Casting

Casting

Sand casting

This diagram is correct, except the vents on steps 4 and 5 are not necessary

Sand casting image

Advantages

Disadvantages


Gravity die-casting

Gravity die casting image

Advantages: Low cost, quick, simple, mould can be reused, good for one off production

Disadvantages: Manual process, requires trimming afterwards, not very good surface finish


Pressure die-casting

Gravity die casting image

Advantages: Can be automated, can make large amounts of products, good surface finish

Disadvantages: High initial cost, requires trimming afterwards