The LeadScrew is a long threaded shaft used as master screw. It is brought into operation during thread cutting to move the carriage to a calculated distance.
The LeadScrew is held by two bearings on the face of the bed. A gear is attached to the lead screw and it is called as gear on LeadScrew. A half nut lever is provided in the apron to engage half nuts with the LeadScrew.
|LeadScrew & Half Nut|
LeadScrew is used to move the carriage towards and away from the headstock during thread cutting. The direction of carriage movement depends upon the direction of rotation of the LeadScrew.When the LeadScrew is kept stationary, the half nuts are engaged with the LeadScrew to keep the carriage locked at the required position. Lathe Machine Manufacturers manufactures Lathe Machines with LeadScrew which helps the operator during Thread Cutting, which is the main and the only work which can be obtained for LeadScrew. Preet Lathe Manufactures machines either 4 TPI or 2 TPI and if required they customize as well.