Attachment 1 - DRAFT Technical Specification.docx

Technical Specification CNC Plasma & Gas Metal Cutting System

The Government requires a CNC Plasma & Gas Metal Cutting System. Refurbished or remanufactured parts are not authorized for this requirement. Installation, equipment start-up, and training is also required.

Provided below are the technical specifications needed to meet this requirement:

· Cutting system construction

· Cutting range shall be a minimum range of 12’ x 20’.

· Shall have a convenience tray, floor mount rails, cable track system.

· Motorized carriage assembly mounted to the machine beam via four linear bearings and driven by servo motor with enclosed power track to protect cables and hoses.

· Beam Assembly: Constructed from 12" by 12" steel tube with 1/2" wall thickness. Dual linear ways that are plated and cap sealed to prevent rust and dirt incursion.

· Deck Assembly

· Standard Truck Assembly - Houses hardened steel wheels (10" diameter), motor assembly, and guide bearings. Rail & wheel scrapers to maintain the rails while the machine is in motion. Air blast nozzles located on each end to keep debris off the rails.

· Intelligent Servo Drive System - High-precision servo drive system; 600 inches per minute maximum traverse speed (standard)

· Operator's Station Bracket

· Compressed Air Filter Kit - Includes: particulate filter, water separator and oil mist separator.

· Machine Power Disconnect & Transformer: 480 volt, three-phase

· Plasma Capabilities

· Mild Steel cutting capabilities minimum 3” thick.

· Stainless Steel cutting capabilities minimum 3” production pierce and 6” severance.

· Aluminum cutting capabilities minimum 3” production pierce and 6” cutting capacity.

· Available gases: oxygen, nitrogen, air, argon, F5, and H35.

· 30 amp to 800 amp cut capacity, 7 amp to 18 amp marking capacity.

· Plasma Automatic Torch Height Control

· Consumable start-up kit for mild steel, aluminum, and stainless steel.

· Shall include a Plasma Contour Bevel Station, capable of creating V, X, Y, and K bevels in straight lines, arcs, or circles. Programmable bevel angle (+/-) 50 degrees.

· Work Area

· Table shall be equipped with down draft ventilation system with fire retardant dust collector. Configurations or deviations from requirement must be approved by requester.

· Table equipped with standard removable/replaceable slats.

· Shall be a fully functional water filled worktable assembly.

· Cable actuated pull switch / Emergency Stop kit on front, back and both sides of machine.

· Shall come with a minimum of 2 sets of steps.

· Shall have handrails on all open edge work surfaces above 4’. Configurations or deviations from requirement must be approved by requester.

· Shall come with 2-stage, high flow gas supply regulators for all available gases (Oxygen, Argon, Nitrogen, F5/H35/H17).

· Controls

· Minimum 15” HD LCD capacity touch screen with Microsoft Windows 10 (or greater) operating system.

· Minimum 8 GB DDR4 2133 MHz 288-pin DIMM RAM

· Minimum 2.9 GHz Intel® Core i7-7700T 7th Generation CPU

· Minimum 2 x 64 GB Solid-state hard drive (primary and backup drives)

· Minimum 2 x USB 3.0 Ports on front-panel

· Minimum 24 VDC / 250-Watt ATX power supply

· SERCOS digital interface to amplifiers & I/O module

· Controls cabinet shall be cooled.

· Controls equipped with conversational programming capability.

· PCMCIA Slot for Memory Expansion.

· Data Server 256MB (DNC) min.

· Wi-Fi capabilities shall be removed or disabled.

· Fiber-Optic Network Connection Kit Includes: 300' of fiber-optic cable (ST), flexible conduit, and (2) media converters (Ethernet)

· Control Panel with tilt/rotate capabilities.

· Contractor shall provide:

· Machine shall be built to NFPA 70 and operate with AEDC power system which is 480V, 3PH, 60 HZ or quote package shall include step down transformer to machine operation voltage.

· Machine shall be equipped with pivotal torches to cut A, V, K, X, top Y and Y bottom bevels.

· Machine shall include lifting, leveling, and floor attachment hardware.

· Operating Manual, Electrical Manual, Maintenance Manual, Mechanical Manual, & Schematics.

· Verification After delivery the Contractor shall test run the machine at the site in accordance with functional tests for accuracy.

· Warranty

· This machine shall be warranted against any defects in material, parts (except plasma torch and leads), and workmanship for 24 months after the date of installation. The control motors and servomotors shall be warranted against defects in material, parts, and workmanship for 24 months after the date of installation. Plasma torch and leads shall be warranted against any defects and workmanship for 12 months after the date of installation.

· Maintenance, Parts and Service

· The Contractor or representative shall be capable of responding to a repair service call on-site within 36 hours and repair parts delivery within 48 hours after placement of order.

· Packaging/Delivery

· Provide all preservation, packaging, and packing to ensure safe delivery of the machine and related components to AEDC (FOB Arnold Air Force Base, TN 37389). Deliver Machine to AEDC for off-loading by AEDC personnel.

· Installation/Training

· Installation will be on Arnold Air Force Base, TN; Arnold Engineering Development Complex’s Model Shop, Building 451. Installation of the machine shall be accomplished by and supervised by factory trained technicians accompanied by Model Shop personnel. This service shall be included in machine cost. Training on machine features, maintenance, operation, and programming shall be accomplished at machine startup following machine installation and shall be included in machine cost.