diff --git a/uni/mmme/1029_materials_and_manufacturing/manufacturing.md b/uni/mmme/1029_materials_and_manufacturing/manufacturing.md index 6b79bcb..95057e7 100755 --- a/uni/mmme/1029_materials_and_manufacturing/manufacturing.md +++ b/uni/mmme/1029_materials_and_manufacturing/manufacturing.md @@ -375,6 +375,25 @@ parts. More manual labour is required and has longer cycle times than injection moulding. +# Machining Processes + +## Advantages of Machining Processes + +- High precision of geometrical dimensions, tolerances, and surface finishes +- Is able to make one off prototypes in production grade material +- Creates high volume production tooling +- Increasing hard/brittle/fragile/tough materials can only be machines +- Some designs are so complex that machining is the only realistic process to make them with + +## Disadvantages of Machining Processes + +- Material is wasted (as it is a subtractive process) +- Complex parts require expensive machines to make and making them can take a long time +- Parts need to be set up using fixtures. These fixtures get increasingly complex with the part. +- Faster production rates and harder materials wear down the tools. + + + # Glossary [^d_deflocculant]: a substance which, when added to scattered particles in suspension, causes a reduction in apparent viscosity. Deflocculants are substances which prevent flocculation by increasing zeta potential and therefore the repulsive forces between particles. ()