Podcast
Questions and Answers
What is the main function of a lathe machine?
What is the main function of a lathe machine?
- Adding material to the workpiece
- Holding the workpiece securely
- Joining two workpieces together
- Producing chips from the cutting tool (correct)
Who is credited with designing the first screw cutting lathe?
Who is credited with designing the first screw cutting lathe?
- Henry Maudslay (correct)
- Greek engineers
- Egyptian artisans
- Italian inventors
What type of cutting tool is generally used with lathes?
What type of cutting tool is generally used with lathes?
- Multipoint cutting tool
- Water jet cutting tool
- Laser cutting tool
- Single point cutting tool (correct)
Which classification of lathes occupies less floor space?
Which classification of lathes occupies less floor space?
What distinguishes general-purpose lathes from single-purpose lathes?
What distinguishes general-purpose lathes from single-purpose lathes?
In what year did Henry Maudslay design the first screw cutting lathe?
In what year did Henry Maudslay design the first screw cutting lathe?
What type of lathe is used for extremely small size jobs and precision work?
What type of lathe is used for extremely small size jobs and precision work?
Which type of jobs are typically held in collets in a lathe?
Which type of jobs are typically held in collets in a lathe?
What part of a center lathe holds the spindle and transmits power and rotation to the job?
What part of a center lathe holds the spindle and transmits power and rotation to the job?
In a lathe, what is the function of the tailstock?
In a lathe, what is the function of the tailstock?
Which part of a lathe is used for giving various movements to the tool by hand and by power?
Which part of a lathe is used for giving various movements to the tool by hand and by power?
What is the purpose of the cross-slide on a lathe?
What is the purpose of the cross-slide on a lathe?
What is the main function of the compound rest on a lathe?
What is the main function of the compound rest on a lathe?
What is mounted on top of the saddle on a lathe?
What is mounted on top of the saddle on a lathe?
What moves alone to guide ways on a lathe?
What moves alone to guide ways on a lathe?
What carries the spindle and transmits power and rotation to the job in a center lathe?
What carries the spindle and transmits power and rotation to the job in a center lathe?
What is the purpose of the back gears in a lathe machine?
What is the purpose of the back gears in a lathe machine?
How are different spindle speeds obtained in an all geared headstock lathe?
How are different spindle speeds obtained in an all geared headstock lathe?
What is a key function of the feed mechanism in a lathe machine?
What is a key function of the feed mechanism in a lathe machine?
In a lathe machine, what is the primary advantage of using an all geared headstock over a cone pulley mechanism?
In a lathe machine, what is the primary advantage of using an all geared headstock over a cone pulley mechanism?
When are back gears typically engaged in a lathe machine?
When are back gears typically engaged in a lathe machine?
Which statement best describes how an all geared headstock lathe operates?
Which statement best describes how an all geared headstock lathe operates?
What advantage does using back gears in a lathe machine provide?
What advantage does using back gears in a lathe machine provide?
Which component is responsible for converting rotary motion into linear motion in a lathe machine?
Which component is responsible for converting rotary motion into linear motion in a lathe machine?
In what scenario would you engage the back gears in a lathe machine by using lever L?
In what scenario would you engage the back gears in a lathe machine by using lever L?
Why is an all geared headstock preferred over a cone pulley mechanism in modern lathes?
Why is an all geared headstock preferred over a cone pulley mechanism in modern lathes?
What is the purpose of the quick-change gear box in the lathe?
What is the purpose of the quick-change gear box in the lathe?
How many different speeds can Shaft C receive in the quick-change gearbox setup?
How many different speeds can Shaft C receive in the quick-change gearbox setup?
In the tumbler gear quick-change gear box, what is connected to the lead screw or feed rod?
In the tumbler gear quick-change gear box, what is connected to the lead screw or feed rod?
What is the function of a splined shaft in the apron mechanism of the lathe?
What is the function of a splined shaft in the apron mechanism of the lathe?
What happens when the feed check knob 'E' is in a neutral position in the apron mechanism?
What happens when the feed check knob 'E' is in a neutral position in the apron mechanism?
What is used for thread cutting in the lathe setup?
What is used for thread cutting in the lathe setup?
How are various speeds obtained in the tumbler gear quick-change gear box?
How are various speeds obtained in the tumbler gear quick-change gear box?
What connects Shaft C to the lead screw in the quick-change gearbox setup?
What connects Shaft C to the lead screw in the quick-change gearbox setup?
What is attached with worm wheel in the apron mechanism of the lathe?
What is attached with worm wheel in the apron mechanism of the lathe?
How many different sizes of gears are keyed with Shaft A in the quick-change gearbox?
How many different sizes of gears are keyed with Shaft A in the quick-change gearbox?
How is automatic longitudinal feed achieved on a lathe machine?
How is automatic longitudinal feed achieved on a lathe machine?
What mechanism is used to reverse both longitudinal and cross feed on a lathe machine?
What mechanism is used to reverse both longitudinal and cross feed on a lathe machine?
In a modern heavy-duty lathe, what mechanism replaces the non-rigid tumbler gear mechanism for feed reversing?
In a modern heavy-duty lathe, what mechanism replaces the non-rigid tumbler gear mechanism for feed reversing?
What type of chuck is commonly used for holding non-circular bars in a centre lathe?
What type of chuck is commonly used for holding non-circular bars in a centre lathe?
Which device is best suited for holding work pieces that cannot be conveniently held between centres or by chucks?
Which device is best suited for holding work pieces that cannot be conveniently held between centres or by chucks?
What provides the necessary rigidity in construction for the bevel gear feed reversing mechanism in a lathe?
What provides the necessary rigidity in construction for the bevel gear feed reversing mechanism in a lathe?
How are jaws moved radially in a 4-jaw independent chuck?
How are jaws moved radially in a 4-jaw independent chuck?
What is the purpose of an angle plate in a lathe setup?
What is the purpose of an angle plate in a lathe setup?
Which mechanism replaces the tumbler gear mechanism for feed reversing in a modern heavy-duty lathe?
Which mechanism replaces the tumbler gear mechanism for feed reversing in a modern heavy-duty lathe?
When is a face plate typically used in a lathe setup?
When is a face plate typically used in a lathe setup?
What is the purpose of using an angle plate along with the face plate?
What is the purpose of using an angle plate along with the face plate?
What is the function of a catch plate or driving plate?
What is the function of a catch plate or driving plate?
Why are mandrels made of high carbon steel?
Why are mandrels made of high carbon steel?
When is a revolving centre preferably used?
When is a revolving centre preferably used?
What is the purpose of using a steady rest or follower rest?
What is the purpose of using a steady rest or follower rest?
What type of centre has a ball-shaped end to minimize wear and strain?
What type of centre has a ball-shaped end to minimize wear and strain?
'Tipped centre' has what feature to make it highly wear-resistant?
'Tipped centre' has what feature to make it highly wear-resistant?
'Insert type centre' allows for replacing what component instead of the whole centre?
'Insert type centre' allows for replacing what component instead of the whole centre?
'Pipe centre' is specifically used for supporting which types of objects?
'Pipe centre' is specifically used for supporting which types of objects?
Which additional support helps prevent deflection of long slender jobs due to sagging during machining?
Which additional support helps prevent deflection of long slender jobs due to sagging during machining?
What is the main reason for using a tipped tool brazed to the carbon steel shank?
What is the main reason for using a tipped tool brazed to the carbon steel shank?
Why are ceramic tips clamped to the end of a shank instead of being brazed on?
Why are ceramic tips clamped to the end of a shank instead of being brazed on?
What distinguishes solid tools from tools inserted in a holder?
What distinguishes solid tools from tools inserted in a holder?
What is the benefit of using high-speed steel in tipped tools?
What is the benefit of using high-speed steel in tipped tools?
Why are ceramic inserts clamped in rectangular sectioned steel bars?
Why are ceramic inserts clamped in rectangular sectioned steel bars?
What is the primary reason for using carbide inserts in tool holders?
What is the primary reason for using carbide inserts in tool holders?
In what situation would a mechanic fastened tipped tool be preferred over a brazed tip tool?
In what situation would a mechanic fastened tipped tool be preferred over a brazed tip tool?
Why are high-speed steel tips sometimes brazed onto a carbon steel shank?
Why are high-speed steel tips sometimes brazed onto a carbon steel shank?
What benefit does mechanically clamping carbide inserts offer over ceramic inserts?
What benefit does mechanically clamping carbide inserts offer over ceramic inserts?
Why would a manufacturer choose forged tools over tipped tools?
Why would a manufacturer choose forged tools over tipped tools?
What is the term for the lower part of the carriage attached to the saddle?
What is the term for the lower part of the carriage attached to the saddle?
How is the longitudinal feed achieved in a lathe?
How is the longitudinal feed achieved in a lathe?
What is the function of the lead screw in a lathe?
What is the function of the lead screw in a lathe?
Which part of the lathe is used to traverse the tool along the work to produce screw threads?
Which part of the lathe is used to traverse the tool along the work to produce screw threads?
What part of a lathe is responsible for deriving automatic feed motion from the rotation of the spindle?
What part of a lathe is responsible for deriving automatic feed motion from the rotation of the spindle?
When cutting screw threads, what is engaged with the rotating lead screw to move the carriage parallel to the lathe bed?
When cutting screw threads, what is engaged with the rotating lead screw to move the carriage parallel to the lathe bed?
Which component in a lathe allows for varying the feed rate as needed for turning and threading operations?
Which component in a lathe allows for varying the feed rate as needed for turning and threading operations?
What is used to shift the tailstock along the lathe bed when necessary?
What is used to shift the tailstock along the lathe bed when necessary?
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