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what is mechanical shock

KRD17 Bidirectional Vertical Shock Test System

KRD17 series is a new designed fully automatic pneumatic lifting bidirectional shock test system with high degree of automation, simple operation and convenient maintenance. It is a bidirectional vertical shock test system developed for measuring and determining the impact resistance of large specimens without turning over them, and assesses the functional reliability and structural integrity of the specimens. It is especially used in the field of battery testing, can perform various conventional classic vertical upward and downward shock tests in one test table to realize the shock wave and impact energy suffered by the product in the actual environment. This equipment meets standards of IEC68-2-27, MIL-STD-202, MIL-STD-750, MIL-STD-810, MIL-STD-883, UN38.3 and other battery testing standards.

FEATURES OF KRD17 BIDIRECTIONAL VERTICAL SHOCK TEST SYSTEM


  • Circulating storage cylinder: strong impact, fast speed, and low air consumption

  • Adopt full pneumatic drive: simple structure, high reliability, no pollution

  • Bidirectional shock test: effectively complete the upward and downward shock tests without turning over UUT

  • Multiple functions: to complete the bidirectional shock and bump tests by one clamping, with high efficiency

  • High degree of automation: After the height setting is completed, the software automatically lifts the working table to the set height, with high accuracy and good repeatability

  • Multi-track guide pillar: combined with pneumatic balance lifting system, no noise, fully automatic positioning table

  • Built-in pneumatic brake mechanism, safe and reliable

  • High-performance buffer and vibration isolation device, no special foundation is needed, and it is easy to install

TECHNICAL SPECIFICATIONS OF KRD17 BIDIRECTIONAL VERTICAL SHOCK TEST SYSTEM


ModelKRDKRDKRDKRDKRDKRDKRD
Parameters17-5017-10017-20017-50017-80017-100017-2000
Rated Load (kg)5010020050080010002000
Table Size (mm)500×500600×600800×8001000×10001200×12001500×15002000×2000
Shock DirectionDownward
Peak Acc. (G)Half-Sine10-75010-60010-45010-30010-25010-20010-150
Post-Peak Sawtooth10-20010-20010-10010-10010-10010-10010-100
Trapezoid15-20015-20015-10015-10015-6015-6015-50
Pulse Duration (ms)Half-Sine1.5-602-602.5-604-604.5-605-606-60
Post-Peak Sawtooth3~186~18
Trapezoid3~183~186~18
Shock DirectionUpward
Shock WaveHalf Sine Wave
Peak Acceleration (G)15-35015-30015-20015-15015-10015-10015-75
Pulse Duration(ms)3.5-603.5-604-604.5-405.5-605.5-606-60
Overall Dimension (mm)1250×1250×16001250×1250×16001300×1300×17001350×1350×17501550×1550×17501650×1650×18502000×2000×1900
Weight (kg)3000320034004000500060008000
PowerAC220V ± 10%,50Hz
Air Source≤1MPa
Installation ConditionsFoundation-free, the cement floor shall be leveled and the working distance of 800 ~ 1000mm shall be reserved around the equipment
Working EnvironmentTemperature range 0 ~ 40℃; Humidity ≤ 80%, non-condense
Standards

IEC68-2-27 MIL-STD-202 MIL-STD-750 MIL-STD-810 MIL-STD-883 UN38.3 IEC62281 IEC62133-2

 UL2054 IEEE1625 SAEJ2929 IEC62660-2 ISO12405-3 UL2580


TABLE OF KRD17 BIDIRECTIONAL VERTICAL SHOCK TEST SYSTEM

This bidirectional shock test table is composed of a circulating air storage cylinder, a pneumatic self-locking control mechanism up and down each, a forward impact plate, a reverse impact plate, a locking mechanism, a base, and other parts.


The circulating accumulator is used as the shock power cylinder. The pneumatic brake device locks the table at the set position. The circulating accumulator is inflated. After the air pressure reaches the set value, the locking device is controlled to release, and the circulating storage cylinder drives the table to accelerate upward and downward movement, and impacts the waveform generator on the impact plate to produce the required shock waveform.

TABLE OF KRD17 BIDIRECTIONAL VERTICAL SHOCK TEST SYSTEM

DUAL MASS SHOCK AMPLIFIER OF KRD17 BIDIRECTIONAL VERTICAL SHOCK TEST SYSTEM

The shock amplifier is a device that uses the rebound energy of the ordinary impact shock table to realize the opposite impact between the servo table and the seat on the amplifier so that the impact acceleration is multiplied.

DUAL MASS SHOCK AMPLIFIER OF KRD17 BIDIRECTIONAL VERTICAL SHOCK TEST SYSTEM

WAVE GENERATORS OF KRD17 BIDIRECTIONAL VERTICAL SHOCK TEST SYSTEM

KRD17 series bidirectional shock test system is equipped with a half-sine wave generator. The half-sine wave generator is mainly made of engineering rubber (considering the stiffness and cohesive force of rubber) and felt pads of various thicknesses. Different thicknesses are connected in series to form multiple stiffnesses to achieve different shock pulse widths. Optional for post-peak sawtooth wave generator which is lead cone; trapezoidal wave generator air source is high-pressure nitrogen, the pressure range is 1-10MPa, and the overload value can be adjusted between 10-100g, as shown in the following figure:

half sine wave generator
half sine wave generator
post peak sawtooth wave generator
post peak sawtooth wave generator
trapezoidal wave generator
trapezoidal wave generator
CME TECHNOLOGY WELCOMES YOUR ENQUIRY AND FEEDBACK AT ANY TIME!
sales@cmetechnology.com
029-38128695
No.3 Upgrade Demonstration Base, West of Yongchang Rd., High-tech Zone, Xianyang City, Shaanxi Province, 712023 China
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No.3 Upgrade Demonstration Base, West of Yongchang Rd., High-tech Zone, Xianyang City, Shaanxi Province, 712023 China
CME TECHNOLOGY WELCOMES YOUR ENQUIRY AND FEEDBACK AT ANY TIME!
Talk to Us
No.3 Upgrade Demonstration Base, West of Yongchang Rd., High-tech Zone, Xianyang City, Shaanxi Province, 712023 China
sales@cmetechnology.com 029-38128695
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