PURPOSE: A three-point-support bending tester is provided to add the added bending loads to a specimen by using a jack screw and to measure the loads actuating on the specimen by using a load cell. CONSTITUTION: A three-point-support bending tester comprises a tetragonal frame(101), a load cell attaching piece(102), a load cell(103), a jack screw(104), a load addition steering wheel(105), a specimen holder(106), a specimen holder accommodating piece(109), and a support(110). The load cell attaching piece is fixed on the upper part of the tetragonal frame. The load cell is fixed on the load cell attaching piece. One end part of the jack screw is attached on the load cell. The load addition steering wheel adds loads to the jack screw. The specimen holder is arranged in the lower part of the load addition steering wheel. The specimen holder accommodating piece accommodates the specimen holder. A load adding probe is extended form the other side of the jack screw and arranged in the lower part of the specimen holder. A specimen is arranged between the specimen holder and load adding probe. The support fixes the tetragonal frame to a floor.
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