Abstract
This paper describes the design process of a high-speed cutting press with a linkage mechanism in its drive train. The whole process is carried out for a virtual prototype. The kinematic and dynamic properties of the six-bar linkage mechanism are optimised regarding boundary conditions coming from the production process and kinematic requirements. Using a rigid body model, the geometric dimensions and inertia parameters of the links of the mechanism can be determined. A finite-element (FE) model is build up to check the parts’ durability during work load. A verification of main results is realised on an experimental prototype made from rapid prototyping material.
Highlights
Research on high-speed cutting in the blanking process is motivated by experimental studies, which have shown, that high cutting velocities (> 0.8 m/s [1]) lead to changed cutting edge characteristics when blanking metal parts
The kinematic and dynamic properties of the six-bar linkage mechanism are optimised regarding boundary conditions coming from the production process and kinematic requirements
In order to realise high-speed cutting on mechanical presses and with it open its way into mass production, a new concept for the presses driving unit design is followed
Summary
Research on high-speed cutting in the blanking process is motivated by experimental studies, which have shown, that high cutting velocities (> 0.8 m/s [1]) lead to changed cutting edge characteristics when blanking metal parts. This paper describes the design process of a high-speed cutting press with a linkage mechanism in its drive train. In order to realise high-speed cutting on mechanical presses and with it open its way into mass production, a new concept for the presses driving unit design is followed.
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