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mold trial in Common issues and solution method
Date: 2019-11-20 09:49
Views: 2334
Source: Internet
| mold trial in Common issues | solution methods |
| 主浇道 viscous film |
1, light 主浇道 2, nozzle and mold in heavy combined 3, reduce mold temperature degree 4, shrink short injection time 5, increase cooling time 6, nozzle add hot 圈 7, light mold surface 8, 检查材 material is 否污染 |
| 塑 parts demolding difficult |
1, reduce injection pressure 2, shrink short injection time 3, increase cooling time 4, reduce mold temperature degree 5, light mold surface 6, increase large demolding degree 7, decrease small block 处间隙 |
| dimensional stability 差 |
1, material temperature degree 2, increase injection time 3, increase large injection pressure 4, screw back pressure 5, rise high mold temperature degree 6, reduce mold temperature degree 7, adjustment material amount 8, decrease small material ratio/proportion |
| surface 波纹 |
1, adjustment material amount 2, rise high mold temperature degree 3, increase injection time 4, increase large injection pressure 5, improve/increase material material temperature degree 6, increase large injection speed degree 7, increase and gate dimensions |
| 塑 parts warpage and deformation |
1, reduce mold 2, reduce material material temperature degree 3, increase cooling time 4, reduce injection speed degree 5, reduce injection pressure 6, increase screw back pressure 7, shrink short injection time |
| 塑 parts delamination |
1, plastics types type and grade 别 2, 检查材 material is 否污染 3, rise high mold temperature degree 4, material material drying 处理 5, improve/increase material material temperature degree 6, reduce injection speed degree 7, shrink short gate long degree 8, decrease small injection pressure 9, gate 位置 10, using/adopting large nozzle |
| silver streaks 斑纹浇道 mold sticking |
1, reduce material material temperature degree 2, material material drying 处理 3, increase large injection pressure 4, increase large gate dimensions 5, plastics types type and grade 别 6, plastics is 否污染 |
| surface gloss 差 |
1, material material drying 处理 2, 检查材 material is 否污染 3, improve/increase material material temperature degree 4, increase large injection pressure 5, rise high mold temperature degree 6, light mold surface 7, increase large and gate dimensions |
| 凹痕 |
1, adjustment material amount 2, increase large injection pressure 3, increase injection time 4, reduce material material speed degree 5, reduce mold temperature degree 6, increase gas 孔 7, increase large and gate dimensions 8, shrink short long degree 9, gate 位置 10, reduce injection pressure 11, increase large screw back pressure |
| bubbles |
1, material material drying 处理 2, reduce material material temperature degree 3, increase large injection pressure 4, increase injection time 5, rise high mold temperature degree 6, reduce injection speed degree 7, increase large screw back pressure |
