Calculate mould dimension for sprue runner and in-gate, the material using fluorothermoplastic and using injection molding. Question: 1. explain the steps for making a mold 2. If possible, use a simulation of the position where the defect will occur 3. Calculate to make mold male and female, the shape is near net shape product and determine material for dies, the liquid materials is 167°C Guidelines Sprue Gate Guidelines L 50% W1 A1 2-3° W1 20- 100% of W2 R1 > 1.5 mm T2 75-100% T1 (part thickness) D1 125-400% T1 (part thickness) D1 100-300% T1 (part thickness) Part Thickness 1.6 mm R > 1 mm (0.040") % Shrinkage Parallel to Flow 4.0-4.5 % Shrinkage Perpendicular to Flow 4.3-4.8 T3 100-200 % (part thickness)
Calculate mould dimension for sprue runner and in-gate, the material using fluorothermoplastic and using injection molding. Question: 1. explain the steps for making a mold 2. If possible, use a simulation of the position where the defect will occur 3. Calculate to make mold male and female, the shape is near net shape product and determine material for dies, the liquid materials is 167°C Guidelines Sprue Gate Guidelines L 50% W1 A1 2-3° W1 20- 100% of W2 R1 > 1.5 mm T2 75-100% T1 (part thickness) D1 125-400% T1 (part thickness) D1 100-300% T1 (part thickness) Part Thickness 1.6 mm R > 1 mm (0.040") % Shrinkage Parallel to Flow 4.0-4.5 % Shrinkage Perpendicular to Flow 4.3-4.8 T3 100-200 % (part thickness)
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Transcribed Image Text:Calculate mould dimension for sprue runner and in-gate, the material using fluorothermoplastic
and using injection molding.
Question:
1. explain the steps for making a mold
2. If possible, use a simulation of the position where the defect will occur
3. Calculate to make mold male and female, the shape is near net shape product and
determine material for dies, the liquid materials is 167°C
Guidelines
Sprue Gate Guidelines
L
50% W1
A1
2-3°
W1
20- 100% of W2
R1
> 1.5 mm
T2
75-100% T1 (part thickness)
D1
125-400% T1 (part thickness)
D1
100-300% T1 (part thickness)
Part Thickness
1.6 mm
R
> 1 mm (0.040")
% Shrinkage Parallel to Flow
4.0-4.5
% Shrinkage Perpendicular to Flow 4.3-4.8
T3
100-200 % (part thickness)
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