MRC-300M Roundness and Cylindricity Measuring Instrument

Product Feature：

lAdopts high-precision aerostatic spindle as the reference, which is wear-free and maintains long-term accuracy.
lUses the radius measurement method with workpiece rotation.
lCan measure roundness, cylindricity, straightness, runout, total runout, taper, diameter, concentricity, coaxiality, flatness, parallelism, perpendicularity, eccentricity and other parameters of various regular and irregular annular workpieces.
lCan analyze surface waviness (Wc, Wp, Wv, Wt, Wa, Wq), conduct spectrum analysis and wave height analysis.
lCan measure the cross-sectional ellipticity and longitudinal profile of piston outer circles (optional).
lColumn stroke options include 400/500/700mm, with support for customization of larger strokes.
lSelf-centering and leveling worktable, available in manual or automatic versions.
lThe spindle can bear 30kg, and customization for larger loads is supported.
lEquipped with an air filter as standard.
lFour roundness evaluation methods: Minimum Zone Method, Least Squares Method, Minimum Circumscribed Circle Method, Maximum Inscribed Circle Method.
lRoundness filter ranges: 1-500, 1-150, 1-50, 1-15, 15-500.
lWaviness filter ranges: 3-16, 17-100.
lData collection uses imported precision circular gratings with an accuracy of up to 0.0125μm, collecting 14,400 points per circle, ensuring high accuracy and stability.
lThe measurement software is a CA system-based software running on Windows operating systems, supporting WinXP, Win7, Win10 and Win11.
lPartial arcs can also be measured and processed.
lAutomatically identifies contour interruptions, and has the function of automatically or manually eliminating gaps and abnormal points.
lSPC statistical analysis: conducts statistical analysis on a large number of measurement data and provides graphical analysis reports.
lCan set process requirements to judge measurement parameters, improving the visibility of quality control.
lSupports single or multiple measurement data printing on the same page.
lEquipped with a Φ2mm ruby probe as standard; ruby probes of different specifications can be optionally configured.
lComplies with industry standards such as JJG 429, ISO 1101 and ISO 12180.

Product Application：

lAutomobile manufacturing
Inspects core components such as engine crankshafts, camshafts, piston pins, and bearing inner/outer rings to ensure power transmission accuracy and assembly tightness.
lAerospace
Verifies key components such as aircraft engine blade shafts, hydraulic system valve cores, and turbine shafts to meet precision requirements under extreme working conditions.
lBearing/seal industry
Batch inspects bearing rolling elements, seal ring grooves and other components to ensure rotation accuracy and sealing performance.

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Product Description

Product Description

Technical Specification：

Item		Roundness and Cylindricity Measuring Instrument
Model		MRC-300M
Measurement Range	Maximum workpiece rotation diameter	320mm
	Maximum measurement diameter	270mm
	Maximum measurement height	300mm
	Maximum measurement depth	100mm（determined by probe rod length）
	Maximum load-bearing capacity	25kg
Aerostatic Spindle Accuracy	Radial error	（0.025+4H/10000）μm H： Measurement height from the platform
Aerostatic Spindle Accuracy	Axial error	（0.025+4X/10000）μm X： Measurement radius
Worktable	Table diameter	Φ200mm
	Adjustment range	Eccentricity adjustment: ±3mm; Level adjustment: ±1°
	Adjustment method	Manual
	Rotation speed	0~12rpm
Straightness		0.3μm/100mm
Grating	Column grating resolution (optional)	0.05/0.1/0.5/1μm
Grating	Horizontal guide rail grating resolution (optional)	0.05/0.1/0.5/1μm
Parallelism between Spindle and Z-axis		1.5μm/300mm
Horizontal Stroke		250mm
Sensor	Measuring range	±500μm
	Resolution	0.005μm
	Probe shape	Φ2mm ruby ball probe（Φ1mm、Φ0.5mmprobes optional）
	Measuring force	1~12g
Data Collection		Imported grating, 14,400 points/circle
Magnification		Arbitrary up to 200,000x maximum
Optional modules		Bearing waviness/harmonic analysis/RTA spectrum analysis
Air supply pressure		0.45~0.8Mpa
Air supply flow rate		≥0.2 m³/min
Power supply		AC 220V±10% 50Hz
Environmental requirements		Temperature (T)：10～30℃； Relative humidity (RH)：＜85%
Product dimensions (LWH)		9606501550mm
Packaging dimensions (LWH)		10007501650mm
Product weight		240kg
Total packaging weight		290kg

Standard Delivery：

Name	Quantity
Roundness and cylindricity measuring instrument	1 set
Self-centering and leveling worktable	1 set
Precision three-jaw chuck	1 piece
Air filtration system	1 piece
Computer	1 unit
Printer	1 unit
Measurement software	1 set
Ellipse standard part	1 piece
Cylinder standard part	1 piece
Φ2mm ruby probe	1 piece
Qualification Certificate	1 copy
Warranty Card	1 copy
Calibration Certificate	1 copy
Instruction Manual	1 copy