C2 - LT#4 Cut-off saws Flashcards
Name the common uses for abrasive saws:
1) Cutting control joints in concrete
2) Cutting concrete members, pavers, tile, asphalt, pipe and lightweight steel framing
Describe two different blades (Disk) types:
1) Abrasive disks: made from a composite material
2) super abrasive blades - made from metal and the cutting surface is coated with diamond or CBN
Why is water sometimes added when cutting concrete?
For cooling, lubrication and dust control.
Can a metal-cutting abrasive disk be used to cut concrete?
No
Name two types of ferrous metals
Steel & Iron
Describe a handheld cut-off saw
gas powered - saw is brought to the material and held by hand
Describe a bench top cut-off saw
AKA chop saw - mounted on a surface, material brought to the saw
Describe a walk behind saw
Where the operator steers the saw while walking
What is the blade size for a walk-behind saw?
Range up to 30 inches
What is the blade size for a walk-behind saw?
Range up to 30 inches
What are the advantages of using water cooling besides cooling the blade?
Keeping the dust down, better cutting due to lubrication
Which metal is ferrous?
If it contains iron
Which metal is nonferrous?
Copper, brass, and aluminum
Can you use a disk for cutting concrete for cutting metal?
No
Super-abrasive disks are mainly used for what?
They are normally used to cut tile, stone-type countertops, asphalt, concrete and some ferrous metals