Lathe machine | Operation and Maintenance of Lathe Machine

Lathe machine operations , maintenance and tools.

Conventional Lathe Machine Error

Head Stock Breakdown

1. Chuck is getting low speed during more cutting feed.
2. Gear shifting problem-Low/High Rpm.
3. Rpm selection problem.
4. Chuck not rotating in Forward/Reverse direction.
5. Chuck Breaking problem.

Chuck Breakdown

1. Jaw jamming.
2. Screw replacement.
3. Chuck rotation not uniform.
4. Chuck vibration.
5.  

Other Breakdowns

• Feed not working.
• Tool Post Vibration.
• Rapid Movement fails of Carriage Gear Box.
• Tail Stock Barrel Jammed.
• Turning is not unform.
• Thread cutting Problem.
• Coolant not coming.
• Abnormal sound from Pully .
• Cross movement of toolpost jammed.
• Rapid movement of Carriage Gear box jammed.
• Tool post jammed.
• Chuck/Spindle Brake failure.
• Chuck jamming.
• Jaw jamming.
• Abnormal sound from Steady rest.
• Head stock heating.
• Proper feed not getting for turning or facing.
• Proper pitch not getting for thread cutting.
• Proper Speed not Achieving by Chuck.
• Taper in Turning .
• Chattering in turning.
• Lubrication problem in head stock.
• Lubriction problem in bed.
• Taper Wadge wear and tear.
• Box Nut Damaged.
• Feed Bush Damaged.

1. Chuck is getting low speed during more cutting feed.
   •  Cause no-1– Clautch not taking load.

                Electro magnetic   

         -Check the telescopic brush /Power supply point which is used to provide power supply to clutch .  – If the brush is ok /power supply to clautch is ok then check the clautch plate.

–Check the Gap Setting.

– Check  Clautch plate coating layer/Groove  is damaged then replace it.

           Mechanical clautch

        -If clautch is mechanical  then do the proper gap setting.

       – If the problem not solved then check the clautch plate.

         -If the groove of clautch plate is wear and tear then replaced it.

Cause no-2- Belt Loose./Pully problem.

     -Check the belt whether it loose or damaged.Check the  shaft key of Pully.If damaged then replaced.

– If damaged then replaced .If  loose then then adjust the tightness.

-If cnc Machine then Check the Motor /Check the reference voltage to Motor drive.

• Cause no- 3- Motor Fault-

Repaire the motor /If CNC then check Motor Drive.

• Cause no 4-Gear Box Problem-

Check the gear box if any bearing damaged.