A sample grinding machine suitable for corrosion test samples
A technology of corrosion test and sample grinding machine, which is applied in the preparation of test samples, etc., can solve the problems of not being able to partially grind samples, not be able to grind single-sided scratched samples, and not be able to clamp back guide lines, etc., and achieve a simple structure. Effect
Active Publication Date: 2018-01-02
CHINA SPECIAL EQUIP INSPECTION & RES INST
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Problems solved by technology
[0009] In order to solve the problems that the traditional sample grinding machine cannot clamp the sample with the back guide line, cannot grind the single-sided scratch sample, and cannot locally grind the sample, etc., the present invention provides a sample grinding machine suitable for corrosion test samples. The sample grinding machine includes a shell, sandpaper, sandpaper bead, indenter, indenter motor, fixture, cushion block, drive motor, indenter arm and indenter arm fixing unit, and the described sandpaper, sandpaper bead, cushion block and drive motor are arranged in In the housing, one end of the indenter arm is fixed on the indenter arm fixing unit, and the other end is provided with an indenter, an indenter motor and a fixture, and the corrosion test sample is clamped and fixed by the fixture. Above the fixture is a pressure head structure, and the pressure of the pressure head is provided by the pressure head motor
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[0017] A sample grinding machine suitable for corrosion test samples of the present invention will be further described in detail below in conjunction with the accompanying drawings and examples.
[0018] The invention provides a kind of grinding machine suitable for corrosion test samples, such as Figure 1 ~ Figure 3 As shown, the sample grinding machine is enclosed by a casing 1 to fix internal components, and all of them are sealed and provided with water guide grooves to prevent water from entering the internal electrical system. The sample 2 is pressed on the upper surface of the sandpaper 7 by the indenter 3, and several contact points on the indenter 3 corresponding to the sample 2 are set as force application points. In order to ensure the comprehensive contact between the sample 2 and the sandpaper 7, Head 3 can adopt soft material to make, as elastomers such as rubber, thermoplastic copolymer, the best is the various rubbers after vulcanization. The force exerted b...
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The invention provides a sample grinding machine suitable for corrosion test samples, which is suitable for corrosion test samples. The sample grinding machine includes a shell, sandpaper, sandpaper bead, indenter, indenter motor, fixture, cushion block, drive motor, indenter arm and indenter arm fixing unit, and the described sandpaper, sandpaper bead, cushion block and drive The motor is arranged in the housing, and one end of the indenter arm is fixed on the indenter arm fixing unit, and the other end is provided with the indenter, the indenter motor and the fixture. The invention guarantees that the corrosion test sample to be clamped can be automatically polished, and the grinding method simulates the standard manual grinding, can be intermittently polished in the vertical and horizontal directions, and can be partially polished to obtain a corrosion test sample with a smooth surface. and the sample grinding machine is simple in structure, easy to use, and can solve the shortcomings of the existing sample grinding machine.
Description
technical field [0001] The invention relates to a sample grinding machine suitable for corrosion test samples, in particular to a sample grinding machine composed of a reciprocating motor and a movable sample holding tool. Background technique [0002] Universities, scientific research institutes and factories often carry out small-scale corrosion experiments, among which are mainly encapsulated round samples (for electrochemical experiments), flat dumbbell-shaped samples (for stress corrosion experiments), rectangular sheet-shaped samples sample (for weight loss test) and strip-shaped sheet sample (for intergranular corrosion test). [0003] The grinding of samples for corrosion test is different from traditional mechanical samples and metallographic samples: [0004] (1) First of all, the surface of the sample is required to be smooth, so it is often necessary to polish to a higher number of sandpaper; [0005] (2) Secondly, the surface of the sample is required to be po...
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IPC IPC(8): G01N1/32
Inventor 赵博寿比南于宇新张雪涛顾宝兰郭静
Owner CHINA SPECIAL EQUIP INSPECTION & RES INST