Hot end operations
Gob temperature
Temperature of the gob at delivery to the blank mould — typically 1080–1180 °C depending on glass colour and process. Variance ±5°C is acceptable; ±10°C+ degrades pack rate.
How Lean Glass works with this
In an audit or engagement.
This term appears across our hot-end audits, forming audits and Job Change Tool work. If you would like to discuss how it shows up in your plant, book a call — every engagement begins with an operational diagnostic, not a sales pitch.
Related terms
Read next.
Gob
A controlled drop of molten glass cut from the gathering and delivered to the IS machine for forming. Gob weight, temperature uniformity and shape are the foundational inputs to forming quality.
Forehearth
The conditioning channel between the working end and the IS machine that delivers thermally uniform glass at the gob delivery point. The most critical conditioning element.
30-minute call with a senior practitioner.
Bring a problem — leave with a direction.