100kNElectro hydraulic servo dynamic and static universal testing machine

1. Equipment Overview

1.1 Name, Model, and Specifications

Name: Electro hydraulic servo dynamic and static universal testing machine

model: LF5105

Specification: Maximum load of 100kN

1.2 Function Overview

The LF5105 electro-hydraulic servo dynamic static universal testing system from Lishi Scientific Instrument Company 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 scheme includes a 100kN loading framework, which is equipped with advanced digital controllers and professional application software in the industry. It is also equipped with fatigue test specific hydraulic fixtures, crack propagation test fixtures, extensometers and other test accessories.

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

1.3 Relevant standards

ØASTM D3479 Pull fatigue test method,

ØASTM D7615 Open Hole Tensile/Compression Fatigue Test Method

ØGB/T 3075 Metallic Axial Fatigue Test Method

ØHB5287 Metallic Materials Axial Loading Fatigue Test Method

ØGB/T 15248-2008 Metallic Materials Axial Equal Amplitude Low Cycle Fatigue Test Method

ØGB/T 6398-2000 Test Method for Fatigue Crack Growth Rate of Metallic Materials

ØGB/T 4161-2007 Metallic materials - Plane strain fracture toughness KIC test method

ØGB/T21143Unified test method for quasi-static fracture toughness of metallic materials

ØASTM 1290Test method for measuring crack tip opening displacement (CTOD) and crack toughness

ØASTM-E399 Metallic Materials Linear Elastic Plane Strain Fracture Toughness KIC Test Method

ØJJG 556-2011Axial force fatigue testing machine

2. TECHNICAL INDEX

Specification and model	LF5105
Maximum load (kN)）	100
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 resolution	0.001mm
Relative error of deformation indication	±0.5%Within
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	109
counting error	≤±1order
coaxality with load	≤5%
Load sensors have the ability to resist overload	300%, fatigue level.
Effective distance between columns (mm)）	540mm
Maximum experimental space (mm)）	1100mm(Excluding hydraulic fixtures)
Specification of constant pressure servo pump station	internet traffic40L/min，21Mpa， Motor Power30kW
Weight (kg)	1200

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