Automatic indexing Mechanism for Drilling Machine.

Project Abstract / Summary : The process of drilling along PCD is quite commonly used. Most of TWO WHEELER vehicles have disc brakes which have holes along PCDs, couplings, flywheels etc. To meet the demand of such jobs, the manufacturing is carried on NCs, CNCs etc. The main difficulty in such machining technology is requirement of huge capital and skilled operators.

Hence this Drilling Machine Indexing Mechanism focuses on designing simple drilling table where in the drill bit won’t be carried from one position to other but the job itself will be aligned in such a fashion that on simple rotation of worm the new position will be achieved.

Based on simple engineering knowledge, assembly is designed and fabricated so as to reduce over head losses when it comes to drilling along PCD (Pitch Circle Diameter). Indexing process is well known to us when it comes to gear manufacturing but we are introducing same process but without bulky indexing plate assembly in drilling operation.

The construction consists of assembly of worm and worm wheel mounted on vertical shaft which further carries Rotary round table on upper side with sensor. The indexing table is powered by small electrical motor. The speed of table is control by the speed regulator. The operator needs to rotate worm through few degrees to achieve desired Position of the job which contains the several holes .

Compared to available indexing mechanism the cost of this Drilling Machine Indexing Mechanism is quite less. Again, as compared to other automated machine the investment here is quite low. Hence this Drilling Machine Indexing Mechanism holds low initial cost, low operating cost, low maintenance cost & low construction cost.

Since no electricity is use to generate rotational motion there are no electric losses. These days manufacturing deal with automation and hi-tech processes consuming huge power supply. In such scenario our Drilling Machine Indexing Mechanism provides not only the speed but also Manual Handling.

Why did you choose to work on this project topic : once we visited a work shop. In that workshop we observed that making hole on job having several hole in different fashion was consuming much time for is mounting and dismounting for changing position. To reduce this time of wastage and offer partial automation. It provide partial automation and reduce in time of manufacturing of jobs.

Project Category : Mechanical / Automobile / Aeronautical
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Institute/College Name: Adarsh Institute of Technology, Vita, Sangli.
City: Sangli
State: Maharashtra
Participating Team From: Final Year

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