SM1.604 Fully Auto Erichsen Cupping testing machine

1.Overview
It is mainly used to test the plastic deformation performance of metal sheets and strips. It is clamped and broken through hydraulic power. It has the function of automatic stopping when cracks appear in the sheet metal; It is also equipped with a camera, which can accurately determine the cupping value at the moment of crack occurrence through video playback function. 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.Standards
1.GB/T4156-2007 Metallic materials – thin plates and strips – Erichsen cupping test
2.JJG 583-88 Cupping testing machine
3.JB/T 7408-94 Cupping testing machine technical specifications

3.Working principle
The equipment uses hydraulic fixtures to clamp the metal sheet sample, and another oil cylinder drives the punch to slowly push the middle of the sample. A pressure sensor measures the oil pressure of the hydraulic system to convert the pressure of the punch on the sample. The metal sheet sample will continuously deform and protrude under the action of the punch. When the sample is broken, the system pressure will sharply decrease. At this time, the control system will detect this change, automatically stop and record the pressure value and displacement caused by the impact of the broken sample, and obtain the desired test result.

4.Features
4.1 It has the function of automatic stop when cracks appear on the board; It is also equipped with a camera, which can accurately determine the cupping value at the moment of crack occurrence through video playback function
4.2 Adopting a high-speed DSP platform, compared with testing machines using other processors, it has the advantages of high integration, powerful control functions, high data processing capabilities, and high reliability
4.3 Adopting microcomputer control throughout the entire testing process, real-time dynamic display of clamping load value, stamping load value, cupping value, testing speed, and testing curve
4.4 The software has strong data and graphics processing functions, and can print out complete experimental reports and curves in real time
4.5 The spherical part of the punch is replaced with hardened steel balls, making it easier to ensure surface roughness, hardness, and tolerances
4.6 Cupping value is measured using a grating sensor(displacement sensor), with a reading resolution of up to 0.001mm
4.7 It has peak memory function, which can record the maximum force value during the test process
4.8 Convenient adjustment of clamping force
4.9 Compact structure, simple and convenient operation

5.Main technical parameters
5.1 Plate thickness for standard testing: 0.1~2mm
5.2 Plate thickness for Non standard testing: 0.1~3mm
5.3 Maximum plate width: 100mm
5.4 Maximum stamping load: 60kN
5.5 Maximum clamping load: 25kN
5.6 Load accuracy: ± 1%
5.7 Deformation measurement accuracy: ± 0.02mm
5.8 Maximum punch stroke: 60mm
5.9 Clamping piston stroke: 50mm
5.10 Standard punch specifications: S Ø 20 ± 0.05mm
5.11 Non standard punch specifications: S Ø 15 ± 0.02mm, S Ø 8 ± 0.02mm
5.12 Hydraulic oil: L-HM46 hydraulic oil or equivalent in performance
5.13 Hydraulic oil volume: approximately 20L (to be provided by the user)
5.14 Overall dimensions of the host (length * width * height):
1103mm * 513mm * 1130mm
5.15 Host power supply: AC three-phase five wire 380V ± 10% 50Hz 1.5kW
5.16 Host weight: approximately 150kg
6.Main Components
6.1 Host: 1pc
6.2 Hydraulic system: 1 set
6.3 100kN load cell:1 set
6.4 Control System: 1 set
6.5 Camera: 1 set
6.6 Grating sensor: 1pc
6.7 Verticality inspection tool: 1 set
6.8 Coaxiality inspection tool: 1set
6.9 Load inspection tool: 1 set
6.10 Standard mold: 1 set (including S Ø 20 ± 0.05mm)
6.11 Lenovo series computer: 1pc
6.12 Test software: 1 set (with CD)

7.Configuration list