HJYW-600B microcomputer servo constant stress manhole cover pressure tester
HJYW-600B microcomputer servo constant stress manhole cover pressure tester
1. Introduction to HJYW-600B microcomputer servo constant stress manhole cover pressure tester:
The HJYW-600B microcomputer servo constant stress manhole cover pressure test machine is a high-precision material testing equipment that uses hydraulic power source drive, electro-hydraulic servo control technology, computer data acquisition and processing, and can realize closed-loop control and automatic detection. It consists of four parts: test host, oil source (hydraulic power source), measurement and control system, and test instruments. The maximum test force is 600kN, and the accuracy level of the test machine is better than level 1.
The HJYW-600B microcomputer servo constant stress manhole cover pressure tester is used for the load bearing capacity (residual deformation and test load) test of manhole covers of various materials. It can realize closed-loop control such as equal rate loading and equal rate deformation, and can realize the automatic acquisition of technical indicators of the test piece.
2. HJYW-600B microcomputer servo constant stress manhole cover pressure test machine conforms tostandard:
GB/T23858-2009 "Inspecting the manhole cover"
GB/T26537-2011 "Steel fiber concrete inspection manhole cover"
CJ/T211-2005 "Inspecting manhole cover for polymer matrix composite materials"
CJ/T121—2000 "Inspecting manhole cover for recycled resin composite materials"
CJ/T3012 "Cast Iron Inspection Manhole Cover"
GB/T2611 "General Technical Requirements for Testing Machines" and GB/T16826 "Electro-hydraulic servo universal test machine"
3. HJYW-600B microcomputer servo constant stress manhole cover pressure test machineTechnical parameters:
model | HJYW-600B |
Maximum force value | 600KN |
Measurement range | 1%-100%FS (full range is not divided) |
Deformation measurement resolution | 0.001mm |
Relative error | ≤±1% |
Maximum spacing of compression surfaces | 400 mm |
Effective distance between two columns | 1010mm |
Size of upper and lower pressure plates | Φ250×Φ356 mm |
Piston stroke | 400mm |
Maximum speed of piston movement | 120mm/mim |
External dimensions | 1220×1050×1900mm |
Dimensions (control cabinet) | 800×600×1600mm |
power supply | 380V |
The power of the whole machine | 1.8kW (oil pump motor 1.5kW) |
Oil source cabinet weight | 300kg |
Host weight | 2500kg |
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