Simple indexing using a dividing head of turn ratio 40 for 6 division would be

Question

Quizplus · Accepted Answer

DFor 6 divisions using a dividing head with a turn ratio of 40, the calculation is 40/6 = 6.6667. This means 6 full turns and an additional fraction of a turn. The fraction can be simplified to 2/3, which means using 2 holes in a 3-hole circle. However, since a 3-hole circle is not standard, we look for equivalent settings on standard plates. Option C is correct because it mentions 6 turns and uses a 21-hole circle plate, which is a common standard, but it lacks the specific hole count for the fractional turn. Option D correctly specifies 6 turns and 14 holes in a 30-hole circle plate, which is the equivalent to achieving the 2/3 of a turn needed (since 14 out of 30 holes is the same fraction as 2 out of 3).

Simple Indexing Using a Dividing Head of Turn Ratio 40