This article presents the results of a research in the field of precision machines
design. The main design criteria used is the production of small
batches. A classical type of punching machine was designed, built and
tested. The construction was carried out using numerically controlled
machine tools without the use of complex assemblies. The results showed
high levels of dimensional and geometrical errors. Therefore, it is considered
a modified and original design with a smaller accumulative error
rate and the same method of manufacture. This index is compared in
relation to the variation in design parameters so that does not change the
final cost of the equipment. The aim is to increase production workshops
precision machines in emerging markets.
Keywords: CAD-CAM, CNC, machine design, punching, precision
machine.