Technical problems of vibration test-bed

Table size: horizontal 50 × 50 × 25: mm; vertical 50 × 50 × 15: mm; fixed frequency model: vertical: ld-l; horizontal: ld-hl; vertical + horizontal: ld-tl frequency modulation model: (1-600hz) vertical: ld-f; horizontal: ld-hf; vertical + horizontal: ld-tf frequency modulation model: (1-600hz with computer) Vertical: ld-pf horizontal: ld-phf vertical + horizontal: ld-ptt FM model: (1-5000hz) vertical: ld-t horizontal: ld-ht vertical + horizontal: ld-tt FM model: (1-5000hz with computer) vertical: ld-pt horizontal: ld-pht vertical + horizontal: ld-ptt I Product Description: Because any product will produce collision and vibration in transportation, use, storage and so on, which will cause the product to produce bad in a certain period of time, seriously affect the use of the product and unnecessary economic loss In order to avoid this situation, we need to know the vibration resistance life of the product or the parts in the product in advance 2、 Technical parameters 1 Vibration table size L × w (CM): 30 × 30, 50 × 50, 75 × 75, 100 × 100 2 Table size L × h × w (CM): vertical 30 × 20 × 30, 50 × 20 × 50, 75 × 20 × 75, 100 × 20 × 100 horizontal 30 × 25 × 30, 50 × 25 × 50, 75 × 25 × 75, 100 × 25 × 100 3 Vibration direction: vertical (up and down) / horizontal (front and rear left and right) 4 Zui large test load kg: 100 5, frequency modulation function 1 ～ (600Hz, 5000Hz customized by the customer) any frequency within the frequency range must be (Zui large acceleration < 20g, Zui large amplitude < 5mm) 6, frequency sweep function 1 ～ (600Hz, 5000Hz customized by the customer): (upper limit frequency / lower limit frequency / time range) real standard can be set at will to sweep back frequency 7, programmable function 1 ～ (600Hz, 5000Hz customer defined): 15 segments can be set arbitrarily (frequency / time) can be cycled 8 Frequency doubling function (1-600hz): 15 segments are multiplied, ① Low frequency to high frequency ② High frequency to low frequency ③ Low frequency to high frequency then to low frequency / recyclable 9 Logarithmic function 1 to (600Hz, 5000Hz custom setting): ① Down frequency to up frequency ② Up frequency to down frequency ③ Down frequency to up frequency and then to down frequency -- three modes logarithmic / recyclable 10 Vibrator power (kw): 2.211 Amplitude (adjustable range: mmp-p): 0 ～ 5mm 12 Zui large acceleration: 20G 13 Vibration waveform: sine wave 14 Time control: any time can be set (in seconds) 15 Power supply voltage (V): 220 + 20% 16 Zui high current (a): 5 17 Full function computer control (purchased separately): 485 communication interface if you want to connect the computer for control, storage and recording, For printing function, you need to buy another interface card type computer 18 Precision: frequency can be displayed to 0.01Hz, precision 0.1Hz 19 Display amplitude acceleration (separately purchased): if you need to see amplitude, acceleration, Zui large acceleration, accurate figures, you need to buy another measuring instrument 20, Zui large acceleration 20G (unit: G) Zui big acceleration = 0.002 × F2 (frequency Hz) × D (amplitude p-pmm) for example: 10hzzui big acceleration = 0.002 × 102 × 5 = 1g under any frequency Zui acceleration cannot be greater than 20g 21 Zui big amplitude 5mm Zui big amplitude = 20 / (0.002 × F2) for example: 100hzzui big amplitude = 20 / (0.002 × 1002) = 1mm Under any frequency, the amplitude shall not be greater than 5mm 22 Conversion of acceleration and amplitude 1g = 9.8m/s2 23 The larger the frequency, the smaller the amplitude 3 In accordance with the standard: GB / 2423 iec68-2-6 (FC) jjg189-97 GB / t13309-91