相关实验视频
Updated: Jun 17, 2025

06:51
Measuring the Complete-arch Distortion of an Optical Dental Impression
Published on: May 30, 2019
7.5K
坐标系统设置用于用线弧DED对叶轮形状的后加工,并评估加工效率
Hwi Jun Son1, Bo Wook Seo1, Chang Jong Kim1
1Department of Smart Manufacturing Engineering, Changwon National University, Changwon-si, 51140, Korea.
Scientific reports
|August 6, 2024
概括
电弧增材制造 (WAAM) 能够快速生产大型复杂的金属零件,如螺旋. 这项研究优化了WAAM用于叶轮制造,通过集成后处理证明了提高效率和可靠性.
科学领域:
- 材料科学与工程 材料科学与工程
- 制造过程 制造过程 制造过程
- 增材制造 增材制造 增材制造
背景情况:
- 电弧增材制造 (WAAM) 是一种直接能量沉积 (DED) 工艺,用于金属零件制造的弧.
- WAAM擅长快速生产大型复杂的金属组件,但由于表面不规则和尺寸错误,往往需要大量的后处理.
- 驱动器是流体输送系统中的关键组件,由于其复杂的几何形状和在传统加工过程中大量的材料浪费,因此存在制造方面的挑战.
研究的目的:
- 开发和验证一个电弧增材制造 (WAAM) 工艺,用于生产直径为160毫米的螺旋.
- 优化制造参数,以提高WAAM螺旋制造中的生产率和质量.
- 整合后处理步骤,包括机器人和工具路径设计,以最大限度地减少错误并提高整体过程可靠性.
主要方法:
- 通过WAAM,使用Inconel 625合金线增材制造一个6叶片风扇型螺旋.
- 实验确定最佳制造条件,平衡生产率和质量.
- 设计用于后处理的机器人和工具路径,重点是减少工件处理期间的坐标系统错误.
主要成果:
- 通过使用WAAM工艺开发的160毫米直径的Inconel 625螺旋的成功增材制造.
- 确定制造参数,确保高生产率和所需的产品质量.
- 通过优化后处理路径规划,证明了减少过程协调系统错误.
结论:
- 当WAAM过程经过优化并与智能后处理集成时,它为制造复杂的螺旋提供了可行的和高效的方法.
- 该研究证实,与传统制造方法相比,生产效率和工艺可靠性得到了提高.
- 这项研究强调了WAAM在复杂几何和材料效率至关重要的高价值组件中的潜力.
相关概念视频
Centroid of a Body: Problem Solving
1.1K
The centroid of a body is a crucial concept in engineering and physics. Finding the centroid of a body can help determine its stability, its balance point, and even its design. In this context, consider a thin wire bent in the form of a quarter circular arc. Polar coordinates are used to calculate the centroid. The wire is first divided into small differential elements of a length equal to the radius multiplied by the differential angle.
The x-coordinates and y-coordinates of each element's...
The x-coordinates and y-coordinates of each element's...
1.1K
Transmission Shafts: Problem Solving
218
Designing a solid shaft that transmits power from a motor to a machine tool involves a series of calculations to ensure the shaft can withstand the stresses applied by bending moments and torques. First, calculate the torque exerted on the gear, considering the power transmitted by the shaft and its rotational speed. Following this, compute the tangential forces acting on the gears, which directly relate to the torque and the gear radius.
Next, use bending moment diagrams for the shaft to...
Next, use bending moment diagrams for the shaft to...
218
Angle of Twist: Problem Solving
267
An electric motor applies a torque of 700 N·m to an aluminum shaft, triggering a stable rotation. Two pulleys, B and C, are subjected to torques of 300 N·m and 400 N·m, respectively. The modulus of rigidity is provided as 25 GPa. With the knowledge of the length and diameter of each segment, the twist angle between the two pulleys can be computed. First, a section cut is made between pulleys B and C, and the cut cross-section is analyzed using a free-body diagram. Given that the...
267
Stress Concentrations in Circular Shafts
167
Consider the elastic torsion formula, which applies to a circular shaft with a consistent cross-section. This formula assumes that the shaft's ends are loaded with rigid plates firmly attached. However, in many cases, torques are applied to the shaft through mechanisms like flange couplings or gears, which are connected by keys inserted into keyways. This application method modifies the stress distribution near the point of torque application, causing it to deviate from the distributions...
167
Node Analysis for AC Circuits
306
Consider an angioplasty system featuring a catheter equipped with a turbine, a critical tool for removing plaque deposits from coronary arteries. This intricate medical device operates using a circuit model reminiscent of a dual-node RLC circuit powered by a current-controlled voltage source.
To unravel the complexities of this system, nodal analysis is employed, a powerful technique founded on Kirchhoff's current law (KCL), which remains valid for phasors. AC circuits can effectively be...
To unravel the complexities of this system, nodal analysis is employed, a powerful technique founded on Kirchhoff's current law (KCL), which remains valid for phasors. AC circuits can effectively be...
306
Unsymmetric Loading of Thin-Walled Members: Problem Solving
96
The shear center of a channel section with uniform thickness, height, and width, is determined by computing the shear force in the member and calculating the moments of inertia of the sections.
To compute the shear forces, find the shear flow at a specific distance from the endpoint using the vertical shear and the moment of inertia values. The total shear force on the flange is calculated by integrating the shear flow from one end of the flange to the other.
Next, calculate the moments of...
To compute the shear forces, find the shear flow at a specific distance from the endpoint using the vertical shear and the moment of inertia values. The total shear force on the flange is calculated by integrating the shear flow from one end of the flange to the other.
Next, calculate the moments of...
96

