QC20-W ballbar instrument body by the club (mainly a high-precision telescopic linear sensors, each with a precision ball at each end) and precision magnetic table base, a (adjustable) to connect to the machine table, and the other a connection to the machine spindle or the spindle boxes. 
 One instrument is recognized worldwide as the most practical, most convenient and most comprehensive assessment test content outline of precision CNC machine tools, that is telescopic ballbar. 
 Do not be such a telescopic instrument with the club for coordinate measuring machine (CMM) calibration of the fixed-length confused with spatial precision calibration regulations. Ballbar accordance with recognized international standards (such as ISO, ASME, etc.) on the positioning performance of CNC machine tools for simple, quick detection, allowing users to benchmark the performance of machine tools and machine tools to track performance, and need to quickly diagnose machine maintenance problems. Instrument for testing the machine on a regular basis to help the club? To ensure a one-time processing of qualified CNC machine parts? Reduce machine downtime, reduce scrap rates and test cost? Demonstration in the case of different parameters to change the test results are in line with the performance and quality management tools standards? implementation based on the actual conditions in the preventive maintenance plan Renishaw QC20-W ballbar Ballbar body by the (mainly a high-precision telescopic linear sensor, a precision ball at each end of each) and precision Magnetic Block , a (adjustable) to connect to the machine table, one connected to the spindle or the spindle boxes. In use, the sensor ball with precision mechanical positioning means fixed to the magnetic bowl on. When the machine around the center of the bench seat running round the pre-set trajectory, the installation of the club this instrument can measure small changes in the radius of the machine. 
 The data collected is sent to a PC, Renishaw ballbar software according to ISO 230-4, ASME B5.54/57 and GB17421.4 Renishaw and other international standards or their own analysis calculated the overall positioning accuracy measurement (roundness roundness deviation). The report uses a unique method of mathematical analysis, by a set of linear reading of a number of additional single machine error diagnosis. Data in graphical and digital format, to help and support fault diagnosis. 
 QC20-W components using standard QC20-W ballbar standard components include a 100 mm long ballbar and 50,150 and 300 mm long extension rod. Ballbar plus pole with different sizes used in combination, can be 100,150,250,300,400,450,550 or 600 mm radius of the test. Ballbar 
 The new design of the ball seat (including the new center cup holder and tool plus pole) to Ballbar QC20-W axis in the plane through the center seat on the additional 220 ° "part of the arc" test. This shows that the three orthogonal planes can now be performed on ballbar test center without the need to re-adjust seat position, thereby speeding up the testing speed. Ballbar 
 Ballbar test results also in the new "space analysis" used in reporting (see software section), to ensure that all data are around the same reference point for the collection (radius greater than 150 mm if the implementation of the "part of the arc" test , you need custom fixtures). Ballbar optional accessories using a range of accessories, QC20-W ballbar function of the system greatly enhanced. 
 Ballbar plus the additional pole, perform up to 1350 mm radius of the test. ? Small round component can be 50 mm radius of the test. ? Using VTL (vertical lathe) adapter is also available on two-axis machine for testing, the use of lathe accessories lathe available in a variety of tests. These options coupled with the use of various feed rate flexibility, QC20-W test is extremely flexible. Components, including standard QC20-W components mounted in a sturdy carrying case, the box contains the QC20-W wireless ballbar, battery, spindle and table center seat, 50 mm, 150 mm and 300 mm plus ballbar pole (which allows a variety of test diameter), tools and Ballbar 20 software manual (on CD-ROM). 
 Ballbar other components (A-8014-1510) also includes a test and analysis capabilities can improve the calibration regulations. (It can measure the absolute percentage error of reading, you can easily confirm the club's nominal instrument readings are correct). 
 Ballbar component also contains rules of the club and calibration instrument can be fully traceable calibration certificate, and for the machine verification test results displayed on labels. 
 All individual components of the project can be ordered separately as spare parts. 
 Ballbar QC20-W specification sensor resolution 0.1 μm 
 Ballbar sensor accuracy ± 0.5 μm (at 20 ° C at) 
 System accuracy ± 1.25 μm (at 20 ° C at) 
 Sensor trip -1.25 mm to +1.75 mm 
 Sensor measuring range ± 1.0 mm 
 The maximum sampling rate per 1000 value 
 Operating temperature range 0 ° C - 40 ° C 
 System carrying case Dimensions (L x W x H) 
 395 mm x 300 mm x 105 mm 
 Ballbar system carrying case weight 
 With components 3.75 kg (about) 
 Data transmission range 
 (II Bluetooth?) 10 m typical 
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