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69 Cards in this Set
- Front
- Back
Guards on a bench grinder should cover: |
2/3 of the wheel |
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The gap between the tool rest and the grindstone on a bench grinder should never be more than: |
1/8" |
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A grinding wheel is classified by: |
Size and type of abrasive and the type of bonding agent |
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A safety specification to consider when selecting a grinding stone or disk is |
The RPM rating of the stone or disc |
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A dressing tool is used for |
Refacing the surface of grind stones |
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Bouncing or heavy vibration of the workpiece when grinding are indications that the grindstone is: |
Out of round |
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Before installing a new grindstone you need to |
Check the wheel for cracks |
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The flutes of a drill bit: |
Form the cutting edges on the point Allow chips to escape Cause the chips to curl Permit cutting oil to reach the cutting edges |
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The web of a drill bit |
Separates the flutes Is the supporting section of the bit Gradually increases in thickness throughout its length |
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The risk of the drill bit grabbing the work or breaking |
Increases as the bit breaks through the work piece |
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A v block should be used when drilling holes in |
Round material |
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Hand drills are rated by |
Size of the Chuck |
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Tapered shanks are most common on which drill bits |
Large |
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Slots in the drill press table are provided for |
Fitting jigs to the table |
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A magnetic base drill press is an advantage on |
Holes are drilled in the vertical plane |
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Forming steel plate into cylinders is a process known as |
Rolling |
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The main reason for using templates when forming steel is to |
Maintain accuracy |
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Before using a power brake, it is good practice to |
Confirm the machine settings |
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The power tool that is best suited for creating intricate shapes and multiple bends is |
Power Bender |
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Trip hammers are a good tool for |
Sharpening bucket teeth |
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What two factors must be considered when setting the blade clearance on a power shear |
Material type and thickness |
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One advantage of a vertical band saw is that it? |
Can be used to cut curves |
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When cutting with a horizontal band saw it is possible to |
*Cut several pieces at the same time *Cut a variety of structural shapes *Start the cut and then go work on something else |
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A notcher is a cutting tool found on |
An iron worker |
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Safe cutting of l-shaped structures in a cut-off saw requires |
One vertical leg of the l-shape against the stationary block of the clamping device |
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Power positioner is range in size from small top top versions to large industrial versions. True or false? |
True |
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The shape, size or length of an object being welded on the positioner may require the use of what to help it rotate easily |
Counterweights Pipe stands |
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What processes can a power position be used with? |
Manual Semi-automatic Automatic |
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The safest way to use a wrench is to |
Pull on it with study pressure |
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A combination square consists of |
A square head A protractor They sent ahead |
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A thin rule has an advantage over a thick rule when |
Accuracy is a priority |
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A good tool for accurately transferring measurements is a |
Set of dividers |
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The size of pliers is determined by |
The overall length of the tool |
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A bar clamp has an advantage when |
Clumping over great distances |
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A 32 teeth per inch hacksaw blade is the best choice for cutting |
Thin stock |
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Clamping the work piece between two pieces of wood is an effective way to hacksaw |
Thin material |
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Files are classified by the |
Length, shape and cut |
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Serrated blade snips have an advantage over tin snips when |
Cutting smaller more intricate patterns |
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Tin snips are sized according to the |
Overall length of the tool |
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The cutting edge of a cold chisel should be prepared to ____ degree angle for most materials and up to___ degrees for very hard materials |
60 90 |
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How are open and wrenches sized? |
By measuring the distance across the flats |
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An adjustable wrench is recommended when |
A proper fitting wrench is unavailable |
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How high are angle grinders typically rated to? |
12000 RPM |
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Portable hand drills have a chuck size that can range from |
1/4 to 3/4 in |
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A _____ ___ is meant for precise work on holes up to approximately 1/ 2 inch diameter |
Sensitive drill |
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A typical upright drill press can drill holes between |
1/2 to 4 inches |
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A magnetic drill is equipped with either ____ or ___ three jaw chuck |
1/2 3/4 |
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What are the three types of drill Chuck's? |
Keyed drill chuck Keyless Drill socket and sleeve |
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Which drill Chuck is the most common? What size is do they come in? |
Three jaw 1/4 to 3/4 in |
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____ chucks are operated by manually turning and external collar. These chucks are often found on battery powered hand drills. |
Keyless |
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Twist drills consist of three main parts? |
The shank The body The point |
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What are the two types of shanks for twist drill bits? |
Straight Taper |
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In reference to drill bits,____ shanks are generally used on drills up to 1/2 inch diameter. |
Straight |
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____ shanks are found on drills larger than 1/2 inch diameter |
Taper |
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The body of a twist drill has two ____ flutes |
Helical |
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What are the functions of the flutes on a drill bit? |
*curl the chips as they are cuts *Carry the chips out of the hole *Provide a passage for cutting fluid and coolant *Form the cutting edges on the points |
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The ___ of the twist drill is where all the cutting action takes place. |
Point |
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The geometry of the points on a twist drill is defined by the: (3) |
Cutting edge Chisel edge Lip clearance |
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The ____ or ___ ___ extends from the chisel edge to the margin and is the portion of the points that does the cutting. The diameter of a twist drill is measured across its _____ |
Lip or cutting edge Margins |
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The .... ...... Is the portion remaining between the flutes. It does not cut and should be a smallest possible |
Chisel edge |
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.... Are the helical grooves around the drill that allow for coolant and chip removal? |
Flutes |
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.. ......... Is provided by grinding the heel lower than the cutting edge. Without this clearance, the twist drill is not able to advance into the workpiece |
Lip clearance |
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The... Is the thin portion in the centre of the drill. This forms the chisel edge and increases in thickness towards the shank |
Web |
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Twist drills are manufactured with the standpoint geometry with a drill point angle of ... |
118° |
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Using an increased rail point angle of ... And the reduced lip clearance of.. is better for drilling stainless steel |
135° 8° |
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For other materials like plastic or non-ferrous materials you should drill with a point angle of ... to ... With a lip clearance angle up to ... |
60 to 90 12° |
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When using an iron worker to punch holes, as a rule of thumb do not punch material thicker than .... |
One punch diameter |
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When using an iron worker, failure to check ..... And ..... Alignment can cause them to shatter and potentially cause a serious personal injury |
Punch and die |
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The ...... Is used to cope or block l shapes, c. Shapes, or other structural shapes for cross member fits unforgotten v. Notches to form .... Joints in L shapes. |
Notcher 90° |