| Job Title |
Shrink-pit Operator |
| Job Description |
Controls Shrink-pit Furnace To Assemble Hoops And Liners To
Tubes To Form Cannon Barrels: Positions Steel Blocks In
Shrink-pit To Form Angle For Subsequent Positioning Of Tube So
That Breech End Of Tube Will Be At Floor Level. Cleans And Oils
Contact Surfaces Of Parts With Gasoline, Oil, And Graphite To
Facilitate Assembly. Lowers Hoops Into Furnace, Using Hoist.
Moves Furnace Controls And Observes Thermocouple Pyrometer And
Recording Potentiometer To Heat Furnace To Specified
Temperature. Guides Cold Tube, Lowered By Crane, Through Hot
Hoops In Furnace. Turns Water Valve On Cooling Ring And Lowers
Ring Into Furnace, Using Hoist, To Spray Hoops And Shrink Them
Onto Tube. Reheats Hoop And Tube Assembly, Guides Liner Into
Tube, And Regulates Water Spray To Shrink Tube Onto Liner.
|
|
