Atch 01_Requirements Document_Metal Plate Roller.pdf

SHEET METAL PLATE ROLLER

Requirements Document

For

846th Test Squadron

1.0 PURPOSE

The 846th Test Squadron Sheet Metal Shop TGTOHS located in Building 1178, Holloman AFB, NM, is in need of a Sheet Metal Plate Roller capable of rolling hardened alloy steel plates of at least 1/4-inch thickness with a tight 6-inch diameter. The 6-inch diameter plate roller is required for the fabrication of steel bands used on 9-inch Pup Fish sleds and the only metal plate roller available in the shop is not capable of rolling steel bands smaller than a 12-inch diameter

2.0 SCOPE

The Contractor shall provide a Sheet Metal Plate Roller that meets the following requirements:

2.1 Fully hydraulic four roll sheet metal Plate roller.

2.2 Hardened and ground rolls: Rolls must be hardened to minimum 54-56 HRc and polished smooth.

2.3 Minimum rolling capacity of ¼” thick type 4130 Alloy Steel Sheet as follows:

2.3.1 Pre-bending to 6” Diameter X 12” Wide X ¼” Thick sheet with resulting flat end of 2 times material thickness.

2.3.2 Pre-bending to 24” Diameter X 24” Wide X 5/32 Thick sheet with resulting flat end of 2 times material thickness.

2.3.3 Circular bending to 18” diameter 24” Wide X 3/16” Thick sheet.

2.3.4 Circular bending to 36” diameter 24” Wide X 1/4” Thick sheet.

2.4 Minimum total roll surface length: 24.5”. If the total roll surface is over 24.5”, it must be able to meet the specifications in section 2.3.

2.5 Variable speed drive on rolls by means of hydraulic motor, one motor for each roll.

2.6 Automatic speed compensation between the rolls.

2.7 Electronic parallelism control for the two side rolls. Mechanical adjustment of lower roll parallelism.

2.8 Hydraulic drop end.

2.9 High quality ball bearings in all journals.

2.10 Digital readouts showing the positions of the side rolls at both ends.

2.11 Wireless control unit with electronic joysticks for easy & safe operation of the machine.

2.12 Complete electrical equipment for 480V, 3-phase, 60Hz.

2.13 Safety emergency stops.

2.14 Basic tool set for service and maintenance.

2.15 Operator’s Manual.

2.16 Maintenance Manual.

3.0 MILESTONES

The Sheet Metal Plate Roller shall be delivered by 1 Dec 2020.

4.0 DELIVERABLES

Deliver a Sheet Metal Plate Roller that meets the minimum requirements listed in section 2.0 to the 846th

Test Squadron, 1521 Test Track road, Building 1173, Holloman AFB, New Mexico.