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The selection of grinding wheels should focus on these 4 points.
Release Time:
2022-10-18
Source:
Wen/Today's Headlines;
例如：砂轮制造不合格造成的平衡问题，不平衡的砂轮在高速运转时，会产生振动，从而影响磨削质量，进而影响铸件品质；砂轮的尺寸标准不严格，造成卡盘和砂轮的匹配问题，既会造成设备和材料的浪费；又不符合要求，易造成人身事故。所以选好一款合适的砂轮产品，不仅可以提升铸件品质，还可以减少浪费降低成本以及避免部分事故。
要求性高
砂轮基体为整块Q235钢板，经车床加工、淬火、动平衡等工艺制作而成，工作层与基体之间采用新型高强度纳米金属焊料连接，产品均经过160m/s(转速7700r/min-12000r/min) 的回转、重力拉伸等检测项目。
锋利度高
根据铸件表面光洁度的不同需求，改变金刚石的体积和工作层密度的控制，根据需求把磨削量提升到较好的状态，较高磨削量可达3200g每十分钟，使用寿命内锋利度变化差异太大。
寿命高
采用热压烧结工艺，主磨料为高品级金刚石，均匀分布，工作层以金属粉末为主，厚度可根据需求调节，平均每片寿命可达半年至一年以上。
环保性高
工作层消耗极慢，所以自身基本不产生扬尘，高温烧结过后，自身不会产生有害气体，有效改善工作环境。
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Band gap: determined by the electronic states and atomic configurations of semiconductors, it reflects the energy required for the valence electrons of the atoms that make up this material to be excited from a bound state to a free state; the band gap is an important characteristic parameter of semiconductors. A band gap of zero indicates a metal, a large band gap (generally greater than 4.5 eV) indicates an insulator, and a medium band gap indicates a semiconductor.
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The conduction mechanism of semiconductor materials is achieved through two types of charge carriers: electrons and holes, which are classified as N-type and P-type. Diamond, as a group IV element, can be viewed as having a crystal structure formed by two face-centered cubic structures translated along the body diagonal by 1/4 of the lattice constant. Carbon atoms bond with four neighboring carbon atoms through covalent bonds using sp3 hybrid orbitals, forming a tetrahedral structure. By doping diamond with appropriate elements, its electrical properties can be altered, allowing it to be widely used as a semiconductor material in electrical devices.
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