Slip Coefficient Tester
Professional Slip Coefficient Tester for High-Strength Bolted Connection Testing
The Slip Coefficient Tester is specially designed to determine the slip coefficient (slip factor) of high-strength bolted friction grip connections used in steel structures. It provides accurate and reliable testing results to verify the anti-slip performance of bolted joints before structural installation.
Widely used in steel structure manufacturers, construction laboratories, quality inspection agencies, universities, and engineering research institutes, the tester complies with international and national testing standards, ensuring the safety and reliability of steel connections.

Applications
The Slip Coefficient Tester is suitable for evaluating the slip resistance of bolted connections used in various engineering projects.
Typical applications include:
* High-strength bolted friction grip joints
* Steel structure fabrication plants
* Bridge engineering
* Building construction
* Wind power tower manufacturing
* Industrial plant construction
* Quality inspection laboratories
* Universities and research institutes
The tester is ideal for verifying the slip coefficient of connection surfaces before structural assembly.
Material Selection
To guarantee long-term performance and testing accuracy, premium materials are used throughout the machine.
Heavy-duty Steel Frame
* High-strength welded steel structure
* Excellent rigidity and deformation resistance
* Stable during high-load testing
01
Precision Hydraulic Loading System
* Durable hydraulic cylinder
* Stable loading speed
* Smooth force transmission
02
High-Accuracy Load Sensor
* Imported load cell
* High measurement precision
* Stable long-term performance
03
Intelligent Electronic Control
* PLC or computer-controlled system
* High-resolution data acquisition
* Automatic test result calculation
04
Working Principle

The Slip Coefficient Tester applies a controlled tensile load to a prepared high-strength bolted connection specimen through a hydraulic loading system.
As the load increases, the tester continuously monitors the applied force. When relative slip occurs between the connected plates, the system records the maximum load at the onset of slip and automatically calculates the slip coefficient according to the selected testing standard.
The entire testing process is displayed in real time, with automatic data recording and report generation for quality evaluation.
Key Features
High Testing Accuracy
* High-precision load measurement
* Stable loading control
* Excellent repeatability
* Accurate slip coefficient calculation
01
Intelligent Control System
* Automatic loading
* Real-time load display
* Digital data recording
* Automatic report generation
* Computer software support (optional)
02
Easy Operation
* User-friendly interface
* Simple specimen installation
* Automatic testing process
* Minimal operator intervention
03
Reliable Safety Protection
* Overload protection
* Emergency stop function
* Hydraulic pressure protection
* Automatic shutdown after testing
04
Low Maintenance
* Durable hydraulic components
* Easy calibration
* Convenient routine inspection
* Long service life with minimal maintenance requirements
05
Customization Service
We provide flexible OEM and ODM solutions to meet different laboratory and project requirements.
Customization options include:
* Testing capacity
* Hydraulic or servo loading system
* Number of testing channels
* Software language
* Testing standards
* Power supply
* Voltage
* Company logo
* Customized testing reports
* Special fixtures and accessories
Quality Inspection
Each Slip Coefficient Tester undergoes strict factory inspection before delivery.
Testing procedures include:
* Load accuracy calibration
* Hydraulic system inspection
* Sensor verification
* Control system testing
* Full-load operation test
* Factory acceptance inspection
Each machine is supplied with a complete inspection report and calibration certificate.
Packaging & Logistics
To ensure safe international transportation, every machine is packed using export-standard protective packaging.
Packaging includes:
* Rust-proof treatment
* Waterproof film
* Shockproof protection
* Fumigation-free plywood case
* Reinforced export packaging
Shipping options:
* Sea Freight
* Air Freight
* Railway Transportation
* Express Delivery
After-sales Service
We provide complete technical support before and after delivery.
Our services include:
* Installation guidance
* Online technical support
* Remote troubleshooting
* Operator training
* Spare parts supply
* Software upgrades
* One-year warranty
* Lifetime technical support
About Our Company
As a professional manufacturer of material and structural testing equipment, we specialize in providing reliable testing solutions for construction, civil engineering, steel structures, and quality inspection laboratories.
Our advantages include:
* Experienced engineering and R&D team
* Advanced manufacturing facilities
* Strict quality management system
* OEM & ODM manufacturing capability
* International export experience
* Professional technical support
* Fast production and global delivery
Our products have been exported to customers in Europe, Southeast Asia, the Middle East, Africa, and South America.
Corporate Culture
Our corporate culture revolves around four core values: Integrity, Innovation, Collaboration and Win-Win Results. Integrity serves as the cornerstone of our sustainable development. We maintain sincerity and credibility with all clients, partners and internal staff. Innovation drives our corporate progress. We encourage our team to explore new technologies and optimize solutions to lift product performance and service standards. Collaboration builds solid bridges between our company, clients and employees, enabling mutual progress through efficient teamwork. Win-Win cooperation stands as our ultimate pursuit. We share development gains with all stakeholders to create promising long-term prospects together.

Frequently Asked Questions (FAQ)
Q1: What is a Slip Coefficient Tester used for?
A: It is used to determine the slip coefficient (slip factor) of high-strength bolted friction grip connections in steel structures, ensuring the safety and reliability of bolted joints before installation.
Q2: Which standards can the tester comply with?
A: The tester can be configured to meet various national and international standards, including GB, ISO, ASTM, and other project-specific testing requirements.
Q3: Can the machine be customized?
A: Yes. We offer customized testing capacities, software languages, testing standards, voltage, fixtures, accessories, and OEM branding according to customer requirements.
Q4: Is the machine easy to maintain?
A: Yes. Routine maintenance mainly includes checking the hydraulic system, keeping sensors clean, performing periodic calibration, and inspecting moving components according to the maintenance manual.
Q5: What warranty and technical support do you provide?
A: We provide a 12-month warranty, lifetime technical support, online troubleshooting, spare parts supply, remote assistance, and operation training.
Q6: Do you provide calibration and inspection documents?
A: Yes. Every Slip Coefficient Tester is delivered with factory inspection records, calibration certificates, operating manuals, and complete technical documentation to support installation and quality assurance.
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