WorksheetsQuiz 9.1
Total questions: 14
Worksheet time: 7mins
What are the 4 basic types of tool covered in the video
Spiral taps,centre drills, roll taps and end-mills
Turning tools, boring bars, grooving tools, threading bars, drills
Reamers, insert drills, cutoff tools, chamfer tools
Hammer, chisels, saws, handheld drills and wrenches
Turning tools are designed to.......
Cut or turn diameters and faces on the par
Specifically cut curved surfaces
Take very light cuts with small finishing passes
Magically turn parts from billets
We generally use the acronyms I.D and O.D to refer to what?
Inner dimension and outer dimension
inside edge and outside edge
Integral diameter and outward diameter
inside diameter and outside diameter
The turning tool usually refers to tools used for cutting outside diameters
True
False
Tools used to cut features on the inside diameter are usually called
Boring bars
Barium bars
Falling asleep on the job
Bore tools
What are the most common insert shapes
diamond, square and triangle
Spherical
Cylinder, trigon and diamond
75 degree, 80 degree and 50 degree
Insert size is determined by the tool shank size and turret size
True
False
If the tool is not on centre what could happen?
Insert won't cut
Dimension wrong
Everything will be ok
No difference
The geometric features on the top of inserts are called chip breakers, why is this?
Because the name lays and ruffles has already been taken
They are designed to break the chips as you cut
To break the pulsing harmonics
Designed to withstand heavy cuts
What can happen if you use the wrong insert?
The material wont chip resulting in birds nest chips
Insert will explode on contact
Causes vibration
The extra heat will melt carbide
The part off tool is closely related to the grooving tool and is designed to....
Turn outside edges
To be functional and groovy
Cut a groove to the centreline and cut off your part to length
For use on custom low quality parts
What are the most common types of drills
Twist drill and insert drill
Twist and shout
High helix and spot
Single and double
Why can drills be used on a lathe, when stationary
the lathe spindle provides the rotation
The notion that the rotation is required is an old wives tale
Because the rotation of the drill causes the swarf to cut
Both tools are on centre
As the diameter of a drill gets larger, we would change to insert drills why is this.
Everyone knows the saying 'don't be complacent go for a replacement'
Its more cost effective
Its easier
they dont make drills bigger than 1 inch
