General characteristics of plaster-mold casting contain
Good surface finishLow porosityHigh dimensional accuracy and fine details
举一反三
- Expendable molds , which typically are made of sand, plaster, ceramics, and similar materials and generally are mixed with various binders(bonding agents) for improved properties. These materials are refractories (that is, they are capable of with standing the high temperatures of molten metals). After the casting has solidified, the mold is broken up to remove the casting.
- In sand casting, the use of a Core in the Mold Cavity provides( ) A: external features B: internal features C: internal external features D: none of the above
- 中国大学MOOC: What are the general prose characteristics of Hemingway’s “In Another Country”?
- 中国大学MOOC: The general statement must not contain information that is too specific or too long in length.
- The general statement must not contain information that is too specific or too long in length. A: 正确 B: 错误
内容
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In the 19th century America, Romanticism had certain general characteristics. Choose such characteristics from the following items.
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Sand castingSand casting, the oldest casting process, consists of
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major categories based on different mold
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mold cavity的意思是___________.
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Important considerations of casting