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PWS-10 ~ 3000 microcomputer control electro-hydraulic servo and static universal test machine
1. Microcomputer-controlled electro-hydraulic servo dynamic and static universal testing machine is composed of main engine, pump station, servo control system, computer and software system, test accessories and piping system, etc. The main engine is double column (300kN and below) or four column ( 500kN and above) frame-type self-reflective force structure . The development concept of "unitization, modularization, and standardization" is adopted , and the key supporting components are selected from famous brand products of similar products at home and abroad, which greatly improves stability and reliability of the testing machine . The key units of the testing machine are all manufactured with today's advanced technology, which can be conveniently equipped with special aids and accessories to complete the user's specific test , and the overall performance is at the forefront of technology .
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PWS-10 ~ 3000 microcomputer control electro-hydraulic servo and static universal test machine
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1. Microcomputer-controlled electro-hydraulic servo dynamic and static universal testing machine is composed of main engine, pump station, servo control system, computer and software system, test accessories and piping system, etc. The main engine is double column (300kN and below) or four column ( 500kN and above) frame-type self-reflective force structure . The development concept of "unitization, modularization, and standardization" is adopted , and the key supporting components are selected from famous brand products of similar products at home and abroad, which greatly improves stability and reliability of the testing machine . The key units of the testing machine are all manufactured with today's advanced technology, which can be conveniently equipped with special aids and accessories to complete the user's specific test , and the overall performance is at the forefront of technology .
2. Applicable standards:
GB/T 2611-2007 "General Technical Requirements for Testing Machines"
JB/T 9397-2013 "Technical Conditions for Tension and Compression Fatigue Testing Machines"
GB T 3075-2008 "Metallic Material Fatigue Test Axial Force Control Method"
GB T 6398-2017 "Metallic Materials Fatigue Test Fatigue Crack Growth Method"
GB T 4337-2015 "Metallic Fatigue Test Rotational Bending Method"
GB/T 12443-2017 "Torque Control Fatigue Test Method for Metallic Materials"
GB∕T7732-2008 "Test method for fracture toughness of tensile specimens with cracks on the surface of metal materials"
GB-T 2107-1980 "Metal High Temperature Rotating Bending Fatigue Test Method"
GB/T10622-1989 "Metallic Materials Rolling Contact Fatigue Test Method"
GB/T 15248-2008 "Metallic Materials Axial Constant Amplitude Low Cycle Fatigue Test Method"
According to the different requirements of customers or special purposes, the testing machine is applicable to the following standards
ISO 12108-2012 "Metallic Materials Fatigue Test Fatigue Crack Growth Method"
ISO 12107-2003 "Metallic materials. Fatigue tests. Statistical planning and analysis of data"
GB/T 6398-2000 "Metallic Materials Fatigue Crack Growth Rate Test Method"
ASTM E647-08 "Measurement of Fatigue Crack Growth Rate"
ASTM E606/E606M-2012 "Standard Test Method for Strain Control Fatigue Test"
ASTM E468-2018 "Standard Practice for Presentation of Constant Amplitude Fatigue Test Results of Metallic Materials"
ISO 12106-2003 "Metallic Materials - Fatigue Test - Axial Strain Control Method"
ISO 1099-2017 "Metallic materials. Fatigue test. Axial force control method"
3. Main technical parameters:
(1) Parameters of main engine and pumping station:
|
project |
PWS 10 ~100 |
PWS -300 |
PWS 500~3000 |
|
Number of columns |
2 |
2, 4 |
4 |
|
Maximum distance between hydraulically forced chucks ( mm) |
500 ~550 |
550 ~ 900 |
1000 ~1500 |
|
Column center distance ( mm) |
4 00~750 |
1100*900~1700X900 |
|
|
Total flow of pump station ( L/min) |
15 ~70 |
110 ~280 |
|
|
Pump station pressure ( Mpa) |
21 ~24 |
||
|
Total power of pumping station ( kW) |
7.5 ~30 |
45 ~110 |
|
|
weight ( kg) |
1000~4000 |
8000~18000 |
|
(2) Measurement and control parameters:
|
project |
PWS-10~100 |
PWS 300~3000 |
|
Maximum static test force ( kN) |
±10 ~ ±100 |
±300 ~ ±3000 |
|
Maximum dynamic test force ( kN) |
±7 ~ ±75 |
±200 ~ ±2000 |
|
Test force indication accuracy |
Within the range of 2%-100%FS , each point is ±1.0% , precision grade ± 0.5 % |
|
|
Fluctuation of dynamic indication value of test force |
0.5%FS |
|
|
Actuator maximum displacement ( mm) |
±50 ~ ±75 |
±75 ~ ±175 |
|
Displacement accuracy |
±0.5%FS |
|
|
Frequency range ( Hz) |
0.5—20Hz； |
0.01-30 import controller 0.01-50 |
|
Main test waveform |
Sine wave, square wave, triangle wave, trapezoidal wave, ramp wave and external input wave, etc. |
|
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