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ASTM D1709 Method A Method B Falling Dart Weight Impact Testing Machine ASTM D1709 Method A Method B Falling Dart Weight Impact Testing Machine

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ASTM D1709 Method A Method B Falling Dart Weight Impact Testing Machine

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Pressure of Gas Supply:0.6 MPa (outside of supply scope)
Port of Gas Supply:Φ8 mm PU Tubing
Specimen Size:>150 mm x 150 mm
Power Supply:AC 220V
  • DH-BMC

  • Dahometer

  • one set

  • A week

  • 12months,Lifelong maintenance

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ASTM D1709 Method A Method B Falling Dart Weight Impact Testing Machine

 

Application:


The equipment is suitable for measuring the impact mass and energy of plastic films or sheets when 50% of the sample is damaged under the impact of a free falling dart at a given height. By conducting impact resistance testing, we can prevent packaging surface damage from being impacted or dropped due to insufficient toughness of the packaging material, effectively preventing product damage due to impact or falling during the circulation process.

 

Features:

 

  • 2 test methods of A & B and automatic determination of testing status

  • Electromagnetic suspension and automatic release of the falling dart reduce the errors caused by manual operation

  • Pneumatic clamping, 2 starting modes of manual and pedal switch and built-in observation light are convenient to the user's operation

  • Professional software supports multi-unit result display, graphic display of testing process and data export and printing

  • Equipped with USB port and micro printer port which is convenient for data transmission and PC connection

 

Principle

Before starting the test, choose test method, and estimate an initial mass and Δm. Start the test. If the first specimen fails, decrease the mass of the falling dart by Δm. If the first specimen is not a failure, increase the mass of the falling dart by Δm. Continue the test according to this rule. In brief, increase or decrease by Δm according to whether the former specimen is a failure or not. After 20 specimens, calculate the total number of failed specimens N. If N equals to 10, the test is over. If N is less than 10, add specimens and continue to test until N equals to 10. If N is greater than 10, add specimen and continue the test until the number of non-failure specimens reaches 10. Then the tester calculates the test results automatically according to specific formulas.

 

Standards

 

This instrument conforms to various national and international standards:
ASTM D1709, ISO 7765-1-1988, JIS K7124-1, GB/T 9639.1-2008

 

Technical Specifications

 

Specifications

DH-BMC

Test Method

Method A or Method B is optional

Test Range

Method A: 50~2000 g 
Method B: 300~2000 g

Accuracy

0.1 g (0.1J)

Specimen Clamp

Pneumatic Clamp

Pressure of Gas Supply

0.6 MPa (outside of supply scope)

Port of Gas Supply

Φ8 mm PU Tubing

Specimen Size

> 150 mm x 150 mm

Power Supply

AC 220V 50Hz

Net Weight

70 kg

Instrument Dimension

Method A: 500 mm (L) x 450 mm (W) x 1320 mm (H)

Method B: 500 mm (L) x 450 mm (W) x 2160 mm (H)

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