Thank you for this informative article! Raji January 10, Its very useful for learners and easily understandable. Name required. Email will not be published required. Precision turning of previously rough-turned workpiece. In many cases, replace a high class grinding machine because of its fine dimensional accuracy. In this, the carriage is driven by a separate motor, independent of the main spindle. It carries no tailstock. In this, two carriages are provided, one on each end.
Also, two tool heads are provided. This enables machining of two jobs simultaneously. It carries a vertical column, on which are fitted the cross slide and vertical slide. A heavy base at the bottom carries a face plate to hold the jobs. It is used for turning and boring very large and heavy rotating parts which cannot be otherwise supported on other types of lathes. These machines are specifically employed for jobs like heavy flywheels and large gear blanks etc.
It carries all the attachments, like taper turning and threading, etc. In addition, a number of rests supports for the shafts. It is used for turning very long parts such as turbine and engine shafts and crankshafts. It distinguishes itself by its bed which is made inclined towards the rear for ensuring an efficient chip removal.
Its special design makes it suitable for mass production of cylindrical parts. Its use increases the rate of production of such items. It is not very suitable for repair work. It carries a special tracer attachment connected to the carriage, which moves along a template and guides the carriage. It is used for mass production of identical parts where either a previously machined part works as a template or a separate template is prepared and used for this purpose.
It is used for mass production of screwed parts. Especially suitable for precision screw work. There are many types of lathe and which one you need will depend on the material you are shaping and your specific requirements. For those who are looking to clarify the differences of lathe machines, look no further. This guide will take you through the different types of lathes available.
Used primarily for woodturning, metal spinning and polishing, a speed lathe is a high-speed spindle used to make everything from bowls and baseball bats to furniture parts. Speed lathes are simpler than other lathes and consist of a headstock, tailstock, and tool turret. If you are looking for something to meet your metalworking needs such as boring, drilling and reaming then an engine lathe could be perfect for you. Engine lathes are ideal for manufacturers operating with a range of metals.
Capstan and turret lathes are used for high volume duplicated parts. In place of a tailstock, which you would find on an engine lathe, turret lathes have a hexagonal turret mounted on the saddle. Multiple tools can be fitted on this hexagonal turret enabling them to carry out several operations in sequence. By carrying out several operations on a workpiece, you can mass produce interchangeable parts with one machine. Carrying out several operations with the same machine reduces error and saves time.
It is used to machine the end faces of bulky cylindrical projects. Frontal lathe — these types of machine tools contains two carriages, one on each end. Two tool head are also provided, which allows machining of two jobs simultaneously. It is suitably use in machining smaller jobs. Vertical lathe — this special lathe carries a vertical column, which the cross slide and vertical slide are fitted to it. It is used for boring and turning very large and heavy rotating parts like flywheel and large gear blanks.
Crankshaft lathe — the crankshaft lathe carries all feature like other common lathes like taper turning, threading etc. It is used for turning very long parts such as crankshaft, turbine and engine shafts. Production lathe — in this lathe machine types, the bed is made to be inclined towards the rear. This feature ensures maximum chip removal making operation faster on heavy works. It is specially design for mass production of cylindrical parts and it increases the rate of production.
But it is not very suitable for repair work. Duplicate lathe — the duplicate lathe features a tracer connected to the carriage, which moves along a template and guides the carriage.
It is used for mass production of identical parts where the previously machine part is use as sample. Screw cutting lathe — these types of lathe machine is automatic for screw cutting, operated through cams and cam plates.
It is used for mass production of screwed parts. Mostly applied for precision screw work. The classification of lathes cannot be given form the comprehensive outlines given. But different types of lathe machine can be classified according to the type of drive they carry, sizes, gap between the center to the bed height etc. Lathe with a step cone pulley drive and the back-gears for various speeds effect on the machine — Machines like this use a countershaft which carries a similar cone pulley to the one on the lathe spindle.
The pulley carries two clutch pulleys connected to the main shaft through belts. One of the pulley carries an open belt and the other with a close belt. Due to this arrangement of belts, the machine spindle can rotate at opposite directions. Lathe with a step-cone pulley drive and back-gears, but with individual motor drive — well the elimination of main shaft takes place. In machines like this, the countershaft is located within the machine and it contains a stepped cone pulley.
Using V belts, another pulley is provided at the end of the shaft to the motor pulley. The drive is transfer from the motor to the countershaft then to the machine spindle.
Lathes with a single pulley constant speed or geared-head drive — in this type, V belts is use to drive a single pulley from the motor to the internal mechanism pack in the headstock. It is designed to have various speed gears inside and enables a wide range of speeds to the spindle. If so, you can freely give your point in our comment section and please share with other students. Tags lathe machine shaper machine.
I simply had to appreciate you once more. I am not sure the things I might have achieved in the absence of those aspects shown by you concerning that subject.
0コメント