Pattern is an mirror image of the casting, when it is used with suitable moulding material it forms a cavity called as mould.
When this cavity is filled by molten metal and after solidification we get the desired casting.
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Showing posts with label distortion. Show all posts
Showing posts with label distortion. Show all posts
February 17, 2013
Pattern Making and Allowances
Pattern is an mirror image of the casting, when it is used with suitable moulding material it forms a cavity called as mould.
When this cavity is filled by molten metal and after solidification we get the desired casting.
February 13, 2013
Defects in wood
The common defects occurring in the wood and it can be divided as:
1. Defects which are caused in the tree due to abnormality in the growth.
2. Defects are also caused during seasoning operation.
3. Some defects are also there due to termites or insects.
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