Rigid Body Assembly Impact Models for Adiabatic Cutoff Equipments
This paper is concerned with systems consisting of components colliding with each other. In particular, a high velocity adiabatic impact cutoff machine is investigated. For general understanding of the impact dynamics (affected by a large number of parameters), the mechanisms are modelled in a simpl...
Saved in:
| Main Authors: | , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Institute of Fundamental Technological Research
2014-09-01
|
| Series: | Engineering Transactions |
| Subjects: | |
| Online Access: | https://et.ippt.pan.pl/index.php/et/article/view/203 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| Summary: | This paper is concerned with systems consisting of components colliding with each other. In particular, a high velocity adiabatic impact cutoff machine is investigated. For general understanding of the impact dynamics (affected by a large number of parameters), the mechanisms are modelled in a simplified and accurate manner. Two simple models are developed: the energy-balance model and the spring-mass model. The energy-balance model is based on the principle of total energy conservation. It provides only the punch minimum kinetic energy required for efficient cutting. Concerning the spring-mass model, the different components are represented by rigid masses and their deformations are modelled by springs (linear or nonlinear in the case of contact stiffness). The resulting non-linear equations are solved using the Newmark numerical technique. The impact force, velocity, displacement and acceleration histories are calculated what makes possible a fine description of the cutoff cycle steps. The two models are helpful for both the design and tuning of the mechanisms involving impacts between their components. |
|---|---|
| ISSN: | 0867-888X 2450-8071 |