Chucks 3 Flashcards
A _____ chuck is for holding the shank of a drill
Jacobs
_____ ______ Jacobs is the founder of Jacobs Chuck Manufacturing Co. in what year.
Arthur Irving, 1902
Jacobs chuck is now called a
Drill Chuck
____chucks do not use a tool for locking/unlocking
Keyless
A ______ chuck is used for very small diameter.
Pin
The mechanical arrangement of a pin chuck is akin to a
collet chuck
Strong threads(rolled threads) are a necessity for bolts but not for _________ where accuracy is more important
Leadscrews
The coordination of ____ and ____ is need for thread cutting
rotational speed and feed rate
For production thread cutting a ____ ____ is used
Thread chaser
______ thread chasers cut external threads
Tangential-type
________ thread chasers cut internal threads
Circular-type
A _______ ________ _______ is used for cutting external threads by hand
Thread cutting die
a ____ ____ is used to hold a die
Die wrench
The cutting sequence for a thread cutting die
1 turn back 1/4 turn repeat
Cutting internal thread by hand is done by using a
Tap
