JBW-500D computer control low temperature impact tester
1.test purpose
The JBW-500D computer control low temperature impact tester is to measure and determine anti-impact properties of metal materials in dynamic load.
2. test method
GB/T3808-2018 verification of pendulum type impact testing machines
ISO 148-2:2008 metallic materials-charpy pendulum impact test-part 2:verification of testing machines
GB/T229-2007 metallic materials-charpy pendulum impact test method
ISO 148-1:2006 metallic materials-charpy pendulum impact test-part 1:test method
3.features
3.1 single support column structure, cantilever hanging pendulum, U-type pendulum body
3.2 impact blade fixed by screws, easy and convenient for changing
3.3 simple supported beam support for samples
3.4 safe pin and protecting cover equipped with the machine
3.5 automatic control from pendulum rising, sample feeding, centering sample, impact and pendulum re-rising.
3.6 Adopt liquid nitrogen refrigeration, lowest temperature can be 196℃ below zero
4. technical specification
| No. | Item | Spec. |
| 1 | Impact energy | 500J,250J |
| 2 | Impact speed | 5.2m/s |
| 3 | Pendulum rising angle | 150° |
| 4 | Accuracy of angle | 0.1° |
| 5 | Span of sample supports | 40mm |
| 6 | Support jaw fillet | R1.0-1.5mm |
| 7 | Impact blade fillet | R2.0-2.5mm, R8mm |
| 8 | Thickness of impact blade | 16mm |
| 9 | Cooling method | Liquid nitrogen refrigeration |
| 10 | Capacity of sample box | 1 pcs |
| 11 | Low temperature range | 0-196℃ below zero |
| 12 | Temperature control accuracy | Fluctuation: ±0.2℃ Gradient: 3℃ |
| 13 | Distance between pendulum center and impact center | 750mm |
| 14 | Standard test sample | 10x10x55mm |
| 15 | Voltage and power | 3 phase 4 wire，50Hz,380V，180W |
| 16 | Dimension | 1600x850x1530mm |
| 17 | Weight | 880kg |
5. Standard configuration
| 1 | 500J main frame | 1 set |
| 2 | 500J,250J pendulum | 1 pc each |
| 3 | Motor(on main frame) | 1 set |
| 4 | Pendulum raise device(on main frame) | 1 set |
| 5 | Auto pendulum place device(on main frame) | 1 set |
| 6 | Sample auto feeding device(on main frame) | 1 set |
| 7 | Safe device(on main frame) | 1 set |
| 8 | Protecting cover | 1 set |
| 9 | Auto centering device | 1 set |
| 10 | Supports adjusting device | 1 pc |
| 11 | Sample centering device | 1 pc |
| 12 | Proximity switch | 1 pc |
| 13 | Computer | 1 set |
| 14 | Printer | 1 set |
| 15 | Special test software | 1 set |
| 16 | 30L liquid nitrogen cylinder | 1 set |
6. features of measuring and control system
6.1 Windows operating system, computer screen display, mouse click
6.2 software supports multiple pendulums
6.3 Record impact strength, impact energy and calculate max. value, min. value, mean value and standard deviation
6.4 auto deal with the test data, auto measuring swing cycle
6.5 Absolutely open for system parameters, convenient for clients and users understand and grasp system core
6.6 perfect data analyzing functions, suitable for complicated data analyzing
6.7 store test data in the form of ASC code, can be reprocessed by the user side with any general business report and word processing software
6.8 multiple testing machine can be connect to one single computer by install AD,I/O card.
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