Term
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Definition
| Internally (Can be external too) |
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Term
| What is the range of the face or rake angle of a broach? |
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Definition
| -5 Degrees (Brass) to 15 Degrees (Steel) |
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Term
| How many teeth should be in contact with workpiece at minimum when broaching? |
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Definition
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Term
| Where should broaches be sharpened? |
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Definition
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Term
| Roughing RPT(Rise per tooth) for broaching? what about for finishing? |
|
Definition
| .003(Roughing) .0005-.001(Finishing) |
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Term
| What is advantage of broaching? |
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Definition
-High Production Rate
-Precise
-Little Skill Required
-Good Finish |
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Term
| What is a disadvantage of broaching? |
|
Definition
-Cost of broach is expensive
-Cutters are single purpose
-Cant be done in blind holes |
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|
Term
| What is the back-off (Clearance) angle on a broach? |
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Definition
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|
Term
| What is the purpose of the land on a broach? |
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Definition
| To support a cutting edge. |
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Term
|
Definition
-Pull Broach
-Rotary or Jump-Cut
-Double Cut |
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|
Term
| What are broaches generally made of? |
|
Definition
-HSS
-Carbide
-Carbide Inserts |
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|
Term
| Types of broaching machines? |
|
Definition
Broaching Press(Hand)
Vertical
Horizontal |
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|
Term
| Most vertical broaching machines___ the broach. |
|
Definition
| Pull. (Pull down or pull up machine) |
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|
Term
| What do most broaching machines use to either push or pull the broach? |
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Definition
|
|
Term
| What is the general cutting speed of a HSS broach? |
|
Definition
| Generally 20-25 SFPM (max 50 SFPM) |
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|
Term
| Rotary broaching tools are inclined at a? |
|
Definition
|
|
Term
| Can horizontal broaching machines can handle? |
|
Definition
| Longer broaches than vertical broaching machines |
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|
Term
| What is the accuracy of a rotary(wobble) broach? |
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Definition
|
|
Term
| How is a vertical or horizontal broaching machine sized? |
|
Definition
| Force in tons by Length of stroke (Inches) |
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|
Term
| Describe what a double cut broach is? |
|
Definition
| Has pairs of teeth the same height. First tooth has much wider chip breaker (Roughing tooth). The second tooth completes the cut (Finishing) |
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