流道尺寸设计
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Runner Sizing (1)
D
W L 3.7
4
D : 流道直徑 ( mm ) runner diameter in mm W : 下游塑膠重量 ( g ) downstream plastic weight L : 流道長度 ( mm ) runner length in mm
OLE Technology Corporation
OLE Technology Corporation
A A1 A2 A3 A4 A5 A6
2
and
A2 A3 A4 A5
160 4 H 2 A1 R 0.349 H 2 360 9 2
A2
W H 2
2
0.088 H H 2
流道尺寸設計(2)
Runner Sizing (2)
OLE Technology Corporation
流道尺寸設計(3)
Runner Sizing (3)
W1 4 L1 D1 3.7 L1 30 mm 10 2 2 W1 0.9 g / cm3 0.2 cm cm 4 14 .14 g D1 2.38 ~ 3 mm
AT AR 0.945 0.785 20 .38 % AR 0.785
OLE Technology Corporation
換言之,改良型梯形流道所使用的材料比圓形流道的材料 多了20.38%。 In other words,modified trapezoidal runner uses 20.38% more material than full-round runner does.
OLE Technology Corporation
OLE Technology Corporation
H/2 (L)
H L cos10 2 S S H S 0.508 H 2 cos10
W sin10 S W sin10 S sin10 0.508 H 0.088 H
OLE Technology Corporation
4 A 4 0.945 H DH H P 3.780 H
2
H1 D1 2.38 3mm H 2 D2 4.33 5mm
OLE Technology Corporation
比較圓形流道截面積(AR)與改良型梯形流道截面積(AT)。 假設圓形流道的直徑與改良型梯形流道的高度相等。 Comparing the cross-sectional area of full-round runner(AR) and the one of modified trapezoidal (AT),when the diameter of the round runner and the height of the trapezoidal runner are the same. D 2 AR 0.785 D 2 4 AT 0.945 H 2 0.945 D 2
OLE Technology Corporation
P Arc1 4W S
160 Arc1 2 R 1.396 H 360
W S 0.088 H 0.508 H 0.596 H
P 1.396 H 4 0.596 H 3.780 H
OLE Technology Corporation
流道尺寸設計(4)
Runner Sizing (4)
W2 4 L2 D2 3 .7 L2 80 mm 0.3 2 2 3 W2 W1 0.9 g / cm 3cm cm 2 4 14 .14 g 0.19 g 2 28 .66 g D2 4.33 ~ 5 mm
2 0.022 H 2
4 A2 4 0.022 H 2 0.088 H 2
H H A6 2S 20.508 H 0.508 H 2 2 2
Байду номын сангаас
0.349 0.088 0.508 H 2 0.945 H 2 A A1 4 A2 A6
塑膠射出成型問題和模具的關係
Mold Related Plastic Injection Molding Problems
徐 昌 煜
Charles Hsu
歐磊科技股份有限公司 OLE Technology Corporation
OLE Technology Corporation
流道尺寸設計 (1)
D
W L 3.7
4
D : 流道直徑 ( mm ) runner diameter in mm W : 下游塑膠重量 ( g ) downstream plastic weight L : 流道長度 ( mm ) runner length in mm
OLE Technology Corporation
OLE Technology Corporation
A A1 A2 A3 A4 A5 A6
2
and
A2 A3 A4 A5
160 4 H 2 A1 R 0.349 H 2 360 9 2
A2
W H 2
2
0.088 H H 2
流道尺寸設計(2)
Runner Sizing (2)
OLE Technology Corporation
流道尺寸設計(3)
Runner Sizing (3)
W1 4 L1 D1 3.7 L1 30 mm 10 2 2 W1 0.9 g / cm3 0.2 cm cm 4 14 .14 g D1 2.38 ~ 3 mm
AT AR 0.945 0.785 20 .38 % AR 0.785
OLE Technology Corporation
換言之,改良型梯形流道所使用的材料比圓形流道的材料 多了20.38%。 In other words,modified trapezoidal runner uses 20.38% more material than full-round runner does.
OLE Technology Corporation
OLE Technology Corporation
H/2 (L)
H L cos10 2 S S H S 0.508 H 2 cos10
W sin10 S W sin10 S sin10 0.508 H 0.088 H
OLE Technology Corporation
4 A 4 0.945 H DH H P 3.780 H
2
H1 D1 2.38 3mm H 2 D2 4.33 5mm
OLE Technology Corporation
比較圓形流道截面積(AR)與改良型梯形流道截面積(AT)。 假設圓形流道的直徑與改良型梯形流道的高度相等。 Comparing the cross-sectional area of full-round runner(AR) and the one of modified trapezoidal (AT),when the diameter of the round runner and the height of the trapezoidal runner are the same. D 2 AR 0.785 D 2 4 AT 0.945 H 2 0.945 D 2
OLE Technology Corporation
P Arc1 4W S
160 Arc1 2 R 1.396 H 360
W S 0.088 H 0.508 H 0.596 H
P 1.396 H 4 0.596 H 3.780 H
OLE Technology Corporation
流道尺寸設計(4)
Runner Sizing (4)
W2 4 L2 D2 3 .7 L2 80 mm 0.3 2 2 3 W2 W1 0.9 g / cm 3cm cm 2 4 14 .14 g 0.19 g 2 28 .66 g D2 4.33 ~ 5 mm
2 0.022 H 2
4 A2 4 0.022 H 2 0.088 H 2
H H A6 2S 20.508 H 0.508 H 2 2 2
Байду номын сангаас
0.349 0.088 0.508 H 2 0.945 H 2 A A1 4 A2 A6
塑膠射出成型問題和模具的關係
Mold Related Plastic Injection Molding Problems
徐 昌 煜
Charles Hsu
歐磊科技股份有限公司 OLE Technology Corporation
OLE Technology Corporation
流道尺寸設計 (1)