a commonly used example of a lathe is an apple peeler
TRANSCRIPT
INTRODUCTION
A bench lathe is a material reduction machine built into a bench or worktable. A lathe takes a solid block of a material and reduces it to create a symmetrical item. Using a bench lathe, you can cut, knurl, drill, or sand material down to create a new object. The lathe is designed to hold the block at two points and spin it while allow the user to reduce the material to the new shape
Lathes are used in woodturning, metalworking, metal spinning, and glass working. The material is held in place by either one or two centers, at least one of which can be moved horizontally to accommodate varying material lengths.
Fig: bench lathe
DESCRIPTION
Parts
A lathe may or may not have a stand (or legs), which sits on the floor and elevates the lathe bed to a working height. Some lathes are small and sit on a workbench or table, and do not have a stand.
Almost all lathes have a "bed", which is (almost always) a horizontal beam (although some CNC lathes have a vertical beam for a bed to ensure that swarf, or chips, falls free of the bed).
Fig: Parts of a lathe
At one end of the bed (almost always the left, as the operator faces the lathe) is a "headstock". The headstock contains high-precision spinning bearings.
Fig: headstock
Rotating within the bearings is a horizontal axle, with an axis parallel to the bed, called the "spindle". Spindles are often hollow, and have exterior threads and/or an interior Morse taper on the "inboard" (i.e., facing to the right / towards the bed) by which accessories which hold the work piece may be mounted to the spindle. Spindles may also have exterior threads and/or an interior taper at their "outboard" (i.e., facing away from the bed) end, and/or may have a hand wheel or other accessory mechanism on their outboard end. Spindles are powered, and impart motion to the work piece.
The spindle is driven in modern lathes this power source is an integral electric motor, often either in the headstock, to the left of the headstock, or beneath the headstock, concealed in the stand.
The counterpoint to the headstock is the tailstock, sometimes referred to as the loose head, as it can be positioned at any convenient point on the bed, by undoing a locking nut, sliding it to the required area, and then relocking it. The tailstock contains a barrel which does not rotate, but can slide in and out parallel to the axis of the bed, and directly in line with the headstock spindle. The barrel is hollow, and usually contains a taper to facilitate the gripping of various type of tooling.
Fig: tailstock
Metalworking lathes have a "cross slide", which is a flat piece that sits crosswise on the bed, and can be cranked at right angles to the bed. Sitting atop the cross slide is a tool post, which holds a cutting tool which removes material from the work piece. There may or may not be a lead screw, which moves the cross slide along the bed.
ACCESSORIES
Unless a work piece has a taper machined onto it which perfectly matches the internal taper in the spindle, or has threads which perfectly match the external threads on the spindle (two things which almost never happen), an accessory must be used to mount a work piece to the spindle.
A work piece may be bolted or screwed to a faceplate, a large flat disk that mounts to the spindle. Alternatively faceplate dogs may be used to secure the work to the faceplate.
A work piece may be clamped in a three- or four-jaw chuck, which mounts directly to the spindle or mounted on a mandrel.
A soft work piece (wooden) may be pinched between centers by using a spur drive at the headstock, which bites into the wood and imparts torque to it.
Fig: Live center (top) Dead center (bottom)
In precision work (and in some classes of repetition work), cylindrical work pieces are invariably held in a collet inserted into the spindle and secured either by a drawbar, or by a collet closing cap on the spindle.
CALCULATION:
Maximum Speed:Here, n=1450 rpm.nmax=1450*0.985*(142/254)*(56/34)*(38/38)*(65/43)=2000 rpm.
Minimum Speed:Here, n=1450 rpm. nmin =1450*0.985*(142/254)*(51/39)*(21/55)*(22/88)*(22/88)*(27/54)=12.459 rpm.
CONCLUSION:
So in this way we can calculate the maximum & minimum speed of Engine lathe by using Kinematic diagram. We saw the gear box of Engine lathe & our teacher helped us to understand the kinematic diagram.
EXPERIMENT NO-01 COURSE NO- IPE-414 GROUP-B
NAME OF THE EXPERIMENT STUDY OF DIFFERENT COMPONENETS OF A LATHE MACHINE.
DATE OF PERFORMANCE
18.06.2009
DATE OF SUBMISSION
20.06.2009
NAME: RAJIB DEBNATH
REG NO- 2003334054
4TH YEAR 1ST SEMESTER
DEPARTMENT INDUSTRIAL AND PRODUCTION ENGINEERING
SUST, SYLHET
EXPERIMENT NO-03 COURSE NO- IPE-414 GROUP-B
NAME OF THE EXPERIMENT: STUDY OF DIFFERENT PULLEY SYSTEM OF A BENCH DRILLING MACHINE.
DATE OF PERFORMANCE
20.06.2009
DATE OF SUBMISSION
25.06.2009
NAME: MD. RAHMAN RAHED
REG NO- 2003334042
4TH YEAR 1ST SEMESTER
DEPARTMENT INDUSTRIAL AND PRODUCTION ENGINEERING
SUST, SYLHET
EXPERIMENT NO-03 COURSE NO- IPE-414 GROUP-B
NAME OF THE EXPERIMENT: STUDY OF DIFFERENT PULLEY SYSTEM OF A BENCH DRILLING MACHINE.
DATE OF PERFORMANCE
20.06.2009
DATE OF SUBMISSION
25.06.2009
NAME: MD. RAHMAN RAHED
REG NO- 2003334042
4TH YEAR 1ST SEMESTER
DEPARTMENT INDUSTRIAL AND PRODUCTION ENGINEERING
SUST, SYLHET
EXPERIMENT NO-03 COURSE NO- IPE-414 GROUP-B
NAME OF THE EXPERIMENT: STUDY OF DIFFERENT PULLEY SYSTEM OF A BENCH DRILLING MACHINE.
DATE OF PERFORMANCE
20.06.2009
DATE OF SUBMISSION
25.06.2009
NAME: MD. RAHMAN RAHED
REG NO- 2003334042
4TH YEAR 1ST SEMESTER
DEPARTMENT INDUSTRIAL AND PRODUCTION ENGINEERING
SUST, SYLHET
EXPERIMENT NO-03 COURSE NO- IPE-414 GROUP-B
NAME OF THE EXPERIMENT: STUDY OF DIFFERENT PULLEY SYSTEM OF A BENCH DRILLING MACHINE.
DATE OF PERFORMANCE
20.06.2009
DATE OF SUBMISSION
25.06.2009
NAME: MD. RAHMAN RAHED
REG NO- 2003334042
4TH YEAR 1ST SEMESTER
DEPARTMENT INDUSTRIAL AND PRODUCTION ENGINEERING
SUST, SYLHET
EXPERIMENT NO-03 COURSE NO- IPE-414 GROUP-B
NAME OF THE EXPERIMENT: STUDY OF DIFFERENT PULLEY SYSTEM OF A BENCH DRILLING MACHINE.
DATE OF PERFORMANCE
20.06.2009
DATE OF SUBMISSION
25.06.2009
NAME: MD. RAHMAN RAHED
REG NO- 2003334042
4TH YEAR 1ST SEMESTER
DEPARTMENT INDUSTRIAL AND PRODUCTION ENGINEERING
SUST, SYLHET
EXPERIMENT NO-03 COURSE NO- IPE-414 GROUP-B
NAME OF THE EXPERIMENT: STUDY OF DIFFERENT PULLEY SYSTEM OF A BENCH DRILLING MACHINE.
DATE OF PERFORMANCE
20.06.2009
DATE OF SUBMISSION
25.06.2009
NAME: MD. RAHMAN RAHED
REG NO- 2003334042
4TH YEAR 1ST SEMESTER
DEPARTMENT INDUSTRIAL AND PRODUCTION ENGINEERING
SUST, SYLHET
EXPERIMENT NO-03 COURSE NO- IPE-414 GROUP-B
NAME OF THE EXPERIMENT: STUDY OF DIFFERENT PULLEY SYSTEM OF A BENCH DRILLING MACHINE.
DATE OF PERFORMANCE
20.06.2009
DATE OF SUBMISSION
25.06.2009
NAME: MD. RAHMAN RAHED
REG NO- 2003334042
4TH YEAR 1ST SEMESTER
DEPARTMENT INDUSTRIAL AND PRODUCTION ENGINEERING
SUST, SYLHET
EXPERIMENT NO-03 COURSE NO- IPE-414 GROUP-B
NAME OF THE EXPERIMENT: STUDY OF DIFFERENT PULLEY SYSTEM OF A BENCH DRILLING MACHINE.
DATE OF PERFORMANCE
20.06.2009
DATE OF SUBMISSION
25.06.2009
NAME: MD. RAHMAN RAHED
REG NO- 2003334042
4TH YEAR 1ST SEMESTER
DEPARTMENT INDUSTRIAL AND PRODUCTION ENGINEERING
SUST, SYLHET
EXPERIMENT NO-03 COURSE NO- IPE-414 GROUP-B
NAME OF THE EXPERIMENT: STUDY OF DIFFERENT PULLEY SYSTEM OF A BENCH DRILLING MACHINE.
DATE OF PERFORMANCE
20.06.2009
DATE OF SUBMISSION
25.06.2009
NAME: MD. RAHMAN RAHED
REG NO- 2003334042
4TH YEAR 1ST SEMESTER
DEPARTMENT INDUSTRIAL AND PRODUCTION ENGINEERING
SUST, SYLHET
EXPERIMENT NO-03 COURSE NO- IPE-414 GROUP-B
NAME OF THE EXPERIMENT: STUDY OF DIFFERENT PULLEY SYSTEM OF A BENCH DRILLING MACHINE.
DATE OF PERFORMANCE
20.06.2009
DATE OF SUBMISSION
25.06.2009
NAME: MD. RAHMAN RAHED
REG NO- 2003334042
4TH YEAR 1ST SEMESTER
DEPARTMENT INDUSTRIAL AND PRODUCTION ENGINEERING
SUST, SYLHET
EXPERIMENT NO-03 COURSE NO- IPE-414 GROUP-B
NAME OF THE EXPERIMENT: STUDY OF DIFFERENT PULLEY SYSTEM OF A BENCH DRILLING MACHINE.
DATE OF PERFORMANCE
20.06.2009
DATE OF SUBMISSION
25.06.2009
NAME: MD. RAHMAN RAHED
REG NO- 2003334042
4TH YEAR 1ST SEMESTER
DEPARTMENT INDUSTRIAL AND PRODUCTION ENGINEERING
SUST, SYLHET
EXPERIMENT NO-03 COURSE NO- IPE-414 GROUP-B
NAME OF THE EXPERIMENT: STUDY OF DIFFERENT PULLEY SYSTEM OF A BENCH DRILLING MACHINE.
DATE OF PERFORMANCE
20.06.2009
DATE OF SUBMISSION
25.06.2009
NAME: MD. RAHMAN RAHED
REG NO- 2003334042
4TH YEAR 1ST SEMESTER
DEPARTMENT INDUSTRIAL AND PRODUCTION ENGINEERING
SUST, SYLHET
EXPERIMENT NO-03 COURSE NO- IPE-414 GROUP-B
NAME OF THE EXPERIMENT: STUDY OF DIFFERENT PULLEY SYSTEM OF A BENCH DRILLING MACHINE.
DATE OF PERFORMANCE
20.06.2009
DATE OF SUBMISSION
25.06.2009
NAME: MD. RAHMAN RAHED
REG NO- 2003334042
4TH YEAR 1ST SEMESTER
DEPARTMENT INDUSTRIAL AND PRODUCTION ENGINEERING
SUST, SYLHET
EXPERIMENT NO-03 COURSE NO- IPE-414 GROUP-B
NAME OF THE EXPERIMENT: STUDY OF DIFFERENT PULLEY SYSTEM OF A BENCH DRILLING MACHINE.
DATE OF PERFORMANCE
20.06.2009
DATE OF SUBMISSION
25.06.2009
NAME: MD. RAHMAN RAHED
REG NO- 2003334042
4TH YEAR 1ST SEMESTER
DEPARTMENT INDUSTRIAL AND PRODUCTION ENGINEERING
SUST, SYLHET
EXPERIMENT NO-03 COURSE NO- IPE-414 GROUP-B
NAME OF THE EXPERIMENT: STUDY OF DIFFERENT PULLEY SYSTEM OF A BENCH DRILLING MACHINE.
DATE OF PERFORMANCE
20.06.2009
DATE OF SUBMISSION
25.06.2009
NAME: MD. RAHMAN RAHED
REG NO- 2003334042
4TH YEAR 1ST SEMESTER
DEPARTMENT INDUSTRIAL AND PRODUCTION ENGINEERING
SUST, SYLHET
EXPERIMENT NO-03 COURSE NO- IPE-414 GROUP-B
NAME OF THE EXPERIMENT: STUDY OF DIFFERENT PULLEY SYSTEM OF A BENCH DRILLING MACHINE.
DATE OF PERFORMANCE
20.06.2009
DATE OF SUBMISSION
25.06.2009
NAME: MD. RAHMAN RAHED
REG NO- 2003334042
4TH YEAR 1ST SEMESTER
DEPARTMENT INDUSTRIAL AND PRODUCTION ENGINEERING
SUST, SYLHET
EXPERIMENT NO-03 COURSE NO- IPE-414 GROUP-B
NAME OF THE EXPERIMENT: STUDY OF DIFFERENT PULLEY SYSTEM OF A BENCH DRILLING MACHINE.
DATE OF PERFORMANCE
20.06.2009
DATE OF SUBMISSION
25.06.2009
NAME: MD. RAHMAN RAHED
REG NO- 2003334042
4TH YEAR 1ST SEMESTER
DEPARTMENT INDUSTRIAL AND PRODUCTION ENGINEERING
SUST, SYLHET
EXPERIMENT NO-03 COURSE NO- IPE-414 GROUP-B
NAME OF THE EXPERIMENT: STUDY OF DIFFERENT PULLEY SYSTEM OF A BENCH DRILLING MACHINE.
DATE OF PERFORMANCE
20.06.2009
DATE OF SUBMISSION
25.06.2009
NAME: MD. RAHMAN RAHED
REG NO- 2003334042
4TH YEAR 1ST SEMESTER
DEPARTMENT INDUSTRIAL AND PRODUCTION ENGINEERING
SUST, SYLHET
EXPERIMENT NO-03 COURSE NO- IPE-414 GROUP-B
NAME OF THE EXPERIMENT: STUDY OF DIFFERENT PULLEY SYSTEM OF A BENCH DRILLING MACHINE.
DATE OF PERFORMANCE
20.06.2009
DATE OF SUBMISSION
25.06.2009
NAME: MD. RAHMAN RAHED
REG NO- 2003334042
4TH YEAR 1ST SEMESTER
DEPARTMENT INDUSTRIAL AND PRODUCTION ENGINEERING
SUST, SYLHET
EXPERIMENT NO-03 COURSE NO- IPE-414 GROUP-B
NAME OF THE EXPERIMENT: STUDY OF DIFFERENT PULLEY SYSTEM OF A BENCH DRILLING MACHINE.
DATE OF PERFORMANCE
20.06.2009
DATE OF SUBMISSION
25.06.2009
NAME: MD. RAHMAN RAHED
REG NO- 2003334042
4TH YEAR 1ST SEMESTER
DEPARTMENT INDUSTRIAL AND PRODUCTION ENGINEERING
SUST, SYLHET
EXPERIMENT NO-03 COURSE NO- IPE-414 GROUP-B
NAME OF THE EXPERIMENT: STUDY OF DIFFERENT PULLEY SYSTEM OF A BENCH DRILLING MACHINE.
DATE OF PERFORMANCE
20.06.2009
DATE OF SUBMISSION
25.06.2009
NAME: MD. RAHMAN RAHED
REG NO- 2003334042
4TH YEAR 1ST SEMESTER
DEPARTMENT INDUSTRIAL AND PRODUCTION ENGINEERING
SUST, SYLHET
