KRD17 Bidirectional Vertical Shock Test System

Name: KRD17 Bidirectional Vertical Shock Test System
Brand: CME Technology Co., Ltd.

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.

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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

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TECHNICAL SPECIFICATIONS OF KRD17 BIDIRECTIONAL VERTICAL SHOCK TEST SYSTEM

Model		KRD	KRD	KRD	KRD	KRD	KRD	KRD
Parameters		17－50	17－100	17－200	17－500	17－800	17－1000	17－2000
Rated Load (kg)		50	100	200	500	800	1000	2000
Table Size (mm)		500×500	600×600	800×800	1000×1000	1200×1200	1500×1500	2000×2000
Shock Direction		Downward
Peak Acc. (g)	Half-Sine	10-750	10-600	10-450	10-300	10-250	10-200	10-150
	Post-Peak Sawtooth	10-200	10-200	10-100	10-100	10-100	10-100	10-100
	Trapezoid	15-200	15-200	15-100	15-100	15-60	15-60	15-50
Pulse Duration (ms)	Half-Sine	1.5-60	2-60	2.5-60	4-60	4.5-60	5-60	6-60
	Post-Peak Sawtooth	3～18			6～18
	Trapezoid	3～18	3～18	6～18
Shock Direction		Upward
Shock Wave		Half Sine Waveform
Peak Acceleration (G)		15-350	15-300	15-200	15-150	15-100	15-100	15-75
Pulse Duration (ms)		3.5-60	3.5-60	4-60	4.5-40	5.5-60	5.5-60	6-60
Overall Dimension (mm)		1250×1250×1600	1250×1250×1600	1300×1300×1700	1350×1350×1750	1550×1550×1750	1650×1650×1850	2000×2000×1900
Weight (kg)		3000	3200	3400	4000	5000	6000	8000
Power		1-phase AC220V±10% 50Hz
Air Source		≤1MPa
Installation Condition		Foundation-free, the cement floor shall be leveled and the working distance of 800 ~ 1000mm shall be reserved around the equipment
Working Environment		Temperature range 0 ~ 40℃, Humidity≤80% (non-condensing)
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

Note: 1. The parameters in the table are for reference only, and the parameters agreed upon by the supplier and the buyer shall prevail.

2. Post-peak Sawtooth and Trapezoid waveforms are optional.

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.

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: