Bottom & Finish Inspection

Bottom & Finish Inspection

Inspection Systems

BMF-5C Bottom and mouth rim inspection system

For the inspection of:

  • containers made of clear glass and coloured glass
  • round articles and moulded articles

with an inspection speed of up to 350 containers per minute



  • Detection of all known defect types in the bottom using the transmitted light method
  • Detection of stress defects in the bottom using polarised light
  • Detection of defects in round cams, engravings or other design elements with a special evaluation algorithm
  • Detection of defects in the container mouth rim
  • Reading of mould numbers in every rotation position
  • Inspection for bird swings

Optical features:

  • The full version includes 5 test stations for bottom, bottom stress, mould number and 2x mouth rim
  • Image recording with industrial CCD cameras, 1 to 5 cameras are used according to customer requirements
  • High light output, low energy consumption, long lifetime and best optical conditions due to LED flash illumination

Inspections characteristics:

  • Inspection in a lifter with side wall conveyor belts
  • Minimum detectable defect size on case of bottom defects down to 0.2 mm depending on article condition
  • Mouth rim inspection at bottles, wide-neck jars and all other common container glasses
  • Inspection independent from changing light conditions and glass colours
  • The rejection of the NOK parts is controlled by an encoder

Operation and evaluation:

  • Several testing zones with different sensitivities and thresholds for the OK-NOK-determination can be set at the container
  • All inspection parameters can be changed during running automatic mode
    Observation adapted to the mouth rim diameter
  • Mould number tracking across several machines and a random number of mould numbers can be set as rejectable
  • Multiple statistic evaluations available, also mould number related

On-site installation, operation, service:

  • Simple connection to an existing conveying belt
  • Supply also with own conveying belt and discharge unit
  • Connection to different line control systems and different data acquisition systems possible
  • Self-test functions are installed
  • Image evaluation with commercially available hardware

Technical data:

  • Individual doors design for an adaptation to the space conditions (swing doors, horizontal sliding doors, vertical sliding doors)
  • Machine dimensions: 1,900 x 1,050 x 1,900 mm (W x D x H)

  • Hollow Glass    


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