ACU-RITE Micro-Line M User Manual
MICRO-LINE
For Milling Applications
REFERENCE MANUAL
™
l l l l l l l l l l l l l l l l l
Readout Systems
Precision Glass Scales
TABLE OF CONTENTS
General
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Packing List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Warranty Records . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Installing the Scales . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Installing the Readout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Power Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Display Saver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Setup
Parameter Setup. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Display Resolution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Linear Error Compensation. . . . . . . . . . . . . . . . . . . . . . . . . . . 7
How to Determine the Linear Error Compensation . . . . . . . . . 8
Scale Resolution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Count Direction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Testing the Scales. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Counting Test. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Repeatability Test. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Operation
Setting the Datum (Absolute Zero) . . . . . . . . . . . . . . . . . . . . . . . . 12
At Current Position. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Using an Offset. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Incremental Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Example. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Presets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Example. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Centerline. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Setting Datum on a Centerline . . . . . . . . . . . . . . . . . . . . . . . . 19
Example. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Locating Centerline Using Incremental Dimensions . . . . . . . . 21
2004-710 Ed B
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TABLE OF CONTENTS
Bolthole Patterns. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Creating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22, 23
Running . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24, 25
Troubleshooting
Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Error Messages (General) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Keypad Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Reference
Electrical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Factory Default Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Keypad . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35, 36
Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
DRO Mode (2- and 3-axes systems) . . . . . . . . . . . . . . . . . . . . 37
Count Direction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Recalling the Last Datum Setting for International Units . . . . 38
Absolute and Incremental Dimensions . . . . . . . . . . . . . . . . . . 39
Scale Installation
General Installation Instructions for the Scale . . . . . . . . . . . . . . . . 40
Installation Brackets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Mounting Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Mounting Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Scale Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Mounting Illustrations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Installation Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Warranty. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
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MICRO-LINE Reference Manual
G E N E R A L
Overview
This manual will guide you through the installation, setup, and operation
of the MICRO-LINE system. Use it to get your system up and running
“out of the box” and as a quick reference guide for your day-to-day
operations.
Install the scales first, according to the instructions included in this man-
ual. After the scales are in place, install the readout and then finish set-
ting up the system.
Here’s how a typical machine will look after the installation is complete:
Z-axis Scale
(if applicable)
Mounting
Arm
MICRO-LINE
Readout
X-axis Scale
(behind the table)
Y-axis Scale
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GENERAL
Preparation
Packing List
Verify that you have received all of the components for your system:
• Readout instructions
• Installation instructions
• Mounting arm
• MICRO-LINE scale(s)
- Cable mounting hardware
- Scale mounting hardware
• Warranty card
If a component is missing, contact your MICRO-LINE distributor
immediately for replacement.
Warranty Records
Complete the warranty card included with your MICRO-LINE system.
The readout’s catalog and serial numbers are on the back of the display;
the scale’s catalog number is on the scale assembly label; and the serial
number is on the scale case.
Copy the information here for your own records and mail the warranty
card as soon as possible.
Distributor: _____________________________________________
Address: _____________________________________________
Telephone: _____________________________________________
Catalog No. Serial No.
Readout ________________ ___________________
Axis #1: ________________ ___________________
Axis #2: ________________ ___________________
Axis #3: ________________ ___________________
Date of Purchase: ____________________________________
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GENERAL
Installing the Scales
Install the scales according to installation instructions found in this manual. These general installation instructions are found on page 40. Please
read the instructions completely before beginning. If specific bracket kit
instructions are included, they supersede instructions contained within this
manual.
Installing the Readout
Follow the readout installation instructions that are included with your
mounting arm bracket kit. The electrical specifications for the readout
are listed on pg. 33.
After the installation is complete, proceed to “Power Up.”
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G E N E R A L
Power Up
Press the switch on the back of the readout to power up the system. A
series of tests will check that the display, keypad, and memory are all
working properly.
If a problem is detected, an error code will appear on the screen. (Error
messages and solutions are listed on pgs. 31 - 32.) It is important to
note that the E1 message will appear every time you power up your
system and does not indicate a problem. It merely indicates that the
system had lost power. To acknowledge the message, press the CLEAR
key and proceed to the DRO mode.
Note: If the E1 message appears at any other time during normal
operation, refer to pg. 31 for possible problems and solutions.
Display Saver
When the system is not used for more than 90 minutes, a decimal point
will “scroll” across the X-axis display, indicating that the display saver
has been activated. The display saver, like a screen saver on a computer
monitor, will help prolong the life of your readout.
If the display saver has been activated, press any key on the readout or
move the table to return to the normal DRO view.
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MICRO-LINE Reference Manual
SETUP
Parameter Setup
There are four parameters that you can define on your system:
• Display resolution (diS)
• Linear error compensation (LEC)
• Scale resolutions (rES)
• Scale count directions (Ct dir)
Establish each setting the first time you power up the system. You can
change the parameters later by returning to Setup and then using the
ENTER key to scroll to the appropriate category.
Anytime you change the linear error compensation, or count direction
for an axis, the absolute and incremental displays for that axis will be
reset to 0. If you change these settings, you will need to re-establish the
datum point.
For international units using 5µm (0.0002”) scales with reference
marks, you will need to recall Datum. Refer to pg. 38 for instructions.
When in the Setup mode, use the CLEAR key when you want to backspace, restore the previous value or access the previous parameter.
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SETUP
Display Resolution
The display resolution determines how detailed each scale’s position
will be displayed on the readout. Use the setting that best suits each job.
To change the display resolution:
• Press the SETUP key. (“diS” will show on the display.)
• Press the
For 10µm scales, the display resolution will toggle between 0.01 mm
(0.0005”) and 0.02 mm (0.001”). For 5µm scales, it will toggle
between 0.005 mm (0.0002”) and 0.01 mm (0.0005”).
• After you complete setting your display resolution, press ENTER to
continue with setup or press ENTER then SETUP to return to the normal DRO display.
X, Y, or Z key for the display you want to change.
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MICRO-LINE Reference Manual
SETUP
Linear Error Compensation
With MICRO-LINE, you can compensate for machine tool wear. If you
know the linear error compensation (LEC) value in parts per million
(PPM), you can enter it directly.
If you don’t know the LEC, use the formula on the next page to determine
the value for each axis.
To change the linear error compensation:
• Move to the “Linear Error Compensation” display in the Setup
mode. (Press
appears).
SETUP and then the ENTER key until the display
• Press the
MICRO-LINE will display the current LEC value for that axis.
• Using the keypad, enter the linear error compensation factor
(in PPM), followed by a + or - sign. The number must be within
-9999 and 9999 (use whole numbers). The formula for calculating
the value is on the next page.
• After you complete setting your LEC, press ENTER to continue with
setup or press ENTER then SETUP to return to the normal DRO
display.
X, Y, or Z key for the axis you want to change.
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SETUP
How to Determine the Linear Error Compensation
Follow this procedure for each axis:
• In the DRO mode.
• Place a standard of known length on the table. Make sure it’s parallel
with the table’s travel.
• Put the readout in the absolute display mode (ABS/INCR key).
• Using an edge finder or dial indicator, locate one end of the standard.
• Press the ZERO key twice for the axis you are measuring. “0” should
appear on the display.
• Move the table along the axis until the edge finder or dial indicator
reaches the opposite end of the standard.
• Write down the length that is shown on the readout display for
that axis.
• Use the formula below to calculate the LEC for the axis you just
measured. Enter the result in the LEC screen (previous page).
Note: If the measured length is greater than the standard length the
LEC value will be negative.
Formula
S = Standard length
M = Measured length
Example
If the length of the
standard you used is
10” and the measured
length along the Xaxis is 9.995”, then
the LEC for the Xaxis is 500 parts per
million (PPM).
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LEC =
LEC =
LEC =
MICRO-LINE Reference Manual
S - M
(
M
10 - 9.995
(
9.995
500 PPM
(rounded to the nearest
whole number)
x 1,000,000
)
)
x 1,000,000
SETUP
Scale Resolution
To ensure accurate readings, the scale resolution shown for each axis
must correspond with the resolution of the scales on your machine.
To change the scale resolution:
• If necessary, choose “Scale Resolution” from the Setup menu. (Press
SETUP and then the ENTER key until the screen appears).
• Press the X-axis key until the appropriate resolution appears. Choose
0.01 mm for 10µm (0.0005”) scales and 0.005 mm for 5µm (0.0002”)
scales (international units only).
• Repeat the procedure for each axis.
• Press
ENTER to continue with Setup.
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SETUP
Count Direction
Use the count direction setting to define the positive counting direction
for each scale. The direction will be displayed as a “1” or a “2” (the
numbers are not assigned to a particular direction). You only need to
change the count direction if the scale is counting in the negative
direction during a positive table move, or vice versa.
Refer to Conventions on pg. 37 for more guidelines.
To change the count direction:
• Move to the “Count Direction” display in the Setup mode. (Press
SETUP and then the ENTER key until “Ct dir” appears).
• Press the appropriate axis key (
(1 or 2) will appear.
• After you complete setting your count direction, press
tinue with setup or press
DRO display.
X, Y or Z). The current count direction
ENTER then SETUP to return to the normal
ENTER to con-
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MICRO-LINE Reference Manual
SETUP
Testing the Scales
Follow these steps to confirm that the scale has been installed properly.
The Counting Test will confirm the scale’s electrical operation, and the
Repeatability Test will check the installation integrity.
Counting Test
• Move the table along each axis, one at a time. Check that the
readout correctly displays the table’s movement. If it doesn’t, then
the scale resolution you selected may not be accurate. Refer to
Scale Resolution on pg. 9 for instructions.
Repeatability Test
• Locate a magnetic base and dial indicator on the end of the scale.
Zero the readout and the indicator.
• Move the axis through the full travel and return the dial to “0.”
The readout should also read 0 (±.0005” for 10µm scales;
±0.0002” for 5µm scales). If it doesn’t, then the scale cable may
be loose, or the scale, mounting bracket, or reading head may
need to be tightened or realigned.
• Repeat these steps for each scale.
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O P E R AT I O N
Setting the Datum (Absolute Zero)
MICRO-LINE allows you to measure both absolute and incremental
dimensions. A dimension measured from the point you define as the
datum is an absolute dimension. A dimension measured from any other
point on your print is an incremental dimension.
Datum, also known as absolute zero or workpiece zero, is the reference
point from which
When the readout is in the ABS mode, it is actually measuring the distance from the datum to the table’s current position.
You will need to establish a datum for every job. Your datum may
already be identified on your print; if it isn’t, then establish a datum that
allows you to enter most of your part’s dimensions directly, with the
least number of calculations.
All of the dimensions in the drawing below are based from the datum.
MICRO-LINE will base all of your part’s coordinates.
Datum
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MICRO-LINE Reference Manual
OPERATION
If you are using 5µm (0.0002”) scales (international units only),
MICRO-LINE can recall your last datum position each time you
power up the system. Refer to pg. 38 for the proper procedure.
To set the datum at the tool’s current position:
• Position the workpiece on the table. Move the table until the tool is
centered on the edge of the workpiece at the location where you
would like to establish the datum.
• Using the ABS/INCR key, select the absolute (ABS) mode.
• Press the X-axis ZERO key twice to establish the current X-axis
position as the datum. Repeat for the Y- and Z-axes.
To set the datum using an offset:
• Using the ABS/INCR key, select the absolute (ABS) mode. Also
check that the proper measurement (inch or mm) is selected.
• Move the tool to a known point, i.e. the outside diameter of the
workpiece or the face of the workpiece.
• Press the ZERO key for the axis (X, Y or Z) you are entering a
dimension for.
• Using the keypad, enter the distance from your tool’s current
location to the point you want to establish as the datum. Include a
decimal point (.) and minus (-) sign when necessary.
• Press the ZERO key for another axis, or press ENTER to return to
the DRO display.
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