3 vs 4 jaw lathe chucks: Difference between revisions

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(Created page with 'from http://www.mini-lathe.com/Mini_lathe/Chucks/4_jaw/4-Jaw.htm#4-Jaw%20Chucks : Benefits of a 3-jaw: 1. self-centering 2. can hold hex bar-stock 3. quick and easy to use. Di...')
 
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Benefits of a 3-jaw:
Benefits of a 3-jaw:
1. self-centering
1. self-centering
2. can hold hex bar-stock
2. can hold hex bar-stock
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Disadvantages of a 3-jaw:
Disadvantages of a 3-jaw:
1. can't hold square bar-stock
1. can't hold square bar-stock
2. run-out/off-center can't be easily fixed
2. run-out/off-center can't be easily fixed
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Advantages of a 4-jaw:
Advantages of a 4-jaw:
1. work can be centered to high precision
1. work can be centered to high precision
2. can handle square/rectangular bar
2. can handle square/rectangular bar
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Disadvantages of a 4-jaw:
Disadvantages of a 4-jaw:
1. slower/fiddlier to mount work (dial-indicator required)
1. slower/fiddlier to mount work (dial-indicator required)
2. can't hold hex-stock
2. can't hold hex-stock


[[Category:Lathe]]
[[Category:Lathe]]

Revision as of 18:13, 12 March 2009

from http://www.mini-lathe.com/Mini_lathe/Chucks/4_jaw/4-Jaw.htm#4-Jaw%20Chucks :

Benefits of a 3-jaw:

1. self-centering 2. can hold hex bar-stock 3. quick and easy to use.

Disadvantages of a 3-jaw:

1. can't hold square bar-stock 2. run-out/off-center can't be easily fixed 3. can't hold irregularly shaped work 4. can't turn off-center

Advantages of a 4-jaw:

1. work can be centered to high precision 2. can handle square/rectangular bar 3. can turn work off-center 4. slightly more grip on round stock

Disadvantages of a 4-jaw:

1. slower/fiddlier to mount work (dial-indicator required) 2. can't hold hex-stock