Manual Bed Mills Item Description.pdf

DEPARTMENT OF THE AIR FORCE

OKLAHOMA CITY AIR LOGISTICS COMPLEX (OC-ALC)

TINKER AIR FORCE BASE OKLAHOMA

Statement of Requirement / Item Description

76 CMXG/553 CMMXS request the purchase of the following item (s):

Three (3) Manual Bed Mills with the following specifications

Bed-Type Mill A (Qty 1) Bed-Type Mill B (Qty2) Table Size (min) 70" x 14" 50" x 12" Table Load Capacity (min) 2,200 lbs 1,700 lbs T-slots (number x width) (min) 3 x 0.625" 3 x 0.625" Travel (X, Y, Z axis) (min) 60" x 20" x 24" 40”x 20”x 20” Rapid traverse X, Y, Z (min) X/Y=400 Z=250ipm X/Y/Z=150ipm Feedrates (min) 300 ipm 200 ipm Quill Diameter (min) 4.125" 4.125" Quill Travel (min) 5” 5" Spindle taper (min) CT40 CT40 Spindle speed range RPM 200-4500 rpm 60-4,000 rpm Spindle center to column face (min) 23" 20" Spindle motor power (continuous duty) (min) 7.5 HP 5 HP Spindle Nose Table Top (min) 24" 21" Spindle Head Swivel (degrees) (min) +30CW/-45 CCW +/-45 Power requirement 208-240V, 60Hz, 3 P 208-240V, 60Hz, 3 P 480V Transformer Required Required Floor space (max) 200" x 175" 140" x 110" Weight (min) 7,000 lbs 4,400 lbs Coolant (flood) Capacity (min) 10 gallons 10 gallons Positioning Accuracy (min) +/-0.00039" +/-0.00039" Repeatability (min) 0.0002" 0.0002" Resolution (min) 0.00004" 0.00004"

Common characteristics of both A and B milling machines:

Auto Lube Pump Precision ground ballscrews-table/saddle/ram Chrome hardened and ground quill Meehanite castings Slide ways are Turcite coated Way surfaces are hardened and ground Programmable spindle control Rigid Tap Coolant Drip Pan Work Lamp

DXF file import feature Expanded memory 100 MB 3D high speed machining Power Drawbar System Flood coolant with programmable on-off Spindle load meter Dual Electronic Handwheels Hour Meter Chip pan, table guard and column guards Remote Manual Pulse Generator (M.P.G.)

Automatic Tool Probe-Table mounted Automatic Part Probe Technical Documentation including three (3) hardcopy sets and one (1) pdf version of: operators, programming, electrical and mechanical maintenance manuals.

Alignment Accuracy/Acceptance Test Report from origin.

GibbsCAM post processor (2019)

B) Siemens 828, ProtoTrak SMX or Milltronics 8200 (or equivalent) computer-numerical-control (CNC) unit requirements:

• Operational Modes: Manual, semi-CNC and full-CNC.

• 3-Axis Contouring

• Fill-In-the-blanks and Press Cycle to Start

• 11” Color TFT LCD Monitor

• Part program storage 40GB

• 25 Canned Cycles in Conversational and G-Code

• Built-In CAD/CAM

• Flash Memory: 1 MB

• USB Port

• Helical Interpolation

• Spindle speed override

• Work Coordinate Offset/Tool Offsets (255 each)

• Polar coordinate command

• Swivel function

• Advanced pock milling

• Tool Radius compensation

• Feed/Speed/Rapid override

• Full alphanumeric keyboard

• Tool length measurement

• G72 Scaling/Rotating/Mirror Function

• G62 Automatic Corner Over Ride

• Teach Mode/Help Graphics

• Absolute/Incremental/Decimal Point Programming

• Dry Run/Background Edit

C) Initial Tooling Kit shall be of the brands Iscar, Lyndex, Sandvik, Kennametal, Big Kaiser, Haimer or Equivalent and include the following items:

1. Qty 18: CT40 Collet Chuck

2. Qty 3: ER32 Collet - 1/4" capacity

3. Qty 6: ER32 Collet - 3/8" capacity

4. Qty 6: ER32 Collet -1/2" capacity

5. Qty 3: ER32 Collet -5/8" capacity

6. Qty 3: ER32 Collet -3/4" capacity

7. Qty 3: ER32 Collet-1" capacity

8. Qty 6: Solid End Mill holder- 3/8" capacity

9. Qty 6: Solid End Mill holder- 1/2" capacity

10. Qty 3: Solid End Mill Holder -5/8" capacity

11. Qty 3: solid End mill holder -3/4 capacity

12. Qty 3: solid end mill holder -1" capacity

13. Qty 3: Keyless chuck, 1/2" capacity with holder

14. Qty 3: Collet chuck wrench

15. Qty 3: Set up Fixture/tool tightening vise.

16. Qty 60: Pull Studs

Delivery of all items required for complete installation of unit. Demonstration that the unit is fully operational.

Factory Startup/Train on site 3 days for five (5) machinists.