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The Molykote test field in Wiesbaden makes the startup with a new solutions
technology. The lab team in Wiesbaden implemented a "New Screw Tester
technology" from German company Schatz AG.
Molykote Pastes and Anti-Friction Coatings are high performance lubricating
products, and are the most economic way to protect contacting metal
surfaces. This is accomplished by creating a thin but solid lubricant
layer that keeps the metal surfaces apart.
Friction stability and quality of the Molykote Pastes and Anti-Friction
Coatings are determined on the most modern test equipment. Strict
performance bands are allocated to specific applications.
For bolted assemblies, the principal considerations for the optimum
interplay of torques and clamping forces are the coefficients of friction in
the bolts. Analyzing these coefficients requires accurate sensors with
multi-component data acquisition, a laboratory system with controlled motors
and versatile, easy-to-use software to control the process and evaluate the
results of the measurements.
The combination of Schatz Analyze and testXpert successfully combines a link
between sophisticated technology for local measurement of torques and angles of
rotation during bolted assembly and suitable evaluation software.
With the addition of specific control process and evaluation modules for
determining the coefficients of friction of coated bolts, this program package
provides optimum performance in a wide variety of applications.
The new technology makes it possible to measure coefficient of friction for
M6 to M24 bolts.
In combination with the hardware that has been newly developed for the
purpose - consisting of multi-component sensors for individually analyzing head
friction, thread friction and clamping force, the system controller, the drive
motor and the mechanical fixture - this led to the development of a versatile
testing system that can handle practically every measurement task involving
torques, forces and rotation angles. Besides these applications, the
system can also readily be used to perform complex tasks that extend beyond
measuring these basic parameters, such as determining the moments of friction
in a differential gearbox, functionally testing actuators, and testing the
yield strengths and sustained load capacities of tools.
A user-friendly interface assists the operator in organizing tests and test
samples. Freely definable test sequences allow even complicated test
procedures to be implemented.
Molykote has delivered a solution to allow Statoil (Norway's government-run
oil company) to achieve such standardized tightening techniques by using this
special testing equipment on the bolts to establish the correct tightening
regime in conjunction with the right Molykote product.
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