Quality Control Process
PPC (PLUNGER PROCESS CONTROL)
With the PPC control system, continuous measurement of the product weight on the hot side is ensured, and fluctuations which is out of specification in the product weights can be prevented by receiving the feedback from the measurements with the machine adaptation.
In infrared camera technology, with the help of infrared rays, the temperature distribution of the products examined, and the wall thickness distribution and some defects are controlled. Thus, rapid first intervention can be made when necessary by providing process control in the early stages of production.
At the exit point of the annealing furnace, defects are detected hourly with samples, the results are recorded, and necessary corrections are applied. According to the technical drawing and product specifications, height, diameter, finish diameter are measured, and cosmetic defects are examined.
CONTROLS WITH AUTOMATIC QUALITY CONTROL MACHINES
Dimensional defects and visual defects that can be seen from the side surface and finish, base defect, and sealing controls are applied to all products by fully automatic machines. Products that do not comply with the specifications are automatically rejected by quality control machines and evaluated as cullet for reuse.
To ensure the values promised by GCA in glass packaging production specifications, the following tests are carried out in the laboratory with state-of-the-art tools at appropriate frequencies:
- Finish hot coating measurement,
- Body hot coating measurement,
- cold coating slip angle,
- Raw material moisture determinations,
- Weight and volume measurements of products,
- Impact strength tests,
- Tension test,
- Wall thickness measurements,
- Raw material grain size analysis,
- glass colour analysis,
- Glass density analysis,
- thermal shock test,
- Blister count
- Height measurement
- Internal pressure test (for carbonated products)