Investment Castings

Investment casting is a process that uses wax to make a pattern of a desired shape. The wax impression is coated with various ceramic materials and then replaced with the metal/alloy of choice to create an exact duplicate of the initial wax pattern.

The distinct advantages of this casting process over other types include flexibility of design, close tolerances, thin sections, and high static and dynamic mechanical properties. The use of this process tends to produce a good surface finish, and lower total component cost.

  Weartech manufactures investment castings of cobalt and nickel based alloys to exact specifications supplier by the customer.

MACHINING: Turning, Facing, & Boring
Tools Recommended: C-2 or Carboloy 883
Alloy Rough Machining Semirough Machining Semirough Machining
DOC(in) IPR(in/rev) SFPM DOC(in) IPR(in/rev) SFPM DOC(in) IPR(in/rev) SFPM
WT 6,50 0.25 0.003-0.006 40-50 0.125 0.004-0.008 50-60 0.005-0.025 0.006-0.012 70-90
WT 1,12 0.25 0.002-0.005 35-45 0.125 0.003-0.007 55-65 0.005-0.025 0.005-0.010 65-85
WT 3,19,60 0.25 0.002-0.004 35-45 0.125 0.003-0.005 55-65 0.005-0.025 0.003-0.007 65-85
WT 12 0.25 0.005-0.008 50-60 0.125 0.006-0.010 60-70 0.005-0.025 0.007-0.012 80-90

DOC: Depth of Cut     IPR: Inches per Revolution     SFPM: Surface Feet per Minute

Note: for drilling use carbide tools


GRINDING
Grinding is recommended for alloys with hardnesses higher than RC 55. Alundum type of wheels are preferable. Grinding speeds of 2800-4000 ft/min are used depending on the alloy and parts. The use of coolants minimize surface cracks.
  • Country:Saudi Arabia
  • telephone:966-562-698-7847
Investment casting is a process that uses wax to make a pattern of a desired shape
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