1. Equipment Introduction:

This machine is mainly used to test the plastic deformation performance of metal sheets and strips. It is clamped by an oil cylinder, and the oil cylinder breaks the sample. It has the function of automatically stopping when cracks appear in the sheet, and is equipped with a camera to more accurately determine the cup protrusion value at the moment of crack occurrence. This machine adopts microcomputer control for the entire testing process, displaying real-time dynamic clamping load value, stamping load value, cup protrusion value, testing speed and testing curve. It is a commonly used equipment for metal sheet and strip production enterprises, quality inspection units, steel research institutes and other units.

2. Technical parameters:

1) Standard sample thickness 0.1-2mm
2) Sample size 110mm * 110mm
3) Maximum impact force 60kN
4) Maximum clamping force 25kN
5) Load force measurement accuracy ± 1%
6) Displacement measurement accuracy ± 1%
7) Cup protrusion mold stroke 60mm
8) Clamp the sample with a stroke of 50mm
9) Cup protrusion mold specification S Ø 20 ± 0.05mm

3. Equipment features:

1) Equipped with automatic parking function when cracks appear on the board;

2) Comes with a 500W pixel CCD high-definition camera, which can more accurately determine the cupping value at the moment of crack detection

3) Adopting STM32 control chip and high-precision AD conversion chip, it has the advantages of high integration, powerful control function, high data processing capability, and high reliability

4) Using the upper computer for the entire testing process, the clamping load value, stamping load value, cup protrusion value, testing speed, and testing curve are dynamically displayed in real time

5) The experimental software has strong data and graphics processing functions, and can print out complete experimental reports and curves in real time

6) The spherical part of the punch is replaced with hardened steel balls, making it easier to ensure surface roughness, hardness, and tolerances

7) The cup protrusion value is measured using a grating ruler (displacement sensor), with a reading resolution of up to 0.001mm

8) Equipped with peak memory function, it can record the maximum force value during the experimental process

9) Can easily adjust the clamping load pressure

10) Compact structure, simple and convenient operation

4. Meet the standards:

1) GB/T 4156-2007 Metallic materials - Thin sheets and strips - Erickson cupping test

2) JJG 583-88 Cup protrusion testing machine

3) JB/T 7408-94 Cup protrusion testing machine technical specifications