258-ZA IMPACT TESTER (FULL AUTOMATIC)

No.258-ZA
IMPACT TESTER (FULL AUTOMATIC)

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Overview of IMPACT TESTER(FULL AUTOMATIC)

This is a pendulum impact tester designed to evaluate the impact resistance and toughness of plastics. This high-end model fully automates the entire sequence of operations for both Charpy and Izod impact tests. By simply loading the samples into the dedicated cartridges and inputting the test conditions via the software, up to 210 samples can be measured consecutively. When configured with a low-temperature chamber, samples are automatically transferred from the cartridge inside the chamber and set onto the anvil, precisely executing the striking action within 5 seconds as strictly required by test standards. While significantly reducing the operator’s workload, this system boasts overwhelming measurement precision that eliminates human error.

Charpy and Izod Impact Tests

Features

Fully Automated Impact Testing

Fully Automated Impact Testing

Up to 210 Consecutive Tests

Simply set the samples and input the test conditions into the dedicated software to conduct up to 210 consecutive tests. Automation reduces human error, relieves operators, and improves overall safety and efficiency.

*Option

No Interruption for Hammer Replacement

Automatic Charpy Hammer Switching (3 Capacities)

Three types of Charpy hammers can be automatically switched without interrupting the testing process. Even when switching between hammers with different capacities, tests can proceed continuously, significantly improving testing efficiency.
*Not compatible with Izod testing.

No Interruption for Hammer Replacement
Automatic Sample Dimension Measurement

*Option

Automatic Sample Dimension Measurement

Significantly Reduces Workload

This function automatically measures the sample dimensions, eliminating the need for manual measurement and input. After measuring the dimensions, the sample is automatically set at the testing position. The process from measuring the sample dimensions to aligning the notch position is completed in approximately 5 seconds.

*Option

Sample Collection Function

Automatically Collect Designated Samples

This function allows samples after impact to be automatically collected. By selecting the desired samples on the PC, they are collected automatically during testing. This is useful when observing the tested samples afterward.

Sample Collection Function
Input Tools for Increased Efficiency

Input Tools for Increased Efficiency

We offer three types of input tools that simplify sample dimension measurement. These tools significantly reduce measurement time and improve testing efficiency.

View Details

Specification

TemperatureRoom temperature
Option: -40°C to 80°C (with low-temperature chamber)
Main Unit Specifications・Electric hammer release
・Automatic hammer lifting mechanism
・Automatic sample setting
HammerEnergy capacity 0.5–15 J (Charpy), 1–22 J (Izod), automatic lifter, automatic stopper (disc brake)
AnvilAutomatic sample centering device, sample residue removing device
Number of Samples70 samples × 3 cartridges (total 210 samples)
*For sample size width 10 × thickness 4× length 80 mm
PC SoftwareAvailable for Windows
Power SourceAC 200 V 1-phase 10 A 50/60 Hz
With low temperature chamber: AC 200 V 3-phase 30 A 50/60 Hz
Air Source0.5 MPa and above
Dimensions and Weight(Approx.)W1,150×D1,050×H1,950 mm, 700 kg

Common specifications

StandardsJIS/ISOASTM
Reference StandardsJIS K 7111-1,ISO 179-1JIS K 7110,ISO 180ASTM D6110-10ASTM D256
Test MethodCharpy Impact TestIzod Impact TestCharpy Impact TestIzod Impact Test
Hammer Energy Capacity (J)*10.5, 1, 2, 4, 57.5, 15, 25*21, 2.75, 5.5, 11, 222.7 and above (past results: 0.5, 1, 2, 4, 5, 7.5, 15, 25)2.7 to 21.7 (past results: 1, 2.75, 5.5, 11, 22)
Anvil Lift for CharpyRequired––––
Impact Velocity2.9m/s3.8m/s3.5m/s3.46m/s3.5m/s
Hammer Release Angle150°
HammerRefer to the respective sections below for details.
AnvilRefer to the respective sections below for details.
*1 Hammer capacities other than the standard options can also be manufactured. Please inquire if hammers in kgf·cm units are required.
*2 Hammers with a capacity of 50 J are not available.

Hammer

Charpy Hammers

Charpy Hammers
StandardPotential EnergyImpact VelocityAngle of Striking EdgeRadius of Striking Edge
ISO/JIS0.5J2.9m/s30±1°R2±0.5mm
1J
2J
4J
5J
7.5J3.8m/s
15J
25J
ASTM2.7 and above (past results: 0.5, 1, 2, 4, 5, 7.5, 15, 25)3.46m/sR3.17±0.12mm

The characteristics of the Charpy hammers differ between the test standards as shown in the table above. In ISO and JIS standards, the hammer length changes according to the impact velocity. Therefore, the same hammer cannot be used to create, for example, a 4 J impact and 7.5 J impact. Two different hammers must be prepared.

Izod Hammers

Izod Hammers
StandardPotential EnergyImpact VelocityRadius of Striking Edge
ISO/
JIS		1J3.5m/sR0.8±0.2mm
2.75J
5.5J
11J
22J
ASTM2.7-21.7J3.5m/sR0.8±0.2mm

The same hammer is sometimes used between ISO (or JIS) and ASTM impact tests as the details of the hammers specified in the two standards are similar. However, to be precise, the shape of the striking edge differs between the standards as shown in the above image. Therefore, to conform to the test standards, hammers that match the test standard shall be used.

Anvil

Charpy Anvil

Charpy Anvil
SymbolParameterISO/JISASTM
ーParallelism between long axis of test sample and reference plane±4/1000ー
R2Radius of curvature of anvils1±0.1 mm3.17±0.12 mm
θ2Angle of taper of anvils10±1 °0
θ3Angle of slope of anvils5±1 °0
ーAngle of supports and anvils90±0.1 °90°
LSpan between sample supports62±(0.5/0) mm101.6±0.5 mm

The shape of the anvil differs between ISO (or JIS) and ASTM standards. Therefore, to perform both ISO and ASTM standardized tests, two different anvils shall be prepared.

Izod Anvil

Izod Anvil
SymbolParameterJIS/ISOASTM
ーSample angle90±2 °ー
ーParallelism with face of reference sample±0.025 mmー
P2Horizontality of top surface of vise±3/1000ー
θ2Angle between support block and top surface of vise90±0.5 °ー
P3Parallelism in horizontal and vertical direction±0.05 mmー
R2Top edge radius of support0.2±0.1 mm0.25±0.12 mm

In strict terms the anvil shapes differ between ISO (JIS) and ASTM standards, but are sometimes used mutually as the differences are minor.

Options of IMPACT TESTER  (FULL AUTOMATIC)

Automatic Sample Measuring Device

This function automatically measures the dimensions of the sample, eliminating the need for manual measurement and input, thereby significantly reducing workload.

Automatic Charpy Hammer Switching (3 Hammers)

This function allows for the automatic switching between three hammer capacities. Even when hammers with different capacities are used, the tests can be proceeded continuously without interruptions caused by hammer replacement.

Turntable Bin for Collecting Tested Samples (19 samples)

This function automatically collects tested samples. By selecting the desired samples on the PC software, they are automatically retrieved after impact. This is particularly useful when samples need to be inspected after testing.

Charpy Hammer Height Adjustment Device

Adjusts the height of the hammer when using hammers of different lengths.

Low-Temperature Chamber Specifications (-40℃ to 80℃)

Equipped with a built-in low-temperature chamber, this function supports testing at temperatures as low as -40℃.

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