Mumbai University > Mechanical Engineering > Sem 5 > production process 3

Marks: 5M

Year: May 2016

Advantages:

• Less material required in stocks and hence the inventory cost is reduced.
• Estimation is easier as the cost of mould unit is known.
• Machining of plates is eliminated and hence labour time required is less.
• One mould can be used fpr several similar workpieces.
• Overall time, the mould is in the tool room delivery time is reduced.

Limitations:

• Number of standard sizes available is limited.
• Maximum size and depth of mould available is relatively small.
• The ejector stroke may be greater than it is actually given in the standard mould limit.
• It is difficult to position and manufacture coding system flow ways for pre-machined mould plates.