QC20 Ballbar For Machine Tool Verification
Highly regarded within the industry for being quick, simple and effective, Renishaw’s ballbar for machine tool performance verification, is the trusted choice.
Meeting stricter tolerances, keeping up with customer deadlines, and maintaining international quality standards does not have to be a complex or ambitious objective. Incorporating straightforward measures such as machine calibration can effectively streamline processes, enhancing precision and efficiency along the way. Our QC20 ballbar is leading the way in machine tool diagnostics.
What is a ballbar?
A ballbar is a telescoping linear sensor equipped with precision balls at both ends. Our QC20 ballbar serves as a precision measurement device used to assess a machine tool’s performance by detecting minute variations in radius as it follows a programmed circular path around a fixed mount. During operation, the sensor’s balls are precisely located within magnetic cups, facilitating the measurement of radius.
Why would you use a ballbar?
Component dimensional and finish defects can stem from various factors, including defective tooling, worn spindles, or issues with workpiece clamping. However, defects can also trace back to positioning errors within the machine tool itself. These errors are known as geometric, dynamic or play-related issues.
Errors can be promptly addressed, often within a matter of minutes, provided you can pinpoint their exact nature and location. Whether your machine is brand new or used, errors can occur.
The key to achieving defect-free production lies in understanding the true capabilities of your machine. This knowledge enables you to effectively plan production and make necessary adjustments where required.
Historically, achieving this understanding involved machining test or “master” parts, followed by meticulous inspection. Not only is this method time-consuming but it also offers limited confidence when dealing with parts featuring different geometries than the master part.
With QC20 ballbar testing you can effectively assess a machine tool’s performance. Areas where remedial action may be necessary can be identified quickly, providing you with the insights needed to maintain high-quality production.
Performing a ballbar test
Ballbar testing involves a straightforward three-step process:
- QC20 ballbar set-up
- data capture during testing (360° or 220° partial arc)
- data analysis and diagnosis.
Featuring the latest Bluetooth Low Energy (BLE) technology, the QC20 ballbar rapidly forms a robust wireless connection with the PC and provides superior power efficiency, plus a substantially longer battery life when in use.
Read ballbar testing explained to explore the range of tests that can be carried out with the QC20 ballbar. Our QC20 ballbar accessories for machine applications further enhance its versatility.
Ballbar 20 software
Our powerful diagnostics software simplifies testing and reporting processes for machine tool preventative maintenance measurement using the industry standard QC20 ballbar.
- Comprehensive test and reporting; flexibility to display captured data as analysis reports to international standards, e.g. ISO 230-4, ANSI B5.54 or using the comprehensive Renishaw analysis format.
- Selectable user modes; adapts to suit the operator’s needs, skill level and authorisation (Quick Check, Operator and Advanced).
- Part program generator; helps ballbar test CNC part programs to be automatically generated quickly.
- Machine performance history; review variations in the machine’s performance over time using standard report graphs and plot points for in-depth explorations.
- Ballbar plot simulator; powerful tool to aid decisions on corrective action or maintenance predictions from test results.
Meeting international standards
Recognised in major international standards, a ballbar test can serve as a crucial component of overall quality assurance procedures within a manufacturing process and as an objective assessment tool for the CNC machine tool.
Using QC20 ballbar for ISO 10791-6 standard testing is achieveable and highly effective. The QC20 ballbar can efficiently complete most tests outlined in the ISO 10791-6 standard. Reporting the maximum to minimum deviation in accordance with ISO 10791-6 can be effortlessly achieved by capturing data using our Ballbar Trace software.
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