SM1090V Rotational Bending Fatigue Testing Machine
In a metal fatigue testing machine that applies a constant bending moment to a rotating round bar, the fatigue characteristics of materials and structural components are examined. The compact tabletop testing machine consists of an electric motor, a specimen fixation chuck, a cymbal system that applies a constant load in the vertical direction (downward), and a variable load system. The control unit digitally displays the load, rotation speed, and the number of repetitions (rotations) after the start. If the transparent protective cover is removed, the interlock switch stops the motor and also halts the count. Additionally, if the specimen breaks, the motor stops, clearly indicating the final cycle count. Three types of specimens (iron, aluminum, and brass) are prepared, and S-N curves (rotational bending fatigue curves) are plotted from the repeated stress (MPa) and the number of repetitions (rotations) to verify the properties of the materials and fatigue limits. Using the accompanying software (VDAS), measurement data can be displayed in real-time on a computer (sold separately), allowing for the collected data to be calculated and charted, thus facilitating a smooth progression of the experiment.
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basic information
SM1090V Specifications Testing Machine Dimensions: L600 x W350 x H400 mm, approximately 30 kg Control Unit Dimensions: L400 x W350 x H180 mm, approximately 7.5 kg Maximum Repeated Stress σ: approximately 340 MPa (340 N/mm²) Maximum Repeated Load F: approximately 76 N, vertical load Maximum Number of Repetitions (Rotations): 9.99 x 10^8 times Repetition Speed: approximately 0 to 3800 rpm (approximately 64 Hz) Test Specimen Fixing: Collet chuck type Accessories: Test specimens, software (VDAS-Onboard), USB cable (for computer connection) PC Environment (sold separately): Windows 8 or higher Power Supply: Single-phase AC 100V, 12A, 50Hz/60Hz (with AC100-AC230V transformer) Included Test Specimens Steel (RF1010): 20 pieces (BS 970 230M07), tensile strength = 460 MPa, yield stress = 310 MPa Aluminum (RF1020): 20 pieces (2011 T6), tensile strength = 395 MPa, minimum yield stress = 220 MPa Brass (RF1030): 20 pieces (CZ121), tensile strength = 410 MPa, yield stress = 160 MPa
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Applications/Examples of results
A metal fatigue testing machine that applies a constant bending moment to a rotating cylindrical rod to investigate the fatigue characteristics of materials and structural components. Delivery achievements: Universities, technical colleges, high schools, etc.
Detailed information
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VDAS Data Software Reference Screen (Accessories)
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S-N curve reference graph
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Wiring Reference Diagram for Test Equipment
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Test Overview Diagram
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Test Overview Diagram
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Reference Diagram for Specimen Installation
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Test specimen dimension diagram
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Test specimens *Consumables (sold separately) RF1010 Iron x10 pieces (BS 970 230M07) RF1020 Aluminum x10 pieces (2011 T6) RF1030 Brass x10 pieces (CZ121)
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Reference photo of the specimen mounting section The left side "drive end" is fixed with a collet chuck The right side "load end" has an automatic adjustment bearing and a cymbal
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Company information
Megakemu designs, manufactures, and imports various experimental and practical equipment for universities, junior colleges, technical colleges, high schools, and vocational schools nationwide. While the world has made advancements in various fields, it seems that our Earth's environment is being disturbed by ourselves and is approaching its limits. The world is seeking new Japanese technologies that coexist with the Earth's environment.
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