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According to your company's requirements for impact testing, the following products can meet the inspection of impact testing machines:
1、Pendulum impact testing machine: JB-300B
Executive standard: GB/T3808 "Inspection of Pendulum Impact Testing Machines"
GB/T229 "Metal Charpy Notch Impact Test Method"
JJG 145 Pendulum Impact Testing Machine
2、Hydraulic broaching machine for impact specimen notch: LY71-UV
Executive standard: GB/T229 "Metal Charpy Notch Impact Test Method" for specimen notches
3、Low temperature tank for impact specimens: DWC-60
Executive standard: Requirements for low-temperature devices in GB/T229 "Charpy notch impact test method for metals"
4、Impact specimen notch projector: XT-50
Executive standard: GB/T229 "Metal Charpy Impact Test Method" requires notch requirements for impact specimens
JB-300B Pendulum Impact Tester
1.Product Overview
（1） Principle
The JB series impact testing machine produced by our company is a product developed strictly in accordance with the national standard GB/T3808 "Inspection of Pendulum Impact Testing Machines". It conducts impact tests on metal materials in accordance with the national standard GB/T229 "Charpy Notch Impact Test Method for Metals" and conducts factory inspections in accordance with JJG145-82 "Pendulum Impact Testing Machines". The cross-section of the used pattern is 10 * 10mm. Mainly for testing black metals with high impact toughness, especially steel and its alloys.
The testing principle of this product is to display the difference between the potential energy before and after the impact of the pendulum on the dial, in order to obtain the absorption energy of the tested sample.
（2） Product features
In terms of operation, semi-automatic control is adopted, which is easy to operate and has high work efficiency. The remaining energy after using the pendulum to break the sample can not only automatically swing, but also demonstrate its superiority in continuous impact testing of the sample.
The host adopts a reducer transmission method, replacing the old belt transmission method, which increases the stability and accuracy of the product.
（3） Applicable industries
The JB series is widely used in testing, scientific research, and production in industries such as metrology, mechanical manufacturing, metallurgy, pressure vessels, and colleges and universities.
（4） Main uses
Mainly for testing black metals with high impact toughness, especially steel and its alloys.
2. Technical parameters
1· Impact energy: 300J, 150J
2. Scale range and division value of the dial:
3. Pendulum moment
4. Pendulum pre lift angle: 150 °
5. Distance from the center of the pendulum to the impact point (test center): 750MM
6. Impact speed: 5.2M/s
7. Sample support span: 40mm
8. Arc radius at the end of the sample support: 1-1.5MM
9. Angle of inclination of sample support surface: 0 °
10. Impact knife arc radius: 2-2.5MM
11. Angle between the two slopes of the impact knife: 30 °
12. Impact blade thickness: 16MM
13. Sample size: 10 * 10 * 55MM
14. Testing machine weight: approximately 450KG
15. External dimensions of testing machine: 2124 * 600 * 1340MM
16. Power supply: three-phase four wire 50HZ 380V 180W (main motor)
3. Standard configuration
1、Host: One unit.
2、Pendulum: specifications, large pendulum 300J, small pendulum 150J. Quantity, one for each, a total of two.
3、Span template: Specification, L=40. Quantity, one.
4、Sample centering block: specification, L=40 (V.U) type. Quantity, one.
5、Disassembler: quantity, one.
6、Dumb handle: Specification, S=30. Quantity, one.
7、Hexagonal wrench: specification, S=14. Quantity, one.
8、Anchor bolt: specification, M16 × 300. Quantity, four sets.
Jaws (including brackets): quantity, one set. Note that it has been installed on the host.
4. Working conditions
a. Room temperature within the range of 10-35 º C;
b. The relative humidity shall not exceed 85%;
c. In an environment without corrosive media around;
d. Installed on a concrete foundation with a thickness of no less than 150mm or fixed on a foundation weighing over 880 kilograms;
e. Adjust the levelness of the installation reference surface on the machine base to within 0.2/1000;
5、 Quality assurance
The equipment warranty period is one year from the official delivery date. During the warranty period, the supplier provides timely and free maintenance services for various equipment malfunctions. Timely and free replacement of all types of parts damaged by non-human factors. If the equipment outside the warranty period malfunctions during use, the supplier actively assists the ordering party in completing maintenance tasks.
LY71-UV Impact Sample Notch Hydraulic Pulling Machine
1、 Product Description
In the process of conducting impact tests on metal materials, not only high-precision impact testing machines are required, but also prepared specimens. Our company has developed the LY71-UV type impact specimen notch electric hydraulic broaching machine, which can cut the specimen notch completely in accordance with GB/T229 "Metal Charpy Notch Impact Test Method" on the specimen blank in one go. This machine has the advantages of high precision, long lifespan, low noise, and beautiful appearance, making it the preferred model for users in various industries.
2、 Main uses and scope of adaptation
In order to obtain accurate and reliable test data in the resistance to impact strength of test materials, on the one hand, it is necessary to have an impact testing machine with certain accuracy, and on the other hand, we have to use various equipment such as turning, milling, planing, and grinding to spend a lot of time preparing qualified specimens.
In order to meet the needs of users and reduce the difficulties in sample preparation, especially in sample notch manufacturing, we have developed a hydraulic broaching machine for cutting impact sample notches based on various advanced experiences in the field at home and abroad. The model is LY71-UV, which fully meets the requirements of GB/T229 "Metal Charpy Notch Impact Test Method" for the accuracy of impact sample notches.
3、 Main technical parameters
4、 Working conditions:
This machine uses a three-phase four wire 380V50Hz power supply, and the voltage change should not exceed ± 10% of the rated voltage. The environment should be free of impact vibration and corrosive media. The machine should be installed vertically on a stable foundation. There is a grounding sign next to the power socket below the back of the machine, which requires the machine to be reliably grounded.
5、 Main configuration:
Host 1set
U/V type broach 1 each Installed on the host
User manual 1set In the file bag
Certificate of conformity 1set In the file bag
Packing list 1set In the file bag
6、 Quality assurance
The equipment will only be considered as officially delivered after it is officially accepted by the purchaser on site. The equipment warranty period is one year from the official delivery date. During the warranty period, the supplier provides timely and free maintenance services for various equipment malfunctions. Timely and free replacement of all types of parts damaged by non-human factors. The warranty period for the replaced parts shall be recalculated from the date of replacement. During the use of equipment outside the warranty period.
Low temperature groove for impact specimens
1、 Usage and characteristics:
The DWC-60 impact test low-temperature tank is the latest compressor refrigeration equipment developed by our company in accordance with the requirements for low-temperature devices in GB/T229-2002 "Metal Charpy Notch Impact Test Method". This equipment adopts imported Italian Aspara dual compressor refrigeration technology, adopts the principle of thermal balance and cyclic stirring method, achieving automatic uniform cooling and constant temperature of the sample, and can fully meet the temperature control indicators specified in the national standard GB/T229-2002. This equipment is easy to operate and has high work efficiency, making it the most ideal sample cooling and insulation equipment for low-temperature impact testing of materials. It can also be used for other low-temperature detection and experimental work.
2、 Main technical parameters:
1· Temperature control range:+30 ℃~-60 ℃ (room temperature ≤ 25 ℃)
2. Constant temperature accuracy:<± 0.5 ℃
3. Cooling rate:+30 ℃~0 ℃ 1.5 ℃/min
0 ℃~-20 ℃ 1.2 ℃/min
-20 ℃~-30 ℃ 1.0 ℃/min
-30 ℃~-60 ℃ 0.7 ℃/min
-40 ℃~-60 ℃, about 0.7 ℃/min
Note: The usage environment is at room temperature (23-25 ℃), and the compressor's temperature dissipation effect can be maintained during operation. The side doors can be fully opened.
4. Maximum external dimension: 900 × five hundred and five × 800mm (length × high × Width ）
5. Effective space in the studio: 200 × one hundred and forty × 100mm （long × high × Width）
6. Number of samples that can be loaded:>60 (impact sample size: 10) × ten × 55mm)
7. Digital timer: 1 second to 99 minutes, resolution of 1 second
8. Cooling medium: ethanol or other non freezing liquids
9. Mixing motor: 15W
10. Working power supply: 220V~240V, 50Hz, 2kW
11. Working temperature: ≤ 25 ℃
3、 Main equipment configuration:
1· One host
2. One sample basket
3. One sensor
4、 Structure and working principle
1· Structure
This equipment consists of a refrigeration compressor main body, a heating device, an electronic control box, a cooling tank, a cooling medium circulation system, an automatic alarm device, and other parts. Its structure is shown in the figure.
2. Working principle-
After starting the refrigeration switch, the compressor starts working and the refrigeration system enters the official working state. The refrigeration compressor operates continuously, and as it approaches the set temperature, the heating device in the cooling tank begins to provide heat proportionally to balance the excess cooling generated by the refrigeration system and achieve constant temperature. Stirring can continuously circulate the cooling medium in the cooling tank, ensuring a uniform and consistent temperature.
5、 Service commitment
The equipment warranty period is one year from the official delivery date. During the warranty period, the supplier provides timely and free maintenance services for various equipment malfunctions. Timely and free replacement of all types of parts damaged by non-human factors. If the equipment outside the warranty period malfunctions during use, the supplier actively assists the ordering party in completing maintenance tasks.
XT-50 Impact Sample Notch Projector
1、Introduction:
The XT-50 impact specimen projector is an optical instrument developed by our company based on the actual needs of users and the notch requirements of impact specimens in GB/T229 "Metal Charpy Impact Test Method". It is specifically designed to test the machining quality of Charpy V-shaped and U-shaped notches. This instrument uses optical projection methods to magnify the V-shaped and U-shaped notch contours of the tested impact specimens by 50 times and project them onto the projection screen, Compare the V-shaped and U-shaped notch standard sample drawings on the projection screen to determine whether the tested sample notch is qualified. Its advantages are easy operation and intuitive comparison.
2、 Plan description:
The light emitted by the light source of this projector is projected onto the measured object through a condenser, and then the magnified outline of the illuminated object is projected onto the projection screen through the objective lens. As needed, this instrument is a single projection illumination, where the light source is projected onto the workbench through a series of optical elements, and then the contour of the tested sample notch is clearly projected onto the projection screen through a series of optical elements. The object is magnified and reflected twice to form a positive image, and the pattern seen on the projection screen is consistent with the orientation of the actual sample placement. Place the measured sample on the worktable, rotate the worktable lifting handwheel, focus until the image is clear, and then adjust the circular worktable and longitudinal and transverse adjustment handwheel to compare the magnified V-shaped (or U-shaped) notch projection of the sample with the standard size diagram of the impact sample notch provided by this instrument, which has also been magnified by 50 times, to determine the geometric dimension processing quality of the V-shaped (or U-shaped) notch of the impact sample.
3、 Main technical parameters:
1· Projection screen diameter: 180mm
2. Light source (halogen tungsten lamp): 12V 100W
3. Workbench size:
a. Square workbench size: 110 × 125mm; b. Circular worktable diameter: 90mm; c. Workbench glass diameter: 70mm
4. Workbench travel:
Vertical: ± 10mm; Horizontal: ± 10mm; C lifting: ± 12 mm (without scale)
5. Workbench rotation range: 0-360 ° (without scale)
6. Power supply: 220V 50Hz
7. External dimensions: 515 × two hundred and twenty-four × 603mm
8. Weight: approximately 18kg
9. Instrument magnification: 50x
Objective magnification: 2.5x; Projection objective magnification: 20x
4、 Quality assurance
The equipment warranty period is one year from the official delivery date. During the warranty period, the supplier provides timely and free maintenance services for various equipment malfunctions. Timely and free replacement of all types of parts damaged by non-human factors. If the equipment outside the warranty period malfunctions during use, the supplier actively assists the ordering party in completing maintenance tasks.
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