A method for measuring the thickness of diamond wire coating
A technology of coating thickness and measurement method, which is applied in the measurement field of diamond wire coating thickness, can solve the problems of large deviation and inability to obtain accurate values, and achieves the effects of improving accuracy, high accuracy of test results, and easy promotion.
Active Publication Date: 2016-03-30
ZHENJIANG NAISI ADVANCE MATERIALS
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Problems solved by technology
For diamond wire, its diameter is very small (about 150 μm to 250 μm in diameter), and the surface is inlaid with densely distributed particles. Conventional diameter measuring equipment such as micrometers and laser measuring instruments can only measure the diameter of steel wire with a smooth and uniform surface. Used to measure the diameter of diamond wire, it will cause too much deviation and cannot get an accurate value
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[0020] A method for measuring the thickness of a diamond wire coating, comprising the steps of:
[0021] Step 1, put the steel wire with a diameter of 3-4mm into the cutting machine, cut along the direction perpendicular to the axial direction of the steel wire, and obtain a steel wire with a length of 7mm and a smooth bottom surface, on the side wall of the steel wire near the smooth bottom surface (cutting surface) Use 5mm long double-sided tape to stick a circle around the side wall along the axial direction of the steel wire;
[0022] Step 2, evenly stick 12 sections of diamond wire with the same length as the double-sided tape on the double-sided tape along the axial direction of the steel wire;
[0023] Step 3, place the cut surface of the steel wire glued with the diamond wire on the lower mold surface of the mounting machine smoothly, and pour the mounting powder for mounting;
[0024] Step 4, grinding, polishing and corroding the inlaid sample by metallographic analy...
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Abstract
The invention discloses a diamond wire plating thickness measuring method which comprises the following steps that 1. a steel wire with a smooth bottom face is taken, a double-faced adhesive tape is used for winding the side wall, close to the smooth bottom face, of the steel wire by a circle in the axial direction of the steel wire; 2. a diamond wire which has the same length as the double-faced adhesive tape adheres to the double-faced adhesive tape in the axial direction of the steel wire; 3. the steel wire bound with the diamond wire is placed on an insetting machine, insetting powder is poured in for insetting; 4. inset samples are polished and corroded with a metallographic structure analysis method; 5. diamond wire plating thickness is measured through measuring software under 500-times magnification of a microscope. The measuring method has high operability, repeatability and reproducibility, accuracy of detecting results is greatly improved, diamond thickness measuring is very convenient under the microscope, and accordingly the diamond wire surface plating thickness can be known accurately. The method is easy to operate, accuracy of measuring results is high, and popularizing is convenient.
Description
technical field [0001] The invention relates to a method for measuring the thickness of a diamond wire coating. Background technique [0002] Diamond wire is a steel wire coated with diamond on the surface. It is generally used to cut sapphire and other materials. The coating thickness on the surface of diamond wire directly affects the cutting effect. According to the technical requirements, the thickness of the coating on the surface of diamond wire needs to be adjusted. Measurement. [0003] At present, there are no standards for the relevant operation steps and methods of the measurement method for the thickness of the coating on the surface of the diamond wire. Without unified operations and standards, the accuracy of the test results cannot be guaranteed. Ordinary coated steel wire can measure the radius of the substrate and the radius after the coating, and subtract the former from the latter to obtain the coating thickness of the steel wire. For diamond wire, its d...
Claims
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IPC IPC(8): G01B11/06
Inventor 杨建勇张吉仁
Owner ZHENJIANG NAISI ADVANCE MATERIALS