2025 - 01 - 08

What are the specific differences between diamond wire and diamond saw wire?

The main differences between diamond wire and diamond saw wire are as follows: Material and Structure: Diamond wire is primarily composed of steel wire and a coating, where the steel wire serves as the base material with a surface coating of metal nickel or other alloys to act as a carrier for diamond micro-powder. Diamond saw wire, on the other hand, consists mainly of diamond particles, usually bonded with metal or resin to form cutting tools. Purpose and Applications: Diamond wire is mainly used for cutting hard and brittle materials such as silicon wafers, solar panels in the photovoltaic industry, sapphires, magnetic materials, etc. Diamond saw wire is widely used for cutting and processing construction materials such as stone, concrete, ceramics, and others. Cutting Efficiency and Quality: Due to its high speed and efficiency, diamond wire can achieve higher precision and smoother cutting surfaces during the cutting process. While diamond saw wire can also provide good cutting results, it may not be as efficient as diamond wire when cutting certain hard materials.      4.Cost and Price: Generally, diamond wire has a higher cost because of its complex manufacturing process involving precision coating techniques and high-quality steel wire materials.   ...

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2024 - 12 - 27

Diamond Wire Loop Research in Silicon Crystal Cutting

Introduction: In recent years, with the widespread application of superhard materials, the development of cutting and processing technology for hard and brittle materials has been rapid, with new processes, equipment, and methods constantly emerging. Superhard materials mainly refer to diamond and cubic boron nitride (CBN), which appear in forms such as single crystals, polycrystals, and thin films, making them one of the most dynamic and promising materials in the high-tech field today. Diamond is known as the hardest substance in the world, possessing excellent properties such as high thermal conductivity, high insulation, and high chemical stability. It can be used for efficient and precise processing of non-ferrous metals and their alloys like aluminum and copper, especially suitable for processing hard and brittle non-metallic materials. In the past, the cutting of green silicon carbide and lightweight oil mixed in certain proportions to form a mortar not only had low efficiency but also caused severe pollution, making it difficult to meet market demands. The diamond wire loop emerged as a solution and has rapidly developed, with the current smallest outer diameter of the core wire reaching as small as 50 microns. The diamond wire loop fixes tiny diamond particles onto a straight-pulled...

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2024 - 12 - 24

A brief analysis of the current status of wire cutting technology for brittle materials

Cutting and processing of hard and brittle materials are the first set of procedures, thus this process plays a crucial role. In the past, cutting processes included internal (external) circular saw cutting, band saw cutting, etc., which exerted significant cutting deformation forces, resulting in severe damage to the material surface and subsurface after cutting, poor surface shape accuracy, and other reasons that made it difficult to meet the requirements of precision cutting of precious crystals.   Traditional cutting processes with low processing accuracy result in a significant amount of processing allowance for subsequent grinding and polishing processes, leading to a decrease in overall processing efficiency.   In 1974, Bowman J and H Mech adopted the method of reciprocating cutting using free abrasive to cut brittle materials. I Kao and his team have been dedicated to researching the principles and mechanical analysis of free abrasive machining (FAM) technology. They found that the processing time during semiconductor processing is directly proportional to the square of the processed crystal diameter.   The distribution of abrasive grains and the size of abrasive grain mixtures during free abrasive machining both have an impact on processing quality and material removal rate.   Past research has mainly...

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2024 - 12 - 20

A Brief Analysis of Diamond Wire Loop Cutting Technology

In the processing of high-precision components made from hard and brittle materials, cutting plays a crucial role on the equipment. Hard and brittle materials belong to difficult-to-process materials, and cutting, as the first step in material processing, affects the quality of subsequent processes and even influences the ultimate service life of the product.   In order to meet the requirements of high quality, high eficiency and low loss cutting of hard and brittle materials, the machining technology of hard and brittle materials was studied.   The mechanism of cutting hard britle materials based on britle fracture mechanics theory, the indentation crack growth process, proved that the hard brittle materials can realize the plastic removal under certain conditions, and discuss the critical condition of brittle ductile transition.   According to the shape. size and distribution of particles of diamond wire, a hard brittle material of diamond wire cutting geometry model, the average cuting depth of diamond wire section of single particle and single particle of actual cutting depth is calculated, and the diamond wire cutting eficiency were analyzed and provide a theoretical basis for cutting hard brittle materials with high quality and high efficiency. According to the requirement of hard brittle...

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