RACK SPUR GEAR MILLING BORING - Practice Mode

1) Which type of machine is generally used for wood ruff key way cutting?

Shaper Slotter Vertical milling Horizontal milling

Correct Answer: Vertical milling

2) Which machine is provided with the over arm support for reduce chattering?

Vertical milling machine Shaping machine Horizontal mlling machine Slotting machine

Correct Answer: Shaping machine

3) Which formula is used to find out the linear pitch of a rack?

(A-Z)40 Pi x m 40/z Pi x m/2

Correct Answer: Pi x m

4) How length of rack is calculated?

Linear pitch x Number of teeth Module x Number of teeth 2.25 x module Pi x module

Correct Answer: Linear pitch x Number of teeth

5) Which formula is used to calculate chrodal addendum of a gear tooth?

Pi x m m x Z m Z sin(90/z) (Z+2)M

Correct Answer: m Z sin(90/z)

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