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Mechanical creep endurance testing machine
LRJ-50 microcomputer-controlled mechanical creep and durability testing machine (hereinafter referred to as the testing machine) is mainly used for the detection of mechanical properties of superalloys, titanium alloys, other ferrous metals and non-ferrous metals. The steady state creep rate, creep limit, creep elongation, lasting breaking time, lasting strength limit, elongation after lasting breaking, section shrinkage and lasting notch sensitivity coefficient were measured.
Introduction
Product presentation：
LRJ-50 microcomputer-controlled mechanical creep endurance testing machine (hereinafter referred to as the testing machine) is mainly used for the detection of mechanical properties of superalloy, titanium alloy, other ferrous metals, non-ferrous metal materials, to determine the steady state creep rate, creep limit, creep elongation, lasting break time, lasting strength limit, elongation after lasting break, section shrinkage, lasting notch sensitivity coefficient.
Parameters
Technical specification：
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Model |
LRJ-50 |
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Try
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Maximum test force（kN） |
50 |
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Maximum test force（%FS） |
2 ~ 100 (inside and out) |
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Relative error of indication（%） |
±0.5 |
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The relative change value of the test force indication value（%） |
±0.5 |
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Minimum weight force value（N） |
1 |
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Lever ratio |
1:50 |
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Automatic leveling range(mm) |
±0.1 |
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Speed
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Drag bar speed（mm/min） |
0-50mm/min |
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Pull rod stroke(mm) |
0～150 |
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Relative error of timing indication value(%) |
±0.1 |
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change
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Deformation measuring sensor |
Linear encoder |
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Extensometer gauge length（mm） |
50、100 |
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Deformation measurement resolution（mm） |
0.001 |
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Deformation measurement error |
0～10mm 、 ±0.002mm |
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Coaxiality（%） |
Be superior to8 |
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Electric source |
220V、50Hz、1.0kw |
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Electric furnace and temperature control system |
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Open-air furnace, resistance wire heating, three-stage temperature control |
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Maximum temperature℃ |
1200 |
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Temperature range℃ |
Temperature fluctuation℃ |
Temperature gradient℃ |
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|
200～600 |
±2 |
2 |
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600～900 |
±3 |
3 |
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900～1200 |
±4 |
4 |
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Effective heat sharing zone length（mm） |
150 |
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Electric furnace structure dimensions（mm） |
Inside diameter Φ90 shape Φ320X460 |
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Life of electric furnace |
≤ 1200℃ continuous working time, greater than 5000 hours |
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Electric furnace surface temperature℃ |
≤90（mean） |
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Heating power KW |
6 |
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Tie rod and chuck material |
K465 |
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