AK6

milling machine

milling machine

It is a machine tool used for the shaping of metal and other solid materials.

slot cutting, routing, drilling

Which of the following is an operation of a milling machine?

face milling

A general milling operation for large flat surfaces.

Hammer the cutter on the arbor.

Which of the following is not safe practice?

25mm

Calculate the run-up for 50 mm face milling cutter if the depth of the cut is 5 mm.

one

For a solid cutter, the shank and body are made into _____ piece/s.

automatic

Which of the following is not a distinct cutting method in milling operations?

periphery

In peripheral meaning, the surface being machined is parallel to the _______ of the cutter.

parallel

In face milling, the surface machined is _____ with the face of the cutter.

It is replaceable

Which of the following is true for the teeth of an inserted tooth cutter?

column

In column knee type milling, it supports and guides the knee in vertical movement.

510 mm

A 500 mm long workpiece is finished a face milling cutter with a diameter of 80 mm. The run over is 5 mm and the cutting depth is 5 mm. Calculate the total milling length.

minimum

In up-milling, the chip is at _______ thickness at the start of the cut.

accuracy

To maintain _______, it is necessary to prevent damage to the cutter holding and driving devices.

vertical

At what orientation must an arbor be stored?

Loosen the nut on the draw-in bar a few turns.

Which of the following is the first step when removing an arbor from the machine?

feed

The rate the work moves into the cutter.

Feed per tooth per rev

Which is a unit of feed.

Same as the cutter

In down milling, the work moves at what direction?

knee

In column knee type milling, it supports the mechanism for obtaining cross traverse and longitudinal table movements.

27.8 min

A shaft groove with a length of 260 mm and a depth of 10 mm is cut by an 18 mm slot cutter. What is the processing time if the cutting depth is to be 5 mm, the feed is 20 mm/min and the run-up is ½ diameter?

feed and cutting speed

Time and quality of milling work is governed by:

43.8

What is the feed speed in mm/min of an end milling cutter if its mills 350 mm in 8 minutes?

circular

In column knee type milling, what movements are not controlled by the hand levers?

cutting speed

Refers to the distance a point on the circumference moves in one minute.

(1) lubricating qualities influence the quality of finish (2) cutting fluids prevent chip from sticking to the cutter teeth

Which of the following is true about lubricating and cutting fluids?

there are three general milling operations

Which of the following is not true?

two

Milling cutters have _____ general types

rev per min and feet per min

Which is/are unit/s of cutting speed?

Maintains the cutting speed

Which is not a purpose of a cutting fluid?

87.7 min

A 80 mm thick plate is to be milled down to a thickness of 50 mm using a 75 mm face milling cutter. Calculate the processing time if the cutting depth is 5 mm, the feed/rev is 1 mm and the cutting speed is 10 m/min, and if the run over for 600 mm long plate is 10 mm.

Loosen the nut on the draw-in bar a few turns.

Which of the following is the first step when removing an arbor from the machine?

vertical

At what orientation must an arbor be stored?

feed

The rate the work moves into the cutter.

minimum

In up-milling, the chip is at _______ thickness at the start of the cut.

13.9 min

A shaft groove with a length of 260 mm and a depth of 10 mm is cut by an 18 mm slot cutter. What is the processing time if the cutting depth is to be 5 mm, the feed is 40 mm/min and the run-up is ½ diameter?

83.4

What is the feed speed in mm/min of an end milling cutter if its mills 350 mm in 4.2 minutes?

conventional, up-milling, climb

Which are distinct cutting method in milling operations

50 mm

Calculate the run-up for 100 mm face milling cutter if the depth of the cut is 5 mm.

Act as a lubricant, flush away chips and carry away the heat generated during the machining operation

Which is/are purpose/s of a cutting fluid?

58.4 min

A 80 mm thick plate is to be milled down to a thickness of 60 mm using a 75 mm face milling cutter. Calculate the processing time if the cutting depth is 5 mm, the feed/rev is 1 mm and the cutting speed is 10 m/min, and if the run over for 600 mm long plate is 10 mm.

13.9 min

A shaft groove with a length of 260 mm and a depth of 10 mm is cut by an 18 mm slot cutter. What is the processing time if the cutting depth is to be 5 mm, the feed is 40 mm/min and the run-up is ½ diameter?

48.3

What is the feed speed in mm/min of an end milling cutter if its mills 386.5 mm in 8 minutes?

580 mm

A 500 mm long workpiece is finished a face milling cutter with a diameter of 80 mm. The run over is 40 mm and the cutting depth is 5 mm. Calculate the total milling length.

10 mm

Calculate the run-up for 20 mm face milling cutter if the depth of the cut is 5 mm.

29.2 min

A 80 mm thick plate is to be milled down to a thickness of 70 mm using a 75 mm face milling cutter. Calculate the processing time if the cutting depth is 5 mm, the feed/rev is 1 mm and the cutting speed is 10 m/min, and if the run over for 600 mm long plate is 10 mm.