Table of Contents
- 1 Why do some materials not require cutting fluids to be used?
- 2 Which of the following is not true for radial drill?
- 3 Which work material does not require cutting fluid for cutting?
- 4 Why does drilling machine need cutting fluid?
- 5 Which of the following is not true for column drill machine?
- 6 Is provided in drill for the passage of chips and cutting fluid?
- 7 What are the advantages of radial drilling machine?
- 8 Was cutting fluid used in drilling operation?
- 9 What is the use of cutcutting fluid?
- 10 How does a radial drill arm work?
- 11 What are the safety precautions to be taken while using a drill?
Why do some materials not require cutting fluids to be used?
Cutting fluids normally are not necessary when machining most aluminum alloys because of the relatively low cutting temperatures. It can over-temper martensitic alloys, for example. In many austentic alloys, heat also does not flow well from the cutting zone into the chips because thermal conductivity tends to be low.
Which of the following is not true for radial drill?
Which of the following is not true for radial drill? Explanation: The tubular is thick but it has large diameter not small.
What is a radial arm drilling machine used for?
Typically, engineers use the radial arm drill for drilling large materials as well as occasional milling tasks and while not being too different from a pillar drill, the radial drill operator has the key advantage of being able to bolt the material itself into position and moving the machine arm to drill as needed, as …
Which work material does not require cutting fluid for cutting?
So it is generally dry for its self-lubricating property. Machining of some materials like grey cast iron become inconvenient or difficult if any cutting fluid is employed in liquid form….Detailed Solution.
| Material | Drilling | Turning |
|---|---|---|
| Bronze | Dry soluble oil Mineral oil Lard oil | Soluble oil |
| Cast iron | Dry Air jet | Dry |
Why does drilling machine need cutting fluid?
Lubrication. Besides cooling, cutting fluids also aid the cutting process by lubricating the interface between the tool’s cutting edge and the chip. This lubrication also helps prevent the chips from being welded onto the tool, which would interfere with subsequent cutting.
Why cutting fluids are required for most machine operations?
Cutting fluids are very important in machining processes. They are used to reduce the effects of friction. They are also used to carry away heat in machining operations. Excessive heat can damage the microstructure of metals.
Which of the following is not true for column drill machine?
5. Which of the following is not true for column drill machine? Explanation: All the sentences are true except the one which says that accuracy is less in column drill machine. Accuracy is comparatively high in this type of machine.
Is provided in drill for the passage of chips and cutting fluid?
Flutes
Explanation: Flutes are grooves in the body of a drill. These grooves are helical in shape. They provide passage for chip flow.
Why it is called radial drilling machine?
Radial Drilling Machine is a type of drilling machine which is used to drill the holes in the given radial distance when the component size is larger in terms of height with respect to the work table. This is the detailed explanation of Radial Drilling Machine.
What are the advantages of radial drilling machine?
The main advantage of the radial drilling machine is that
- It is very compatible and handy for machining.
- It is accurate, economical, portable and least time consuming while machining.
- Heavy work pieces can be machined in any position without moving them.
Was cutting fluid used in drilling operation?
Cutting fluid may also take the form of a paste or gel when used for some applications, in particular hand operations such as drilling and tapping.
Why is cutting fluid used in drilling operations?
Cutting fluids are used for three main purposes: as a lubricant at low cutting speeds, to cool the tool and work, and to assist in clearing the swarf.
What is the use of cutcutting fluid?
Cutting fluid can be also used for coolant and lubrication purposes like Fatty Oil. The selection of Cutting fluid mainly depends on the job material along with tool material. It also depends on which kind of operation do you performed is it drilling? or thread cutting or anything else.
How does a radial drill arm work?
The face of the radial arm is accurately machined and drill head slides over it. This arm goes up and down in the column. In big machines, hydraulics are used to move the arm up and down. Drill Head is mounted on the radial arm and drives the drill spindle.
What type of cutting fluid is used in lathe operation?
In Lathe operation, drilling operation, shaping operation we use this type of cutting fluid. #2 Cutting Oil: It is a mixture of mineral oil and fatty oil. It is mainly used in hand cutting machinery. It can be used as a coolant as well as a lubricant for Low cutting and high cutting rates respectively.
What are the safety precautions to be taken while using a drill?
Never place tools or equipment on the drilling tables. Keep all guards in place while operating. Ease up on the feed as the drill breaks through the work to avoid damaged tools or workplaces. Twist drills are the most common cutting tools used with drilling machines.