Secondary Operations
Secondary Operations for powder metallurgy parts at Atlas are value-added processes available both in-house and through our relationships with well-established and certified partners.
REPRESSING
Secondary Operation | Typical Parts | Objectives |
Coining Objective | All | Densification, dimensional control |
Sizing | All | Dimensional control |
IMPREGNATION
Secondary Operation | Typical Parts | Objectives |
Resin | Structural | Improve machinability. Prepare surface for plating with other metals. Seal parts gas or liquid tight. |
HEAT TREATING
Secondary Operation | Typical Parts | Objectives |
Quench and Temper | Ferrous Structural | Improve strength and hardness. |
Steam Treat | Ferrous | Make surface hard and wear resistant. Improve corrosion resistance and seal porosity. Provides a black/blue surface appearance for coloration needs. |
MACHINING
Secondary Operation | Typical Parts | Objectives |
Drill and Tap | All | To install set or assembly screws. |
Turning | All | Machine to exact tolerances. Form undercuts not possible with punch and die tooling. |
Milling | All | Form undercuts or slots. |
Grinding | All | Remove stock, make faces parallel, and improve surface finish and tolerances. |
Honing | All | Improved dimensional control. |
FINISHING
Secondaty Operation | Typical Parts | Objectives |
Deburring | All | Smooths edges related to parting lines. |
Burnishing | Ferrous Structural | Ball size, roller burnish for size control and surface finish. |
Coating Oil Dip | Ferrous | Corrosion resistance. Lubrication |
Copper, Nickel Zinc Plating | Ferrous | Corrosion resistance, appearance. |
Welding | Ferrous, 6.8 g/cm min. density | Makes assemblies from two or more parts. |
Black Oxide | Ferrous, resin impregnated | Corrosion resistance, paint base. |
Mechanical Surface Treatments: Glass Beading Wire Brush, Sanding | All | Clean, improve surface. |
Coating | Ferrous | High corrosion resistance. |
Tumbling/ Vibratory Finishing, Grit Blasting | All | Improve surface fatigue life. |
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CONTACT INFORMATION
Mailing Address
125 Tom Mix Dr.
P.O. Box P
DuBois, PA 15801
USA
Phone
Fax
TESTIMONIALS
“Atlas Pressed Metals is a professional organization with great knowledge,
experience and expertise in the PM industry. They have a clean, well run, world class facility, operated by a very talented and experienced staff. It is a pleasure to work with them.”
- A Satisfied Customer, Supply Chain Manager | Hardware Industry