SOW.pdf

50 Ton Press

Statement of Work (SOW)

The contractor shall provide a new 50 ton down-acting Hydraulic Press System in accordance with the specifications as shown below.

I. GENERAL REQUIREMENTS

The system being purchased is a 50 ton Down-Acting Hydraulic Press System. It will be installed in a laboratory in a restricted area at the Naval Air Warfare Center Weapons Division, China Lake, CA. The contractor shall be responsible for all equipment required to install the press. The press must pass through a 10-foot high door for installation. There is no crane or equipment in the building to assist in the installation.

II. COMPONENT SPECIFICATIONS

A. Mechanical requirements

1. Four Post down-acting configuration with stripping capabilities

2. Clamp capacity of 50 tons compression force with a minimum 2600 PSI hydraulic pressure

3. Pressure control range of 5-50 tons

4. Minimum daylight opening of 60” platen opening with a minimum cylinder stroke of 40” for full platen closure when empty.

5. The press shall be capable of full platen closure. This may be accomplished with either a 60” cylinder stroke or through a removable

20” ram extension/spacer.

6. Maximum work height of 20” lower platen working surface to surface to the floor

B. Platen Size and Requirements

1. Minimum size of 30” by 30” with a maximum of 36” by 36”

2. Platen Material Requirements: 410 stainless steel

3. Blanchard ground flat and parallel within .001/ft. of span

4. Single piece design

5. Gun-drilled for a minimum of (12) cartridge type heaters

6. Each platen shall have a minimum of one (1) “J” type thermocouple per platen

7. Each platen shall have a minimum of four (4) standard ¾ inch T-slots per plate

C. Electrical and Insulation Requirements

1. Design for a 480 V – 3 Phase 60hz system

2. Maximum operating temperature of 800 degrees F. and minimum operating temperature of 75 degrees F

3. Stainless steel heater covers

4. Platen insulation a minimum of 1” thick Ultra Temp. SD insulation between platens and bolsters

5. Heater control hardware will include one PID type display temperature controller for each platen

6. An oil tight enclosure housing and main power disconnect switch

7. Heater control hardware and PLC and operator interface will be mounted on the hydraulic system skid located adjacent to the press

D. Operator panel configuration

1. Panel view interface terminal for operator settings of process parameters will include pressure set-point

2. Power on/off selector switch, and pilot light

3. Heaters on/off selector switch and pilot light

4. Bump on/off selector switch and pilot light

5. Two (2) press to close pushbuttons (OSHA) anti-tie down circuit

6. Press to open pushbutton

7. Emergency stop pushbutton

8. Auto/manual selector switch and pilot light

9. Panel will include all interconnecting heater wiring, conduit and control wiring

E. Hydraulic requirements

1. Self-contained hydraulic system with large capacity reservoir containing liquid level, temperature gauges and access cover. All to be mounted on a fabricated structural steel base frame to be located adjacent to the press

2. Maximum operating pressure of 3,000 PSI

3. High volume low pressure pump and motor for press closure

4. Low volume high pressure pump and motor to build and maintain the clamp tonnage

5. Filtration: 10 micron return line cartridge filter

6. Water cooled heat exchanger for maintaining optimum hydraulic fluid temperature

7. Pressure transducer and proportional valves for programmable pressure control

8. Decompression circuit for operator manual bump

F. Size requirements

1. The press shall be able to fit and fully operate in a building with a 13.5’ ceiling.

G. Documentation

1. Operator Manual to include Maintenance procedures and spare parts list

2. Electrical schematic diagrams and parts lists

3. Hydraulic schematic diagrams and parts list

4. Main assembly drawings and parts list

H. Installation

1. Contractor shall provide all personnel, transportation, installation, inspection, start-up and performance testing. Costs of the above shall be included in the cost of the Press. The Press will be installed on an active

U. S. Navy facility. Contractor may be required to support the eligibility of foreign nationals to be permitted in the installation of the Press.

(Non- U.S. citizens may be required to furnish documentation of residency status). At least one week prior to installation, the contractor shall contact the principal operator (contact information will be provided at award of contract) with pertinent information to arrange an official visit for the installation.

I. Training

1. Contractor shall provide on-site training in the operation of the Press for up to 4 Government personnel immediately following installation.

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