Using thread-chasing dial

Reversing the machine

Marking the work holding device and lead screw

Pre-determined travel of the carriage

Chips getting clogged

Centre not aligned

Spotting at the centre not done

Feeding by tailstock hand wheel is too slow

The positioning of the taper turning attachment is not correct

The tool setting is not to the centre height

Play between the sliding units

Workpiece is not rigidly held

Boring tool springs its travel

Coolant is not applied with force

Tool set below centre

No secondary clearance ground on the front cutting edge

support the tool rigidly to avoid chatter during operation

support long shafts that are being threaded for their full length

support workpiece during facing large diameter workpieces with short length

support long workpiece held in chuck, to perform operations at the overhanging end