EMT has a separate, machining department with CNC CHUNKERS - VERTICAL AND HORIZONTAL CNC MACHINING CENTERS. Plus, we still keep a few conventional Rise & Fall Mills and NATCO gang, drilling and tapping machines that out-perform CNC equipment for certain operations. |
Mazak QTN 250MY with 5 station "live" tooling and LNS Barfeeder. |
| Here are just a few examples of parts we have made: |
| Stampings (machined) |
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C.R Steel 1/4" Thick Formed 2 1/4" x 4 1/2" x 4 1/2"
Hole Tolerances +.0004 -.0000, DU flatness to .003 and holes bored in line to .002 tolerance and V 16 finish on flat ground area. |
AISI 1050 Steel
.063 Thick x 2 1/2" x 1/2"
Intricate stamping, blanked, formed, four machining operations, heat treated and straightened. |
304 Stainless Steel
.125" Thick x 4" x 4 1/2"
Part stamped and drawn then face turned to .001 flat. Opposite side circular groove .040 wide and bored to +/- .001 tolerance. |
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| Bars |
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Steel Shaft
1/2" Diameter x 8" Long
Each end is turned to a +/-.0005 tolerance and is also eccentric to center of shaft. Also, milling and slotting on end and center of part. |
Nickel-Iron 42 Alloy
3/4" Diameter x 1 5/8" Long
Ends bored concentric within .002 TIR of each other. The O.D. turned and threaded to 3/4" - 28 thread. Two steps machined on end. |
CDA-360 Brass
9/16" Diameter x 3 9/16" Long
The O.D. is turned and knurled. Two step I.D. is bored completely through the part. Close tolerance slot milled with strict orientation to centerline of part. |
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| Extrusions |
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Aluminum Extrusion
6063-T5 - 9" x 3" x 2"
Milling, drilling, tapping and boring. Two bearing holes held at +.001/-.000 tolerance and in line within .002 tolerance. |
Aluminum Extrusion
9" x 4" x 4"
Milling, drilling and tapping. Installation of inserts. Tolerances +/- .005 critical no burr condition. |
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| Castings |
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Aluminum Casting
15" x 9" x 5"
Turnover base with bronze bushings pressed in and holes bored to +.0005/-.0000 tolerance and in line within .001 tolerance |
Aluminum Casting
6" x 4" x 2"
Large diameter bored to +/- .001 tolerance. "V" surfaces and a center slot in line with large diameter to .002 tolerance. |
Aluminum Casting
6" x 5" x 2"
Machined on Horizontal CNC. Base flatness to .001 tolerance. Bearing hole held to +.0003/-.0000 tolerance and in line to .0005 tolerance. |
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| Forgings |
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AISI 4340 Alloy Forging Heat Treated to RC 38
3" Diameter x 5" Long
Drilled and bored to +/- .001 tolerance and single point threaded after H.T. |
AISI 4340 Alloy Forging Heat Treated to RC 38
4" x 2" 1 1/2"
Form ground "V" contour to 16 finish and .005 tolerance. Milling, drilling and boring to +/- .001 tolerances after H.T. |
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| Plates |
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Aluminum Plate 6061-T651
1.250" x 4 3/4" x 8 3/4"
Milled from solid plate to close tolerances. Tapped holes from .086-56 UNC-2B. |
A2 Tool Steel
1.53" x 2.500"
Machined from a solid bar. Milling, drilling, boring, tapping and grinding. Heat treated to RC 55-60 and nickel plated. |
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