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KRD11 Pneumatic Vertical Shock Test Machine

Name: KRD11 Pneumatic Vertical Shock Test Machine
Brand: CME Technology Co., Ltd.

KRD11 is a fully automatic pneumatic lifting vertical shock test machine. It is vertical shock test equipment with a novel design, high degree of automation, simple operation, and convenient maintenance. This pneumatic shock test machine is used to measure and determine the impact resistance of products or packaging and assess the functional reliability and structural integrity of the test product in a shock environment. KRD11 series pneumatic shock test system meets the requirements of both shock and bumps test, shock testing waveform including conventional half-sine wave, post-peak sawtooth wave, trapezoid wave, to realize the shock wave and shock energy that the product is subjected to in the actual environment, thereby improving the system or optimizing the structure of the product. This equipment meets standards of IEC68-2-27, MIL-STD-202, MIL-STD-750, MIL-STD-810, MIL-STD-883, etc.

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FEATURES OF KRD11 PNEUMATIC VERTICAL SHOCK TEST MACHINE

Pneumatic drive, simple structure and high reliability, without hydraulic leak risk.
Pollution free, without hydraulic leak risk and keep the environment clean.
Pneumatic drive greatly improves the shock test efficiency, maximum shock rate up to 120 times / min.
Impact testing for small pulse lower to 0.3ms.
Shock testing machine with high acceleration is up to 3000g.
It can easily realize large shock pulse width and small overload test.
With a fast shock rate comparing to motor or hydraulic driven collision-bump table, it has higher reliability and better collision-bump waveform.
The speed and rate of shock can be easily controlled by adjusting the gas pressure.
IPS-2000 shock control and measurement system can perform manual shock, continuous shock (bump test), single shock, and interval shock.
Built-in brake mechanism ensures the safety of operation in any situation.

Products

TECHNICAL SPECIFICATIONS OF KRD11 PNEUMATIC VERTICAL SHOCK TEST MACHINE

Model

KRD

Parameters

11－5

11－15

11－25

11－50

11－100

11－200

11－400

11－600

11－800

11－1000

11－2000

Rated Load (kg)

100

200

400

600

800

1000

2000

Table Size (mm)

150×150

200×200

300×300

500×500

600×600

800×600

800×800

1000×800

1000×1000

1200×1200

1500×1200

Peak Acc. (g)

Half-Sine

5-2500

5-2000

5-1500

10-750

10-600

10-450

10-400

10-300

10～300

10～250

10～150

Post-Peak

Sawtooth

10-200

10-100

10-50

Trapezoid

15-200

15-100

15-60

15-50

Pulse Duration (ms)

Half-Sine

0.4～40

0.5～40

0.6～60

1.5～60

2～60

2.5～60

3～60

3.5～60

4～60

4.5～60

6～60

Post-Peak

Sawtooth

3～18

6～18

Trapezoid

3～18

6～18

Bump Waveform

(Optional)

Half-sine Waveform

Bump Peak Acceleration

（g）

5~150

5~120

5~100

5~80

5~60

5~40

Bump Pulse Duration (ms)

2~30

3~30

4 ~ 30

5 ~ 30

Bump Rate

(Times/Min)

10~120

10~100

10~80

10~60

10~40

10~30

Overall Dimension (mm)

1000×1000

×2100

1000×1000

×2160

1510×1300

×2400

1690×1240

×2350

1710×1160

×2350

1910×1500

×2700

1910×1500

×2500

1900×1500

×2450

2000×1500

×2450

1900×1800

×2550

2200×1800

×2550

Weight (kg)

1300

2300

3000

3070

3900

4500

5000

5200

5600

6200

7300

Working Environment

Temperature range 0 ~ 40℃, Humidity≤80% (non-condensing)

Power

1-phase AC220V±10% 50Hz

Air source

≤0.8MPa

Installation

Condition

Foundation-free, the cement floor shall be leveled and the working distance of 800~1000mm shall be reserved around the equipment

Standards

MIL-STD-810 IEC68-2-27 MIL-STD-202 MIL-STD-750 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. Bump function, Post-peak Sawtooth and Trapezoid waveforms are optional.

TABLE OF KRD11 PNEUMATIC VERTICAL SHOCK TEST MACHINE

The test sample is installed on the worktable, which is guided by two high-precision sliding guides and can move up and down. The two cylinders are connected to the worktable by sliding guides. When the cylinders are inflated, the piston rod rises to drive the worktable to lift. The workbench is lifted. When it is raised to the set height, the cylinder quickly deflates, and the bottom surface of the worktable hits the waveform generator to complete a shock process.

By adjusting the rising height of the worktable, different initial shock speeds can be obtained, and thus different shock overload values can be obtained; while changing the stiffness of the waveform generator, different pulse width values can be obtained. The structure schematic diagram is shown in following figure:

TABLE OF KRD11 PNEUMATIC VERTICAL SHOCK TEST MACHINE

DUAL MASS SHOCK AMPLIFIER OF KRD11 PNEUMATIC VERTICAL SHOCK TEST MACHINE

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

Waveform Generators for KRD11 Pneumatic Vertical Shock Test Machine

KRD11 pneumatic 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: