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Roundtest RA-2100 Series

The best in its class roundness/cylindricity measuring system for the ultimate in accuracy and ease-of-use.

Catalog No. E4278-211

Form Measurement

2

ROUNDTEST/ROUNDTEST EXTREME ... The best in its class roundness/cylindricity measuring system for the ultimate in accuracy and ease-of-use.

The RA-2100 series is available in two types: the RA-2100AS/

AH/DS/DH models, and the RA-2100S/H CNC machines that feature detector orientation control (see pages 3 and 4 for

details).

Each model incorporates an automatic

turntable to allow workpiece centering/leveling to be performed simply and accurately. This is a vital,

but usually time consuming element of workpiece setup for roundness/cylindricity measurements (see pages

4 and 6 for details).

3

Many optional accessories, such as

styli, chucks and calibration standards, are available to make it easy to measure a

wide variety of workpieces (see pages 10 and 11 for details).

The ROUNDPAK data analysis software allows a wide range of analyses to be performed easily (see

pages 8 and 9 for details).

Detector orientation control in 1° increments (unique to RA-2100CNC)

Surface roughness measurement (Optional)

Photo: RA-2100H CNC

RA-2100CNC RA-2100AS/AH/DS/DH

4

External dimensions RA-2100S/H CNC

475

(18.

70)

Max.940 (37.01 )

667 (26.26 )

Unit:mm (inch)

221 (8.70 )

RA-2

100S

CNC

:900

(35.

43")

RA-2

100H

CNC

:110

0 (4

3.31

")

380

(14.

96)

420

(16.

54)

405

(15.

94")

¿235 (9.25")

Preliminary measurement Centering/leveling complete

Initial misalignment of axes

Turntable axis

A

B

Initial misalignment of centers at turntable surface

Turn

tab le

Turntable axis

Turn

tab le

Preliminary measurement of two cross-sections A and B .

Preliminary measurement is followed by automatic centering and leveling

AAT (Automatic Adjustment Table): Automatic workpiece centering/leveling

Workpiece

Workpiece

Turntable features high accuracy and ease-of-useHigh turntable rotational accuracy, in both the radial (0.02 + 3.8H/10000 µm) and axial (0.02 + 3.8X/10000 µm) directions, allows high accuracy flatness testing to be performed in addition to roundness and cylindricity measurements. The automatic alignment feature of the turntable enhances productivity by eliminating time-consuming workpiece centering and leveling operations.

Detector orientation control in 1° increments to support CNC automatic measurementDetector holder arm orientation (vertical/horizontal) and detector rotation (within a range between 0 to 270°, in increments of 1°) are automatically controlled to provide automatic and continuous measurement of OD, ID, and top and bottom surfaces. Also, the powerful off-line teaching function allows a part program to be created with ease.

Mitutoyo linear scales ensure high accuracy CNC measurementsMitutoyo linear scales are used in the X/Z drive unit to guarantee the high precision positioning so vital for automatic CNC operation.

Detector rotation mechanism(0 to 270˚, increments of 1˚)

Holder-arm orientation switching (vertical position - horizontal position)

ROUNDTEST EXTREME RA-2100S/H CNCCNC Roundness/Cylindricity Measuring Systems... Greatly Enhancing Productivity and Efficiency

5

SpecificationItem Model No. RA-2100S CNC RA-2100H CNC

Order No. 211-847-1 *(mm/inch) 211-848-1* (mm/inch)Turntable Rotational accuracy Radial direction (0.02 + 3.8H/10000)µm ((0.8+0.38H)µinch); H = probing height above turntable

Axial direction (0.02 + 3.8X/10000)µm ((0.8+0.38X)µinch); X = distance from the turntable axisRotational speed 2, 4, 6, 10rpmEffective table diameter 235mm (9.25")Centering/leveling adjustment AutomaticCentering range ±3mm (0.11")Leveling range ±1°Maximum table loading 30kgfMaximum measuring diameter 256mm (10.07")Maximum workpiece diameter 580mm (22.83")

Vertical drive unit (Z-axis column unit)

Traverse straightness 0.12µm/100mm (4.7µinch/3.93") (λc2.5)0.18µm/300mm (7.1µinch/11.81") (λc2.5)

0.12µm/100mm (4.7µinch/3.93") (λc2.5)0.3µm/500mm (11.8µinch/19.68") (λc2.5)

Parallelism with turntable axis 0.7µm/300mm (28µinch/11.81") (generatrix basis) 1.2µm/500mm (47µinch/19.68") (generatrix base)Traverse speed 35mm/s (1.37"/s) maximum for positioning;

0.5, 1, 2, 5mm/s (0.02, 0.04, 0.08, 0.20"/s) for measuringMaximum probing height

for measuring OD 300mm (11.81") 500mm (19.68")for measuring ID 300mm (11.81") 500mm (19.68")

Maximum probing depth 26mm (1.02") for ø12.7mm (ø0.50") or more104mm (4.09") for ø32mm (ø1.27") or more

(using the standard stylus)Radial drive unit

Arm straightness 0.7µm/150mm (28µinch/5.90") (λc2.5)Perpendicularity to turntable axis 1.0µm/150mm (40µinch/5.90") (generatrix basis)Traverse range 175mm (6.88") (±25mm from the turntable center)Traverse speed 20 mm/s (0.78"/s) maximum for positioning; (0.5, 1, 5mm/s (0.02, 0.04, 0.20"/s) for measuring

Detector Measuring force 7–40mNStylus tip shape/material ø1.6mm (ø0.06") tungsten carbide ballRange Detecting range ±400µm (±0.015”)

Tracking range ±5mm (±0.19”)Other Rotation (within the range 0 to 270°, in increments of 1°)

Others Line voltage 100–240VAir pressure 0.39MPaAir consumption 30 L/min in standard condition (Air supply of 80 L/min or more)Mass of the main unit 180kg (396lb) 200kg (440lb)

*To specify the power line connector required add the following suffixes (e.g.211-847-1A):A for UL/CSA type, C for JIS type, D for CEE type, E for BS type, DC for CCC type K for EK type.

Magnification calibration kitNo.997090A combination of gauge blocks and an optical flat.

Thin workpiece stageNo.12AAE404

Origin point gage for CNCNo.12AAD877

Reference hemisphereNo.211-016

* See page 10 and 11 for optional accessories including interchangeable styli

Standard accessories (RA-2100S/H CNC)

Measuring direction

Top surface/Bottom surface

Internal surface/External surface

Top surface/Bottom surface

Internal surface/External surface

Roughness in circumferential direction

Roughness in horizontal and vertical directions

Surface roughness measurement function

This is a multiple-sensor compatible system that is capable of accepting not only the roundness measuring system standard probe but also a surface roughness measuring detector. It permits verification of both geometric tolerancing on roundness or cylindricity and surface roughness to be performed with a single system.

(Roughness measurement unit: optional)

6

Max.940 (37.01 )

AS/AH: ¿235 (9.25 )DS/DH: ¿200 (7.87 )

667 (26.26 )

Unit: mm (inch)

221 (8.70 )

AS/D

S: 9

00 (3

5.43

)AH

/DH:

110

0 (4

3.31

)

AS/A

H:40

5 (1

5.94

)DS

/DH:

375

(14.

76)

420

(16.

54)

380

(14.

96)

475

(18.

70)

Preliminary measurement Centering/leveling complete


Turntable axis

A

B

Initial misalignment of centers at turntable surface

Turn

tab le

Turntable axis

Turn

tab le


Preliminary measurement is followed by automatic centering and leveling

AAT (Automatic Adjustment Table): Automatic workpiece centering/leveling

Workpiece

Workpiece

Feed the digital micrometer head of the turntable by the deviation displayed.

Preliminarymeasurement Display of misalignments Simple

adjustmentCentering/leveling

complete

Centering range: 5 mmLeveling range of inclination: 1


Initial misalignmentof centers at turntable surface


Turntableaxis

DAT (Digital Adjustment Table): Workpiece centering/leveling with Digimatic micrometer heads

Workpiece

Turntable axisWorkpiece

ROUNDTEST RA-2100AS/AH/DS/DHRoundness/Cylindricity Measuring System... a fusion of the highest level of accuracy and ease-of-use

Highly accurate and easy-to-use turntableWith extremely high rotational accuracy, both in the radial and axial directions, the turntable allows high accuracy flatness testing to be performed in addition to roundness and cylindricity measurements. Incorporating an automatic centering/leveling turntable, the top-of-the-line RA-2100AS/AH models relieve the operator of the bothersome task of workpiece centering and leveling. A guidance system is incorporated into the turntables on the RA-2100DS/DH models to help the operator perform manual centering and leveling smoothly and simply.

Greater productivity by continuous measurementMeasurement/analysis of outside and inside diameters*1 on a hybrid workpiece (as in concentricity measurement) can be performed continuously without the need to change the traverse direction of the detector. *1: Inside diameter up to 50 mm.

Highly repeatable measurements with high-accuracy scalesMitutoyo linear scales are used in the X/Z drive unit to guarantee the high precision positioning so vital for repetitive measurement.

Unique design allows system upgradingThe system can be upgraded to CNC operation by replacing and adjusting the detector unit. (This task should be performed by a Mitutoyo technician.)

Surface roughness measurement function (Surface roughness unit: option)A surface roughness detector, compliant with the relevant International Standards, can be mounted in place of the roundness measuring detector. This creates a multiple sensor system that can not only test the geometrical roundness/cylindricity of a surface but also the roughness of that surface as well.* Please contact a Mitutoyo office for further information.

External dimensions RA-2100AS/AH/DS/DH

Applicable model: RA-2100AS/AH

Applicable model: RA-2100DS/DH

7

82.5 30

3017

5

160

22.5 30

3010

5

Magnification calibration kitNo. 997090A combination of gauge blocks and an optical flat.

Reference HemisphereNo. 211-016

Double length holderNo. 12AAF203For extra-deep holes.

Origin-point gageNo. 998382A gage for zero setting of the R-axis and Z-axis.

Thin workpiece stageNo. 356038Loading diameter: 100 mmDimensions (D x H): 105 x 25 mmMass: 1.7kg

Large diameter holderNo. 12AAF204For measuring a larger OD (70 to 420 mm).

Optional

* See page 10 for optional accessories common to the RA-2100 series. See page 11 for interchangeable styli for use with the RA-2100AS/AH/DS/DH.

SpecificationItem Model No. RA-2100AS RA-2100DS RA-2100AH RA-2100DH

Order No. 211-843 * -1 (mm/inch) 211-863 * -1 (mm)211-873 * -1 (inch)

211-844 * -1 (mm/inch) 211-864 * -1 (mm)211-874 * -1 (inch)

Turntable

Rotational accuracy Radial direction (0.02 + 3.8H/10000)µm ((0.8+0.38H)µinch); H = probing height above turntableAxial direction (0.02 + 3.8X/10000)µm ((0.8+0.38X)µinch); X = distance from the turntable axis

Rotational speed 2, 4, 6, 10rpmEffective table diameter 235mm (9.25") 200mm (7.87") 235mm (9.25) 200mm (0.19")Centering/leveling adjustment AAT DAT AAT DATCentering range ±3mm (0.11") ±5mm (0.19") ±3mm (0.11") ±5mm (0.19")Leveling range ±1°Maximum table loading 30kgMaximum measuring diameter 300mm (11.81")Maximum workpiece diameter 580mm (22.83")

Vertical drive unit (Z-axis column unit)

Traverse straightness (λc2.5) 0.12µm/100mm (4.7µinch/3.93") 0.18µm/300mm (7.1µinch/11.81")

0.12µm/100mm (4.7µinch/3.93") 0.3µm/500mm (11.8µinch/19.68")

Parallelism with turntable axis 0.7µm/300mm (generatrix basis) 28µinch/11.81" 1.2µm/500mm (generatrix base) 47µinch/19.68"Traverse speed 35mm/s (1.37"/s) maximum for positioning;

0.5, 1, 2, 5mm/s (0.02, 0.04, 0.08, 0.20"/s) for measuringMaximum probing height

for measuring OD 300mm (11.81") 500mm (19.68")for measuring ID 300mm (11.81") 500mm (19.68")

Maximum probing depth 100mm (3.93") (using the standard stylus)Radial drive unit

Arm straightness 0.7µm/150mm (28µinch/5.90") (λc2.5)Perpendicularity to turntable axis 1.0µm/150mm (40µinch/5.90") (generatrix basis)Traverse range 175mm (6.88") (±25mm from the turntable center)Traverse speed 20 mm/s (0.78"/s) maximum for positioning; (0.5, 1, 5mm/s (0.02, 0.04, 0.20"/s) for measuring

Detector Measuring force 7–10mN (changeable in 5 steps)Stylus tip shape/material ø1.6mm (ø0.06") tungsten carbide ballRange Detecting range ±400µm (±0.015”)

Tracking range ±5mm (±0.19”)Other IN/OUT switching mechanism, measuring force changeable (in 5 steps)

Others Line voltage 100–240VAir pressure 0.39MPaAir consumption 30 L/min in standard condition (air supply of 80 L/min or more)Basic unit mass 180kg (396lb) 200kg (440lb)

*To specify the power line connector required add the following suffixes (e.g.211-843-1A):A for UL/CSA type, C for JIS type, D for CEE type, E for BS type, DC for CCC type K for EK type.

AccessoriesStandard

8

Roundness/cylindricity measurement/analysis software

ROUNDPAK®

Software to simply control preliminary setup, measurement, analysis, and result output.

Preliminary setupCentering/leveling the workpieceMitutoyo’s unique AAT functionality (which measures initial misalignment and automatically centers and levels the workpiece) and DAT functionality (which measures and displays the amount of adjustment needed to center and level the workpiece) have been highly commended by customers as superb solutions to the bothersome preliminary setup work of centering/leveling.

MeasurementMeasurement modeTwo modes are available for selective use: ‘Simple mode’ to simply measure and ‘Part program mode’ for measurement and analysis of multiple items.

3D simulation screens (work-view windows) can be generated after entering CAD data (in IGES, DXF form) and text data.

(2) Continuous OD/ID measuring functionBoth the OD and ID of a workpiece can be measured in succession without the need for changing the traverse direction of the stylus.

(3) Partial arc measuring functionThis enables measurements to be performed on a workpiece having a projected section or incomplete circumference.

Convenient measuring functions(1) Edge detection functionA coordinate system can be set up for a workpiece. This allows measurements to be repeated easily on identical workpieces.

Simulating part programsThe part program (automatic measurement procedure) can be simulated in 3D form on screen displays generated by the design data generation function.

9

Normal display Shading displaySurface map displayWire-frame display

Result outputResult output is possible in the customer’s original format according to the layout prescribed for the location, size, etc., of the analysis results including graphics and drawings. The original layout, if saved, allows automatic operation from measurement to calculation (automatic saving, results display, and printing) just by pressing the measurement start button.

Measurement data utilization(1) Re-calculation functionIt is possible to re-calculate an analysis using measurement data previously obtained but using changed measurement conditions (filter-cutoff values, etc.), or different analysis parameters.

Graphical display of resultsResults of analyses, such as for cylindricity or coaxiality, can be visually represented by a 3D graphical display. This 3D graphic can be pasted into a report.

(2) Data deletion functionThis function allows calculation/analysis to be performed with only the remaining data after deleting unnecessary point data (from a notched section, or from an area outside the target area on the workpiece) from that obtained by measurement.

Analysis, results output

A variety of parameters and analysis functionsA variety of parameters, not only for roundness and cylindricity, but also for flatness and parallelism, can be handled. Also included are functions for design data best-fit analysis, harmonic analysis and circumferential peak-bottom detection, etc.*1: For further information about parameters, refer to the ROUNDPAK catalog.

10

OPTIONAL ACCESSORIES

Options common to the RA-2100S/H CNC, RA-2100AS/AH/DS/DH

Centering chuck (key operated)No.211-014Suitable for holding longer parts and those requiring a relatively powerful clamp.• Holding capacity:

Internal jaws, OD: 1-35 mm Internal jaws, ID: 33-85 mm External jaws, OD: 30-80 mm

• External dimensions: ø157x76 mm• Mass: 3.8 kg

Centering chuck(ring operated)No.211-032Suitable for holding small parts with easy-to-operate knurled-ring clamping.• Holding capacity:

Internal jaws, OD: 1-36 mm Internal jaws, ID: 14-70 mm External jaws, OD: 1-75 mm

• External dimensions: ø118x34 mm• Mass: 1.2kg

Micro-chuckNo.211-031Used for clamping a workpiece with a diameter less than 1 mm that the centering chuck cannot handle.•Holding capacity: up to ø1.5 mm

• External dimensions: ø118x48.5 mm • Mass: 0.8kg

Magnification calibration gageNo.211-045Used for normalizing detector magnification by calibrating detector travel against displacement of a micrometer spindle.• Maximum calibration range: 400µm• Graduation: 0.2µm• External dimensions (WxDxH):

235(max)x185x70 mm• Mass: 4kg

Vibration isolatorNo.178-025• Vibration isolation method: Air suspended, diaphragm isolation

system.•External dimensions: ø70x250 mm

Vibration isolator standNo.178-024

Cylindrical squareNo.350850• Straightness: 0.5µm• Cylindricity: 2µm• External dimensions: ø70x250 mm• Mass: 7.5kg

Protective shieldNo.12AAB949

ø2.4 ø1

.2

44.6

20

33 33

44.2

12 ø0.6

44.1

333

ø0.3

43.8

33

44.7

ø2.4 1.2

9.5

ø1.2

69.7

68.8

58

ø2.4

2.8

172

58

8.1

ø2.4

ø1.2

(69.6)

Standard stylus for RA-2100S/H CNC Standard stylus for RA-2100S/H CNC

43.8

44.7

ø2.4

33

6.9

140

ø2.4

44.633

ø1.2

23.1 165

ø1.2

33

44.6

ø 2.

4

8.1 1658.

8

ø2.4

45.333

ø1.2

Interchangeable Styli for RA-2100S/H CNCGroove

12AAE310ø1.6 mm tungsten carbide

Flat surface12AAE302

ø1.6 mm tungsten carbide

General purpose12AAF150


Notch12AAE309


Application/TypeOrder No.Stylus tip

Dimensions(mm)

ø1.6 mm ball12AAE303






Deep groove12AAE308



Dimensions(mm)

Deep hole A12AAE306


Deep hole B12AAE307



Dimensions(mm)

11

66

5.5ø4

66

Included in the 5-piece set No. 12AAC134

7ø4

ø4

66.7


ø4

66

ø4

ø 266.7

ø 0.8 mm tungsten carbide ball

12

ø4

40

66

ø1.6 mm tungsten carbide ballø466

ø4


11

66

10

3

321.2ø4

ø0.5 mm tungsten carbide ball(ø0.3 mm shaft)

10

2066

ø4 ø1.2

3

ø1.6 mm tungstencarbide ball


6668

3 ø12

10 0.5

ø4

66

67.5

9.5

5.5

2.8

ø4

ø1 mm tungsten carbide ball

6

ø4

2.8

67.5

6.5

2.5

66ø0.5 mm tungsten carbide ball 660.5

ø2

R1

5

ø4 146

5.5

ø4


1467

ø4

ø4

146.3

ø4

145.9

ø4

ø2

146.3

146

ø4

5610

ø4

3

M2 Depth 4M2

66

ø4

3.5

M2146

ø4

3.5

Interchangeable Styli for RA-2100AS/AH/DS/DHStandard type (furnished)

12AAB681ø1.6 mm tungsten carbide

Notch12AAB682

ø3 mm tungsten carbide

Deep groove12AAB683

0.25 mm radius sapphire

Corner12AAB684



Dimensions(mm)

Cutter mark12AAB685

15 mm radius tungsten carbide

Small hole (ø0.8)12AAE859


Small hole12AAB686


Small hole (ø1.6)12AAE855



Dimensions(mm)

Extra small hole (Depth: 3mm)12AAB687


ø1.6 mm ball12AAB674


Disk12AAB694

ø12 mm

Crank (tip: ø0.5 mm )12AAB696

ø1.6 mm tungsten carbide Depth: 2.5 mm


Dimensions(mm)

Crank (tip:ø1 mm)12AAB695

ø1 mm tungsten carbide Depth: 5.5 mm

Flat surface12AAE856

Tungsten carbide

2X-long type*12AAB688


2X-long type notch*12AAB689



Dimensions(mm)

2X-long type deep groove*12AAB690


2X-long type corner*12AAE691

ø1 mm tungsten carbide Sapphire

2X-long type cutter mark*12AAB692

15 mm radius tungsten carbide

2X-long type small hole*12AAB693



Dimensions(mm)

Stylus shank12AAB676

Stylus shank (standard groove)12AAE857

For mounting CMM stylus (mounting thread M2)

Stylus shank (2X-long groove)12AAE858


Dimensions(mm)

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Note: All information regarding our products, and in particular the illustrations, drawings, dimensional and performance data contained in this pamphlet, as well as other technical data are to be regarded as approximate average values. We therefore reserve the right to make changes to the corresponding designs, dimensions and weights. The stated standards, similar technical regulations, descriptions and illustrations of the products were valid at the time of printing. In addition, the latest applicable version of our General Trading Conditions will apply. Only quotations submitted by ourselves may be regarded as definitive.

Specifications are subject to change without notice.

32.0

0060

3 (6

) EN

E, P

rinte

d in

Japa

n

form measurement roundtest ra-2100 · pdf fileroundtest ra-2100 series ... styli, chucks and...

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