Reliability Test Equipment Vibration Tester For Product Simulation Shake Test With ASTM Standard
Specifications
| system model | EV240 |
| frequency range (Hz) | 2-2500 |
| max sine force (Kg/KN) | 4000/40 |
| max displacement(mmp-p) | 50.8 |
| max acceleration(g) | 100 |
| max velocity(m/s) | 2.0 |
| max load(kg) | 800 |
| shaker model | VG4000/50 |
| armature weight(kg) | 40 |
| armature diameter(mm) | ¢400 |
| cooling method | forced cooling |
| shaker weight(kg) | 2500 |
| shaker dimensions(L*W*H) | 1400*980*1100mm |
| power amplifier model | Apm50k |
| power amplifier weight(kg) | 600 |
| AMP.dimensions(L*W*H) | 800*550*1920mm |
| power supply | 3PH AC380v±10% 50Hz |
| aggregate capacity power | 64KW |
Feature
- Rugged suspension system and linear motion guiding, strong carrying capacity, good guiding functions, high stability;
- Load center airbag has high static stiffness and low dynamic stiffness, strong carrying capacity, perfect performance on amplitude variation;
- High efficiency D class power switching, 3-sigma peak current, provide finest power consumption and minimize harmonic distortion;
- Quick self-diagnosis with safety interlock, high safety reliability;
- Airbag shock isolation device for vibration platform without the need of additional foundation, perfect reproduction of vibrational wave and reduce vibration transmittance;
- Provide horizontal and vertical expansion platform for different application;
- Simple controller operation
Standards: MIL-STD, DIN, ISO, ASTM, IEC, ISTA, GB, GJB, JIS, BS etc.
Applicable Industries: Automotive, Electronics, Aviation, Vessel, Telecommunication, Military Industry, Measuring Instrument etc.
| Service |
| Pre-Sales Service
1)Technical consultation: test method, laboratory planning and suggestion.
2)Equipment selection: selection scheme, FAQ.
3)Product testing scheme.
4)Customer communication and progress report. | After-Sales Service
1)Technical training: operation of equipment, daily maintenance, common fault diagnosis and troubleshooting.
2)Scheduled on-site service: Detection of problem as soon as possible in order to eliminate equipment and anthropogenic hazards. This is to ensure long term and stable equipment operation as well as delivery of latest technical information.
3)Technical support: special paid services are provided according to customer’s needs. |
FAQ:
How do you attach the hardware you’re testing to your shaker?
By means of a fixture, usually aluminum or magnesium for lightness coupled with rigidity. They can be cast, or smaller fixtures machined from solid stock. Most fixtures are welded.
How do you control shakers?
If we’re looking for resonances in the product we’re testing, we command the shaker to shake the product at one frequency at a time but to vary that test frequency, to sweep it over a range of frequencies.But more realistically, we command the shaker to vibrate randomly and to excite all the resonances simultaneously.Control commands go into the keyboard of a specially-programmed computer.
What are those resonances?Are they bad?
Have you ever noticed the steering wheel moving with rather large displacement amplitude, larger than the input to the column? That magnification is called resonance. Possibly it annoys you. There’s a slight chance that in a few years that whipping of the steering column might cause bending fatigue failure.When we shake an automotive or ship or land vehicle instrument, we're looking for, for example, portions of printed wiring boards (PWBs) responding with greater motion than we're inputting. That flexing may damage PWB wiring, it may damage the attached components, and it will damage the soldered connections between components and the PWB.
Product Details
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