Starrett MVR200 Manuale utente

MVR200 & MVR300

Manual Video Metrology Systems

User Manual

Starrett Kinemetric Engineering

26052 Merit Circle, Suite 103

Laguna Hills, CA 92653, USA

www.starrettkinemetric.com

Phone: (949) 348-1213

Fax: (949) 582-8040

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Table of Contents

1. PREFACE...............................................................................................................................................3

1.1 Welcome......................................................................................................................................3

1.2 Safety Symbols & Terminology....................................................................................................3

1.3 Warranty ......................................................................................................................................3

1.4 Regulatory Compliance ...............................................................................................................4

1.5 Disclaimer of Liabilities................................................................................................................4

1.6 Copyright & Trademark Information ............................................................................................4

2. PRODUCT DESCRIPTION ....................................................................................................................5

2.1 Overview......................................................................................................................................5

2.2 MVR Options ...............................................................................................................................5

3. System Specifications .........................................................................................................................6

3.1 MVR200 & MVR300 System Components..................................................................................7

3.2 Operator Controls and Electrical Connections ............................................................................7

3.3 Changing Optics Assemblies.......................................................................................................9

3.4

Optimizing Substage Illumination

............................................................................................10

3.5

Mechanically Leveling the Stage Glass

..................................................................................10

3.6 Environmental Considerations...................................................................................................11

3.7 Safety Considerations................................................................................................................12

3.8 Equipment On/Off Control .........................................................................................................12

3.9

Fuses

.........................................................................................................................................12

4. INSTALLATION ...................................................................................................................................13

4.1 Moving the Equipment...............................................................................................................13

4.2 Uncrating the Equipment...........................................................................................................13

4.3 Placing the Equipment...............................................................................................................13

4.4 Removing Shipping Retainers...................................................................................................15

4.5 Electrical Connections...............................................................................................................16

4.6 On-site Functional Test, Calibration and Training.....................................................................17

5. MEASUREMENT STRATEGY.............................................................................................................18

5.1 Telecentric Lens Measurement Strategy...................................................................................18

5.2 Zoom Optics Measurement Strategy.........................................................................................18

5.3 Illumination Strategy..................................................................................................................18

5.4 Magnification Strategy...............................................................................................................18

5.5 Focus Strategy...........................................................................................................................19

5.6 Parts Fixturing............................................................................................................................19

5.7 M3 Software Operation..............................................................................................................19

6. SYSTEM MAINTENANCE ...................................................................................................................20

6.1 Daily Inspections........................................................................................................................20

6.2 Weekly or Monthly Maintenance ...............................................................................................20

6.3 Zoom Optics Alignment Verification ..........................................................................................20

6.3.1

Zoom Optics Parfocality & Focus

...................................................................................20

6.3.2

Zoom Optics Parcentricity

...............................................................................................21

6.3.3

Zoom Optics Squareness

................................................................................................21

6.4 Calibration Verification...............................................................................................................22

6.5 Cleaning.....................................................................................................................................23

6.5.1

Cleaning External Surfaces

.............................................................................................23

6.5.2

Cleaning Optics

................................................................................................................23

7. GLOSSARY .........................................................................................................................................25

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1. PREFACE

1.1 Welcome

Thank you for purchasing an MVR200 or MVR300 Manual Video Metrology System. We are

pleased that your search has led you to Starrett Kinemetric

Engineering, a subsidiary of the L.S.

Starrett Company.

This manual is intended to maximize your satisfaction with your system and

ensure the most in operating performance. Feel free to contact Starrett Kinemetric Engineering

at any time. We value your feedback and your satisfaction as a customer.

1.2 Safety Symbols & Terminology

The following symbols and terms are used in this manual to call attention to important safety

issues. Heed these notices carefully in order to avoid personal injury or damage to the system.

Symbol

or Term

Meaning

CAUTION:

Failure to heed the message may result in personal injury or

equipment damage.

WARNING:

Dangerous voltage. Risk of electrical shock. Failure to observe this

warning may result in equipment damage, personal injury or death.

WARNING:

Disconnect equipment from power source. Failure to observe this

warning may result in equipment damage, personal injury or death.

CAUTION:

Pinch Point - Keep hands clear. Failure to observe this warning may

result in minor to severe personal injury or equipment damage.

DANGER

Immediate hazard which could result in severe personal injury or death.

WARNING

Hazard or unsafe practice which could result in personal injury.

CAUTION

Hazard or unsafe practice which could result in equipment damage or minor injury.

NOTE

Information that is helpful in properly operating the equipment.

CAUTION

Hazard or unsafe practice which could result in equipment damage or minor injury.

NOTE

Information that is helpful in properly operating the equipment.

1.3 Warranty

Starrett Kinemetric Engineering (SKE) products carry a one-year warranty from date of purchase

against defects in material or workmanship (parts and labor), subject to factory inspection

The

L.S. Starrett Company will repair or replace, at its option, any part or parts found to be defective

in material or workmanship. Starrett warrants repaired or replaced parts for the balance of the

original warranty period or 90 days, whichever is longer. Parts returned to the factory under war-

ranty will be repaired at no charge. Freight charges to the factory will be paid by the customer.

Return freight charges to the customer will be paid by Starrett.

This warranty does not cover damages from such causes as abuse, accident, neglect, fire or

freight damage. It does not apply to defects resulting from modifications made by the customer

or improper use of the system or its components.

- 4 -

1.4 Regulatory Compliance

The MVR200 and MVR300 Video Metrology Systems have been inspected, tested, and

evaluated by independent test laboratories and are declared to comply with Council Directives

2006/42/EC - Machinery and 2002/95/EC RoHS (by exemption) when installed and operated in

accordance with this manual. Accordingly, these systems are entitled to bear the CE Mark. The

Product Safety, EMC Testing and Evaluation reports can be provided upon request.

EMC Test Standards

EN 61326-1:2013

CISPR 11:2003+A1:2004 +A2:2006

Radiated and Conducted Emissions

IEC 61000-4-2:2009

Electrostatic Discharge Immunity

IEC 61000-4-5:2006

Power Line Surge Immunity

IEC 61000-4-4:2012

Electrical Fast Transients Burst Immunity

EN 61000-4-6:2009

RF Common Mode Immunity

IEC 61000-4-3:2006 +A2:2010

Radio Frequency Immunity

IEC 61000-4-8:2010

Power Frequency Magnetic Field Immunity

IEC 61000-4-11:2004

Voltage Dips and Short Interruptions Immunity

Safety Standards

EN 60204-1:2006+A1:2009

Safety of Machinery, Electrical Equipment of Machines

EN 12100

Safety of Machinery, Principles for Risk Assessment

1.5 Disclaimer of Liabilities

The L.S. Starrett Company shall have no liability or responsibility to the customer or any other

person or entity with respect to any liability, loss or damage caused or alleged to be caused

directly or indirectly by this documentation, or the hardware and software described in it. This

includes, but is not limited to, any interruption of service, loss of business or anticipatory profits,

or consequential damages resulting from the use or operation of hardware or equipment.

1.6 Copyright & Trademark Information

MVR200™and MVR300™are trademarks of the L.S. Starrett Company.

M3™is a trademark of

MetLogix, Inc.

Windows

is a registered trademark of Microsoft Corporation

- 5 -

2. PRODUCT DESCRIPTION

2.1 Overview

The MVR Series of advanced benchtop manual video metrology system consists of two base

models: the MVR200 with 200 x 100 x 200 mm (8” x 4” x 8”) of X-Y-Z travel, and the MVR300 with

300 x 200 x 200 mm (12” x 8” x 8”) of X-Y-Z travel.

Both MVR models feature a granite base for stability, recirculating ball linear guides for smooth

stage motion, and a motorized Z-axis. All electronics other than in the system’s PC are housed in

the Z-column, providing a clean, integrated system with minimal external wiring. Two high-speed

data cables carry all signals between the metrology unit and PC. Superb metrology performance

is provided by 0.5 micron resolution linear encoders, a high-resolution color video camera, two-

channel LED lighting, and precision optics, which can be 6.5:1 manual zoom optics or any of six

telecentric lenses for field-of-view (FOV) measurements. FOV measurements can encompass an

entire small part up to 2.00” x 1.50” or a feature of a larger part and be seamlessly integrated with

stage motion to measure parts with a length up to 200 mm (MVR200) or 300 mm (MVR300).

The operator interface is a 21.5” all-in-one touch screen PC which runs MetLogix M3 FOV soft-

ware under Windows® 7 Professional. This software supports 3-axis measurements and 2D

geometrical constructs (points, lines, angles, rectangles). The screen displays a live video image

of the part plus geometry tools and digital readings. The image of the part can be resized using

zoom, and measurements can be taken by simply tapping a feature on the screen. A keyboard

and a wireless mouse are also provided, and are used for file operations.

With the M3 DXF/FOV option pack, DXF CAD files can be imported over a network and be auto-

matically compared to actual measurements.

2.2 MVR Options

The MVR Series is available as basic MVR200 or MVR300 systems with factory installed manual

zoom optics, and as MVR200 or MVR300 FOV systems with a bayonet lens mount for quick

change of optics by the user.



The basic MVR200 and MVR300 systems come with a 1 Mpixel color video camera and 6.5:1

manually adjustable zoom optics. Two-channel illumination is provided by an LED ring light and

collimated LED sub-stage lighting.



The MVR200 FOV and MVR300 FOV systems come with a 2 Mpixel color video camera and

a bayonet lens mount which accepts a 6.5:1 manual zoom lens or any of six available fixed

magnification telecentric lenses (0.30X, 0.50X, 0.80X, 1.0X, 2.0X, 4.0X), where the stated

magnification is the image size on the camera CCD divided by the corresponding object size.

Options include auxiliary lenses for the zoom optics (0.5X, 1.5X, 2.0X), a choice of NIST-traceable

calibration standards, and an ergonomic workstation.

- 6 -

3. System Specifications

Feature

MVR200

MVR300

Measurement Range, X-Y-Z

200

100

200

mm (8”

4”

8”)

300

200

x 200

mm (12”

8”

8”)

Unit Dimensions, H x W x D

865 x 600 x 645 mm

(34” x 23.7” x 25.4”)

865 x 790 x 865 mm

(34” x 31” x 34”)

Metrology Base

Granite

Reading Resolution, X-Y-Z

0.5 µm (0.00002”)

Reading Accuracy, X-Y-Z

Accuracy: 1.9 µm + 5L/1000 for X and Y, 2.5 µm + 5L/1000 for Z

Motion Control

Manual X and Y, motorized Z

Substage Illumination

LED illumination matched to camera optics

Surface Illumination

LED ring light

Camera Resolution

1 MP (

1024 x 768 pixels) for basic models with dedicated zoom optics

2 MP (1620 x 1236 pixels) for models with bayonet lens mount

Image Update Rate

15 frames/sec, including image processing

Computer Hardware

All-in-one PC with 55 cm (21.5”) color touch screen, 4 GB RAM

Computer Interfaces

Ethernet (1 GB/sec), Wi-Fi, four USB 2.0 ports

Data Storage

500 GB hard disk

Operating System

Windows

7 Professional

Application Software

MetLogic M3 metrology software and DXF/FOV option pack

Geometrical Constructs

2D geometries plus height

Comparison to CAD Files

DXF CAD file import, automatic comparison to CAD files

Operator Controls

Computer touch-screen, keyboard with integral touchpad

Optics Mounting

Fixed mount or bayonet fitting for quick optics changes

Power for Metrology Unit

“Brick” type AC adapter, 100/240 Vac input, 24V, 5A output

Power for All-in-One PC

“Brick” type AC adapter, 100/240 Vac input, 19.5V, 7.9A output

Zoom Optics

6.5:1 Zoom

Magnification on CCD

0.70X to 4.50X

Field of View Width

10 to 1.6 mm (0.39” to 0.06”)

Magnification on Monitor

31X to 200X

Zoom Working Distance

88 mm

Available Auxiliary Lenses

0.5X, 1.5X, 2.0X

Telecentric Optics

0.30

0.50

0.80

1.0

2.0

4.0

Magnification on CCD

0.30X

0.50X

0.80X

1.0X

2.0X

4.0X

Magnification on Monitor

13X

22X

36X

45X

89X

178X

Field of View Width

24 mm

0.93”

14 mm

0.56”

8.9 mm

0.35”

7.1 mm

0.28”

3.6 mm.

0.14”

1.8 mm

0.07”

Optical Distortion (ΔH/H)

0.003%

0.018%

0.009%

0.003%

0.006%

0.005%

Telecentric Working Dist.

110 mm

At 1:1 pixel setting

Disclaimer: Due to continual product improvements, specifications may change without notice.

- 7 -

3.1 MVR200 & MVR300 System Components

MVR200 benchtop vision metrology system

3.2 Operator Controls and Electrical Connections

Operator Controls on Left Side

HandwheelwithcrankforX-axismotion

Three-position toggle switchfor fine/coarse speed

controlof Z-axistravel.

Video probe with

video camera

and telecentric

or zoom optics

Bayonet mount

for quick-change

optics (if ordered)

LED surface

illumination

X-Y stage with

LED substage

illumination

Hand wheel for

manual X-axis

travel

Three-position

toggle switch for

fine/coarse speed

control of Z-axis

travel

Machined Z column

with plastic cover.

Houses all electronics

other than touch-screen

PC.

200 mm (8”) of

motorized vertical

Z-axis travel

Knob for X-axis travel

Granite base

Hand wheel for Y-axis

travel

Proportional speed

control switch for up-

down Z-axis travel

- 8 -

Operator Controls on Right Side

Knob for X-axismotion. Attachedtosameshaft as

handwheel onleftsideofmachine.

HandwheelwithcrankforY-axis motion

Proportional speed control switch for up-down

Z-axis travel

On-OffSwitch and Electrical Connections

On-Off switch.Usedtoturnmachineoffwhen notinuse.

24 Vdc power input from ‘brick” type power supply on

floor.

USBconnectiontoall-in-onePCforencodersignals.

USBor Ethernetconnectiontoall-in-onePC forcamera

signal. Thechoice ofUSB orEthernetdependsonthe

type of camera.

Electronics Compartmentin Back

The backofthemetrologyunit is hingedandholdsacompartmentwithallelectronicsotherthantheall-in-one

PC.Removingtwoknurledhand-screwsprovides accesstothiscompartment.Thisisforserviceaccess only.

There areno useradjustmentsor controlsbehindthehingedback.

- 9 -

3.3 Changing Optics Assemblies

MVR systems equipped with a bayonet optics mount allow their optics assemblies to be changed

quickly by the user, for example to switch from zoom operation to fixed-magnification telecentric

measurements, or to switch between telecentric lenses with different magnifications.

NOTE

he positioning of different optics assemblies in the bayonet mount is not

exact, so do not change optics in the middle of a measurement run.

An LED quad ring light is normally part of the 6.5:1 zoom optics assembly and should always

remain attached to that assembly. A different LED ring lights fits all telecentric lens assemblies

from 0.3X to 4.0X. This ring light can be transferred from one telecentric lens to another when

these have been removed from the system.

6.5:1 zoom optics assembly (left), telecentric optics assembly (right)

To remove a lens assembly from the system, first detach the electrical connections of the ring

light. Note that the electrical connectors are latched. Pry the plastic latch open with a flat-blade

screwdriver, and the two connector halves will separate easily. Give the optical assembly a quarter

turn counterclockwise, and the assembly will suddenly be released. Reverse the process to

reinstall.

Cautions

Use two hands to remove a lens assembly, as it is heavy and is suddenly released

after giving it a quarter turn counterclockwise. A drop onto the stage glass could

break the lens and the stage, causing expensive damage.

Do not leave the camera unprotected by a lens assembly to minimize dust settling on

the CCD sensor surface.



Do not touch optical surfaces, since oil from your hands can permanently

damage optical coatings.



Place unused lens assemblies in a polyethylene Ziploc bag for dirt protection.



Store unused lens assemblies in a safe place, since they are breakable and

expensive.

- 10 -

First unplug the ring light connector.

Then remove optics assembly using two hands.

3.4

Optimizing Substage Illumination

MVR systems with dedicated optics (zoom or telecentric) and without a quick-change bayonet

lens mount are shipped with LED substage illumination that is optimized for these optics. No

action is required by the user.

MVR systems with the quick-change bayonet lens mount require that substage illumination be

modified when switching between telecentric and zoom optics, since a smaller aperture will

produce better results with zoom optics. This is achieved by reducing the aperture of a variable

aperture if such an aperture is part of the system, or by dropping in an aperture plate if furnished

with the zoom optics.

Access to the substage lighting requires that the glass plate be removed from the MVR stage.

To do so, remove the four screws that secure the glass plate to the stage. Once these have been

removed, place two fingers in the spaces vacated by the screws and pry up one side of the glass

pate. Better yet, use a suction cup to pull up one side of the glass plate.

3.5

Mechanically Leveling the Stage Glass

The glass plate can be considered level if the video image of an artifact remains in focus at high

optical magnification for any stage position. MVR systems allow the glass plate to be leveled

mechanically by about 1.5 mm using four screws whose head has been machined to a conical tip.

Turn a screw clockwise with a 2.5 mm Allen wrench to move it toward the glass plate and raise

the stage. Turn a screw counterclockwise to move it away from the glass plate to lower it. Note

that glass does not rest directly on the conical tips, but is held by a steel frame. The glass plate

is secured by screws with a spring washer. Orient the washers as shown in the photo below,

keeping them barely compressed so that they have an adjustment range. Four-point support will

provide pivot action around two diagonal axes, so make screw adjustments until the image

remains in focus and the glass plate no longer tips around a diagonal axis.

Conical tip, indentation for attachment

screw with spring washer

Glass plate with steel base and attachment

screw with spring washer

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