Attachment 1 PD 20M-201A-DI_Circular Geometry Measuring Machine.docx

20M-201A-DI

February 7, 2020

PURCHASE DESCRIPTION

FOR

Circular Geometry Measuring Machine

1.0 SCOPE: This procurement is for a replacement Circular Geometry Measuring Machine (CGMM) that will be used at U.S. Air Force Precision Measurement Equipment Laboratories (PMELs). The CGMM will be used to measure the out-of-roundness, concentricity, and perpendicularity.

2.0 PERFORMANCE REQUIREMENTS:

2.1 The CGMM shall have the capability to measure out-of-roundness, concentricity, circular flatness, perpendicularity of a plane to the parts center axis, run-out, and total run-out.

2.2 The CGMM shall have a Mechanical Bearing.

2.3 Weight Capacity: Rotary Table/Bearing shall be able to support a minimum of 40 pounds.

2.4 The CGMM shall have Controller/Software assisted Tilt and Center Alignment for spheres and cylinders. The software assisted alignment shall provide instructions for positioning the rotary table and which adjusting knobs require adjustment. Furthermore, graphics shall depict the real-time change occurring as the adjustments are being performed.

2.5 Reference Circles used for measurement evaluation shall at minimum include:

2.5.1 Minimum Circumscribed Circle (MCC).

2.5.2 Maximum Inscribed Circle (MIC)

2.5.3 Least Squares Circle (LSC).

2.6 The CGMM shall include multiple settings for Undulations Per Revolution (UPR):

2.6.1 Common UPR Settings include 15, 50, 150, and 500.

2.7 The CGMM shall include multiple settings for Filtering.

2.8 The CGMM shall have the following measurement Units: Inches, Microinches, Millimeters, and Micrometers.

2.9 Graph Resolution, Circular: The resolution shall be able to be changed after the measurement is accomplished. Resolutions shall include, but not limited to 2.0 µin per div, 5.0 µin per div, 10.0 µin per div, 20.0 µin per div, 50.0 µin per div, 100.0 µin per div, 200.0 µin per div, and 500.0 µin per div.

2.10 Amplifier Range(s): The displayed amplifier shall have at least one range that covers approximately +/- 0.04 inches. It is acceptable to have multiple ranges that are smaller and/or larger.

2.11 Amplifier/Gage Head Uncertainty: Shall not exceed 0.5% of measured range or step height.

2.12 Axial Bearing Error, measured by gaging on top of the Precision Sphere: Shall not exceed 2.5 µin TIR.

2.13 Radial Bearing Error, measured using Precision Sphere near Rotary Table Top using Reversal Measurement Process and Software: Shall not exceed 2.5 µin TIR.

2.14 Coning Bearing Error, Calculated based on the two Radial Bearing Error Measurements accomplished using the Reversal Measurement Process and Software: Shall not exceed 2.5 µin + (0.5 µin TIR per inch above rotary tabletop).

2.15 Warm-Up Time: Shall not exceed 10 minutes.

3.0 FUNCTIONAL REQUIREMENTS:

3.1 The CGMM shall be a bench top model. The CGMM and Controller shall be designed to set on top of a 24” x 36” bench or smaller.

3.2 The CGMM shall have shall have Controller/Software assisted Tilt and Center Alignment.

3.3 The CGMM shall be interfaced with Controller.

3.4 Calibration Standards: All Calibration Standards required to accomplish the calibration of the CGMM shall be included. Calibration Standards include, but not limited to, Precision Sphere and Gage Block Step Standard.

3.4.1 Precision Sphere: Shall include a Precision Sphere (not a hemisphere) mounted on flat base that will be used to measure and calculate the CGMM’s Radial, Coning and Axial Bearing Errors.

3.4.1.1 The Out-of-Roundness when near the equator and slightly above and below the equator shall not exceed 2.0 µin TIR.

3.4.1.2 The Surface Finish shall not exceed 1.0 µin Ra.

3.4.1.3 Shall include a Certificate of Calibration identifying the Precision Sphere’s Manufacturer, P/N, Serial Number, Date of Calibration, Measured Out-of-Roundness at three locations near the equator, Measurement Uncertainty, UPR and Filter Settings.

3.4.1.4 A Protective Container manufactured from wood or heavy plastic shall be provided.

3.4.1.5 The Protective Container shall have a label identifying the Nomenclature, Part Number, Manufacturer, and Cage Code.

3.4.1.6 The Protective Container shall also have a UID Label.

3.4.2 Gage Block Step Standard: Shall include the necessary Step Standard(s) to calibrate the CGMM Amplifier range(s).

3.4.2.1 Shall be designed using Gage Blocks wrung to a Parallel Optical Flat.

3.4.2.2 The Optical Flat shall be manufactured from Quartz.

3.4.2.3 The Flatness and Parallelism of the Optical Flat shall not exceed 4.0 µin TIR.

3.4.2.4 The Gage Blocks shall be manufactured from Steel.

3.4.2.5 The Gage Blocks shall meet Grade 00 IAW ASME B89-1.9.-2002.

3.4.2.6 Shall include a Certificate of Calibration identifying the Step Standard Manufacturer, P/N, Serial Number, Date of Calibration, Step Measurement(s), and Measurement Uncertainty.

3.5 Gage Head(s) and Stylus: Shall include necessary gage head(s) and Stylus to accomplish cylinder and sphere alignments and circular geometry measurements.

3.5.1 Shall have a range of +/- 0.040 inches.

3.5.2 When interfaced to the CGMM Amplifier, it shall meet the uncertainty IAW this Purchase Description, Paragraph 2.11.

3.5.3 Shall have adjustable gaging force, 0.01 to 0.12 Newtons.

3.5.4 The gage head direction of measurement shall be switchable.

3.5.5 Shall be able to be rotated in the CGMM arm mount.

3.5.6 Shall include a 1 inch Stylus, a 2 inch Stylus, and a 3 inch Stylus.

3.5.7 All necessary Gage Head mounting devices shall be included to mount the Gage Head to the CGMM arm. The Gage Head shall be able to gage on and measure on the top surface of a 12 inch tall part.

3.5.8 Special Adapter: Vendor will have to provide any necessary adapters to accommodate the alignment and out-of-roundness measurements on the two circular bands on the PN 71-4030 Target Collimator, manufactured by Cubic Precision and/or K&E. This particular collimator is 17 inches in length. The first circular band is 2.875 inches from the bottom of the collimator. The two circular bands are 10 inches apart. Each circular is approximately 0.75 wide.

3.6 Holding Devices: Shall include a Clamping Jaw Set and a Three-Jaw Chuck Assembly for mounting parts to the rotary table top.

3.7 Reversal Measurement Gage Head Mount and Fixture: Shall include all special mounts and fixtures so the Gage Head can be moved to the opposite side the Precision Sphere when performing the Radial Bearing Error Measurement Process using the Reversal Measurement Software.

3.8 Calibration Requirements: The CGMM shall be calibrated by performing the following:

3.8.1 Amplifier Calibration using the Gage Block Step Standard.

3.8.2 Measuring Radial Bearing Error near rotary tabletop and at an elevated position 8 to 12 inches above rotary tabletop using the Precision Sphere and Reversal Measurement Process and Software.

3.8.3 Measuring Axial Bearing Error near rotary tabletop, measured by gaging on top of Precision Sphere.

3.8.4 Calculating Coning Bearing Error based on two measured Radial Bearing Errors.

3.9 Skill: The CGMM operation, software, and measurement processes shall be intuitive.

4.0 MECHANICAL & PHYSICAL REQUIREMENTS:

4.1 All Cabling and other interfaces shall be included.

4.2 CGMM Identification: The CGMM shall have a label attached that identifies the Nomenclature, Part Number, Manufacturer, Cage Code, and Serial Number.

4.3 Operating Environment/Storage: Temperature: 73 +/- 6˚ F. Humidity: 30% to 50% RH.

4.4 Electrical: The circular geometry measuring machine must be capable of operating using 120VAC/60Hz electrical power.

5.0 CONTROLLER REQUIREMENTS:

5.1 Laptop Controller: A laptop controller with a minimum touchscreen screen size of 15 inches shall be provided. The laptop controller shall efficiently operate under Microsoft Windows 10 Professional 64 bit operating system. All major components of the system shall be commercially available and fully supportable by commercial sources. Where specific brands are identified in this specification, no substitutes are allowed without prior approval from the AFMETCAL. The Controller shall meet or exceed Microsoft Windows 10 Professional hardware requirements.

5.2 Memory: Minimum 8 GB system Memory.

5.3 USB: Minimum of two integrated USB 3.0 ports not being utilized by other components.

5.4 External video support.

5.5 Laptop Controller Display Panel: 15-inch (diagonal) or larger Touchscreen display.

5.6 Shall include mouse.

5.7 DVD-ROM: Internal or External DVD +/- RW dual layer or Blue-Ray.

5.8 Operating System and Software: All software shall run under Microsoft Windows 10 (Professional operating system or greater 64bit, latest version release). All software shall run Windows 10 as a non-elevated user. Shall be supplied with Microsoft Word and Excel, latest release with a non-renewable license.

5.9 Lenovo brand controller will not be acceptable.

5.10 Additional Hardware: Additional hardware required to make this system function as identified by this purchase description shall be required.

6.0 SOFTWARE REQUIREMENTS:

6.1 Software Identification: All software used in conjunction with instrument shall be identified by Name, Version, and Date; to be displayed upon startup or located in an “About” menu in the software.

6.2 Software Warranty: The contractor shall warrant that the software product meets this purchase description, is free from defects in design and operation, and will perform to stated specifications within this purchase description for the length of the equipment warranty.

6.2.1 The contractor (at no additional cost) shall update or replace the software product as necessary to correct any deficiencies identified in the software. Replacement software shall meet or exceed the requirements in this purchase description, shall not require additional training to operate, and shall be warranted for the remainder of the equipment warranty.

6.2.2 The contractor shall bear transportation costs for all replacement products.

6.2.3 The contractor (at no additional cost) shall provide technical support for normal software usage, clarification of documentation, and resolution of software problems. The contractor shall have multiple methods for convenient contact of Technical Support. Contact methods may include but are not limited to on-line or telephone.

6.3 Interchangeability:

6.3.1 When firmware or software upgrade is anticipated by a manufacturer during the life of this contract, the contractor shall contact AFMETCAL for concurrence. If AFMETCAL concurs with the proposed upgrade all previous units delivered under this contract shall be updated to this upgrade.

6.3.2 All firmware or software provided under this contract shall be at the same version, revision, and revision date at the completion of the contract.

6.4 Reversal Measurement Software Application: A special software application shall be developed by the vendor for measuring Radial Bearing Error using the Reversal Measurement Process and the Precision Sphere.

6.5 Amplifier Calibration Software Application: A software application developed by the vendor for calibrating the Amplifier using the Step Standard.

7.0 OPERATOR’S MANUAL:

7.1 At a minimum, the manual shall include, but not limited to, the following topics:

7.1.1 Shall include detailed set-up and installation instructions, description of parts, components, specification page, etc.

7.1.2 Shall include detailed instructions for setting up the Gage Head and Stylus.

7.1.2.1 Shall provide instructions for setting up Gage Head and Stylus File.

7.1.3 Shall include detailed instructions for the Amplifier Calibration Process using Step Standard.

7.1.4 Shall include detailed instructions for the Radial Bearing Error Measurement Process using the Reversal Measurement Software Application.

7.1.5 Shall include detailed instructions for the Axial Bearing Error Measurement Process.

7.1.6 Shall include detailed instructions for cylindrical part alignment using controller assisted Tilt and Center process. Instructions shall identify how to interpret alignment measurement results.

7.1.7 Shall include detailed instructions for spherical part alignment using the controller assisted Centering process. Instructions shall identify how to interpret alignment measurement results.

7.1.8 Shall include detailed instructions for measuring Concentricity, Eccentricity, out-of-roundness, run-out, total run-out, circular flatness. Instructions shall identify how to interpret measurement results.

7.1.9 Shall include detailed instructions for measuring the perpendicularity of the upper surface on a cylinder to the center axis of a cylinder. Instructions shall identify how to interpret measurement results.

7.1.10 Shall include detailed instructions for locating the “Best-Line” on a cylinder.

7.1.11 Shall include detailed instructions for changing Graph Resolution, UPR, Filtering, and Evaluation Circles after measurement has been complete.

7.1.12 Shall include detailed instructions for saving measurement results.

8.0 INSTALLATION and TRAINING:

8.1 Vendor shall go on-site to Set-Up/Install CGMM and provide Training.

8.2 One day shall be allocated for Set-Up/Installation and Calibration.

8.3 Two days shall be allocated for Training.

8.4 Training shall cover, but not limited to the following topics:

8.4.1 Set-up/Installation of the CGMM.

8.4.2 How to set-up and identify Gage Head and Stylus Files.

8.4.3 Amplifier Calibration: Instructions for Software set-up and necessary steps to accomplish calibration using the Gage Block Step Standard.

8.4.4 Axial Bearing Error: Instructions for Software set-up and necessary steps to accomplish measurement process near the rotary table top using the Precision Sphere.

8.4.5 Radial Bearing Error: Instructions for Software set-up and necessary steps to accomplish measurement process near the rotary table top using the Precision Sphere and the Reversal Measurement Software Application.

8.4.6 Radial Bearing Error at Elevated Positon: Instructions for Software set-up and necessary steps to accomplish measurement process near the rotary table top using the Precision Sphere and the Reversal Measurement Software Application.

8.4.7 Coning Bering Error: The calculation of Coning Error using the two Radial Bearing Error Measurements described in step 8.4.6 and step 8.4.7.

8.4.8 How to align (Center) a sphere using the Controller Assisted Alignment Process and how to interpret alignment measurement results.

8.4.9 How to align (Center and Tilt) a cylinder using the Controller Assisted Alignment Process and how to interpret alignment measurement results.

8.4.10 Out-of-Roundness Measurement Process: Instructions for Software set-up and necessary steps to measure the out-of-roundness measurement on a sphere, external cylinder, and internal cylinder. How to interpret measurement results.

8.4.11 Perpendicularity Measurement Process: Instructions for Software set-up and the necessary steps to measure the perpendicularity of the upper face on a cylinder to the cylinder’s center axis. How to interpret measurement results.

8.4.12 Concentricity Measurement Process: Instructions for Software set-up and necessary steps to measure concentricity of two circular features and how to interpret measurement results.

8.4.13 Graph Resolution: How to change Graph Resolution, UPR, Filtering, and Evaluation Circles after measurement has been complete.

9.0 TESTING: Testing shall be accomplished at a destination specified elsewhere in this contract after the CGMM has been installed and training complete. Test will be performed to assure the CGMM meets or exceeds all of the requirements of this purchase description. Such testing does not relieve the contractor of performing all inspections and quality control checks at the point of fabrication as necessary to assure performance as specified.

Attachment:

Data Requirements

Attachment to Purchase Description

20M-201A-DI

Circular Geometry Measuring Machine

DATA REQUIREMENTS

MANUALS: A set of operational and maintenance manuals shall be provided. As a minimum, the manuals shall include an explanation of features, performance specifications, operational instructions, theory of operation, calibration procedures, and an illustrated parts breakdown. Wherever possible, use of pictures, diagrams, schematics and mathematical formulas shall be included such that any text material may be better understood. Specifically, the calibration procedure shall include a list of required calibration equipment, by part number, connection diagrams and step-by-step instructions to follow for completing this task. In addition, a system- level manual explaining the system operation and software shall also be provided. Manuals shall be on CD/DVD-ROM in Indexed Portable Document Format (iPDF). A validation and verification of the manuals will be required. The manual shall be in accordance with the Air Force Technical Manual Contract Requirements (TMCR) TM86-01Q and Contract Data Requirements List (DD Form 1423).

CALIBRATION CERTIFICATE: A calibration certificate, traceable to the National Institute of Standards and Technology (NIST) or other national metrology institutes (NMIs) shall be provided with each instrument. This calibration certificate must comply with Data Item Description (DID) DI-QCIC-80798C and the Contract Data Requirements List (DD Form 1423).