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Sintered Metal Spline Coupling
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Precision Powdered Metal Parts, Inc.'s Colorado Sintered Metals facility in Colorado Springs, fabricated these P/M spline couplings suitable for high torque applications in freight car emergency hand brakes. These parts were fabricated through powdered metal compaction, sintering, and copper infiltration. Molding tools for our 300-ton press were designed in-house according to exact customer specifications. Our powdered metal compaction process facilitated the production of parts with uniform dimensions and enabled us to maintain tolerances close to 0.003". In addition, the sintering and copper infiltration process enhanced the mechanical and physical properties of the P/M parts. Made from copper infiltrated steel, the parts have a density of 7.3 gms/cc and surface roughness of 32 RMS. Typically about 25,000 parts are produced annually with eight weeks production lead-time and require no secondary processing.
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Specifications:
| Product Name: |
10 Spline Coupling |
| Capabilities Applied/Processes: |
Powdered Metal Compaction
Sintering
CU Infiltration |
| Tightest Tolerance: |
0.300" +0.003"/-0.000" |
| Product Length: |
Major Diameter: 4.578"
Hub Diameter: 2.391" |
| Product Height: |
Overall: 0.863"
Flange: 0.453" |
| Product Weight: |
505 grams |
| Density: |
7.3 gms./cc |
| Press Size: |
300 Tons |
| Surface Roughness: |
32 RMS as pressed |
| Base Material: |
Copper Infiltrated Steel (Fx-2008-60) |
| Color: |
Copper Tinted Steel |
| Material Finish: |
As Sintered |
| Special Feature: |
Splined I.D. |
| Secondary Operations Applied: |
None |
| Industry for Use: |
Rail
Freight |
| Volume: |
25,000 |
| Delivery Location: |
South East U.S. |
| Standards Met: |
MPIF STD. 35 |
| Product Name: |
10 Spline Coupling |
| Design Work: |
In-House Tool Design |
| Tooling Cost: |
$19,000 |
| Product Description: |
Emergency Hand Brake |
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