I am developing a robot for drilling and have a design available , just not sure how much force is to be applied on the drilling m achine to drill a hole on a concrete wall . Need some help urgently
Unfortunately no specific experience in that field. Can you ask people in the field, or in the industry?
Thanks , can you help me with the torque calculation and motor selection
Unfortunately those calculations are beyond the support we can provide - it would simply be easiest to measure it somehow (torque and force required).
Note that the bit itself will greatly affect both figured. Start with the torque / gear ratio etc. of an impact hammer.