Non-Metallic Testing Machines

JSW-K-20C Universal Testing Machine

This non-metallic universal testing machine is ideally suited for tension, compression, flexure, peel, and tear applications across a wide variety of materials. Furthermore, it is controlled by a PC equipped with professional software that displays test curves and key parameters visually, enabling intuitive operation and comprehensive data analysis. To accommodate different testing requirements, all test data can be seamlessly converted between various standards.

In terms of application, the JSW-K-20C is suitable for quality control across diverse fields — including metal wire, nylon wire, plastic, rubber, textile and clothing, and packaging materials — supporting tension, compression, bending, peel, and tear tests.

Regarding standards compliance, this non-metallic universal testing machine meets an extensive portfolio of national and international standards, including ASTM D638, ISO 7500-1, ISO 5893, ASTM D790, GB 16491, GB/T 1040, GB/T 1041, and GB/T 9341.

The key technical parameters of the JSW-K-20C are as follows:

• Max Load: 10 / 20 / 50 kN (Class 0.5)
• Load measuring range: 0.2% – 100% FS
• Load resolution: 1/300,000
• Test speed: 0.01 – 500 mm/min
• Specimen width: 400 mm
• Maximum extension: 900 mm
• Force accuracy: ±0.2%
• Extension accuracy: ±0.2%
• Crosshead speed accuracy: ±0.2%

JSW-GH-1500C Pipe Ring Stiffness Tester

Specifically designed for determining the ring stiffness of thermoplastic pipes with annular cross-sections, the JSW-GH-1500C performs flat testing, ring flexibility testing, and weld tensile testing as well. Additionally, the system meets the requirements of PE double-wall corrugated pipe, winding pipe, and various plastic pipe testing standards. Consequently, it has become a necessary testing instrument for scientific research institutes, quality testing departments, and pipe manufacturers worldwide.

Control and Transmission System

Regarding the control system, the PC-based software enables real-time screen display of test force, force peak value, crossbeam displacement, test deformation, and test curves, with intuitive and simple operation. Moreover, the system is equipped with overload, over-current, and over-pressure protection functions. In addition, an integrated inner diameter measurement system accurately monitors the inner diameter change of the pipe throughout the test.

As for the transmission system, the all-digital AC servo motor is controlled through a distributed control system composed of a PC and single-chip microcomputer, driving the middle crossbeam to move up and down according to the speed required by the test standard.

Working Principle and Operation

In practice, pressure is applied to the pipe sample through the sample pressing plate, while a piecewise linear correction method in the force value detection section ensures high accuracy and stability. Notably, this series of ring stiffness testing machine has passed CE certification for EU products.

Working Principle: First, according to the standard for the determination of ring stiffness of thermoplastic pipes, the ring stiffness is determined by the force value and deformation measured when the pipes are deformed at constant speed. The pipe sample is placed horizontally. Subsequently, the compression speed of the plate is determined according to the pipe diameter, and pressure is applied to the sample with two parallel plates in the vertical direction. Finally, the ring stiffness is calculated by the force at 0.03 di (where di is the inner diameter of the tube specimen).

Standards, Working Conditions, and Technical Parameters

Standards Compliance: This pipe ring stiffness tester complies with the following standards: GB/T 9647 and ISO 9969.

Working Conditions:

• Environment temperature: 10°C – 40°C
• Environment relative humidity: 30% – 80%
• Installation requirements: No vibration or corrosive media around the installation site
• Foundation: Correctly installed and leveled on a stable foundation
• Environmental interference: No strong magnetic field interference or strong convection in the surrounding air

Technical Parameters:

• Maximum test force: 50 kN (±1% of indicated value)
• Test force measurement range: 0 – 50 kN (±1.0% of indicated value)
• Test force resolution: 5/10,000 of maximum test force
• Relative displacement error: ±1%
• Beam displacement measurement resolution: 0.001 mm
• Beam speed range: 0.1 – 500 mm/min
• Effective compression space: 1,500 mm
• Inner diameter measurement range: Φ200 mm – Φ1,500 mm
• Ring stiffness test width: 1,100 mm
• Power supply: 220V ±10%, 50Hz
• Mechanical structure: Door type
• Overall dimensions: 1,600(L) × 560(W) × 2,060(H) mm
• Lead screw: Ball screw

JSW-JL-450M Falling Mass Impact Testing Machine

Product Features and Safety Systems

The JSW-JL-450M Falling Mass Impact Testing Machine incorporates a comprehensive suite of advanced features designed for safe, precise, and efficient impact testing.

Tertiary Protection System: A three-tier safety system ensures maximum operator protection: first, safety protection of the sample cabin hatch; second, observation window and door safety protection; and third, upper and lower limit safety protection.

Rapid Lifting: A high-torque stepping motor achieves a lifting rate of up to 250 mm/s, enabling the hammer to travel from zero to 2 meters in just 8 seconds.

Intelligent Hovering: A multi-stage speed control program ensures the hammer stops smoothly with no positional deviation.

Optimized Drop Hammer Tube: The drop hammer tube employs 3D modeling and an integrated exhaust hole design to minimize wind resistance. Additionally, a hoop reinforcement structure on the tube prevents failure and deformation during operation.

Pneumatic Connection, Release, and Modular Assembly

Pneumatic Connection and Release: Unlike traditional electromagnet systems, the instrument adopts a pneumatic structure with greater force and no risk of burnout. Specifically, hammer connection utilizes 300N long-stroke double cylinders with an ox tendon plate connection surface, ensuring stability without damaging the hammer head. Similarly, the drop hammer release also employs a pneumatic structure, fundamentally eliminating issues such as cable bending, wire breakage, and electrical leakage common in electromagnet systems. Moreover, the pneumatics incorporate an airless automatic locking structure for enhanced safety and reliability.

Integrated Modular Assembly: The mechanical section adopts standard aluminum alloy profile assembly construction, while the electrical section features a 7-inch touch screen and Delta PLC. Consequently, this design achieves process standardization, modular installation, lightweight structure, and high overall strength.

Automation and Technical Specifications

High Degree of Automation: The instrument can automatically perform zero calibration, hammer grasping, hammer lifting, and testing — enabling efficient, unattended operation.

Technical Specifications: Regarding the key performance parameters, the JSW-JL-450M impact testing machine delivers exceptional testing capability across a comprehensive range of specifications:

• Impact height: 10 – 3,000 mm (±2 mm)
• Overall dimensions: L 730 mm × W 700 mm × H 4,520 mm
• Energy losses: 0.25%
• Weights (customized by customer): Permissible tolerance ±0.5%
• Nose and masses of striker: Depending on customer standards
• Anti-rebound catching rate: 100%
• Test specimen range: 10 mm – 450 mm
• Weight: 500 kg