Knurling

Undercutting by plunging

Thread cutting

Parting off

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

Boring tool springs its travel

Coolant is not applied with force

Tool set below centre

No secondary clearance ground on the front cutting edge

The angle of chamfering is not correct

The chamfering tool not set square to the work axis

The work face not running true

The overhang of the tool is too much