Indexing Head Calculator

Designed to help his father with the calculations to cut varying number of toothed wheels.

Indexing head calculator. All you need to do is enter a value for divisions and click the calculate button. Simple indexing mechanism. For indexing the dividing head spindle is turned by the index crank. Your dividing head may be equipped with dividing rings having different numbers of holes to those shown here.

The ratio below describes how many turns of the handle makes the table rotate one full revolution. If that is the case refer to the item below changing the number of indexing holes. I am working on a dividing head calculator phone app and need some help with the math. So i am guessing that is the 5 turns but what math do i need to do to get the 35 holes on a 49 plate from the 71 or am i going about this all the wrong way.

An indexing head also known as a dividing head or spiral head is a specialized tool that allows a workpiece to be circularly indexed. 40 1 dividing head and i want to divide 7 times then i turn handle 5 turns and 35 holes on a 49 hole plate. Dividing head calculator is a simple program to help mechanical engineers and students. This calculator can be used for both rotary tables and indexing heads.

How to use the dividing head and. Index plate hole calculator. The dividing head calculator is based on a standard 401 turns ratio. How to cut spur gears on a milling machine using a dividing head marc.

I know that you divide 40 by 7 and get 571. The worm shaft carrying the crank has a single threaded worm which meshes with worm gear having 40 teeth 40 turns of the crank are necessary to rotate the index head spindle through one revolution. That is easily and precisely rotated to preset angles or circular divisionsindexing heads are usually used on the tables of milling machines but may be used on many other machine tools including drill presses grinders and boring machines.