ISO]
The coefficient of friction on a paper surface is one measure that indicates the surface condition of the paper. This COF tester measures the coefficients of friction in the following mechanism. A 1-kg weight is placed on two overlapped sheets of the same specimen paper. While sliding the weight, coefficients of static and kinetic friction are read on a push-pull gauge.
Optionally, a recorder can be installed to help read coefficients of static and kinetic friction more easily as well as to enable recording of changes of the kinetic friction force.
Static coefficient of friction tester
Physical testing / Friction
  • No.2088
  • [JIS]P-8147-1994
  • [TAPPI]T-815om-01
  • [ISO]
The coefficient of friction on paper surface is one characteristic that provides a measurement for evaluating the paper surface condition. This tester helps easy measurement of the coefficient of static friction. It works as follows.
A specimen is attached onto each of the inclined driving plate and the traveling weight. As the inclined driving plate gradually increases the inclination, the weight travels at a point where the inclination exceeds the limit of the friction range of the specimen. At that point, the sensor detects the motion and stops the inclined plate immediately. The coefficient of static friction is calculated from that inclination. As the scale markings represent values of the inclination (θ) converted into tanθ, you can directly read the value of the coefficient of static friction (μ).
ISO friction coefficient tester
Physical testing / Friction
  • No.2090
  • [JIS]
  • [TAPPI]
  • [ISO]15359-1999
The friction coefficient of paper is one of important indices that express the paper surface condition, related to touch and ease of work of paper. This tester is based on the measurement method of friction coefficient newly specified by ISO. The friction of paper sheets applied to the moving table and weight is measured three times, to determine both static and dynamic friction coefficients. An initial torque is applied very slowly so that it takes 0.5 to 5 seconds to reach the peak of static friction. Unlike the conventional rapid measurement of static friction, this method measures friction between fibers in paper surfaces.

Product introduction

Product Search

Numbers and standard Search

Numbers and standard Search

IOS standard Search

JIS standard Search

TAPPI standard Search