⼺ ҷ Ѵ. ̵ ҷ ذϱ ؼ 켱 ü ·ȭ ʿ䰡 ִ.
ؼ δ ߿ϴ.
̰ µ ҷ ̿ ϱ ؼ ߿ ̴.
쿡 ؼ ż Ըؼ å ƴϴ.
Ǵ ϰ ÿ ϰ, Ѱ ҷ å Ϳ ؼ ٸ ҷ ذϱ Ѵ. ̿ Ȳ óϱ ؼ ߿ϴ.
Ͽ ⼺ ߿ ҷ ο ؼ ο ϴ 뷫 Ͽ.
1.Ʈ | 2.÷ | 3.ũũ | 4.÷ο츶ũ | 5. | 6.úҷ | 7.
8. | 9.źȭ | 10.ũ¡ ũŷ | 11. Ǵ | 12. | 13.ҷ
Ʈ(Shot Shot) öƽ Ѵ ̴.
Ʈκ κп ϴ ܹ ָ Ʈ ̴. ҷ,
з , ȭ, з ִ.
̵ ũũ, ÷ο츶ũ ΰ , Ư ũũ Ʈ ϱ ϵ ִ.
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1.ɷ(뷮, ȭɷ)
2.
3.з
4.µϷ
5. ӵ
(Ư ǰ )
6. Ŀ з¼ս ŭ
7. Ϻҷ,
ũ Ժҷ
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1.Ʈ ҷ
2.ҷ
3.Ʈ, ,
4.µ
5.ݵ װ
6.ijƼ β .
7.ð
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1.
2.Ȱó
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÷(flash) ǰ Ժ ̿ κ öƽ Ǿ ȭϴ ̴.
պο Ѵ.
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1.з ũ.
2.ü
3. .
4.µ .
5.з .
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1.պ ҷ
2. ̹
3.ijƼ
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1. .
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ũũ(Sink Mark) ǰ ǥ鿡 ϴ Ը̴.
ũũ κ β κп Ǿ öƽ
µ Ͽ ü ҿ з Ͽ ϴ ü ̴.
δ ༺ .
κ ū Ͼ װ ǰ ǥ鿡 Ѵٸ ũũ ǰ ǰ ΰ
Ǹ ȴ. ũũ Ըܰ ٸ ö ټ
Ÿ 쵵 ִ.
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1.з ۴.
2.з ð ª.
3.ӵ .
4. .
5.µ .
6. Ŀ з
ս ũ.
7.ӵ .
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1.µ ų ұ
2.Ʈ ۴.
3., 簡 þ ũ.
4.ijƼ β κ ִ.
5.
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1.
2. ũ.
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÷ο츶ũ(Flow Mark) ǰ ǥ鿡 Ʈ ߽ ɿ Ǵ ǥ ĥ
Ű ̴. ̰ ᰡ ָ ĵϸ鼭 귯
κ ռ ȭDZ Ͼ ̶ ִµ ظǰ
ִ. ũ ϱ .
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1.Ϸ .
2.ӵ .
3. ۴.
4. .
5.ð ª.
6. Ƿ .
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1.µ .
2. ð
3. ʹ .
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1. ڴ.
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(Silver Streak) ǰ ǥ鿡 ᰡ 帣 () ̴.
̰ ǰ ȭDZ ǥ ̴.
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1.뷮, ȭɷ
2. Ǿ.
3.Ǹ ü κ
4.ӵ .
5.з .
6.ũ ⸦ Ѵ.
(, зº )
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1.µ .
2.ҷ
3.Ʈ ġҷ
4.ijƼ ҷ
( Ⱦϰų
β ް ȭ ִ.)
5.Ʈ, ,
6. ɷ
7.鿡 ̳ Ȱ
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1.߿ ̳ ֹߺ ִ.
2.ῡ Ⱑ ȥ
(縴 )
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öƽ ⸦ , ֹߺ ÿ Ǿ
ȴ.
úҷ 帧(Dull Surface) ǰ ǥ ϸ鿡
ڰ DZ ϰ ǰ 帲 Ű ̴.
̵ 鿡 öƽ ϱ ϰ κ (, ֹߺ )
ǥ鿡 ؼ öƽ ϴ ̴. ʹ
ص ̴.
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1.¡ ұ
2. ð
3. .
4.ӵ ų
.
5. .
6.Ƿ .
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1.µ ġ
2.Ʈ, ,
3.鿡 м.
4.
5. .
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1. ̳ ֹߺ
2.Ȱ߿ ֹ .
3.ٸ ȥ
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(Weld Line) öƽ շϿ κп ϴ
̴. ǰ ƴΰ ִ β ȭ ־ β κκ κ Ϲ
Ḧ 帣 ʴ Ʈ 2 ִ̻ 쿡 .
ҷν ̵ ҷ ؼ ܰ ϰ ϵȴ.
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1.µ
2.з
3.ӵ ʴ.
4. ð
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1.Ʈ κб ʹ .
2.µ .
3.Ʈ ġ
4.Ʈ,
5.ҷ.
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1.߿ ̳ ֹߺ ִ.
2. .
3. ȭ .
4.Ȱ .
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(Bubble) ǰ ο Ű ̴.
̴. ٷ κ Ǿ ϰ öƽ з
ۿ ʴ 쿡 Ѵ.
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1.з .
2. .
3.ð ª.
4.ӵ .
5.µ .
6.µ .
7.µ
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1.ҷ.
2.Cavity Design ҷ.
3.Ʈ ġ .
4.Ʈ, , .
5.ð.
6.µ .
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1. ũ.
2.߿ ̳ ֹߺ .
3.ῡ Ⱑ ȥ.
(縴 )
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ũũ κ ִ. þ.
ڴ κ ؼ ִ. 쿡 öƽ ȭǸ âѴ.
Ư ũ Ǹ Ѵ.
źȭ (Black Streak) öƽ κ ̴.
κп Ͼ° ܰ Ÿ. ϴ 'źȭ'
ִ.
Ǹ Ե ⸦ ȣ κκ ʰ ܿŰ Ѵ.
Ǹ Ϻ ᰡ ɷ ð ü ڿ ´.
, Ʈ ū Ƽ ߿Ѵ.
ϴ öƽ ؼ Ⱑ ް Ǹ Ѵ.
, Ʈκ 帣 źȭ Ѵ.
̹ Ǿ Ÿ.
쿡 ǰ , Ѵ.
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1. Ǹ üϿ
κ .
2. κҷ.
3.Ǹ ̳ ܿ.
4.ȣ ðҷ.
5.Ǹ µ .
6.з .
7.ӵ .
8. Ǹ
üð .
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1. ħ
2.Ʈ α
3.ҷ.
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1.Ȱ .
2.߿ ֹ
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ũ¡(Crazing) ũŷ(Cracking) ǰ ǥ鿡 Ϳ ū ͱ
տ ϴ ̴. ǰ ܼ ġϰ ̸ ܷ ʴµ Ѵ.
̰ ǰ ִ ܷ () ̴. ܷ Ű ϴ δ
, ұϼ, , ҷ ̴. ȭмп ˽Ű
źѰ(Ӱ躯) ϽŰ ʴ ũ(Crack) Ű ϵ ִ.
츦 ȭ Ʈ ũ(chemical stress crack)̶ θ ũ ϰ ִ.
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1.з .
2.µ Ϸ .
3. з ũ.
4.ð .
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1.Ʈ ʹ д.
2.µ .
3. ҷ.
4. ھ .
5.Cavity Design ҷ.
( , Ѵ.)
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1.Ҹ .
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Ǵ (Warpage) ǰ ̴ܷ. ũ¡
ο ؼ ġ ȭ Բ Ÿ ̴. Ϲ ũ,
ġ ұ β ðӵ κ ȭϴ ƿ,
ʷ Ư Ǵ . ǰ 鿡 ߿ϴ.
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1.з .
2. з ũ.
3.ð .
4. .
5.µ .
6.ӵ .
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1.ҷ.
2. .
3.ð ұ .
4.µ .
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1.Ҹ
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(Jetting) Ʈκ ó Ǿ ӵ
Ͽ ״ ð, ȭϿ ڿ üȭ ʰ 輱
̴.
̰ öƽ Ʈκ 鿡 浹Ű лŰ
ó Ʈ ġ ϰų, Ʈ ũ Ͽ ϽŰ ȿϴ.
Ư Ʈ δ ǰƮ ȿ Ѵ.
ҷ ַ ݼ Ϸν Ÿ 찡 . 밳 з ִ.
ܷ ϴ ǰ ̹漺
⼺ ðӵ ұϷκ , Ȥ ܷ¿ ܷ
ǰ ڳ κ κ
뼺() öƽ ȥ
ؿ ڷ ̴.
<۱ڨ 'öƽ̾' - .>
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