Investment Casting

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Investment Casting
TMM 4180 Erica Purvis Kelly Houlker Justin Payne
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Contents

• 1. Function and requirements of a golf club head
• 2. Titanium and investment casting in golf
• Fabrication methods
• 3. Investment casting
• 4. Forging
• Materials
• 5. Titanium
• 6. Alternative materials
• 7. References

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Detailed method of investment casting (lost wax)
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1. Making of wax patterns.

• Normally
• Injection moulding

• Smaller volumes
• Rapid prototyping.

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Injection moulding

• The pattern is engineered extremely precisely
  either using a precision die or duplicated using
  stereo lithography or similar computer solid
  modelling master.

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2. Assembly of wax sticks.

• Examined for defects
• Attached to a central wax stick by manual wax
  welding
• The tree houses the gating and feeding system.
• The tree, it is cleaned in a wetting agent or
  solvent solution, in order to remove any loose
  pieces or dirt.
• Clean water rinse

Wax Trees, Pre-Coating
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3. Ceramic shell building

• Sdsadszx

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4. Dewax (removing the pattern)
Ceramic Firing
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5. Conventional casting

• Fdsgsd
• Hghgf
• Bvnv
• N

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6. Knockout
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7. Cut off of parts

• Asfrd
• dfdf

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8. Finishing

• Investment castings often dont require any
  further machining due to the close tolerances
  that can be achieved.

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9. Final Product