Work holding devices of lathe

there are different work holding devices of lathe in brief..

1. Work holding devices of lathe Name : Vedant D. Rajput Enrolment no.:150010119120 Subject : Manufacturing processes-1

2. What will I discuss?? Three jaw chuck and four jaw chuck Collet chuck and magnetic chuck Lathe centres Lathe dogs Mandrels Rests Face plate References

3. TYPES OF CHUCK Three jaw chuck 1.For holding cylindrical stock centered. 2.For facing/center drilling the end of your aluminum stock Four jaw chuck 1.This is independent chuck generally has four jaws , which are adjusted individually on the chuck face by means of adjusting screws

4. Collet chuck 1. Collet chuck is used to hold small workpieces Magnetic chuck 1.Thin jobs can be held by means of magnetic chucks

5. LATHE CENTRES Work to be turned between centers must have center hole drilled in each end. Provides bearing surface Support during cutting. Most common have solid Morse taper shank 60 º centers, steel with carbide tips. Care to adjust and lubricate occasionally.

6. LATHE DOGS LATHE DOGS ARE CAST METAL DEVICES USED TO PROVIE A FIRM CONNECTION BETWEEN THE HEADSTOCK SPINDLE AND THE W/P MOUNTED BETWEEN CENTRES.

7. MANDRELS MANDRELS IS USED TO HELD THE HOLLOW/DRILLED W/P .

8. RESTS LONG W/P NEED EXTRA SUPPORT THAT TEND TO SPRING AWAY FROM THE TOOL BIT. WE USE THE REST FOR PROVIDE SUPPORT.

9. FACE PLATES A LATHE FACE PLATE IS A FLAT ROUND PLATE THAT THREADS TO THE HEADSTOCK SPINDLE TO THE LATHE. THE FACEPLATE IS USED FOR IRREGULARLY SHAPED W/P THAT CANNOT SUCCESFULLY HELD BY CHUCKS.

10. REFERENCES Manufacturing processes-1 -by Dr. R.P. Arora Google images