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Glass bottle bottleneck defects
by：Lisson
2020-11-11
Bottleneck defects
( 1) Bottleneck bending ( A little) 。 Starting from the neck to the bottle mouth askew. Is expected to drop temperature too high.
the mouth is too hot.
transfer center is not straight.
is blowing QiTou uneven or deviating from the forming die center.
are blowing time too short or pressure was not enough.
bottle clamp is different from forming die heart.
bottle clamp is not horizontal or clamp bottle out of the mould is too fierce.
the molding die is too hot or molding die open instability.
（ 2) The bottleneck in the burr. The bottleneck and the bottle have sharp glass burr commissure.
is expected to drop temperature too high.
improper material shape control.
mouth type and early model mismatch.
at the beginning of die or mould putty mouth too much, at the beginning of mold close approach is lax.
mouth mould and mould wear too early.
( 1) Bottleneck bending ( A little) 。 Starting from the neck to the bottle mouth askew. Is expected to drop temperature too high.
the mouth is too hot.
transfer center is not straight.
is blowing QiTou uneven or deviating from the forming die center.
are blowing time too short or pressure was not enough.
bottle clamp is different from forming die heart.
bottle clamp is not horizontal or clamp bottle out of the mould is too fierce.
the molding die is too hot or molding die open instability.
（ 2) The bottleneck in the burr. The bottleneck and the bottle have sharp glass burr commissure.
is expected to drop temperature too high.
improper material shape control.
mouth type and early model mismatch.
at the beginning of die or mould putty mouth too much, at the beginning of mold close approach is lax.
mouth mould and mould wear too early.
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