U.S. MINT DENVER
MACHINE SHOP
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Statement Of Objectives (SOO)
For
Tool Room Lathe

Prepared By: Adrian M. Wilson
Approved By:
1.0 Overall Objectives:
The overall objective of this purchase is to replace the South bend 1307 tool room lathe purchased in 1973 which is worn out to the point that accuracy is no longer possible. The aforementioned lathe is currently not in service due to the unavailability of replacement parts. The new lathe must be a Hardinge HLV® Super - Precision Tool room Lathe or its equivalent.
2.0 Contract Objectives:
The following additional information is provided for contract clarification:
a. New Precision Inch/Metric Tool Room Lathe complete
b. Spindle Capacity
a. With Round 5C Collets - 1 1⁄16"/27mm
b. With Hexagon 5C Collets -7⁄8"/22mm
c. With Square 5C Collets - ¾"/19mm
d. With Step Chucks - 6"/152mm
e. Jaw Chucks - 5"/127mm
f. With Expanding Collets - 3"/76mm
c. Spindle Configuration - 5C Tapered Nose
d. Hole Through Spindle 1 ¼"/31mm
e. Infinitely Variable Spindle Speeds 125 to 3,000 rpm
f. Capacity
a. Swing Over Bed - 11"/279mm
b. Swing Over Carriage - 9"/228mm
c. Swing Over Cross Slide - 6"/152mm
d. Between-Centers Distance - 18"/457mm
e. Compound Slide Travel - 3"/76mm
f. Carriage Power Feed Range - 5⁄16" to 7ipm; 8 to 178mm/min
g. Cross Slide Power Feed Range - 3⁄16" to 4ipm; 5 to 102mm/min
h. Coolant Sump Capacity - 3 US Gallons/11.4 liters
g. Tailstock
a. Morse Taper Center - MT No. 2
b. Tailstock Spindle Diameter - 1 3⁄8"/35mm
c. Tailstock Spindle Travel - 3 ¾"/95mm
h. Miscellaneous
a. Digital Readout
b. Lamp
c. Base L18 Tool Holder
d. Parting Tool
e. Knurling Tool
f. Tool Holders
g. Round Shank
h. Selection of Chucks, Shanks, and Centers
3.0 Engineering objectives:
a. Purchase, and ensure delivery, installation and support for a new tool room replacement lathe.
4.0 Program Objectives:
a. To be capable of producing several part types that require small lathe accuracy including parts for Numismatic Branch.
b. Day to day maintenance machining of small accurate parts for vault doors, scales, coin counters, and other equipment.
c. Allow Machinists and Toolmakers to work more efficiently by increasing the speed and accuracy of the work they perform due to higher spindle speeds.