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ROMER Absolute Arm with internal scanner
ROMER Absolute Arm with internal scanner

3D digitizing, 3D modelling, point cloud inspection, reverse engineering, rapid prototyping or copy milling: this system is an all-purpose metrology tool for a multitude of applications. Freedom of movement: with a fully integrated and certified RS3 laser scanner, this is an all-purpose metrology system for almost any measurement need. Point cloud inspection, product benchmarking, reverse engineering, rapid prototyping, virtual assembly or CNC milling are just some of the typical laser scanning applications that can be added to the rich portfolio of touch-probe measurement applications. The integrated laser scanner is designed to capture data from almost any object surface. It does not need warm-up time or additional cables and controllers. Scanner and probe measurements are combined in the same software session.

3D digitizing, 3D modelling, point cloud inspection, reverse engineering, rapid prototyping or copy milling: this system is an all-purpose metrology tool for a multitude of applications.

 

 

Increasing productivity across all industries.

 

   
 Typical Industries:  Typical Measuring Applications:
 Automotive  Sheet Metal Parts
 Aerospace  Dies & Molds/Tooling
 Power Generation / Wind Energy  Machined Parts
 Forming Industry  Jigs & Fixture setup and alignment
 Casting Industry  Tubes & Tube Assembly
 Fabricated metal products  CAD-to-Part comparison
 Machinery Manufacturing  Alignment
 Sports Equipment  Reverse Engineering
 Piping & Tubing  Virtual Assembly
 Agriculture & Heavy Equipment  Body in White
 Ship and Boat building  On-machine tool inspection
 Railway  Composites inspection
 Archaeological and Historic Preservation  Die-Casting and Patterns
 
7-Axis Probing and Scanning Specifications - 73 series

 73 Series  Model3  Measuring Range  Probing Point Repeatability1  Probing Volumetric Accuracy2  Scanning System Accuracy SI4(with RS3)  Arm Weights SI
 7320SI/SE  2.0 m / 6.6 ft.  ± 0.044 mm / 0.0017 in.  ± 0.061 mm / 0.0024 in.  0.079 mm / 0.0031 in  8.3 kg / 18.3 lbs.
 7325SI/SE  2.5 m / 8.2 ft.  ± 0.049 mm / 0.0019 in.  ± 0.069 mm / 0.0027 in.  0.084 mm / 0.0033 in.  8.6 kg / 19.0 lbs.
 7330SI/SE  3.0 m / 9.8 ft.  ± 0.079 mm / 0.0031 in.  ± 0.100 mm / 0.0039 in.  0.119 mm / 0.0047 in.  8.9 kg / 19.6 lbs.
 7335SI/SE  3.5 m / 11.5 ft.  ± 0.099 mm / 0.0039 in.  ± 0.125 mm / 0.0049 in.  0.147 mm / 0.0058 in.  9.2 kg / 20.3 lbs.
 7340SI/SE  4.0 m / 13.1 ft.  ± 0.115 mm / 0.0045 in.  ± 0.151 mm / 0.0059 in.  0.181 mm / 0.0071 in.  9.5 kg / 20.9 lbs.
 7345SI/SE  4.5 m / 14.8 ft.  ± 0.141 mm / 0.0056 in.  ± 0.179 mm / 0.0070 in.  0.214 mm / 0.0084 in.  9.8 kg / 21.6 lbs.

7-Axis Probing and Scanning Specifications - 75 series

 75 Series  Model3  Measuring Range  Probing Point Repeatability1  Probing Volumetric Accuracy2  Scanning System Accuracy SI4(with RS3)  Arm Weights SI
 7520SI  2.0 m / 6.6 ft.  ± 0.023 mm / 0.0009 in.  ± 0.033 mm / 0.0013 in.  0.058 mm / 0.0023 in  8.6 kg / 19.0 lbs.
 7525SI  2.5 m / 8.2 ft.  ± 0.027 mm / 0.0011 in.  ± 0.038 mm / 0.0015 in.  0.063 mm / 0.0025 in.  8.9 kg / 19.6 lbs.
 7530SI  3.0 m / 9.8 ft.  ± 0.047 mm / 0.0017 in.  ± 0.058 mm / 0.0023 in.  0.083 mm / 0.0033 in.  9.2 kg / 20.3 lbs.
 7535SI  3.5 m / 11.5 ft.  ± 0.055 mm / 0.0022 in.  ± 0.0081 mm / 0.0032 in.  0.101 mm / 0.0040 in.  9.5 kg / 20.9 lbs.
 7540SI  4.0 m / 13.1 ft.  ± 0.067 mm / 0.0026 in.  ± 0.098 mm / 0.0039 in.  0.119 mm / 0.0047 in.  9.8 kg / 21.6 lbs.
 7545SI  4.5 m / 14.8 ft.  ± 0.084 mm / 0.0033 in.  ± 0.119 mm / 0.0047 in.  0.138 mm / 0.0054 in.  10.1 kg / 22.3 lbs.

7-Axis Probing and Scanning Specifications - 77 series

 77 series  Model  Measuring Range  Point Repeatability1  Volumetric Accuracy2  Scanning System Accuracy SI4(with RS3)  Arm Weights
 7725  2.5 m / 8.2 ft.  0.023 mm / 0.0009 in.  ± 0.034 mm / 0.0013 in.  0.050 mm / 0.0020 in.  8.9 kg / 19.6 lbs.
 7730  3.0 m / 9.8 ft.  0.036 mm / 0.0014 in.  ± 0.052 mm / 0.0020 in.  0.066 mm / 0.0026 in.  9.2 kg / 20.3 lbs.
 7735  3.5 m / 11.5 ft.  0.047 mm / 0.0019 in.  ± 0.073 mm / 0.0029 in.  0.081 mm / 0.0032 in.  9.5 kg / 20.9 lbs.
 7740  4.0 m / 13.1 ft.  0.057 mm / 0.0022 in.  ± 0.088 mm / 0.0035 in.  0.095 mm / 0.0037 in.  9.8 kg / 21.6 lbs.
 7745  4.5 m / 14.8 ft.  0.071 mm / 0.0028 in.  ± 0.107 mm / 0.0042 in.  0.110 mm / 0.0043 in.  10.1 kg / 22.3 lbs.


Scanning Sensor Specifications: Integrated Scanner RS3




 Point acquisition rate  752.000 Points/s
 Points per Line  Max. 7520
 Line Rate  Max. 100 Hz
 Line width  min.  80 mm
   mid.  115 mm
   max.  150 mm
 Stand off   165 mm ± 50 mm
 Minimum point spacing  0.011 mm(line)
 Laser power control  Fully automatic – per line
 Accuracy  0.028 mm
 Probing Dispersion value* P[Form.Sph.D95%:Tr:ODS]  n.a.
 Weight  340 g
 Controller  No
 Laser class  2M
 Operating temperature  5-40 °C

1 The Point Repeatability Test is the reference test to determine measurement arm repeatability with ball probe. The cone is in front of the machine. Points are measured from multiple approach directions. The average point and the deviation of each point to the average center are calculated. The result is the maximum range divided by two.


2 The Volumetric Accuracy Test most accurately represents the reasonable expectations for machine performance in practical measuring applications since it involves measuring a certified length standard many times in several locations and orientations and compares the resultant measurements to the actual length. The Volumetric Length Accuracy Test is the most appropriate test for determining machine accuracy and repeatability. The result is the maximum deviation of the measuring distance less the theoretical length.


3 SI designates the ROMER Absolute Arm with integrated scanner.


4 The Scanning System Accuracy Test most accurately represents the reasonable expectations for machine performance in practical measuring applications while using the laser scanning method. The test consists of measuring a matte grey sphere with 5 different arm articulations. In each articulation of the arm the sphere is scanned from 5 different directions such that the majority of the sphere is scanned. The result is the maximum 3D center to center distance of the 5 spheres.


All probing specifications are achieved with a ROMER Absolute Arm mounted on a ROMER base plate or magnetic base and using a 15 mm steel ball probe with a length of 50 mm under stable environmental conditions.


All RS3 scanning specifications are achieved with a ROMER Absolute Arm mounted on a ROMER base plate or magnetic base and a matte grey calibration sphere of 25.4 mm diameter under stable environmental conditions.