ECKOLD AG
A history of innovations.
Metal sheet forming is the process of mechanical transformation that consists in shaping a flat disk (“blank”) to the shape of a die, by applying forces transmitted through a punch.
In operation, there are: elongation and contraction of the dimensions of all volume elements, in three dimensions. The plate, originally flat, acquires a new geometric shape.
Classification of Processes: The forming of thin metal sheets can be classified according to the type of operation used. So you can have: deep stamping, press cutting, stretching, etc.
Most of the serial production of shaped parts from thin sheets is carried out in mechanical or hydraulic presses.
In mechanical presses energy is generally stored in a flywheel and transferred to the movable slide in the press plunger. Mechanical presses are almost always fast acting and apply short strokes, while hydraulic presses are slower acting but can apply longer strokes. Presses can be single-acting or double-acting.
Sometimes the drop hammer can be used in forming thin sheets. The hammer does not allow the force to be controlled as well as in presses, so it is not suitable for more severe forming operations.
The basic tools used in a metal part forming press are the punch and die.
The punch, normally the movable element, is the convex tool that couples with the concave die. As accurate alignment between die and punch is required, it is common to keep them permanently mounted in a subpress, or die holder, which can be quickly inserted into the press.
ECKOLD has always been a company with an innovative and pioneering spirit. Our customers experience this attitude of innovative and sophisticated solutions, as well as the sensitivity to their needs and personal and competent service. Being close to our customers and suppliers and strong engineering provide optimized solutions and real value.
Tecnoar represents in the North of Portugal the Eckold brand, sheet forming.
