Introduction to Lathe Machine,Working principle,Operations and specifications of lathe
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- เผยแพร่เมื่อ 4 ส.ค. 2020
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Welcome to Mazurek Gravity. Thanks for visiting us.This video is on LATHE MACHINE.
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#LATHE - A lathe (Longitudinal Axis Tool Holding Equipment) is a machine tool that rotates a workpiece about an axis of rotation to perform various operations such as cutting, sanding, knurling, drilling, deformation, facing, and turning, with tools that are applied to the workpiece to create an object with symmetry about that axis.
#Working Principle of Lathe
● A lathe is a machine tool which use to removes unwanted materials from a work piece in the form of chips with the help of a tool that travels across the work piece and can be fed deep in work.
●When the tool is moved parallel to the work-piece then the cylindrical surface is formed.
●If the tool is moved inclined to the axis then it produces a tapered surface and so calls as taper turning.
#Working :-
● It holds the work between two supports so call as centers.
● Face plate or Chuck are using for holding the work.
● Face plate or Chuck are mounted on the machine spindle.
● The cutting tool is holding with the help of Tool post.
● The movement of the job is rotating about the spindle axis.
● Against the revolving work, the tool is feed.
● The tool moves either parallel or inclination to the work axis.
#Main Parts of lathe Machine
◆ In a lathe machine every individual part performs an important task.
◆ Some important parts of a lathe machine are as follows:
1. Bed
2. Head Stock
3. Main Spindle
4. Tail Stock
5. Lead Screw
6. Live Center
7. Dead Center
8. Carriage
i. Saddle
ii. Apron
iii. Tool Post
iv. Cross slide
v. Compound Rest
vi. Compound Slide
9. Feed Mechanism
i. Belt Feed Mechanism
ii. Gear Feed Mechanism
#Lathe_Operations :-
1. Turning
i. Tapers and Taper Turning
ii. Straight turning
iii. Profiling
iv. External grooving, etc
2. Facing
3. Drilling
4. Boring
i. Counter Boring
ii. Taper Boring
5. Reaming
6. Knurling
7. Chamfering
8. Filling
9. Parting
10. Threading
11. Grooving
12. Forming
13. Polishing
#Specification of Lathe
● A lathe is generally designated by:
(a) Swing, i.e., the largest work diameter that can be swung over the lathe bed.
(b) Distance between head stock and tail stock centre.
Some manufacturers designate the lathes by the swing and length of the bed.
Bar automatic lathes are specified by the maximum diameter of the bar which can be accommodated.
In order to specify a lathe completely, the following specifications should be included:
1. (a) Height of centres (b) Type of bed, i.e. straight, semi-gap, or gap type (c) Centre distance.
2. (a) Swing over bed. (b) Swing over cross slide, (c) Swing in gap. (d) Gap in front of face plate, (e) Width of bed.
3. (a) Spindle Speeds Range, (b) Spindle Nose (Type), (c) Spindle bore, (d) Taper in nose.
4. (a) Metric thread pitches, (b) Lead screw pitch, (c) Longitudinal feeds, (d) Cross feeds.
5. (a) Cross slide travel, (b) Top slide travel, (c) Tool section.
6. (a) Tailstock sleeve travel. (b) Taper in sleeve bore.
7. Motor horsepower and RPM.
8. Shipping dimensions-length x width x height x weight.
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Great
Learnt a lot from this, thanks ❤🎉
I liked the video nice editing done at the last, I understood the milling operations easily
Excellent lathe machine video
Short but very good video 🎉
Very interesting
Good one each part and operations are explained with detail...
Exactly
Just found your channel and Subscribed. Nice work
Thankyou
Good Video Sir❤️
Life saver
Good
I like this joo, how and where can I go to learn it?
Hindi main bhi video bnaye