
04金屬壓鑄與壓鑄模測驗
Authored by 許 俊偉
Instructional Technology
9th - 12th Grade

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22 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
對壓鑄加工而言,控制適當的模具溫度主要的目標是能使「熱」達平衡狀態。
2.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
鎖模力即壓鑄機加在鑄模的總壓力,一般鎖模力需為開模力之2~3倍左右。
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Answer explanation
1.1~1.25倍左右。
3.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
壓鑄機若依其適用之壓鑄方法分類,可分為熱室壓鑄機與冷室壓鑄機兩種。
4.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
澆道設計時應儘量暢順,不要有尖銳彎角或過大的方向轉變,以免產生亂流或混入氣體。
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
壓鑄鋁合金中若含鐵量在0.8~1.3%之間,可改善鑄件黏模的缺點,又可增大硬度。
6.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
鎂合金之鑄造溫度在650℃~700℃之間,宜以冷室法壓鑄。
7.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
壓鑄是將鐵金屬或其合金,在熔融狀態下以高壓注入金屬模中,使製品成為固定形狀的一種加工方式。
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Answer explanation
非鐵金屬。
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