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Cylinder Master 

 

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The TropelŽ CylinderMasterŽ is the first optical instrument to provide extensive quantification of outside and inside diameters of cylindrical components. It rapidly measures roundness, straightness, taper, and cylindricity to an accuracy of 50 nanometers (2.0 m inch).  

Hundreds of thousands of data points are acquired in a single measurement to construct the full three-dimensional form of precision bores and shafts. Now you can have a complete understanding of your cylindrical part manufacturing process rather than inferring from 2D traces generated from a stylus probe or mechanical indicator.  

While conventional roundness measuring techniques may take tens of minutes to assess cylindrical form in the laboratory, the CylinderMaster is designed for the shop-floor. This allows you to make measurements right at the process. This simplified system requires no set-up or special fixtures. Simply load the part on the measurement platform and measure the part in less than 60 seconds. Using this non-contacting measurement technique during the production process will assure the integrity of your part.

 

Specifications:
Accuracy 50 nm  (2.0 u")
Repeatability 20 nm  (0.8 u")  1 sigma
Resolution 5 nm    (0.2 u")
Dynamic Range 10 um (typical, limited by surface slope)
O.D. Part Range Diameters between 3 mm - 45 mm depending on length

Maximum length of 200 mm depending on diameter

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I.D. Part Range Diameters between 5 mm - 25 mm; length to diameter ratio < 5:1

Maximum length of 125 mm

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Measured Data Points ~ 400,000 per measurement
Automated Alignment Time < 60 seconds
Measurement Time < 30 seconds
Measurement Datums Least squares, maximum inscribed, minimum circumscribed, minimum zone
Standard Measurements Cylindricity, roundness, straightness, taper, harmonic analysis, diameter
Data Analysis 3-D, topographic, yield, distribution, roundness slice, straightness slice
Materials Metals, ceramics, polymers
Surfaces Ground, honed, reamed, bored, turned, superfinished
Reflectivity Minimum of 10% at 85o Incidence angle
Maximum Roughness 0.5 um (20 u") Ra (typical at 4 um / fringe)

 

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Last modified: February 04, 2006