26 Questions
What is the primary purpose of a milling machine?
Removing metal by feeding the work against a rotating cutter
Which type of milling machine is designed to move up and down accurately?
Column and knee type milling machine
Why is a plain milling machine also called a horizontal milling machine?
Because the cutter rotates in a horizontal plane
What is mounted vertically upon the base in a column and knee type milling machine?
Column
In a plain milling machine, how is the work moved against the rotating cutter?
Vertically, longitudinally, and crosswise
Which feature distinguishes a universal milling machine from an omniversal milling machine?
Types of work that can be machined
What is the classification of milling operation based on the direction of workpiece movement in relation to the cutter rotation?
Conventional milling and climb milling
Which milling method tends to lift the workpiece from the fixtures and makes it difficult to pour coolant on the cutting edge?
Conventional milling
What type of milling allows the coolant to directly reach the cutting point, resulting in high-quality surface finish?
Down milling
Which cutter holding device is characterized by having a threaded nose on one end and a taper shank on the other end?
Screwed arbour
What is the purpose of milling machine attachments?
To develop versatility and accuracy of machining process
Which attachment is specifically intended for cutting gears, ratchet wheels, keyways, fluted drills, taps, and reamers?
Indexing head attachment
What is the purpose of an indexing head in milling operations?
To hold and index the work for specific tasks like cutting gears
What is a feature of the universal dividing head among different types of indexing heads?
It can be used for a variety of indexing operations.
Which mechanism enables an indexing head to accurately rotate a workpiece to a required amount during indexing?
Gear train between the main spindle and driven shaft
What does differential indexing method achieve during indexing operations in a milling machine?
It allows for more than one rotation of the index plate for each rotation of the crank.
What type of milling machine can perform helical milling works due to the ability to swivel the table by 45º on either side?
Universal milling machine
Which milling machine is useful for machining helical grooves, reamer, and bevel gears due to the ability to tilt the knee to a required angle?
Omniversal milling machine
In a column and knee type milling machine, which part houses the mechanism for providing drive for the spindle?
Column
What part of a universal milling machine supports all the other parts of the machine tool and is made of cast iron?
Base
Which part of a universal milling machine moves in a cross direction and is mounted on the knee?
Saddle
What part of a vertical milling machine supports the arbour from the top of the column and is useful when using special attachments?
Overhanging arm
Which milling machine has a spindle positioned at right angles to the table and is adapted for machining slots and flat surfaces?
Vertical milling machine
What is used to control the movement of the table in a universal milling machine?
'T' - dogs
'Angular surfaces are machined by swiveling the spindle head' pertains to which type of milling machine?
Vertical milling machine
Which part of a column and knee type milling machine holds an overhanging arm that supports the arbour?
Column
Learn about the basic concepts of milling, its applications, and the types of milling machines used in machining processes.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
