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相关概念视频

Adjusting a Traverse01:12

Adjusting a Traverse

51
In the site survey of a four-sided traverse, internal angles are essential to ensure geometric accuracy. The survey revealed that the sum of the measured internal angles was 359 degrees and 48 minutes, which is 12 minutes less than the expected 360 degrees. This discrepancy signals an error likely arising from measurement inaccuracies during the fieldwork.To rectify this error, the adjustment process involved distributing the 12-minute shortfall equally across the four internal angles. By...
51

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相关实验视频

Updated: Jun 9, 2025

Large-area Scanning Probe Nanolithography Facilitated by Automated Alignment and Its Application to Substrate Fabrication for Cell Culture Studies
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精密工具对齐技术在机械加工中的研究进展

Qimeng Liu1,2, Junxiang Jiang1, Wencui Xiu1

  • 1School of Mechanical and Civil Engineering, Jilin Agricultural Science and Technology University, Jilin 132101, China.

Micromachines
|October 26, 2024
PubMed
概括
此摘要是机器生成的。

工具对齐技术对于数控加工精度至关重要. 本综述涵盖接触和非接触方法,包括试验切割,工具预设,图像识别和基于激光的技术,用于精确的工具定位.

关键词:
工具设置 工具设置工具设置装置 工具设置装置工具设置方法 工具设置方法试验切割的切割方法

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科学领域:

  • 数字控制机械加工 数字控制机械加工
  • 计量学 计量学 计量学
  • 制造工程 制造工程 制造工程

背景情况:

  • 工具对齐对于确保数字控制 (NC) 加工的精度和质量至关重要.
  • 精确的工具定位直接影响加工零件的精度.
  • 精密加工的进步需要在工具对齐技术的不断发展.

研究的目的:

  • 为了分类和审查各种工具对齐方法.
  • 讨论常用的工具对齐技术和设备.
  • 提供国际工具对齐仪器产品当前状况的概述.

主要方法:

  • 将工具对齐分为接触式和非接触式方法的分类.
  • 接触方法的描述:试验切割和接触工具预设器.
  • 解释非接触方法:图像识别,激光衍射和激光直接测量.

主要成果:

  • 接触方法提供直接测量,但可能是低效的 (试验切割) 或需要专门的设备 (预设器).
  • 无接触方法,如图像识别和基于激光的技术,适用于高精度应用,避免物理接触.
  • 激光衍射和激光直接方法利用激光技术精确,无接触的工具定位.

结论:

  • 工具对齐方法的选择取决于所需的精度和应用.
  • 无接触方法,特别是基于激光和图像识别的方法,是高精度工具对齐的最前沿.
  • 了解这些技术的分类和发展状态是提高加工精度的关键.