数字模拟和工具参数优化合金传输中间的数字模拟和工具参数优化
Haiyue Zhao1, Yan Cao2, Yu Bai1
1School of Mechatronic Engineering, Xi'an Technological University, No.2 Xuefu Middle Street, Weiyang District, Xi'an, 710021, China.
Scientific reports
|February 20, 2024
概括
优化完整的终端磨床侧边的参数显著改善合金外的完成. 工具的切削,特别是宽度和角度,是减少切削力,温度和提高表面质量的关键.
科学领域:
- 制造业 工程 制造工程
- 材料科学 材料科学 材料科学
- 机械工程 机械工程
背景情况:
- 由于复杂的形状,合金传动会带来制造方面的挑战.
- 优化加工流程对于提高效率和表面质量至关重要.
研究的目的:
- 为了研究完整的末端磨砂机侧边的参数对合金工件的加工效果的影响.
- 优化工具参数,以提高切割性能和表面质量.
主要方法:
- 使用有限元建模 (DEFORM-3D) 来模拟2D切割过程.
- 使用正交测试和范围分析来研究参数效应.
- 用火优化算法进行参数调整.
主要成果:
- 刀具切削参数 (宽度和角度) 显著影响切削力,温度和表面粗度.
- 刀片宽度对切削力影响最大,而刀片角对切削温度影响最大.
- 最佳的切割效率和表面质量是在0.17毫米的宽和7.3°或18.3°的角度实现的.
结论:
- 有限元模拟和直角测试方法的准确性和合理性得到了验证.
- 优化整体终端边缘参数为薄壁合金外加工提供了实用价值.
- 在提高表面粗性方面,工具削比和缓解角度更为关键.
相关概念视频
Transmission Shafts: Problem Solving
232
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...
232
Design of Transmission Shafts
300
The design of a transmission shaft is governed by two primary specifications: the power it transmits and its rotational speed. These parameters guide the selection of the shaft's material and cross-sectional dimensions, ensuring that the material's maximum shearing stress remains within the elastic limit while transmitting the desired power at the given speed. The system's power is intrinsically linked to the applied torque. The torque applied to the shaft can be calculated by...
300
Design of Transmission Shafts - Stress Analysis
357
Designing a transmission shaft requires a thorough understanding of the stresses induced by bending moments and torques, especially in systems where power is transferred through gears. These forces create force-couple systems at the centers of the shaft's cross-sections, leading to both transverse and torsional loading. Although shearing stresses from transverse loads are typically smaller than those from torques and are often overlooked, the significant normal stresses from these loads...
357
Thin-Walled Hollow Shafts
189
In analyzing a thin-walled hollow shaft subjected to torsional loading, a segment with width dx is isolated for examination. Despite its equilibrium state, this segment faces torsional shearing forces at its ends. These forces are quantitatively described by the product of the longitudinal shearing stress on the segment's minor surface and the area of this surface, leading to the concept of shear flow. This shear flow is consistent throughout the structure, indicating a uniform distribution...
189
Stress Concentrations in Circular Shafts
175
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...
175
Screw: Problem Solving
415
In mechanical engineering, the interaction between a threaded screw shaft and a plate gear involves analyzing the resisting torque on the plate gear that can be overpowered when a specific torsional moment is applied to the shaft. To better comprehend this concept, consider a generic situation with a threaded screw shaft with a given mean radius and lead and a plate gear with a specified mean radius. The coefficient of static friction between the screw and gear is also provided.
To evaluate the...
To evaluate the...
415


