Term
| Breaker are held at what angle when working? |
|
Definition
| 90 Degrees, then brought down as word demands. |
|
|
Term
|
Definition
Chisel Bit
Moll Point (for hard objects)
Shovel Bit
Tampers (for compacting stone) |
|
|
Term
| Mandatory switch on underwater saws? |
|
Definition
|
|
Term
| How many lines go to a hydraulic Rock Drill? |
|
Definition
3
1) Oil in
2) Oil out
3) Air in (for blowing chips away) |
|
|
Term
|
Definition
1) Cast (one peice)
2) Liddicat Taper
3) Tapered Drill Steel (11 Degree Taper - 12 Degree Taper - Brass Shim is installed.)
4)Shoulder Driven (E Thread - D Thread - H Thread )
5)Integral
6) Rope Thread - Bottom Driven |
|
|
Term
| What does the brass shim do? |
|
Definition
| Allow easy attachment and detachment. |
|
|
Term
|
Definition
| Slower, but with more torque |
|
|
Term
|
Definition
1)Star Bits - Common and smooth running
2)Button Bits - Good for harder materials, more vibration and chatter.
3)Integral - Good for breaking and drilling. |
|
|
Term
| What is the term cold cutting mean? |
|
Definition
| The process of cutting into an object while not producing heat to cause combustion. |
|
|
Term
|
Definition
| The process of advancing a bit in a little so that it cuts, than backing it out to allow the friction area to cool. |
|
|
Term
| True of False: You SHOULD put your weight into the tool when using a breaker? |
|
Definition
|
|
Term
| True of False: You SHOULD put your weight into the tool when using a rock drill? |
|
Definition
| False (the tools weight should do the work) |
|
|
Term
| When drilling underwater you do not oil because: |
|
Definition
| Water acts as the lubrication. |
|
|
Term
| An integral rock drill steel is a: |
|
Definition
| all in one piece with no removable bit |
|
|
Term
| A zip gun can be used for: |
|
Definition
Removing Rust, scale, and slag
Punching holes
Cutting sheet metal
Chiseling |
|
|
Term
| When choosing large tool breaker or drill bits it is important to pay close attention to: |
|
Definition
| Shank diameter and length. |
|
|
