Obsnap Instruments Sdn Bhd
29A, Jalan SS 15/4C,
47500 Subang Jaya,
Selangor, Malaysia.
+603-5621 5786
+603-5621 5829

Nikon Metrology - MCAx

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Nikon Metrology - MCAx Portable CMM Dimensional Metrology System

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The MCAx Manual Coordinate measuring Arm is a precise, reliable and easy-to-use portable 7-axis measuring arm. It is the perfect partner for the ModelMaker MMDx/MMCx digital handheld laser scanners and Focus Handheld scanning and inspection software. This total solution’s accuracy, capability and portability make it feel perfectly at home in the metrology lab, on the shop floor and in-the-field.

The MCAx arm can be equipped with a wide range of probing systems for laser scanning, touch-trigger measurements and continuous scanning. Its flexibility makes this measurement arm the perfect solution for the widest range of measurement tasks. The new 7-axis MCAx range of articulated arms is available with a measurement volume ranging from 2.0 and 4.5 meter diameter.

Key benefits:

  • High accuracy and fast data throughput saves time and money
  • Optimized for hard-to-scan surfaces
  • Designed for use under all shop floor or field conditions
  • Extreme temperature stability and zero warm-up time
  • Quick and easy plug-and-play setup
  • Short learning curve
  • On-board calibration storage
  • Scanner compatible with all major brands of portable localizers and point cloud software
  • No external controller
  • Automatic probe recognition
  • Enhanced ergonomics mean stress-free usage
  • Seamless transition between scanning and touch-probing

Applications
  • Fast & accurate multi-sensor 3D inspection
  • Part-to-CAD inspection: First article inspection against CAD model
  • Inspection of geometric features
  • Gap-and-flush inspection
  • Reverse engineering: from concept studio clay to class A surfaces
  • Digitizing for additive manufacturing

Specifications 
  Measuring range Point repeatability1 Volumetric accuracy2 Arm weight
MCAx25++ 2.5 m (8.2 ft.) 0.023 mm (0.0009 in.) ±0.034 mm (±0.0013 in.) 8.5 kg (18.7 lbs)
MCAx30++ 3.0 m (9.8 ft.) 0.036 mm (0.0014 in.) ±0.052 mm (±0.0020 in.) 8.8 kg (19.4 lbs)
MCAx35++ 3.5 m (11.5 ft.) 0.047 mm (0.0018 in.) ±0.073 mm (±0.0028 in.) 9.1 kg (20.1 lbs)
MCAx40++ 4.0 m (13.1 ft.) 0.057 mm (0.0022 in.) ±0.088 mm (±0.0034 in.) 9.4 kg (20.7 lbs)
MCAx45++ 4.5 m (14.8 ft.) 0.071 mm (0.0027 in.) ±0.107 mm (±0.0042 in.) 9.7 kg (21.4 lbs)

 MCAx20+  2.0 m (6.6 ft.)        0.023 mm (0.0009 in.) ±0.033 mm (±0.0013 in.) 8.2 kg (18.1 lbs)
MCAx25+ 2.5 m (8.2 ft.) 0.027 mm (0.0011 in.) ±0.038 mm (±0.0015 in.) 8.5 kg (18.7 lbs)
MCAx30+ 3.0 m (9.8 ft.) 0.042 mm (0.0017 in.) ±0.058 mm (±0.0023 in.) 8.8 kg (19.4 lbs)
MCAx35+ 3.5 m (11.5 ft.) 0.055 mm (0.0022 in.) ±0.081 mm (±0.0032 in.) 9.1 kg (20.1 lbs)
MCAx40+ 4.0 m (13.1 ft.) 0.067 mm (0.0026 in.) ±0.098 mm (±0.0039 in.) 9.4 kg (20.7 lbs)
MCAx45+ 4.5 m (14.8 ft.) 0.084 mm (0.0033 in.) ±0.119 mm (±0.0047 in.) 9.7 kg (21.4 lbs)

  MCAx20     2.0 m (6.6 ft.)      0.044 mm (0.0017 in.) ±0.061 mm (±0.0024 in.) 7.9 kg (17.4 lbs)
 MCAx25    2.5 m (8.2 ft.)   0.049 mm (0.0019 in.) ±0.069 mm (±0.0027 in.) 8.2 kg (18.1 lbs)
 MCAx30    3.0 m (9.8 ft.)   0.079 mm (0.0031 in.) ±0.100 mm (±0.0039 in.) 8.5 kg (18.7 lbs)
 MCAx35    3.5 m (11.5 ft.)   0.099 mm (0.0039 in.) ±0.125 mm (±0.0049 in.) 8.8 kg (19.4 lbs)
 MCAx40    4.0 m (13.1 ft.)   0.115 mm (0.0045 in.) ±0.151 mm (±0.0059 in.) 9.1 kg (20.1 lbs)
 MCAx45    4.5 m (14.8 ft.)   0.141 mm (0.0056 in.) ±0.179 mm (±0.0070 in.) 9.4 kg (20.7 lbs)
1)The point repeatability test (or SPAT) is the reference test to determine measurement arm repeatability with a ball probe. The probe is placed in a conical socket and points are measured from multiple approach directions and is tested different zones of the arm measurement volume. The result is the maximum of the X, Y or Z range divided by two.
2)The volumetric accuracy test most accurately represents the reasonable expectations for probing performance in practical measuring applications since it involves measuring a certified length standard many times in several locations and orientations and compares the resulting measurements to the actual length. It 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.
Probing and scanning specifications are achieved under stable environmental conditions with the MCAx arm mounted on a base plate or magnetic base. A 15 mm diameter, 50 mm long, steel ball probe connected to both probe ports is used for the probing performance tests. Probing specifications are based on a subset of ASME B89.4.22:2004. Probing certification to VDI/VDE 2617-9 is also available.
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