Labtone Test Equipment Co., Ltd
Vibration and Shock Test Equipment for over 20 years
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15-60Hz Mechanical Shaker Table Vibration Bench For Production Line Vibration Testing
Economy mechanical vibration test machine Application
This series of vibration testers is applicable for vibration and engineering testing vertically in laboratory as well as production line. The structure of the vibration tester is reasonable with good reliability, simple operation and is cost effective.
Specifications
| Model | VB60S |
| Frequency(Hz) | 15—60 |
| Displacement (mmp-p) | 2.5 |
| Acceleration range | 14g |
| Max. payload(kg) | 50kg |
| Table size(L×W) | 600×500mm |
| Test pattern | fixed frequency ,sweep frequency |
| Power supply | AC 220V |
| Machine dimension | 560*610*315mm |
| machine weight | 140kg |
Services
Presales:
a.Technical consultation: test method, laboratory planning and suggestion.
b. Equipment selection: selection scheme, FAQ.
c. Product testing scheme.
In-Sales:
a. Customer communication and progress report.
b. Guidance for pre-installation preparation, equipment commissioning and test run.
c. Calibration (when Third Party’s verification is required).
After-Sales:
a. Technical training: operation of equipment, daily maintenance, common fault diagnosis and
troubleshooting.
b. 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.
c. 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.
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