STwrench User Guide Introduction
9836 4134 01 Edition 2.9 23 (326)
2 System Overview
The STwrench is a modular wrench designed for optimal operation in:
• Tightening operations in production: The STwrench offers a wide variety of tightening
strategies. The test results can be retrieved via the wrench management software (ToolsTalk
BLM), exported into Microsoft Excel and printed, or transferred to ToolsNet. The tool can also
work connected to Power Focus, which defines and sends the tightening programs to the wrench.
• Quality control: The STwrench offers a vast set of methods for evaluating the residual torque;
making it possible to keep the quality of the tightening operations on a production line under
control. The test results can be retrieved via the wrench management software (ToolsTalk BLM),
exported into Microsoft Excel and printed, or transferred to Torque Supervisor.
• Joint analysis: The STwrench is a perfect tool for studying a joint through the joint analysis
feature. The yield point is automatically detected and the trace can be transferred to a PC for
analysis.
2.1 STwrench Concept
The STwrench is modular. You can therefore customize your wrench for optimum use in your own
environment.
This modularity is provided by interchangeable heads with different capacities, optional IRC-B, IRC-Z or
IRC-W radio modules, a barcode scanner, and tightening strategies for quality or production which can be
purchased only if needed.
NOTE: Each smartHEAD is intended to be associated with a single STwrench controller!
The smartHEAD interchangeability assures easy and fast maintenance operations and
wrench upgrade.
IMPORTANT NOTE:
Assembling different heads on the same controller during normal wrench operations
represents improper use of the modularity concept and will invalidate the warranty on the
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