• Model NO.：HJ-68
• Display：Digital
• Weight：38kg
• Power Source：AC220V
• Use Voltage：AC 220V 50 60Hz 2A
• Test Force Resolution：0.01n.M-0.1n.M
• Testing Machine Level：Level 0.5,Level 1
• Precise Measurement Range：1%Fs-100%Fs
• Transport Package：Fumigation-Free Standard Export Wooden Box
• Trademark：Hongjin
• Origin：China
• Production Capacity：1000 Sets, Month

Basic Info.

Model NO. HJ-68 Display Digital Weight 38kg Power Source AC220V Use Voltage AC 220V 50 60Hz 2A Test Force Resolution 0.01n.M-0.1n.M Testing Machine Level Level 0.5/Level 1 Precise Measurement Range 1%Fs-100%Fs Transport Package Fumigation-Free Standard Export Wooden Box Trademark Hongjin Origin China Production Capacity 1000 Sets/ Month

Product Description

The microcomputer-controlled spring fatigue testing machine is composed of a driving system, a transmission system, a computer-controlled display and other systems, and is suitable for the fatigue performance test of various coil springs. The testing machine is controlled by the electromagnetic speed control system to run the motor, and the connecting rod is driven by the eccentric device to make the reciprocating pressure plate rise and fall to complete the reciprocating compression fatigue test of the spring. The machine is pollution-free, high-efficiency, has a wide frequency modulation range and test space, and with appropriate auxiliary equipment, can complete spring fatigue tests of different specifications. The machine is controlled by a single-chip microcomputer to realize the automatic shutdown function of the number of tests. The machine has high integration, simple structure, low failure rate, stable and reliable performance and simple operation. Widely used in factories and mines, scientific research institutions and other industries.

Features of High and low temperature spring fatigue testing machine
1. Mechanical loading, using the traditional crank connecting rod mechanism, electromagnetic speed regulation motor drive, using the energy storage method of the flywheel, to ensure the uniform stability of the loading and the reliability of the operation, so that the entire alternating stress forms a good sinusoidal waveform. In addition, it also has a spring pre-adjustment device (electric adjustment method), an amplitude adjustment device (manual adjustment method), etc.
2. It is composed of speed increasing device, lead screw and guide part.
3. Electromagnetic speed-regulating motor drive.
4. It is composed of computer data acquisition and processing system, counter, speed control device, force measurement system and displacement measurement system. Through various signal processing, it realizes functions such as display and control, and records the number of tests, test frequency, test force, etc. displacement etc. And real-time display of force-deformation curve, force-time curve, deformation-time curve, etc. Simple adjustment and stable performance.
5. Using WIN2000/XP Chinese operating platform, the format of the test report can be output in Word or Excel format.
6. Automatic shutdown, overcurrent, overvoltage, overspeed protection devices, etc. when the set times and time are reached.

Parameters of High and low temperature spring fatigue testing machine

Maximum test force	10N.m, 20N.m, 50N.m, 100N.m, 200N.m, 500N.m, 1000N.m,  2000N.m.3000N.m, 5000N.m (can be customized according to user  requirements)
Test force resolution	0.01N.m-0.1N.m
Testing machine level	Level 0.5/Level 1
Precise measurement range	1%FS-100%FS
High and low temperature system  temperature control range	-40° to 150° (can be customized according to user requirements)
Relative error of test force indication	<+0.5%
Torque Resolution	1/±300000 (the resolution remains unchanged in the whole process)
Torque direction	Rotation angle measurement range in both directions: 0-365000°
Test stroke distance	300mm/500mm (can be customized according to user requirements)
Fatigue according to amplitude  frequency characteristics	1-5Hz (can be customized according to user requirements)
Tester size	About 2000*550*1300mm
Exterior	Should meet the requirements of GB/T2611
Completeness	Meet the standards
Protective function	The testing machine has overload protection function
Power supply	220V/380V, 50Hz

   The Introduction Of Hongjin
Hongjin products are widely used in paper products, packaging, ink printing, tape, luggage, footwear, leather products, environment, toys, baby products, hardware, electronic products, plastic products, rubber products and other industries, suitable for all scientific research units, Quality inspection agencies and academic fields. Products comply with UL, ASTM, JIS, GB, SO, TAPPI, EN, DIN, BS and other domestic and foreign standards. We have CE certificates, ISO certificates, and are a high-tech enterprise with more than ten years of experience.                Hongjin's services:
If you encounter any problems during future testing, we promise we will reply you within 48 hours and provide a solution within 3 working days. We can provide operation video and English operation manual. We can provide video conferencing.
1. Pre-sales service
    --24-hour online service for your consultation.
    -- Help with choosing the right model, and a range of services, people, advice.
   --Provide laboratory planning and pre-sales technical guidance.
2. Intermediate service
    -- give you the best offer
    --Provide discounts on multiple sets of orders
    -- Do the customer's request:
    --Choose a payment term that is convenient for you.
    --Prompt production and delivery, keep you informed.
    -- Invoice value can be provided according to your needs to reduce tax.
3. After-sale service
   --1 year warranty service and lifetime maintenance.
   --Technical engineers can provide 24-hour after-sales guidance.
   --Replacement of some parts
   --Remote control technical consultation
   --Machine lifetime maintenance service
4. Commitment:
We will sign a letter of commitment at the same time as signing the contract, which will increase your confidence in us.
5. Good packaging:
Simulation animation customers cover with bubble film before putting them into wooden boxes, which not only has good shock absorption, impact resistance, heat sealing, but also has the advantages of non-toxic, odorless, moisture-proof and corrosion-proof, and good transparency.