43) Calculate the feed in mm/min for a 75 dia, six-teeth helical carbide milling cutter when machining a cast iron work piece (take cutting speed = 60 m/min and chip per tooth = 0.2)
Answer is:
307 mm/min
ISRO Technician-B Machinist Question Paper - 2019 (Set -1) with Answer Key
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Answer is:
Rs. 2200
Answer is:
Tumbler Gear
Explanation:
The tumbler gear unit consists of three gears, having the same number of teeth and it connects the spindle gear to the fixed gear. Tumbler gear unit is also called the reversing gear unit as it is used to change the direction of feed of the tool for the same direction of rotation of the spindle. Tumbler gear unit can be engaged and disengaged with the fixed stud gear by the operation of the hand lever provided in the unit.
Answer is: