SOW QVC CMM 25 May 2023.pdf

Statement of Work

QVC Coordinate Measuring Machine (CMM)

1.0. Scope – This Statement of Work (SOW) is to provide the requirements for the purchase of a commercially available Coordinate Measuring Machine (CMM). The vendor shall provide all hardware, software, accessories, peripherals, documentation, shipping, installation, testing, calibration and training. Offloading and placement of CMM will be provided by Tinker AFB personnel at the guidance of contractor technical personnel. The CMM will be utilized to verify the dimensional integrity of weapon systems and component parts that are repaired and/or manufactured as well as inspection of the necessary tooling and fixturing required to produce the weapon systems and component parts.

2.0. Requirements and Specifications

2.1. Design – The CMM shall be one of the manufacturer’s current production models;

new and unused. The CMM related components and accessories shall meet or exceed the minimum requirements for design, construction, functional capability, size and performance as specified herein. All parts subject to wear, breakage or distortion shall be readily accessible for adjustment, replacement and repair.

2.2. Measuring System – Either the U. S. Customary System of Units (US) or the

International System of Units (SI) may be used in the design and manufacture of the CMM. The CMM shall be inch/metric switchable with automatic conversion by the system between the two systems of measurement.

2.3. Construction – All parts and materials used in the construction of the CMM shall be new. The quality of construction shall be provided to meet the strength, rigidity and wear resistance characteristics necessary to meet the standards for accuracy, performance and safety specified herein. All parts and mechanisms requiring adjustment, replacement or servicing shall be readily accessible. The CMM shall be complete so that when installed and connected to the proper utilities it shall be ready for use. The construction of the CMM shall be free from any defects; primarily, but not only, those which would affect the operation of the CMM.

2.4. Maintenance – Test procedures and instructions shall be provided for identification, location and repair of mechanical, electrical and electronic failures. Parts lists/drawings, circuit diagrams and electrical/electronic schematic shall be provided for both preventative and remedial maintenance.

2.5. Lubrication – All parts of the CMM requiring continuous lubrication shall be automatically lubricated by a system that will ensure adequate lubrication of parts.

Parts or mechanisms requiring periodic lubrication shall be provided with adequate means for grease or oil lubrication. Systems using recirculated oil shall be equipped with a replaceable or washable filter element. Each oil reservoir shall have an oil level gage. Automatic processes of lubrication shall have a warning device to indicate when lube oil is low or system failure.

2.6. Bearings – All moving components of the CMM requiring bearings shall be equipped with anti-friction, free-floating air or mechanical bearings. All mechanical bearings should be precision ground, honed and/or lapped and be constructed to withstand the applicable axial and radial loads. All bearings will be adequately marked for replacement purposes. Each measurement axis of the CMM will be supported by air bearings, with means for adjustment provided to facilitate alignment and calibration. All sliding surfaces of the CMM that are subject to wear shall have provisions for lubrication and have replaceable bearing surfaces. Air bearings will be of open orifice type to prevent clogging due to the collection of extremely fine particle matter which may be allowed to pass through the filtering system.

2.7. Bearing Surfaces – All bearing surfaces shall be designed and constructed to eliminate inaccuracies caused by deflections of machine components and to prevent applicable load factors from adding to the total error.

2.8. Plates – All instruction plates and identification plates attached to the CMM shall be of a corrosion resistant material. Wording shall be in the English language using plain bold-face letters and shall be made legible and permanent on a contrasting non-glare background.

2.9. Safety and Health – Covers, guards, bellows, or other safety devices will be provided for all parts of the CMM that present potential safety hazards. Safety devices shall not interfere with the operation of the CMM. The safety devices will prevent unintentional contact with the guarded part(s) and will be removable to facilitate inspection, maintenance and replacement of the part(s). All parts, components, mechanisms and assemblies furnished with the CMM shall comply with applicable requirements of OSHA. Additional safety and health requirements will be as specified herein.

2.10. Mercury Restriction – The CMM must meet or exceed RoHS 2017 requirements for mercury contamination.

2.11. Asbestos Restriction – Asbestos and materials containing asbestos shall not be used on or in the CMM and are strictly forbidden.

2.12. Lead Restriction – The CMM must meet or exceed RoHS 2017 requirements for lead contamination.

2.13. Ozone Depleting Substances - All class 1 ozone depleting substances (ODSs) are strictly forbidden.

2.14. Environmental Protection – Under the operating, service, transportation and storage conditions described herein, the CMM will not emit materials or radiation hazardous to the operator or ecological system as prohibited by Federal, State or Local statutes in effect at the time of installation.

2.15. Affirmative Procurement Determination - Green/Affirmative Procurement has been determined not to be applicable to this procurement.

3.0. Components

3.1. CMM – The CMM shall consist of a moving bridge system including a fixed granite table as the base of the machine. The CNC measuring machine shall be of sufficient size and stability to provide full measurement capabilities within a minimum 1200mm (X) x minimum 2400 mm (Y) x minimum 1000mm (Z) measurement envelope with all necessary clearances needed for adequate measurement approach.

Due to space constraints in the measurement laboratory, the floor footprint of the CMM cannot exceed 1900mm in width and 3657mm in length. CMM overall height cannot exceed 18 feet 7 inches (5700mm). Three different sensors as specified in 3.6, 3.7, and 3.8 shall be provided with the CMM. All three sensors shall be operated from one jogbox. User shall only have to interface with one software to operate all three sensors.

3.2. Inspection Table – The fixed inspection table of the CMM shall be made from granite of sufficient size to accommodate all capacities and the working inspection volume of the CMM as specified herein. The inspection table must be able to support parts weighing up to 2,645 lbs (1200kg) without degrading the measurement performance accuracy of the CMM or table flatness. The inspection table will have the manufacturer’s standard number of threaded inserts with center-to-center distances and diameter common for work-holding devices or fixturing.

3.3. Bridge Structure – The moving bridge structure supporting the probe system shall conform to standard industry practices and shall be supported by air bearings for stability. The bridge structure shall be designed and constructed to achieve maximum stability while at the same time minimizing any induced error resulting from temperature changes and particulate infiltration. The bridge structure shall be made of a material that minimizes thermal expansion that would adversely affect the accuracy of the CMM.

3.4. Drive System – The bridge structure, carriage crosslide and ram shall be driven by variable speed, high torque AC or DC servo motors. Linear scales shall be integrated with the servo drive systems to form a closed loop feedback system with both computer directed and manually directed by means of remote. The motion system shall have means for backlash compensation and provisions for halting movement of the entire bridge structure should the air supply be interrupted. The servo drive/motion control system shall monitor manual CMM operations, respond to instruction entered into the remote and execute the inspection routines according to inspection programs entered into the computer control of the CMM. The drive system shall be coordinated by the computer control of point-to point, two and three dimensional contouring motion(s). The motion control drive system shall have three-axis vectoring capabilities so as to allow approach and probing at any vector normal to a feature.

3.5. Linear Measurement Devices (scales) – Linear measurement scales shall be constructed of wear resistant materials and shielded to prevent damage and contamination. The scales shall have a uniform coefficient of thermal expansion in relation to the mounting structure and have a resolution of 0.08µm or better.

3.6. Articulating Probe System (Sensor 1) – The CMM shall be provided with an articulating probe head that has two axis of rotation. Each head rotation axis shall be capable of head angles in increments no greater than 2.5°. The probe head shall have a rotating range from -180° to +180° in each axis. The probe head shall be capable of gathering information from parts by single point probing and scanning.

The scanning measuring rate shall be at least 500 points per second. With only a small selection of head angles physically measured, all rotation angles attainable by the articulating probe system shall be able to be calibrated. The articulating probe system shall be able to support probe lengths over the range of 30mm – 150mm. The contractor shall also supply enough compatible probe holders and probe plates to store at least 10 fully constructed and qualified probes. The articulating probe system shall be manufactured and qualified in accordance with ISO 10360-2, having an MPE(E0) ≤ 2.2+L/350µm and an MPE(E150) ≤ 2.2+L/350µm at the ambient lab temperature of 20°C.

3.7. Fixed Head Probe System (Sensor 2) – This probe system shall be able to perform single probing and active scanning and shall be capable of 15° increments of rotation and lock to normal “fixed” position accuracies. This probe head shall be capable of handling assembled probes weighing at least 500g and measuring at least 350mm long. User shall have the ability to adjust the measuring force through software for the type of stylus selected. This system shall allow for automatic probe change and be supplied with a master reference stylus and 10 adapter plates for use and 6 probe change sockets and 10 probe holders to store in the cabinet. The fixed head system shall have some means of collision protection to prevent damage to the head if a collision occurs. The fixed head probe system shall be manufactured and qualified in accordance with ISO 10360-2, having an MPE(E0) ≤ 2.1+L/350µm and an MPE(E150) ≤ 2.1+L/350µm at the ambient lab temperature of 20°C.

3.8. Optical Probe System (Sensor 3)– An optical triangulation laser scanner shall be provided with the CMM. The laser scanner (sensor) shall be visibly red and shall have a classification of 2M or lower in accordance with IEC 60825-1, Safety of Laser Products. The laser sensor shall be protected from dust and water per IEC 60529. The laser scanner shall be capable of mounting onto the Articulating Probe Head and shall have two axis of rotation. The rotating range for the laser sensor shall be from -180° to +180° in each axis, and the rotating angles shall be in increments no greater than 2.5° in each axis. The laser scanner shall utilize the CMM jogbox (the same one used by other two sensors). Anytime at operator’s command, the CMM shall be able to automatically switch out probes—swapping from laser probe to tactile probe or vice versa. Probe change socket(s) or holder(s) shall be provided to store each sensor (laser, articulate, fixed) for when it is not in use. The laser sensor shall scan at the rate of 1000 lines per second at minimum and 700,000 points per second at minimum with a resolution of 1280 points per line at minimum. The laser sensor shall measure various type of materials such as shiny, matte, finely structured, soft, and contact-sensitive. The laser scanner shall be capable of handling high point density and shall measure all surface forms using point clouds. User shall only have to interface with CMM software (the same one used by the other two sensors) for any type of laser operations such as data acquisition, data analysis, evaluation, reporting, and graphical displays in 3D CAD models. Software shall create 3D models from measured point clouds and shall have the ability to compare the created models to 3D CAD nominals. The laser scanner shall have a measuring range of 25mm at minimum and a working distance of 63mm at minimum. The laser scanner shall be manufactured and qualified in accordance with ISO-10360-8:2013, having MPE(PF) ≤ 12 µm and dispersion on sphere ≤ 4 µm at ambient lab temperature of 20°C.

3.9. Probe Styli Kit – The contractor shall furnish a probe styli kit designed specifically for the probe combinations as described in 3.6 Articulating Probe System (Sensor

1) and 3.7 Fixed Head Probe System (Sensor 2), consisting of the standard minimum items or components commonly used in CMM measurement.

3.10. Reference Sphere – A reference sphere with stand shall be provided for the qualification of each of the sensors included with the CMM. Reference spheres shall be 30 mm in diameter.

3.11. CMM Control Computer – The following minimum hardware and software capabilities/functions shall be required (items may be exact or equivalent to):

3.11.1. Hardware:

• High End Workstation Computer System o Minimum one (1) Workstation-grade quad-core CPU or better o 64-bit Windows 10 Long Term Servicing Channel (LTSC)

Operating System o Minimum one (1) Discrete GPU with 5GB VRAM or better o Minimum 64 GB RAM o DVD+RW compatible internal optical drive o Sufficient RJ45 Gigabit LAN Ethernet ports for machine-computer communication and connection of the computer to our lab printer network

• (2) 27” 16:9 LCD Monitors with cables

• US QWERTY Keyboard, wired

• Mouse, wired

• CMM Control Joystick Box, wireless

3.11.2. Software: (All software shall use USB dongle for software verification rather than online verification.)

• Windows-based Operating System

• Geometric Dimensioning and Tolerancing per ASME

Y14.5M

• Selection of geometric algorithms per ASME Y14.5M

• Calypso Basis CNC or equivalent for probe calibration routines and part programming routines.

• Calypso PiWeb or equivalent for statistical evaluations with graphical display of results (evaluations of at least 1000 measurement processes per inspection plan)

• Calypso Curve/Calypso Freeform or equivalent for measurement and analysis of complex curves and surfaces.

• STEP import/export compatibility. Ability to import Product and Manufacturing Information (PMI).

• User shall be able to edit CAD models and to combine multiple 3D models, such as part and fixtures. Software shall be able to auto-create measuring plans from CAD.

• Graphical presentation of results in part drawing format. Images shall be in high resolution.

• Printing capabilities to network printer

4.0. Peripheral Devices

4.1. Probe Rack and Storage Sockets – A probe rack and stylus system holders shall be provided to house all items not in use. This rack shall be able to accommodate probe head(s), holders for nine (9) articulating head adapter plates, holders for (6) fixed head change socket and any other items needed for storage of probe head/stylus systems.

5.0. Additional Equipment

5.1. Air Filter / Regulator – The CMM shall utilize the current 100 psi shop air supply in the existing area. The contractor shall supply a means to remove contaminants and regulate the pressurized air entering into the CMM.

5.2. Vibration Dampening System – The contractor shall supply some means to reduce measurement error from vibrations not associated with the CMM. Anti-vibration isolation pads are acceptable.

5.3. Machine Manuals – Two (2) complete hard copies of technical data (or a single electronic file of all manuals) shall be submitted upon contract approval prior to delivery to ensure proper shop footprint specifications and familiarity with the CMM before delivery. This technical data shall include items such as operating manuals, maintenance manuals, parts catalogs, parts lists, wiring schematics, lubrication charts, machine accuracy and alignment test results and shall be written in the English language.

6.0. Environmental Tolerance – The CMM will be located in a controlled environment wherein the temperature will be maintained at 68 degrees +/- 1 degree Fahrenheit over a 24-hour period with the humidity controlled to 30 – 50% non-condensing. The contractor shall state before contract approval whether the conditions will adversely affect the operation of the

CMM.

7.0. Electrical Equipment – The electrical system of the CMM and all electrical components thereof, shall conform to the requirements of NEC and operate on 115 VAC +/- 10% utilizing standard NEMA 5-15 Duplex Receptacles. The contractor shall provide full documentation of the electrical requirements and any power conditioning requirements before contract approval. All electrical equipment design and documentation is subject to final approval by the Government.

8.0. Nameplate – A corrosion resistant nameplate identifying the CMM shall be securely attached to the granite inspection table. The nameplate shall contain the information listed below. The captions may be shortened or abbreviated, provided the entry for each is clear to its identity:

8.1. Manufacturer’s Name

8.2. Manufacturer’s Model Designation

8.3. Manufacturer’s Serial Number

8.4. Power Input (volts, total full load amps, phase, frequency)

8.5. Date of Manufacture

9.0. Contract Monitor Provisions

9.1. Quality Conformance Inspection –Final quality conformance inspection shall be conducted at the Government installation site, after installation, standard checkouts and calibration have been completed, and shall consist of the examination in 9.2.

and the tests in 9.3. under supervision of Government representatives appointed by the contracting officer. The calibration data obtained in the preliminary and the final quality conformance checks shall be furnished with the machine in a standard certificate format. Failure of any item to pass any examination or test shall be cause for rejection. The CMM and all equipment associated with this purchase will remain the property of the contractor until all items of this quality conformance inspection have been passed and accepted by all government representatives.

9.2. Examination – The CMM and all associated equipment shall be examined for compliance with design, construction, materials, components, electrical equipment and workmanship requirements specified herein.

9.3. Tests – The contractor shall demonstrate that the CMM performs as required herein using accepted industry standards for testing and calibration, provided these tests demonstrate all performance requirements stated in this purchase description. Failure of any test to demonstrate that the CMM and related equipment meet the minimum requirements as specified herein, will be cause for rejection.

10.0. Software Support – Vendor shall supply all software updates and/or patches free of charge for 1 year after acceptance. This software support will include 1 year of telephone support associated with all functions of the operation of the CMM.

11.0. Training – Vendor shall provide training for at least for 6 people. All training shall be onsite and during normal operating hours of Monday – Friday, 6:00 AM – 3:00 PM.

User shall have 1 year after installation to complete all training. The following training shall be provided:

1) Basic CMM operations which to include probe calibration, part programing and introduction to CAD based inspection.

2) Advanced software training which to include CAD model programming, measurement and analysis of complex curves and surfaces, iterative alignment, best fit alignment, and Reference Point System (RPS) alignment.

3) Laser basic and advanced operations. Laser training shall be at least 4 full days.