HELICAL GEAR FLUTES MILLING AND REAMERS - Practice Mode

1) Which milling machine is suitable for helical milling?

Horizontal milling machine Universal milling machine Pantograph milling machine Vertical milling machine

Correct Answer: Universal milling machine

2) When you cut left hand helix which direction must be swivelled the table in the milling machine?

Counter clock wise direction Clock wise direction Table filting downward position Table at stable condition

Correct Answer: Clock wise direction

3) Calculate the real module in helical gear the pitch diameter (PD) is 100 mm and number of teeth 19.

5.00 mm 0.19 mm 5.26 mm 20 mm

Correct Answer: 5.26 mm

4) Which type of gear is used for high speed running and heavy duty gear drives

Spur gear Helical gear Angular gear Worm and Worm gear

Correct Answer: Helical gear

5) Why reamers have uneven spacing of teeth?

To be maintain the hole diameter To be cut excessive material To be cut less material To reduce chattering

Correct Answer: To reduce chattering

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