Machine maintenance. Part 2

Machine maintenance

Part 2 deals with fitting a new part having been machine by a Fitter Turner.

Machine Repair and Reassembly Process

When dealing with a machine breakdown, it’s essential to follow a methodical approach to ensure a successful repair and reassembly. In this guide, we will walk through the steps of fixing a specific issue with the machine’s rise and fall mechanism due to a blocked grease nipple.

  1. Initial Assessment and Cause Identification: The machine suffered a breakdown over time, attributed to a lack of proper lubrication. The main culprit was a blocked grease nipple, preventing lubricant from reaching critical components, particularly a bearing responsible for the rise and fall mechanism.

  2. Disassembly: The first step in the repair process was to disassemble the machine. This involved removing the faulty components and identifying the specific part that needed attention.

  3. Component Examination: The grease nipple, situated above the bearing, had a channel to supply lubrication. The blockage of this channel led to the bearing’s inadequate lubrication, causing the malfunction over time.

  4. Cleaning and Preparation: Before proceeding with reassembly, all parts were meticulously cleaned to ensure no dirt or debris remained. This ensured a smooth and precise reassembly process.

  5. Bearing Maintenance: The bearing, which played a crucial role in the rise and fall mechanism, was examined for wear. Any wear and tear would necessitate replacement. However, upon inspection, the bearings were found to be in good condition, only requiring thorough cleaning to remove dust and grit.

  6. Reassembly: The reassembly began by placing the bearing into its designated position. A keyway prevented twisting and ensured proper alignment. The helical threaded rise and fall mechanism was then attached, facilitating the vertical movement of the machine.

  7. Locking Mechanism: A lock nut secured the bearing assembly in place. Careful tightening was essential, as over-tightening could lead to undue pressure on the bearing, potentially causing additional wear.

  8. Calibration: Calibrating the machine involved ensuring the rise and fall mechanism was level and parallel. This was achieved through a cylinder mechanism that engaged with a corresponding hole. Proper calibration guaranteed accurate woodworking.

  9. Table Rollers Adjustment: The table rollers, vital for smooth timber passage, were adjusted to ensure they were parallel and true. This process enhanced the precision of the machine’s output.

  10. Final Checks: After reassembling and calibrating the machine, a thorough inspection was conducted to confirm its functionality. Running a piece of timber through the machine would reveal any discrepancies or misalignments.

  11. Maintenance and Prevention: Maintenance was emphasized as a preventative measure to avoid future breakdowns. Regular maintenance, including lubrication and inspection, would extend the machine’s lifespan and maintain its accuracy.

In conclusion, repairing and reassembling machines require a systematic approach, attention to detail, and proper maintenance. A combination of mechanical understanding, precision, and dedication ensures that machines can be restored to optimal working conditions, providing accurate results for woodworking tasks. Remember, prevention through regular maintenance is key to avoiding unexpected breakdowns.


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