One of the best known and most widely used processes in the production of hollow glass containers is the PB process and in particular the NNPB process.
The key NNPB process component is the plunger, which is responsible for forming the cavity and controlling the temperature as well as distributing the glass within the parison
The current NNPB plunger is subject to high rates of wear and tear and is directly responsible for product defects, thermal instability and limits the speed of the process.
The NNPB production cycle has a considerable impact in terms of wear not only on the plunger but also on the neck ring and its guide ring as they are heavily stressed.
The inner surface of the mold is also subject to wear and tear due to thermal variations and constant contact with the glass; the constant maintenance, which takes place through cleaning and polishing processes performed by a variety of methods, causes the volume of the mold itself to increase with consequent problems related to the increase in the amount of glass required to produce the same item
Thus, controls to monitor the wear status of the various components in order to assess their wear and tear and prevent the production of defective bottles become necessary
Luben Glass manufactures two machines, the Galaxy for neck ring and plunger and the LMS V1 for mold volume control, which allow efficient and precise automatic control of the three components analyzed above.
The two machines, an example of technology and automation, represent the flagship of the products Luben Glass uses for dimensional inspection of mechanical components
Luben Glass
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