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Using Gages
Supplemental Information
TopicsA. SOP# 15
1. Signing the Gages in and out2. Gage Calibration & Verification
B. Overview1. Care & Maintenance2. Techniques for Use3. Specifications4. Tolerances
C. Proper use of1. Calipers2. Micrometers3. Gage Blocks4. Pin Gages
A-1. SOP #15 Gage Sign Out
1. Asset Number
2. Assigned toeach device
3. Tagged or Written on the box
4. Engraved oneach device
14114155Important: Tag and Engraved number must match
A-2. SOP #15 Gage Calibration & Verification
1. All Gages are Calibrated once a year and have a Calibration Sticker
2. Verify Calipers and Micrometers w/ Certified Gage Blocks (field verification with Pin Gages)
3. Verify Pin Gages w/ (verified) Calipers or Micrometers
4. Any doubt – Kick it out(return for calibration)
A-2. SOP #15 Gage Calibration & Verification
Control of Monitoring & Measuring Devices
Issued: 5-31-02Rev. Date: 4/28/03Rev. C
Control of Monitoring & Measuring Devices
CONFIDENTIAL
Element Reference: 7.6 Control of Monitoring and Measuring Devices
SOP# 15
Upon receipt ofgage verify the
gage, calibrationcertificate and
label(s)
See WI-01-CAL
Send out toapproved source
See WI-01-CAL
Calibration certificatesare maintained byCorporate Quality
Department
Verify device and sign ingage on the EquipmentCheck Out Log PAI# 30
See WI-01-CAL
Gage is assigned anasset number
Does gage effectproduct quality?
Gage becomes aWorkshop device
Label with appropriatelabel
Store in appropriatelocation
Gage becomes acalibrated device and iscalibrated a minimum of
every twelve months
Add to CalibrationSchedule PAI# 79
All gages includingWorkshop Devices are
verified with a calibrateddevice before distribution
to project
Project finished with useof gage
PA gage?
Customer gages arechecked in & out on
Customer Tracking LogPAI# 30A
Responsibility ofcalibration of
customers gages isthat of customers
Use on project
Sign out gage on theequipment check out log
PAI# 30
No Yes
Yes
No Yes
No
No
Yes
Does gage needto be used for
a project?
Yes
Process CompleteNo
Packing SlipPAI#11
Purchase OrderPAI# 85
PAI GageTolerance
Specification List
Does it readcorrectly?
Yes
No
Is it on theSchedule?
Does thegage need to be
calibrated?
54
A-2. SOP #15 Gage Calibration & Verification
Control of Monitoring & Measuring Devices
Issued: 5-31-02Rev. Date: 4/28/03Rev. C
Control of Monitoring & Measuring Devices
CONFIDENTIAL
Element Reference: 7.6 Control of Monitoring and Measuring Devices
SOP# 15
Upon receipt ofgage verify the
gage, calibrationcertificate and
label(s)
See WI-01-CAL
Send out toapproved source
See WI-01-CAL
Calibration certificatesare maintained byCorporate Quality
Department
Verify device and sign ingage on the EquipmentCheck Out Log PAI# 30
See WI-01-CAL
Gage is assigned anasset number
Does gage effectproduct quality?
Gage becomes aWorkshop device
Label with appropriatelabel
Store in appropriatelocation
Gage becomes acalibrated device and iscalibrated a minimum of
every twelve months
Add to CalibrationSchedule PAI# 79
All gages includingWorkshop Devices are
verified with a calibrateddevice before distribution
to project
Project finished with useof gage
PA gage?
Customer gages arechecked in & out on
Customer Tracking LogPAI# 30A
Responsibility ofcalibration of
customers gages isthat of customers
Use on project
Sign out gage on theequipment check out log
PAI# 30
No Yes
Yes
No Yes
No
No
Yes
Does gage needto be used for
a project?
Yes
Process CompleteNo
Packing SlipPAI#11
Purchase OrderPAI# 85
PAI GageTolerance
Specification List
Does it readcorrectly?
Yes
No
Is it on theSchedule?
Does thegage need to be
calibrated?
54
A-2. SOP #15 Gage Sign Out
PAI #30 Equipment Checkout Log
12-25-02 6” caliper 1415LA-95421ABC Manufact.
Honda Jones, J. YES
If NO, notify the supervisor - ASAP
A-2. SOP #15 Gage Calibration & Verification
Control of Monitoring & Measuring Devices
Issued: 5-31-02Rev. Date: 4/28/03Rev. C
Control of Monitoring & Measuring Devices
CONFIDENTIAL
Element Reference: 7.6 Control of Monitoring and Measuring Devices
SOP# 15
Upon receipt ofgage verify the
gage, calibrationcertificate and
label(s)
See WI-01-CAL
Send out toapproved source
See WI-01-CAL
Calibration certificatesare maintained byCorporate Quality
Department
Verify device and sign ingage on the EquipmentCheck Out Log PAI# 30
See WI-01-CAL
Gage is assigned anasset number
Does gage effectproduct quality?
Gage becomes aWorkshop device
Label with appropriatelabel
Store in appropriatelocation
Gage becomes acalibrated device and iscalibrated a minimum of
every twelve months
Add to CalibrationSchedule PAI# 79
All gages includingWorkshop Devices are
verified with a calibrateddevice before distribution
to project
Project finished with useof gage
PA gage?
Customer gages arechecked in & out on
Customer Tracking LogPAI# 30A
Responsibility ofcalibration of
customers gages isthat of customers
Use on project
Sign out gage on theequipment check out log
PAI# 30
No Yes
Yes
No Yes
No
No
Yes
Does gage needto be used for
a project?
Yes
Process CompleteNo
Packing SlipPAI#11
Purchase OrderPAI# 85
PAI GageTolerance
Specification List
Does it readcorrectly?
Yes
No
Is it on theSchedule?
Does thegage need to be
calibrated?
54
A-2. SOP #15 Gage Calibration & Verification
Control of Monitoring & Measuring Devices
Issued: 5-31-02Rev. Date: 4/28/03Rev. C
Control of Monitoring & Measuring Devices
CONFIDENTIAL
Element Reference: 7.6 Control of Monitoring and Measuring Devices
SOP# 15
Upon receipt ofgage verify the
gage, calibrationcertificate and
label(s)
See WI-01-CAL
Send out toapproved source
See WI-01-CAL
Calibration certificatesare maintained byCorporate Quality
Department
Verify device and sign ingage on the EquipmentCheck Out Log PAI# 30
See WI-01-CAL
Gage is assigned anasset number
Does gage effectproduct quality?
Gage becomes aWorkshop device
Label with appropriatelabel
Store in appropriatelocation
Gage becomes acalibrated device and iscalibrated a minimum of
every twelve months
Add to CalibrationSchedule PAI# 79
All gages includingWorkshop Devices are
verified with a calibrateddevice before distribution
to project
Project finished with useof gage
PA gage?
Customer gages arechecked in & out on
Customer Tracking LogPAI# 30A
Responsibility ofcalibration of
customers gages isthat of customers
Use on project
Sign out gage on theequipment check out log
PAI# 30
No Yes
Yes
No Yes
No
No
Yes
Does gage needto be used for
a project?
Yes
Process CompleteNo
Packing SlipPAI#11
Purchase OrderPAI# 85
PAI GageTolerance
Specification List
Does it readcorrectly?
Yes
No
Is it on theSchedule?
Does thegage need to be
calibrated?
54
A-2. SOP #15 Gage Sign In
PAI #30 Equipment Checkout Log
12-25-02 6” caliper 1415LA-95421 ABC Manufact.
Honda Jones, J. YES 2-14-03 Jones, J. YES
If NO, notify the supervisor - ASAP
B-1. Care and Maintenance
1. KEEP the Gage CLEAN• Solvents & Oils attract dirt
• Dirt can cause an inaccurate reading
• Water causes rust & shorts the electronics
2. “ZERO OUT” the Gage often
3. If the Gage is dropped?• Do not use – Must be re-calibrated
• Request a new gage
4. Store Gage in the proper case+
B-2. Specifications
Dimensions1. Of part
2. Of nonconformingcriteria 2
B-3. Techniques for Use
1. Determine the Unit of Measure
2. Gage should be perpendicular to the Part
Unit of Measure Displayed As
Inches 1 in. or 1”
Millimeter 1 mm
Microns 1 µm or 0.001 mm
Do not use this area.
Perpendicular
B-3. Techniques for Use, continued
3. Gage should be flush with the Part• Important: Too much pressure may damage the
device or the part.
4. Measurements should be Repeatable
Flush = NO
gap
B-4. Tolerances (inches)
i.e. (1.0000” ± 0.0005”)
ConformingUpper Limit 1.0005”
Lower Limit 0.9995”Conforming
Specified Dimension1.0000”
B-4. Tolerances (inches)
i.e. (1.0000” ± 0.0005”)
Lower Limit 0.9995”Conforming
0.9994” or lowerNonconforming
ConformingUpper Limit 1.0005”
Nonconforming1.0006” or higher
Specified Dimension1.0000”
B-4. Tolerances (millimeters)
i.e. (25.0 mm + 1.7 mm, 25.0 mm - .5mm)
ConformingUpper Limit 26.7 mm
Lower Limit 24.5 mmConforming
Specified Dimension25.0 mm
B-4. Tolerances (millimeters)
ConformingUpper Limit 26.7 mm
Nonconforming26.8 mm or higher
Lower Limit 24.5 mm Conforming
24.4 mm or lowerNonconforming
Specified Dimension25.0 mm
i.e. (25.0 mm + 1.7 mm, 25.0 mm - .5mm)
B-4. Tolerances (microns)
i.e. (25 mm ± 12 µm)
1 µm =0.001 mm
ConformingUpper Limit 25.012 mm
Lower Limit 24.988 mm Conforming
Specified Dimension25.0 mm
B-4. Tolerances (microns)
i.e. (25 mm ± 12 µm)
ConformingUpper Limit 25.012 mm
Nonconforming25.013 mm or higher
Lower Limit 24.988 mmConforming
24.987 mm or lower
Nonconforming
1 µm =0.001 mm Specified Dimension
25.0 mm
C-1. Proper use of CalipersComponents of the Caliper1. Inside Jaws2. Outside Jaws3. Power Button4. Zero Button
5. In/mm Button6. Lock Tab7. Moving Wheel8. Digital Display
1
2
3 4
5 6
78
C-1. Proper use of CalipersTypes of Measurements1. Inside Diameter2. Outside Diameter3. Length
4. Width5. Depth6. Step
2,3,4
156
Sizes: 6”, 8”, 12”, 24”
C-1. Proper use of CalipersReturning the Equipment
• Place in Correct Container•
Important: Tag and Engravednumber must match
• Turn Power Off• Leave a gap in the Jaws
C-2. Proper use of MicrometersComponents of the Micrometer1. Measuring Jaws2. Zero Button3. in/mm Button4. Power – Turns on when wheel is turned
5. Lock Tab6. Moving Wheels7. Digital Display
1
2 3
4
5
67
C-2. Proper use of MicrometersTypes of Measurements1. Length, Width, Thickness & Outside
Diameter Only with the measuring jaws2. Specific Sizes
0-1” 1-2” 2-3” etc.3. Measures to the Micron
(10 to 100 times smaller than a human hair)4. Conversion
1 µm =0.001 mm
C-3. Proper use of Gage Blocks
C-3. Proper use of Gage BlocksGage Verification
• To ensure equipment is working properly.
IMPORTANT:If gloves are not used, the Gage Block must be wiped with a clean cloth after use.
Example – Caliper verified at1.0 in” with a 1.000” Gage Block
C-3. Proper use of Gage BlocksTypes of Measurements
• Creating Go/No Go Gages for a precise measurement.
Example – Gage set at 1.05” with two Gage Blocks equaling the
measurement.
Gage Blocks Blocks are Stationary
C-4. Proper use of Pin Gages
C-4. Proper use of Pin GagesTypes of Measurements
1. Go/No Go Gages
2. Hole sizes
3. Gap sizes
4. Gage Verification(while at a project location)*
* Pin Gages are
Not Calibrated
Questions
A. SOP# 15,1. Gage Calibration & Verification2. Signing the Gages in and out
B. Overview1. Specifications2. Tolerances3. Techniques for Use4. Care & Maintenance
C. Proper use of1. Calipers2. Micrometers3. Gage Blocks4. Pin Gages
Using Gages
Additional Questions…contact, • Shawn Oliver
• Quality Assurance Technician
• Direct (317) 915-5979
• Cell (317) 716-1034