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SOP for Preventive Maintenance for Double Rotary Tableting Machine

OBJECTIVE
  • To reduce down time.
  • To minimize breakdown time and maintenance costs of equipments to obtain optimum performance.

SCOPE
To cover
  • General Maintenance for long interval yearly/monthly, weekly/daily and short intervals, lubrication, safety and precautions for Compression Machines.
  • Feeder maintenance and installation for Compression Machines.

RESPONSIBILITY
Maintenance Personnel: To perform the checks and adjustment/ servicing, installation.
Operator: To perform checks, take precautions and report any anomalies to maintenance personnel i.e. abnormal noise, abnormal heating of motor leakage of pump, discharge of pump.

PROCEDURES FOR SAFETY AND PRECAUTIONS
Upper cam track lighting side
  • Always make sure it has a bright polished surface on the portion of the tracks which comes in contact with the underside of upper punch heads.
  • Always make certain that upper punches are running free in the turret guide holes.
  • Always maintain that 30° angle is fairly well maintained.

Upper cam track lowering side
  • Always to have a bright polished surface on the portion of the track that comes in contact with the underside of the upper punch heads.
  • Ensure smooth free running of punches in turret guide holes.


Upper and lower pressure roll
  • The peripheral face should always be perfectly flat and smooth.
  • Always ensure correct type of lubrication is used.
  • Always use punches with correct punch heads.

Cam Ring
  • Always make certain it shows a polished surface.
  • Always ensure that the chafer is well lubricated with correct type of lubricate.
  • Ensure that upper punches are free.
  • Clean up – and eliminate cause of wear.

Top face of lower ejection cam
  • Ensure that punches a free in die holes.
  • Ensure correct lubrication and correct lubricate at all times.
  • Clean out wear marks by grinding and re-polishing.
  • Do not reduce the thickness of the cam by even a small amount of cm inch/mm and when cleaning out wear marks.

REVISION HISTORY
Nil

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