A pendulum impact testing machine control system and control method thereof

Abstract

The invention discloses a control system of a pendulum impact testing machine, which comprises a testing machine, a controller and a variable frequency driving device, the variable frequency driving device is connected with a driving motor and a speed detection device, the controller is connected to an industrial Ethernet switch, and the industrial Ethernet The remote operation computer and the on-site operation panel are respectively connected to the switch, and a position detection device is connected to the controller; the control method is also disclosed, and the steps are: a) preset the impact energy value; b) automatically calculate the target lifting position value; c) Positioning control of the lifted pendulum; d) Speed ​​control of the drive motor; e) Torque control of the drive motor; f) Current control of the variable frequency drive; g) Current output to the drive motor. The present invention only needs to simply input a data through the on-site operation panel to perform automatic and precise positioning of the lifting mechanism, and the whole process does not require manual intervention.

Description

technical field [0001] The invention belongs to the technical field of automation, and relates to a mechanical control system of an impact machine test platform, in particular to a pendulum impact test machine control system and a control method thereof. Background technique [0002] The horizontal impact testing machine is an instrument for testing the impact resistance of metal materials under dynamic loads. It is widely used in metallurgy, machinery manufacturing and other units. It is also an indispensable testing instrument for scientific research units to conduct research on new materials. [0003] The working principle of the horizontal impact machine testing machine: The impact testing machine uses the potential energy of the pendulum to impact the sample once. The pendulum is the impact mechanism of the impact machine, its function is to strike the test material, and it is an important part of the impact test platform. The pendulum is centered on the pendulum shaf...

AI Technical Summary

Problems solved by technology

However, relying on human eyes to observe whether the position is correct for manual operation cannot realize automatic control, the corresponding time is slow, and the accuracy cannot be guaranteed. It takes multiple adjustments to get a suitable position, which affects the test results.

Images