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Mengapakah terdapat kaca pembesar di bahagian bawah botol?
1. Too much material at the bottom of the bottle 2. The pre-blowing time is…
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Bagaimana jika botol ditiup tidak sekata?
1. Pre-blowing time is too early 2. Pre-blowing pressure is too high 3. Pre-blowing flow…
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Bagaimana untuk menyesuaikan kedutan dalam botol?
1. The temperature here is too high 2. The pre-blowing time is too late 3….
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Kenapa botol separa keputihan?
1. Excessive stretching 2. The temperature here is low 3. The pre-blowing time is too…
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Bagaimana untuk melaraskan kesipian bahagian bawah botol?
1. Check the gap between the stretch rod and the bottom mold, and verify it…
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Nisbah regangan botol
Axial stretch ratio: 2.4~2.6 Radial stretch ratio: 4~4.5 Total stretch ratio = axial x radial = 8~12…