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Technical Data

Investment CastingMeenaakshe Investment Mold Technical Data

The following technical data applies to Meenaakshe Investment Mold,

Typical surface finish Blasted finish available.

*Testing available

125 RMS Avg Steel Shot, Aluminum Oxide, Stainless Steel Shot Chemistry, Test Bar Mechanicals, Charpy Bar.
Hardness Testing
*
NDT testing available:

*Available at an extra cost.

Dye Penetrant Inspection, Magnetic Particle Inspection, Radiographic Test.
Linear Cast Tolerances
Standard tolerances. ±0.007˜⁄ first inch and ±0.005˜ each additional inch.
Hole size tolerance. ±0.005˜⁄ inch typical
Premium tolerances. ±0.005˜⁄ inch
Standard flatness, straightness, parallelism, perpendicularity, concentricity tolerances. 0.005˜⁄ inch
*
Premium flatness, straightness, parallelism, perpendicularity, concentricity tolerances.

*Premium tolerances available at extra cost

0.003˜⁄ inch
Hole depth features. Through holes depth in relation to the diameter or width. Smaller holes (<1.0˜) may be limited to a 2⁄1 ratio whereas larger holes (>1.0˜) may provide up to a 3⁄1 depth to width ratio. Blind holes and slots require large fillet radii at the base and half of the depth to width ratio required.
Minimum wall thickness. 0.06˜ – 0.09˜
Typical machine stock requirements. > 63rms surface finish and > ±0.003˜: 0.03˜⁄side
< 63rms surface finish and < ±0.003˜: 0.06˜⁄side
Inside processes available. Heat Treatment Machining.

Materials

  • Steel range :
    • Carbon and Alloy Steel.
    • Austenitic Stainless Steel.
    • Martensitic Stainless Steel.
    • Precipitation hardening Stainless Steel.
    • Duplex Stainless Steel.
    • Nickel base alloys .
    • As per ASTM ⁄ IS ⁄ DIN ⁄ EN ⁄ customer specific standards.