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LB-800B Fully Automatic High-Strength Bolt Tester (New Standard)

Name: LB-800B Fully Automatic High-Strength Bolt Tester (New Standard)
Brand: Laibote (Tianjin) Testing Machinery
Availability: InStock

The fully automatic high-strength bolt tester is an intelligent testing device that integrates automated inspection, data processing, display, and printing.

Category:

Steel Structure Testing Equipment

Keywords:

E-mail:

lbt@lbt.ltd

WhatsApp:

+86-15102211717

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LB-800B Fully Automatic High-Strength Bolt Tester (New Standard)

Description

Product Introduction:

The fully automatic high-strength bolt tester is an intelligent testing device that integrates automated inspection, data processing, display, and printing. Equipped with high-precision sensors and an advanced measurement‑control system, it can automatically measure critical parameters such as axial force and torque in bolted connections, while displaying and printing the results in real time. Featuring high efficiency, accuracy, and stability, this instrument significantly enhances both the speed and quality of bolt‑connection inspections. Designed and manufactured in accordance with the requirements of GB 1231‑2024 “High‑Strength Large Hexagon Bolt Assemblies for Steel Structures” and GB 50205‑2020 “Code for Acceptance of Construction Quality of Steel Structures,” the tester is capable of measuring, displaying, and printing axial force and torque (or torque coefficient) for large hexagon‑head high‑strength bolt assemblies (M12, M16, M20, M22, M24, M27, M30, M33, M36) as well as for torsion‑shear type high‑strength bolt assemblies (M16, M20, M22, M24, M27, M30). Torsion‑shear bolts must be tested using a dedicated torsion‑shear wrench. The device also enables automated tightening, loosening, and resetting of high‑strength bolts, offering a high degree of automation and convenient, rapid operation. Its touchscreen interface displays parameters such as axial force, torque, and torque coefficient, and automatically calculates and outputs standard deviation and coefficient of variation. With built-in data storage and retrieval capabilities, the control unit includes an integrated printer for on‑demand output. An optional electric torsion‑shear wrench is available for bolts ranging from M30/M27 to M24/M22/M20/M16.

Working principle:

The operating principle of the fully automatic high-strength bolt tester is primarily based on sensor technology and a measurement‑control system. When the instrument is connected in series with the bolt‑joint assembly, the sensor can continuously monitor parameters such as axial force and torque. The sensor converts the detected signals into electrical signals and transmits them to the measurement‑control system for processing. The system amplifies, filters, and digitizes these signals, yielding precise test data. Automatic Testing: The fully automatic high‑strength bolt tester can autonomously measure axial force, torque, and other parameters of bolted joints. During testing, the instrument automatically identifies the bolt’s specifications and type and adjusts itself according to preset parameters.

Product Features:

Efficiency: The fully automatic high-strength bolt tester employs an automated control system, eliminating the need for manual intervention during the testing process and significantly enhancing testing efficiency. Moreover, the instrument features rapid response and high-speed data processing, enabling it to complete the inspection of a large number of bolted connections in a short period of time.

Accuracy: The instrument employs high-precision sensors and advanced measurement‑control technology, enabling precise measurement of axial force, torque, and other parameters in bolted joints. Its test results are highly accurate and reliably robust, meeting the demands of even the most complex engineering applications.

Stability: The fully automatic high-strength bolt tester is manufactured using premium materials and advanced processes, featuring a compact structure and a well‑thought‑out design. Throughout extended operation, it maintains consistent performance and accuracy, ensuring the reliability and precision of test results.

Ease of Operation: The instrument features a simple and intuitive user interface, making it easy for users to get started. Additionally, it supports multiple operating modes and language options, allowing users to configure and customize settings according to their specific needs.

Technical Specifications:

Parameter Category	Parameter content
Voltage (Control System)	220V/AC
Voltage (motor)	380V/AC
Maximum Axial Force Detection Range	20-800KN
Maximum torque detection range	10-4000Nm
Bolt specifications	M12-M36
Bolt length	35mm-360mm
Torsional shear bolt	M16–M30 (optional torque wrench)
Test accuracy (axial force)	±1%
Test accuracy (torque)	±1%
External dimensions:	Length × Width × Height: 1150 × 590 × 1240 mm
Package dimensions	1510x680x1370mm
Weight	500kg

Instructions for Use

After the startup screen appears, tap to enter the test:

After the startup screen appears, tap to enter the main interface and proceed directly to the test; the following screen will be displayed:

Select or enter the test parameters according to the specific test requirements.

Numbers: 1 to 50;

Pattern: Large Hexagon;

Grade: 8.8s or 10.9s;

Range: 3000; Specifications: M16 to M30, with length specified according to the actual bolt length.

Fixed value: default value or enter a new value;

μ : mean;

σ : standard deviation;

CV: coefficient of variation;

After proper installation, perform the clearance force 1 and clearance force 2 tests. At the start of the test, the motor will rotate; when the axial force reaches the specified standard value, the device’s display will automatically pop up a window. Follow the on-screen prompts to select “Next,” after which the system will automatically unload the load, completing one set of bolt tests. Repeat this procedure for all eight bolt‑nut assemblies. Once testing is finished, the device will automatically calculate and display key parameters, including the average axial force, average torque, average torque coefficient, standard deviation, and coefficient of variation for each of the eight sets. If printing is required, press the print button to generate a printed report of the test results.

Note: Users requiring tests for torsional-shear high-strength bolts must order a dedicated torsional-shear wrench separately.

Standard configuration:

Serial number	Name	Unit	Quantity
1	Test host	Taiwan	1
2	Axial force sensor, 800 kN (including data cable)	set	1
3	Torsional shear insert M12-M16	block	1
4	Torque sensor, 4000 N·m (including cable)	set	1
5	Hexagonal high‑wind cannon socket set (21, 24, 27, 34, 36, 41, 46, 50, 55, 60)	item	Each 1
6	Bolt outer retaining plate M (12, 16, 20, 22, 24, 27, 30, 36)	item	Each 1
7	Bolt inner stop plate M (16, 20, 22, 24, 27, 30, 33, 36)	item	Each 1
8	Anti-rotation insert plate M (16, 20, 22, 24, 27, 30, 33, 36)	item	Each 1
9	12mm hex key wrench	one	1
10	Hex socket bolt M10×20	one	6
11	Certificate of Conformity	portion	1
12	Instruction Manual	portion	1
13	Packing List	portion	1

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FAQs

Do you supply full-set testing instruments for asphalt and geotechnical engineering projects?

We offer complete lab solutions including asphalt viscosity tester, asphalt rutting tester, geotextile permeability tester, low-temperature flexibility tester and concrete/cement test equipment, covering raw material detection for road, water conservancy and construction engineering projects

Can you customize fixtures or test machines based on our special test requirements? How about after-sales service and warranty?

We provide non-standard customization of test equipment and customized fixture clamps according to customers’ specimen size and test standards. All our testing machines enjoy 12-month factory warranty; overseas customers get remote online debugging guidance, spare parts supply and technical operation training. Our products have been exported to over 70 countries globally

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Does your pipe pressure burst testing machine control test temperature automatically? What’s its main application?

Yes, the constant-temperature circulating system keeps stable test environment during long-time hydrostatic resistance and instant burst pressure measurement of thermoplastic pipes. It complies with GB6111 standard and serves raw material inspection, new product R&D for plastic pipe manufacturers, third-party testing labs and university laboratories.

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What test items can your WDW series computer-controlled electronic universal testing machine complete? Which international standards can it meet?

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Customer Reviews

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“Laibote’s Vicat softening point tester and electronic tensile machine have been applied to our raw material incoming inspection and new formula development for over one year. High testing accuracy effectively controls our product defect rate. What impresses us most is their responsive after-sale service; technical staff reply our troubleshooting requests within 24 hours even for time zone differences. Compared with expensive European brands, Laibote’s equipment balances quality and price excellently, we plan to expand procurement of auxiliary testing instruments next quarter.”

Middle East Construction Lab｜Purchase: Universal Electronic Testing Machine & Geotextile Test Equipment

From Mohamed Kareem, Lab Manager, UAE third-party construction inspection institute

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“We compared multiple testing equipment brands from Europe and China before cooperating with Laibote. Their WDW universal tester and full-set geotextile testing instruments meet local construction testing standards perfectly. Custom fixtures tailored per our specimen specifications save much testing time. Pre-sale technical communication was patient and professional; engineers provided online operation training after goods arrived. Stable machine performance greatly improves our laboratory’s detection efficiency, we are satisfied with cost performance and overall service.”

European Plastic Pipe Manufacturer｜Purchase: Ring Stiffness & Hydrostatic Burst Tester

From Thomas Bennett, Quality Director, UK plastic pipe factory

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“We have purchased two sets of pipe testing equipment from Laibote (Tianjin) for 18 months. The ring stiffness and hydrostatic burst testing machines run stably for daily batch inspection, test data matches ISO standard requirements precisely, and the intelligent test software is easy for our operators to master. Their after-sales team offers timely remote technical guidance whenever we have operational problems, spare parts supply is efficient. We have arranged a second bulk order for our new production workshop and will recommend Laibote’s testing machines to our industry partners across Europe.”

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