Special Purpose Machine (SPM) are those machine which are not available off the shelf. These are not Covered in standard manufacturing programs. Therefore those have to be designed & tailor made as Per the customers specific requirements. They are also called as bespoke machines. SPM, Special Purpose Machines is a high productivity machine, with specially designed tooling and fixture, dedicated for mass producing the same component day in and day out. A judicious combination of limit switches, sensors, logic controls, automatic job clamping etc is the essence of a SPM. special purpose machines are in demand because they do the job they are created for more efficiently when compared against mass produced machines available in the market. This efficiency can be measured in two ways. In different words, people order special purpose machines for two reasons.