1. Equipment Overview

1.1 Name, Model, and Specifications

Name: Electro hydraulic servo dynamic and static universal testing machine

model: LF5255

Specification: Maximum load 250kN

1.2 Function Overview

Lishi Scientific Instrument Company LF5255The electro-hydraulic servo dynamic static universal testing system is used for testing applications of general materials. The LF series floor standing loading frame is an ideal choice for conducting tests ranging from material mechanical properties to small component testing. It is suitable for testing applications on various materials, such as composite materials, steel, aluminum alloys, superalloys, and more.

This plan includes a set of 250kNLoad the framework, which is equipped with advanced digital controllers and professional application software in the industry. It is also equipped with several testing accessories such as fatigue testing hydraulic fixtures, crack propagation testing fixtures, and extensometers.

The design and manufacturing of this system equipment should comply with ISO/ASTMAccording to international standards, all components, instruments, and sensors are measured using the International System of Units (SI) standard.

2. Relevant standards

ØASTM D3479Lala fatigue test method,

ØASTM D7615Open the hole/Compression fatigue test method

ØGB/T 3075Method of axial force controlled fatigue testing of metals

ØHB5287Method for axial loading fatigue test of metallic materials

ØJJG 556-2011Axial force fatigue testing machine

3. TECHNICAL INDEX

Specification and model	LF5255
Maximum load (kN)）	250
Accuracy level of testing machine	Static indication accuracy: ± 0.5%； Dynamic loading accuracy: ± 2%；
Relative error of test force indication	Static ± 0.5%Within
Maximum amplitude of actuator	±75 mm
Displacement measurement accuracy	±0.5%FS
Displacement measurement resolutionrate	0.001mm
Relative error of deformation indication	Within ± 0.5%
sampling frequency	10kHZ
Frequency range	0.01-50Hz
Main experimental waveforms	Sine wave, square wave, triangular wave, oblique wave, random waveform, and external input waveform; Can achieve sine waveforms with multiple combinations of different frequencies or amplitudes; Users can customize the random waveform of parameters; User imported custom waveforms
Experimental control method	Load, displacement, and deformation control methods
Dynamic test line speed	The maximum testing speed for the experiment is 50mm/s
Maximum counting range	1000000000
counting error	≤± 1 time
coaxality with load	≤5%
Load sensors have the ability to resist overload	300%, fatigue level.
Effective distance between columns (mm)）	675mm
Maximum experimental space (mm)）	1600mm(Excluding hydraulic fixtures)
Specification of constant pressure servo pump station	internet traffic114L/min，21Mpa， Motor Power60kW
Weight (kg)	1600

Online inquiry

Contacts
Company
Telephone
Email
WeChat
Verification Code
Message Content