Nikon MCAx Manual Coordinate Measuring Arms

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Nikon MCAx Manual Coordinate Measuring Arms are precise, reliable and easy-to-use portable 7-axis measuring arms with measurement volumes ranging from 2.0 to 4.5 meters in diameter. Nikon MCAx measuring arms are ideal coordinate measurement tools in the metrology lab, on the shop floor and in-the-field due to their accuracy, capability and portability. The Nikon MCAx pairs with both ModelMaker MMDx digital handheld laser scanners and Focus Handheld scanning and inspection software. The MCAx arm can be equipped with a wide range of probing systems for laser scanning, touch-trigger measurements and continuous scanning.

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Specifications

Model	Measuring Range	Point Repeatability¹	Volume Length 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)

¹The Point Repeatability Test (or SPAT) 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.

²The 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. The published value is the pass-off specification for ASME B89.4.22 Volumetric Performance and VDI/VDE 2617-9 probing form (MPEPF) & Indication for size (MPEE). Probing specifications are relevant to both the center and offset probe ports of the MCAx arm. The specifications are achieved under stable environmental conditions with the MCAx arm mounted on a base plate or magnetic base and using 15 mm diameter, 50 mm long, steel ball probes connected to both probe ports.

Nikon MCAx Manual Coordinate Measuring Arms

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