Quiz
Boring Mill, Jig Grinders and Broaching
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Questions in this quiz (19)
1The gearbox for setting the spindle speed and the mechanism for feeding the spindle longitudinally is located in which part of the boring mill?
- Athe saddle
- Bthe column
- Cthe spindle head
- Dthe outboard support
2A typical spindle speed range for a horizontal boring mill is between:
- A12 - 1200 RPM
- B12 - 1500 RPM
- C12 - 1800 RPM
- D12 - 2000 RPM
3The round, flat plate that spins around the spindle on a horizontal boring mill is identified as:
- Adrive plate
- Bspindle plate
- Cface plate
- Dtool plate
4According to the NAIT material, what is considered a typical spindle feed rate on horizontal boring mills?
- A0.4"/rev to 0.750"/rev
- B0.040"/rev to 0.625"/rev
- C0.004"/rev to 0.125"/rev
- D0.0004"/rev to 0.0625"/rev
5In consideration to your literature, what is seen as a typical feed-rate on horizontal boring mills? The dimensions are inches per minute.
- A0.045" to 50"
- B0.040" to 25"
- C0.025" to 20"
- D0.010" to 10"
6If you engage the rapid traverse lever on a horizontal or vertical boring mill what is the action of the tool?
- Ait moves in the same direction as you feed the tool
- Bin moves in the opposite direction as you feed the tool
7Which attachment makes it easy to adjust the cutting diameter of a stub boring bar on a horizontal boring mill?
- Athe back face attachment
- Bthe telescopic toolholder
- Cthe star wheel feeding attachment
- Dthe boring head
8Which of the following attachments on a boring mill will be mounted on the far end of a boring bar, if possible, to machine surfaces?
- Athe boring head
- Bthe telescopic toolholder
- Cthe backface attachment
- Dthe star wheel feeding attachment
9Telescoping tool holders are used to perform which kind of tasks on a horizontal boring mill?
- Aline boring
- Bfacing
- Ctaper milling
- Dthreading
10Internal threading can be accomplished on a horizontal boring mill through the application of:
- Aa telescoping toolholder
- Ba thread guide sleeve
- Ca star feeding attachment
- Da backfacing attachment
11If you are grinding holes on a jig grinder with a diameter under 0.25", which kind of mounted grinding wheel should you use?
- Adiamond charged wheel
- BCBN charged wheel
- Csilicon carbide charged wheel
- Daluminum oxide charged wheel
12Please identify the allowances for grinding holes up to 0.5" on a jig grinder:
- A0.0005" to 0.001"
- B0.0050" to 0.008"
- C0.0005" to 0.015"
- D0.010" to 0.200"
13Identify the allowance for holes larger than 0.5" when operating a jig grinder:
- A0.004" to 0.006"
- B0.006" to 0.009"
- C0.008" to 0.012"
- D0.010" to 0.015"
14In outfeed grinding, a number of passes has to be conducted in order to obtain the desired size and accuracy. How small can the incremental offset distance be?
- A0.00001"
- B0.00010"
- C0.00100"
- D0.01000"
15Which tolerance can be obtained through broaching?
- A0.0001"
- B0.0005"
- C0.0010"
- D0.0050"
16Which of the following procedures can only be conducted through broaching efficiently?
- Aexternal gears
- Binternal splines
- Cinternal keyways
- Dsmall internal gears
17When investigating the layout of a broach with respect to the typical depth of a tooth in relationship with the pitch of the broach, which constant is used to determine the depth of the tooth?
- A0.4
- B0.5
- C0.6
- D0.7
18The radius of the gullet on a broach can be calculated by multiplying the pitch by:
- A1/16
- B1/8
- C1/4
- D1/2
19Broaching is capable of producing a surface finish of:
- A16 microinches
- B32 microinches
- C64 microinches
- D128 microinches
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- Description
- 3rd year Quiz on Boring Mill, Jig Grinders and Broaching, created by Vincent Bergeron on 15/04/2015.
- Author
- Vincent Bergeron
- Language
- English
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