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          1、概念

          由于機械制造中使用的刀具基本上都用于切削金屬材料,所以“刀具”一詞一般就理解為金屬切削刀具。各種刀具的結構都由裝夾部分和工作部分組成。整體結構刀具的裝夾部分和工作部分都做在刀體上;鑲齒結構刀具的工作部分(刀齒或刀片)則鑲裝在刀體上。刀具切削部分的幾何參數對切削效率的高低和加工質量的好壞有很大影響。增大前角,可減小前刀面擠壓切削層時的塑性變形,減小切屑流經前面的摩擦阻力,從而減小切削力和切削熱。但增大前角,同時會降低切削刃的強度,減小刀頭的散熱體積。

          2、測量要素

          前角、后角、刃口寬度厚度、刃口缺陷等

          3、測量難點

          在一定程度上,刀具的精度決定了加工的產品的精度。隨著機械加工要求越來越高對刀具的要求和磨損也越來越精確。通常當后刀面磨損達0.7毫米時,應更換刀片刃口;精加工時磨損量為0.04毫米。隨著工業發展,這一要求越來越低,對應的測量其一行業也需要提高檢測儀器的精度和測量效率,來滿足機械工業發展需求。

          4、解決方案

          天準儀器的發展順應市場需求,研發了VME系列和VMQ100系列來應對刀具集合尺寸測量的精度難題和效率難題,同時彌補分兩臺機器檢測尺寸和損傷的市場缺陷。VME系列,配置光學放大鏡頭,高精度查看表面損傷。大視野VMQ100測量儀器,配置的可升降表面光,可應對刀具刃口角度變化范圍大帶來的檢測清晰度和檢測效率。

          彩8彩票

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