Dura-Bar offers cold finished duplex milling as an added service for rectangular and square bars. Duplex milling offers the advantage of milling two sides of a product in one operation for additional cost efficiencies. Many sizes are available from stock. Many others can be custom ordered.
Some benefits of close tolerance bars include:
Eliminating rough milling operations
Sizing or locating for fixtures and tombstones
Removing the as-cast surface to increase insert life
Capabilities:
Surfaces Milled
2 or 4 sides
Max. As-Cast Size
6.250" x 6.250" *
Min. Milled to Size
2.000" x 2.000"
Size Tolerance Up To
+/- 0.005" (A,B)
Square, Parallel and Flat
Within 0.010" in any 6.000" section (C)
Surface Finish (RMS)
125 RMS maximum
Bar Length
72" (D)
Coating
Milled bars coated with a rust prohibitive
* Please contact Dura-Bar if you require larger sizes
Dura-Bar offers cold finished planner milling for rectangular and square bars. Planner milling can treat one, two, three or four sides of a product to meet specific customer needs and applications.
Some benefits of close tolerance bars include:
Eliminating rough milling operations
Sizing or locating for fixtures and tombstones
Removing the as-cast surface to increase insert life
