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Home > Products > BR-LJD type bolt connection dynamic and static comprehensive experimental platform

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Product Introduction

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BR-LJD type bolt connection dynamic and static comprehensive experimental platform


This experimental platform is designed with a new concept, utilizing modern testing methods and computer technology to collect, process, measure, simulate, and compare the static and dynamic parameters of bolt connections. The experimental platform is equipped with a self-developed high-precision static and dynamic testing instrument, which can achieve manual drawing and computer drawing of the force deformation curve of bolt connections. Enable students to understand the basic methods of mechanical parameter electrical measurement and master the new experience brought by the effective combination of computer-aided testing curve drawing and computer simulation testing analysis.

Function and features:
1. Computer assisted testing and simulation of static and dynamic force deformation curves for bolt connections can automatically generate experimental reports simultaneously.
2. The experimental platform is equipped with two types of test bolts, solid and hollow, as well as two types of connected components, elastic and rigid. By changing the different stiffness combinations and stress amplitude ranges of the connected components and the connected components. The magnitude of the preload is used to verify the various measures to improve the strength of the bolt connection under variable stress.
3. Equipped with high-precision amplifiers, 24 bit A/D conversion, and 4-channel static and dynamic strain gauges with automatic zero calibration.
The manufacturing accuracy of the experimental platform is high, which ensures good repeatability of bolt connections in dynamic testing.
★ The device has added a remote communication protocol module, which can achieve:

Remote teaching function:
1) Real time teacher and student one-on-one remote teaching, remote communication function;
2) Manufacturers and equipment administrators provide real-time guidance on equipment operation and maintenance;

Laboratory management functions:
1) The equipment is equipped with a set of laboratory management system software and hardware, implementing a one person, one account mode for administrators. Through the mobile APP communication protocol, administrators with more than 10 people can manage the equipment at any distance, including recording (automatic start) and playback of the equipment operation process, as well as automatically starting the infrared alarm function when the equipment is turned off.

Teaching experiment projects and content:
This experimental platform can be used to connect two types of stiffness bolts and two types of stiffness connected components, equipped with elastic and rigid gaskets respectively, for a total of 8 sets of static and dynamic experiments.
1. Solid bolt+rigid connected part+rigid gasket
2. Solid bolt+rigid connected part+elastic gasket
3. Solid bolt+elastic connector+rigid gasket
4. Solid bolt+elastic connector+elastic gasket
5. Hollow bolt+rigid connected part+rigid gasket
6. Hollow bolt+rigid connected part+elastic gasket
7. Hollow bolt+elastic connector+rigid gasket
8. Hollow bolt+elastic connector+elastic gasket

Basic configuration
1. LZS software CD
2. (Four way) static and dynamic testing instrument 1 set
3. Torque measuring wrench 200N. m1
4. Two dial gauges
5. 1 user manual for the experimental platform

Main technical parameters
1. AC three asynchronous motor power V=380V N=375W n=910 rpm
2. (Engineering) Resistance strain gauge resistance value R=120 Ω
Sensitivity coefficient K=2.20
3. (Four way) static and dynamic testing instrument
Measurement range: 0 ± 30000 με Zero point imbala Zero point imbalance: ± 10000 με
Basic error: ± 0.2% FS ± 2 words Resolution: 1 με
Zero drift: ± 2 με/ 4 hours ± 0.5 με/ ℃
Measurement methods: 1/4 bridge, half bridge, full bridge.
4. Dial gauge range 0-1mm
5. External dimensions: 420 × two hundred and five × 550mm
6. Weight: 50 kg

Collaboration process
  • Selected model

  • Confirm requirements

  • Signing contracts

  • Customized production

  • Timely delivery

  • Ready for after-sales service

Company advantages
  • Service life up to 10 years

    Supported by 28 patented technologies and 30 years of technological precipitation, the product quality is guaranteed by using precision honing steel pipes, imported Taiwan Dingji or Japanese seals, electroplated shafts, and whole 45 # steel CNC turning and milling to produce parts. The product has a service life of more than 10 years and a stable performance of 99.2%, ensuring normal use by enterprises.

    Guaranteed quality
  • Adopting ERP production process, the fastest delivery time is 1 day

    7 * 12h rapid response, 10 minute solution, 1 hour drawing, 8s standardized production process, standard production process, the fastest delivery on the same day, without delaying your production, helping you deliver on time.

    Fast product delivery
  • Customizable production of 10S samples according to the diagram

    Customized products according to your needs, including size, materials, and other details, and support for non-standard customization; We can conduct on-site surveys, provide product technical solutions, and provide one-stop research and development, customized production to meet your various needs and save costs.

    Customizable
  • 1 year free replacement for quality issues, lifelong after-sales service

    The product comes with a one-year free replacement, lifelong after-sales service, 7 * 24-hour technical support, 1-on-1 technical training, regular follow-up visits, and irregular on-site maintenance to ensure the stable and efficient operation of the product and assist production.

    Good after-sales service

Company Introduction

  Jiangsu Bairui Education Equipment Co., Ltd. is a production, research and development sales base established and constructed by Shanghai Bairui Education Equipment Group in Suqian City, Jiangsu Province in December 2016. According to the group's requirements, it aims for practical training and is a technology-based enterprise that integrates professional research and development, manufacturing, and sales. Dedicated to the production and sales of specialized products in the fields of intelligent flexible automation, robot cooperation, hydraulic and pneumatic, mold design and manufacturing, mechanical innovation design, and mechanical processing manufacturing in the mechanical majors of undergraduate, vocational, and technician colleges in higher education institutions. Bairui Education Instrument, an enterprise that has obtained national high-tech certification, is located in the dynamic Yangtze River Delta, relying on the Shanghai R&D center. Its production and sales factory is located in Suqian City, Jiangsu Province. It has favorable conditions such as a good investment and financing environment, strong scientific research capabilities, advanced manufacturing technology, strong manufacturing capabilities, convenient transportation, and beautiful ecology. The company covers an area of over 30000 square meters in production and office, with advanced complete processing equipment and complete product testing processes. The company has set up R&D Technology Department, Marketing Department, Work Safety Department, Finance Department, Logistics Supply Department and science and technology research team. The humanized management system is perfect, the supervision mechanism is perfect, and the ISO9001:2015 international quality management system has been operating in a standardized and strict manner for many years. The company has passed the OHSAS18001:2007 occupational health and safety management system certification, ISO14001:2015 environmental management system certification, and passed the GB/T29490-2013 intellectual property management system certification in 2020. It has been rated as: excellent supplier of government procurement, China's independent innovation brand, China's key recommended enterprise in the teaching equipment industry, excellent enterprise in the teaching equipment industry in China, national energy-saving and environmental protection products, and exemplary organization of after-sales service in the education equipment industry for many consecutive years; Obtained AAA level demonstration unit for honest operation, AAA level contract abiding and trustworthy enterprise, AAA level credit rating enterprise, AAA level credit enterprise, National 315 Integrity Enterprise, Top 100 Enterprises in the Industry, National Quality Trustworthy Product, and National Authoritative Testing Quality Qualified Product Certificate. The research team of Jiangsu Bairui Education Instrument has been committed to product improvement and innovation for a long time. They have developed nine series of nearly a hundred stable and advanced science and engineering teaching and training experimental equipment, making our company's basic practical and innovative technology products have a clear advantage in peer competition!

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