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+1 919-542-4417
Automated Thread Profiler
Ditch the molds and optical comparator – automated, factory floor thread profiling is here.
The Challenge
Oil and gas pipe finishing lines all struggle with a common problem: verification of thread form prior to starting production. Traditionally, this is achieved by obtaining a wax/putty mold on the first article threads and performing manual inspection of the mold with an optical comparator.
This process is notoriously time-consuming and error prone: mold curing time, transportation of the mold to an inspection lab, dissection of the mold, multiple overlays to align and inspect, subjective operator interpretation – all while the threading line is sitting idle.
Introducing the Automated Thread Profiler
To address this challenge, we have developed the patent pending Automated Thread Profiler (ATP) – a handheld, optical thread inspection system that provides sub-micron profile scans of all API, semi-premium, and premium threadform connections.
Patent No. 19/389,627 “Portable Optical Thread-Profiling System and Method”
Scans collected by the gauge are analyzed in seconds by our proprietary metrology software, providing dimensional measurements, GD&T profile analysis, and digital overlay comparison (with optional manual overlay inspection via the gauges’ touchscreen HMI).
The ATP removes the tedium, inaccuracy, and costly downtime of molds, while providing lab-grade dimensional measurements and instant overlay analysis.
Key Features
Precision and Reliability
Utilizing dual confocal chromatic measurement technology paired with an absolute optical encoder, the ATP provides sub-micron (< 0.0001”) resolution scan data.
There is no guesswork with the ATP – every feature of a threadform is scanned, including negative flanks and overhanging features (seals).
Compact, Handheld Formfactor
We understand that floor space on a finishing line is limited. The ATP weighs less than 30 lbs., does not require any dedicated floor space, and is operated by a single person.
An optional zero-gravity tool balancing mounting point is available.
Auto-Clamping and Centering
The gauge features a smart, pneumatic clamping and centering mechanism. Sliding the gauge onto a pipe automatically triggers the clamp when the pipe face is detected. The clamping process ensures that the device is centered and aligned with the axis of the pipe.
Once attached to a pipe, the operator is free to release their grip for the duration of the scan cycle.
Simple Two-Button Operation
A scan is started by a push button located by the right gauge handle. Upon completion of the scan, the operator grabs the gauge and presses the release clamp button located by the left gauge handle, at which point the gauge can be removed from the pipe.
Short Cycle Time
A complete measurement cycle, from clamp to unclamp, is performed in less than one minute.
Threadform Dimensional Analysis
The gauge supports analysis of any feature that is measurable with a profile scan: Leads, Thread Height, Wedge Lockup Location, Flank Angles, Root Mismatch (stepped threads), Root-Crest Parallelism, and Chipped Insert Detection.
Digital Overlay Analysis
The ATP software package features an instantly recognizable implementation of profile overlay analysis commonly used with molds and optical comparators.
Using our 23”, high resolution, multi-touch HMI, the scanned profile is presented to the operator, while simple on-screen controls walk the operator through the inspection process.
The operator is free to manually align and adjust the overlay position with familiar phone screen touch gestures. Including pinch-to-zoom, pan, and rotation manipulation.
The ATP software also features automatic overlay analysis, producing a pass/fail determination tailored to your specific processes and procedures.
Digital Archival and L2 / SPC Support
Raw point cloud data for every scan is saved locally to the gauge control system and can optionally be sent to your Level 2 / SPC system, allowing for instant retrieval of archived data
Autonetics Digital Profiling
Import and analyze your thread form overlays directly on real scan data.
Quantifiable Impact
By implementing the Autonetics Automated Thread Profiler manufacturers can expect:
- 98% reduction in manufacturing downtime attributed to mold sampling
- Improved quality control: identify dimensional changes before they reach the point of rejection
- Permanent, digital history of inspection results
- Cost Savings: the ROI on the ATP is measured in weeks, not years
Technical Specifications
- Threadforms Supported: API, semi-premium, premium connections (including support for negative flank angles)
- Pipe Diameter: 4.5” – 16”
- Resolution: < 0.001 mm (< 0.0001”)
- Max axial scan distance: 184 mm (7.25”)
- Gauge Dimensions: 584 mm x 356 mm x 458 mm (23” x 14” x 18”)
- Gauge Weight: < 30 lbs.
- Utility Requirements: 5A,120 VAC, 50 PSI air, ethernet
- Operating Environment: 0 – 46° C (32 – 113° F), < 95% humidity, non-condensing
The Autonetics Benefit
Autonetics has focused on modernizing OCTG inspection services since 2009. Our experience working directly with industry leaders worldwide gives us keen insight into the challenges of fast, accurate, and reliable quality control on the factory floor.
Automated Thread Profiler
Contact Autonetics today to speak directly with a thread inspection expert.
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Category
Automation / Gas and Oil Category
InspectionPurpose
Thread Profiling and MeasurementIndustry
Oil Country Tubular GoodsAccurary
< 0.0001"Repeatability
+/- 0.00005"Supported Threadforms
API, Semi-Premium, PremiumSupported Diameters
4.5" to 16"Cycle Time
< 60 seconds