Press_Brake_Specification.doc

Specification Sheet

1. One (1) 90 Ton, Computer Numerical Controlled (CNC) 8-foot Hydraulic Press Brake.

The Press Brake shall be delivered within 90 days after purchase order award and must meet all specifications identified throughout the specification sheet to include but not limited to:

· Operate on a PC Based Windows system that is compatible with OMAX Intel-MAX Software used by the water jet machines which will supply all bend material to the press and which also uses DXF files.

· 6 Axis Back Gage that is CNC controlled with each axis operating independently allowing for a complete bend cycle to run completing a part before moving to the next item.

a. Z-Axis [(Z1, Z2) (left and right)]

b. X-Axis [(X1, X2) (front to back)]

c. R-Axis [(R1 / R2) (vertical)]

· Repeatability with an on board library that stores all program data supporting the machines accuracy. Software must display each view of the bend sequence to be performed.

· Must fit into a footprint of 96 inches length, 64 inches deep, 144 inches high.

· Tooling setup must match present tooling (American not European)

2. Computer Numerical Control (CNC) Hydraulic Press Brake - The Press Brake shall be furnished in accordance with the following specifications:

a. Shall be new construction of a standard product offered for sale.

b. The distance between the Housing shall be at least 6-feet 6-inches.

c. A Die slot shall be machined the entire length of the Bed.

d. Mounting slots shall be machined in the front and back of the entire length of the Bed for attachment of gages, supports, stops and other accessories.

e. Dovetail slots shall be machined across the top of the Bed, front to back, on not greater than 24-inch centers for attachment of gages, supports, stops and other accessories.

f. Throat Clearance from the centerline of the Die slot shall be at least 7-inches.

g. Tonnage shall be at least 90 tons.

h. Ram stroke shall be at least 14-inches.

i. Ram to Bed open height shall be at least 21-inches.

j. Ram to Bed closed height shall be 7-inches.

k. Ram shall be capable of tilting at least 1-inch from end to end.

l. Ram positioning accuracy shall be + / - 0.0002- inch.

m. Ram repeatability shall be + / - 0.0002-inch.

n. Bed referenced encoders shall be mounted on each Housing and provide feedback to the CNC to ensure that deformation of the Housing during bending does not affect the accuracy of the positioning of the Ram.

o. Shall measure Tonnage and Ram position during forming stroke and display this information on the control display screen.

p. Shall be equipped to automatically compensate for variation in material thickness and strength.

1. Ram approach speed shall be at least 695-inches per minute.

2. Ram working speed shall be variable from 1-inch per minute to at least

70-inches per minute.

3. Ram return speed shall be variable from 1-inch per minute to at least

560-inches per minute.

4. Ram shall accept American style tooling.

5. Ram Die Slot shall be machined for double hooked tongue / segmented tooling.

q. Ram shall be furnished with power hydraulic clamping that both grip and seat tooling with safety tangs

r. Bed shall be furnished with power hydraulic clamping of the lower tools.

s. Bed shall be equipped to automatically exert an opposing force relative to the forming load to compensate for Bed and Ram deflection and shall be functional with or without Filler Block.

t. Shall be equipped with at least a 6-Axis Back Gage, which is CNC controlled and each axis shall operate independent of the other.

u. Back Gage shall have travels as follows:

1. Z-Axes [(Z1, Z2) (left and right)] shall travel at least 27” left and right of the centerline of the Press Brake.

2. X-Axes [(X1, X2)(front to back)] shall have sufficient travel so that finger stops are at least 24-inches from centerline of the die.

3. R-Axis [(R1 / R2) (vertical)] shall travel at least 8-inches from top of the

Bed.

4. The Z-Axes shall position at a speed of at least 2995-inches per minute.

5. The X-Axes shall position at a speed of at least 2995-inches per minute.

6. The R-Axis shall position at a speed of at least 295-inches per minute.

v. Over the top gaging points with material supports with a range of at least 39”

w. Back Gage and positioning mechanisms shall not interfere with placement of materials greater than 39-inches in depth (X-Axis).

x. The Back Gage shall be equipped with at least two (2) 3-Point Gage Fingers with Integral Material Support and one point on each Finger shall act as an End Gage. End Gage positioning shall be accomplished through CNC programming or by Manual Data Input (MDI).

y. The front of the Press Brake shall have at least two (2) manually adjustable Material Supports with at least 15 inch (X) slides. Shall have vertical (R) adjustment of at least 8-inches, and shall slide along entire length of machine bed (Z).

1. Shall be furnished with a “Presence Sensing” device (light curtain) installed with control interface that automatically stops machine Stroke if sensing field is interrupted.

2. Shall be capable of operating on 480-volt, 60-Hertz, 3-phase power available at the site. NOTE: 480-volts is the operating voltage at the site.

3. Computer Numerical Control (CNC)

a. The Press Brake shall be equipped with an Industrial Based PC

Control.

b. The Control shall be mounted on a moveable pendant / arm. All operating controls necessary for manual and programmed operation of the machine shall be mounted for convenient operator access and shall be clearly identified to facilitate use.

c. The CNC shall include but not be limited to the following features:

1. Control shall display in the English language.

2. Shall be Ethernet compatible and have a built in Ethernet.

3. Shall be a 3-D Color Graphic Control.

4. Shall have Microsoft Windows Embedded Standard (WES).

5. Shall be a software programmable multi-axis control for controlling Tonnage, Ram speed and positioning, angle, dynamic crowning, material thickness / strength compensation, and a multi-axis Back Gage.

6. Built-in computer-assisted programming software which allows the operator/programmer to program complex 2-dimensionsal (2D) and 3-dimensional (3D) parts both graphically and by shape definitions at the CNC console shall be included as part of the system software.

7. Shall calculate flat blank size.

8. Shall be furnished with bend simulation software.

9. Shall be furnished with a software package for off-line programming that is compatible with the imbedded programming software and shall have as a minimum the same features. The Contractor shall provide the name of the preferred and supported programming software system within fourteen (14) days after the effective date of this contract to allow the Government time for arrangements for the computer system(s) to run this software.

10. Shall be able to read 3D (*.SAT. *.STP, *.STEP, *.IPT) files, 2D Data Exchange Files (DXF) from other Computer Aided Design (CAD) systems.

11. Shall be able to export the resulting developed flat blank pattern as a DXF file to other CAD systems.

12. Shall have at least a 15-inch Thin Film Transistor, Color Liquid Crystal Display.

13. Shall have a Touch Screen Operator Interface.

14. Shall have a full size alphanumeric keyboard and a mouse.

15. Shall have a solid-state hard drive.

16. Shall have at least 2 Gigabytes of Random Access Memory (RAM).

17. Shall have an Ethernet RJ 45 port.

18. Shall have a graphical library for American tooling, including precision ground segmented Wilson tooling.

19. Shall be equipped with a remote control hand box to facilitate job set-up and machine operations and shall include provisions for the manual control of the Ram and Back Gage.

20. Shall display Maintenance Messages, Control Diagnostics, and Machine Diagnostics.

21. Shall display indicators for direction of Ram movement.

4. Machine Construction

a. Shall be a down acting Press Brake.

b. Press Brake shall be furnished with type and quantity of oils and lubricants required by manufacturer to meet operational and warranted requirements.

c. The Contractor shall furnish, within fourteen (14) days after date of award, any and all information necessary to allow the Government to prepare the site. The Government will bring the electrical and air service to within ten (10) feet of the installed Press Brake.

5. Training

Operator training that comes with the machine purchase shall be listed as a line item in proposals.

6. Removal of old Press Brake and installation of new Press Brake

Proposals shall include the rigging costs of removing the old machines from the building and placing them in a location outside the building and moving the new machine into the building and bolting it to the floor.

7. Press Brake Tooling

a. The Contractor provided Press Brake shall be furnished with precision ground American Style Tooling heat-treated to 60 Rockwell c scale (Rc) hardness to a depth of at least 0.020-inch. Tooling shall have a Nitrex coating to prevent rust and add lubricity to the tooling. All Tooling shall have Stage Bending capability. Tolerances for shoulder to tip and “V” length, angles, radii, tongue width, and tongue to tip and “V” centerline shall be at most + / - 0.0008- inch. Upper Die Tools 18.000-inches or less in length shall be configured for vertical front loading into the Ram with safety retaining tangs to prevent tools from falling out until clamped, safety tangs shall be retractable for insertion and removal from Ram Die Slot. Upper Die Tools longer than 18.000-inches shall have bolt on safety tangs.

b. Tooling shall be provided as follows:

1 each--American Style 5.75-Inches Tall, 30-Degree Acute Gooseneck Die Punch, 0.031-Inch Tip Radius, 35.88-Inches Segmented Set. (See attachment 1)

1 each--American Style 5.75-Inches Tall, 30-Degree Acute Gooseneck Die Punch, 0.062-Inch Tip Radius, 35.88-Inches Segmented Set. (See attachment 1)

1 each--American Style 5.75-Inches Tall, 30-Degree Acute Gooseneck Die Punch, 0.125-Inch Tip Radius, 35.88-Inches Segmented Set. (See attachment 1)

1 each--American Style 5.75-Inches Tall, 30-Degree Acute Gooseneck Die Punch, 0.094-Inch Tip Radius, 35.88-Inches Segmented Set. (See attachment 1)

1 each--American Style, 30-Degree Staged Acute Die, 0.500-Inch V-Opening, 35.88-Inches Long Segmented Set. (See attachment 1)

1 each--American Style, 30-Degree Staged Acute Die, 0.625-Inch V-Opening, 35.88-Inches Long Segmented Set. (See attachment 1)

1 each--American Style, 30-Degree Staged Acute Die, 1.00-Inch V-Opening, 35.88-Inches Long Segmented Set. (See attachment 1)

1 each--American Style, 30-Degree Staged Acute Die, .250-Inch V-Opening, 35.88-Inches Long Segmented Set. (See attachment 1)

1 each--American Style 5.75-Inches Tall, 75-Degree Large Gooseneck Die Punch, 0.031-Inch Tip Radius, 35.88-Inches Segmented Set. (See attachment 1)

1 each--American Style 5.75-Inches Tall, 75-Degree Large Gooseneck Die Punch, 0.062-Inch Tip Radius, 35.88-Inches Segmented Set. (See attachment 1)

1 each--American Style 5.75-Inches Tall, 75-Degree Large Gooseneck Die Punch, 0.125-Inch Tip Radius, 35.88-Inches Segmented Set. (See attachment 1)

1 each--American Style 5.75-Inches Tall, 75-Degree Large Gooseneck Die Punch, 0.250-Inch Tip Radius, 35.88-Inches Segmented Set. (See attachment 1)

1 each--American Style 5.75-Inches Tall, 88-Degree Large Gooseneck Die Punch, 0.188-Inch Tip Radius, 35.88-Inches Segmented Set. (See attachment 1)

1 each--American Style, 75-Degree Staged Arrow Die, .250-Inch V-Opening, 35.88-Inches Long Segmented Set. (See attachment 1)

1 each--American Style, 75-Degree Staged Large V Die, 1.500-Inch V-Opening, 35.88-Inches Long Segmented Set. (See attachment 1)

1 each--American Style, 75-Degree Staged Block Die, .500-Inch V-Opening, 35.88-Inches Long Segmented Set. (See attachment 1)

1 each--American Style, 75-Degree Staged Block Die, .625-Inch V-Opening, 35.88-Inches Long Segmented Set. (See attachment 1)

1 each—American Die Holder, 4.00” Height, 35.88-Inches Long Segmented Set. (See attachment 1)

1 each—Punch holder to accept grooved punches, 4.00” Height, 35.88-Inches Long Segmented Set. (See attachment 1)

1 each— Press Brake Tool Storage Cabinet. Cabinet shall be made of steel and measure at least 47-inches wide by 23-inches deep by 47-inches tall. Cabinet shall be supplied with two (2) drawers that are at least 2-inches deep, one (1) drawer that is at least 3-inches deep, three (3) drawers that is at least 7-inches deep. Drawers shall have compartments to store tools upright to prevent tip damage. Shall be provided with a safety interlock to prevent the opening of more than one drawer at a time. Cabinet shall be mounted on casters capable of supporting three thousand six hundred (3600) pounds. Two (2) casters shall swivel.

Attachment 1

Segmented Sets of tools, Die Punch and Die, shall be precision ground to a tolerance of + /- 0.0004 with surfaces perpendicular to the tip and shoulder and have lengths as follows for a total overall length of 35.88-inches:

1 each—12.00-inches

1 each—8.00-inches

2 each—4.00-inches (See Note Below)

1 each—3.00-inches

1 each—2.00-inches

1 each—1.00-inch

1 each—0.75-inch

1 each—0.62-inch

1 each—0.50-inch

Note

The Die Punch Segmented Sets shall have one (1) 4.00-Inch Long Left Hand Die Punch with an Ear/Horn and one (1) 4.00-Inch Long Right Hand Die Punch with an Ear/Horn.