McCoy Farr Torque Turn Software Systems
WinCatt™ is a software tool which interacts with external
control hardware to provide real time monitoring and control of tubular connection power tong make-up. The graphical user interface and logical software structure combined with powerful control, data acquisition and presentation capabilities enable the user to easily specify make-up parameters, control the make-up process and evaluate quality.
WinCatt™ was developed with an emphasis on the user's needs for reliability, accuracy, and ease of use.
Key features are:
Function:
- monitors torque, turns, and rotational speed during make-up
- controls speed during make-up (optional)
- controls based on either final torque or final turns
- includes calibration management system
- includes automatic "Start Recording" & "Dump Valve Release"
- includes automatic descriptive comments with optional over-ride
- available with optional pressure test system
Analysis:
- analyzes make-up to determine: conformance to manufacturer's specification shouldering point for premium connections shouldering time, delta torque, delta turns
- reviews results from previous make-ups
Safety:
- limit torque to user specifies maximum during idle time
Reporting:
- job description
- summary reports of make-up results
- statistical analysis
- real time or post job make-up plots
MANUAL DOWNLOAD file updated 9/2010
| Technical Specifications | |
| Sampling Frequency: | User defined from 1 - 8000 Hz 500 Hz recommended |
| Recording Frequency: | Based on combination of delta torque and user defined delta time |
| Calibration Management: | Choice of calculated calibration based on load cell manufacturer specifications or local calibration based on user force standard. Shunt calibration with automatic "drift" tracking. |
| Response time: | Electronics < .5 ms Hydraulics - dependent on dump valve - typically 10 - 30 ms |
| Final torque: | Average = optimum torque +/- 1% Standard deviation < 2% under normal operating conditions |
| Operating temperature: | Computer, 5 - 50oC (40 - 122oF) Junction box, minus 30 - 80oC (minus 22 -180oF) |
| Torque accuracy: | max error (% of full scale) = sqrt[Local force standard error2 + arm length error2 + 0.152] -- Typically less than 1%. |
| Turns accuracy: | max error = +/-one pulse of turns counter |
| Pressure accuracy: | max error (% of F.S.) = sqrt[pressure standard error2 + 0.152] Typically less than 1%. |
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