CIRP Journal of Manufacturing Science and Technology最新文献_第8页

Study of the wall thickness effect on the solidification and mechanical properties of thin-walled SS316L built via LPBF additive manufacturing 壁厚对LPBF增材制造SS316L薄壁凝固及力学性能影响的研究

IF 5.4 2区工程技术 Q2 ENGINEERING, MANUFACTURING

CIRP Journal of Manufacturing Science and Technology

Pub Date : 2025-08-06 DOI: 10.1016/j.cirpj.2025.07.008

Meysam Norouzi-Inallu , Ilkka Poutiainen , Kari Ullakko

This study examines the fabrication of 316 L stainless steel (SS316L) thin-walled structures using the laser powder bed fusion (LPBF) process, with a focus on the influence of wall thickness and post-processing heat treatment on microstructural evolution and mechanical properties. As-built samples exhibited consistent epitaxial growth of the columnar grain structures aligned with the build direction in narrow dimensions. Thinner samples (0.6 mm wall thickness) showed more significant heat accumulation and slower cooling rates than thicker samples (1.0 mm wall thickness), with the former exhibiting substantial longitudinal grain growth, reduced residual stress, and lower tensile strength. Additionally, the thinner samples developed a stronger < 111 > texture, aligning with the build direction, which contributed to a decrease in microhardness and dislocation density. The high-temperature homogenization treatments refined the microstructure, leading to oriented coarse-grain structures with distinct crystallographic orientations. The post-processing reduced the microhardness by 36.60 % for the thicker sample and 19.83 % for the thinner sample. Furthermore, mechanical properties such as strength, hardness, ductility, and microhardness were closely linked to the observed crystallographic and grain structures. These findings highlight the significant impact of sample thickness, thermal history, and post-processing on the structural and mechanical properties of SS316L components manufactured using LPBF.

本研究采用激光粉末床熔合（LPBF）工艺制备316L不锈钢（SS316L）薄壁结构，重点研究了壁厚和后处理热处理对显微组织演变和力学性能的影响。构建后的样品呈现出与构建方向一致的柱状晶粒结构在狭窄尺寸上的外延生长。较薄的样品（0.6 mm壁厚）比较厚的样品（1.0 mm壁厚）表现出更明显的热积累和更慢的冷却速度，前者表现出明显的纵向晶粒生长，残余应力减少，抗拉强度较低。此外，较薄的样品产生了更强的<；111比;织构与织构方向一致，降低了显微硬度和位错密度。高温均质处理细化了显微组织，形成具有明显晶体取向的定向粗晶组织。后处理使较厚样品的显微硬度降低36.60%，较薄样品的显微硬度降低19.83%。此外，强度、硬度、延展性和显微硬度等力学性能与观察到的晶体学和晶粒结构密切相关。这些发现强调了样品厚度、热历史和后处理对使用LPBF制造的SS316L组件的结构和机械性能的重要影响。

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引用次数: 0

Model-free optimal spindle speed control for real-time vibration mitigation in milling 无模型的最佳主轴转速控制，实时铣削振动缓解

IF 5.4 2区工程技术 Q2 ENGINEERING, MANUFACTURING

CIRP Journal of Manufacturing Science and Technology

Pub Date : 2025-08-06 DOI: 10.1016/j.cirpj.2025.07.010

Kaan Bahtiyar, Burak Sencer

Thanks to its high productivity, milling is a key subtractive process in modern metals manufacturing. Nevertheless, like other machining processes, it suffers from vibrations appearing in the form of forced and self-excited chatter. These vibrations deteriorate the surface finish quality, shorten tool life, and damage the machine components, limiting the attainable productivity. This paper presents a model-free adaptive spindle speed regulation strategy that aims to minimize overall machining vibrations in milling. The presented spindle-speed adaptation strategy is based on the model-free extremum seeking control (ESC) framework that searches the parameter space to minimize a desired cost function. The cost function is designed to penalize overall machining vibrations in the time-domain, and its gradient (search direction) is determined data-based by making use of the vibratory data collected during the machining operation. The stability of the proposed algorithm and its tuning guidance is provided to the end-users. The effectiveness of the proposed controller on minimizing overall machining vibrations is demonstrated in simulations and validated in machining tests. Results demonstrate significant reduction in RMS vibration level and lowered surface location errors (SLE) as compared to the conventional approach.

由于其高生产率，铣削是现代金属制造中关键的减法工艺。然而，像其他加工过程一样，它也会受到以强迫和自激颤振形式出现的振动的影响。这些振动会降低表面光洁度，缩短刀具寿命，损坏机器部件，限制可达到的生产率。本文提出了一种无模型自适应主轴调速策略，旨在最大限度地减少铣削过程中的整体加工振动。所提出的主轴转速自适应策略是基于无模型极值寻求控制（ESC）框架，该框架通过搜索参数空间来最小化期望的代价函数。代价函数在时域上对整体加工振动进行惩罚，其梯度（搜索方向）是利用加工过程中收集到的振动数据来确定的。该算法的稳定性及其调优指导为最终用户提供了参考。仿真和加工试验验证了所提出的控制器在最小化整体加工振动方面的有效性。结果表明，与传统方法相比，RMS振动水平和表面定位误差（SLE）显著降低。

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引用次数: 0

A real-time interpolation algorithm for five-axis linear toolpaths with convolution-based local smoothing considering consecutive short segments 一种考虑连续短段的基于卷积局部平滑的五轴直线刀具轨迹实时插值算法

IF 5.4 2区工程技术 Q2 ENGINEERING, MANUFACTURING

CIRP Journal of Manufacturing Science and Technology

Pub Date : 2025-08-05 DOI: 10.1016/j.cirpj.2025.07.009

Fei Lou , Hengbo Li , Yijie Wu

Local smoothing stands as the most prevalent technique for optimizing linear toolpaths in CNC machining. Nevertheless, its performance deteriorates markedly when applied to consecutive short segments, severely impacting machining efficiency. This paper proposes a real-time local smoothing and interpolation algorithm, in which a post-processing toolpath smoothing based on a second-order sliding convolution window is implemented to achieve

C^{2}

continuity of the interpolated path while simultaneously satisfying constraints of tool tip and rotation smoothing errors. For consecutive short linear segments, convolution-based smoothing enables cross-segment optimization with enhanced geometric consistency, whereas linear regions in long segments are preserved which do not require an additional establishment of synchronization with the smooth region. Preceding the smoothing process, the jerk-limited feedrate scheduling operates at the level of primitive linear segments as the sole minimal unit, thereby circumventing challenges inherent in blended-path (linear and spline segments) interpolation. With adhering to the geometric constraints of the trajectory profile and the machine tool’s kinematic capabilities, this algorithm effectively enhances the scheduled feedrate by identifying the motion-limited axis of each segment. The effectiveness of the proposed algorithm is verified through simulations and experiments.

局部平滑是数控加工中最常用的线性刀具路径优化方法。然而，当应用于连续短段时，其性能明显下降，严重影响加工效率。本文提出了一种实时局部平滑插值算法，该算法实现了基于二阶滑动卷积窗的后处理刀具路径平滑，在满足刀尖和旋转平滑误差约束的同时实现了插值路径的C2连续性。对于连续的短线性段，基于卷积的平滑可以实现具有增强几何一致性的跨段优化，而保留长段中的线性区域，不需要额外建立与平滑区域的同步。在平滑过程之前，限时进给调度在原始线性段的水平上作为唯一的最小单元，从而规避了混合路径（线性和样条段）插值所固有的挑战。该算法遵循轨迹轮廓的几何约束和机床的运动能力，通过识别各线段的运动限制轴，有效地提高了预定进给速度。通过仿真和实验验证了该算法的有效性。

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引用次数: 0

Experiments on resistance spot welding of three layers of unequal thickness steel based on deep learning and multi-objective optimization 基于深度学习和多目标优化的三层不等厚钢电阻点焊实验

IF 5.4 2区工程技术 Q2 ENGINEERING, MANUFACTURING

CIRP Journal of Manufacturing Science and Technology

Pub Date : 2025-08-05 DOI: 10.1016/j.cirpj.2025.07.005

Haofeng Deng , Pengyu Gao , Honggang Xiong , Xiangdong Gao

Resistance spot welding (RSW) of three-layer steel sheets with unequal thicknesses presents significant challenges in accurately simulating weld nugget formation and process signal behavior. This paper proposes a hybrid approach that combines deep learning and multi-objective optimization to improve simulation accuracy. A 1D convolutional neural network (1DCNN), bidirectional long short-term memory (BiLSTM), and attention mechanism are integrated to predict dynamic resistance curves from process parameters. These predicted curves are then used as benchmarks in an ANSGA-II and Bayesian optimization framework to calibrate thermal-electrical contact parameters in a finite element model. Experimental results demonstrate that the optimized simulations closely match measured data, achieving a mean absolute error (MAE) of 0.132, a root mean square error (RMSE) of 0.156, and an

R^{2}

value of 0.91. The calibrated model reduces resistance prediction error by over 30% and improves nugget diameter and weld depth prediction accuracy across multiple thickness configurations. This integrated framework offers a practical and data-efficient solution for enhancing RSW simulations in complex multi-layer welding scenarios.

三层不等厚度钢板的电阻点焊在准确模拟焊核形成和过程信号行为方面存在很大挑战。本文提出了一种结合深度学习和多目标优化的混合方法来提高仿真精度。结合一维卷积神经网络（1DCNN）、双向长短期记忆（BiLSTM）和注意机制，从工艺参数预测动态电阻曲线。然后将这些预测曲线用作ANSGA-II和贝叶斯优化框架中的基准，以校准有限元模型中的热电接触参数。实验结果表明，优化后的模拟与实测数据吻合较好，平均绝对误差（MAE）为0.132，均方根误差（RMSE）为0.156，R2值为0.91。校正后的模型将电阻预测误差降低了30%以上，并提高了多种厚度配置下的熔核直径和焊缝深度预测精度。该集成框架为在复杂的多层焊接场景中增强RSW仿真提供了实用且数据高效的解决方案。

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引用次数: 0

On the effect of nanosized Al2O3 on the mechanical properties and microstructural evolution during friction stir extrusion of AA 6082 aluminum chips 纳米Al2O3对AA 6082铝片搅拌摩擦挤压力学性能和显微组织演变的影响

IF 5.4 2区工程技术 Q2 ENGINEERING, MANUFACTURING

CIRP Journal of Manufacturing Science and Technology

Pub Date : 2025-07-29 DOI: 10.1016/j.cirpj.2025.07.006

S. Emami , G. Buffa , M. Adnan , B. Särnerblom , V. Patel , L. Fratini

Friction stir extrusion (FSE), as a promising solid-state chip recycling technique, was employed to produce recycled wires from AA 6082 aluminum chips. Al₂O₃ reinforced and unreinforced wires with different tool rotations and vertical downforce were produced. The microstructure and texture evolution were studied using the electron backscattered diffraction (EBSD) technique. EBSD orientation maps showed that the microstructures developed a bimodal grain structure including fine recrystallized and non-recrystallized elongated grains. Grain orientation spread (GOS) EBSD maps demonstrated that the recrystallization was promoted in the presence of alumina second-phase nanoparticles. The resultant point-to-point and point-to-origin misorientation angle histograms indicated trivial misorientation differences proving the geometric dynamic recrystallization (GDRX) occurrence. The presence of loose high-angle grain boundaries (HAGBs) and accumulative misorientation angle inside the individual grains confirmed the continuous dynamic recrystallization (CDRX) occurrence. Moreover, grain boundary bulging was also visible through the microstructure, proving the activation of discontinuous dynamic recrystallization (DDRX). Texture analysis showed that simple a shear texture were introduced in the microstructure of the produced wires. The intensity of the obtained textures from the orientation distribution function (ODF) suggested that the application of the alumina particles improved the material flow during recycling. Micro-hardness measurements revealed that the addition of the alumina particles increased the hardness from 90 HV to 119 HV. Tensile testing showed a 20 % higher UTS for wires with alumina powders.

搅拌摩擦挤压（FSE）是一种很有前途的固态芯片回收技术，可用于从AA 6082铝片中回收线材。制备了不同刀具转速和垂直下压力的Al2O3增强丝和非增强丝。利用电子背散射衍射（EBSD）技术对其微观结构和织构演变进行了研究。EBSD取向图显示，该合金的显微组织为细再结晶和非再结晶的细长晶粒双峰型组织。晶粒取向扩展（GOS） EBSD图表明，氧化铝第二相纳米颗粒的存在促进了再结晶。所得的点对点和点对原点的错取向角直方图显示了微小的错取向差异，证明了几何动态再结晶（GDRX）的发生。松散的高角晶界（HAGBs）和单个晶粒内部累积的错取向角证实了连续动态再结晶（CDRX）的发生。显微组织中还可见晶界胀形，证明了不连续动态再结晶（DDRX）的激活。织构分析表明，钢丝组织中存在简单的剪切织构。取向分布函数（ODF）得到的织构强度表明，氧化铝颗粒的应用改善了回收过程中的物料流动。显微硬度测试表明，氧化铝颗粒的加入使硬度从90hv提高到119hv。拉伸测试表明，使用氧化铝粉末的电线的UTS提高了20%。

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引用次数: 0

The research of TRIZ-assisted additive manufacturing functional period construction process triz辅助增材制造功能期构建过程研究

IF 4.6 2区工程技术 Q2 ENGINEERING, MANUFACTURING

CIRP Journal of Manufacturing Science and Technology

Pub Date : 2025-07-26 DOI: 10.1016/j.cirpj.2025.07.007

Yunpeng Su, Guiru Wu, Zhen Liao, Xiaomeng Yan, Lanxin Jiang, Huan Qi

Current research on additive manufacturing predominantly focuses on the structural and parameter levels, with relatively limited exploration on the functional level. This study investigates the construction process of the functional period in additive manufacturing by adapting the analysis and problem-solving tools from TRIZ theory at the functional level. First, the cyclic behavior of the additive manufacturing process is elucidated, followed by an analysis of the functional period embedded within the process. A classification method for complexity is introduced and the role of the functional period in transforming types of complexity is explained. Second, the analytic tools and problem-solving tools within TRIZ theory that are applicable to the additive manufacturing process have been summarized, leading to the establishment of functional solution acquisition paths specific to the additive manufacturing process. Third, based on these functional solution acquisition paths, a process model for constructing the functional period in additive manufacturing is proposed. Finally, the proposed functional period construction process model is applied to the porosity control of tin bronze samples. Experimental results demonstrate that the density of the tin bronze sample increased by over 4 %, confirming the feasibility of the TRIZ-assisted functional period construction process in additive manufacturing.

目前对增材制造的研究主要集中在结构和参数层面，对功能层面的探索相对较少。本研究运用TRIZ理论的分析和问题解决工具，从功能层面探讨增材制造中功能周期的构建过程。首先，阐述了增材制造过程的循环行为，然后分析了该过程中嵌入的功能周期。介绍了一种复杂性的分类方法，并说明了功能周期在复杂性类型转换中的作用。其次，总结了TRIZ理论中适用于增材制造过程的分析工具和问题解决工具，从而建立了针对增材制造过程的功能解决方案获取路径。第三，基于这些功能解决方案获取路径，提出了增材制造中功能周期构建的过程模型。最后，将提出的功能期构建过程模型应用于锡青铜试样孔隙率控制。实验结果表明，锡青铜样品的密度提高了4%以上，证实了triz辅助功能期构建工艺在增材制造中的可行性。

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引用次数: 0

Casting parts retrieval driven by the integration of process constraints and geometric features 基于工艺约束和几何特征集成驱动的铸件检索

IF 4.6 2区工程技术 Q2 ENGINEERING, MANUFACTURING

CIRP Journal of Manufacturing Science and Technology

Pub Date : 2025-07-23 DOI: 10.1016/j.cirpj.2025.07.003

Chuhao Zhou , Shuren Guo , Dong Xiang, Xuanpu Dong, Huatang Cao

The formation of castings depends on numerous process parameters, making traditional casting process design heavily reliant on experience and complex calculations. Efficiently retrieving similar parts from a case library for process reuse can significantly enhance design efficiency. This study has proposed a tailored retrieval scheme for casting parts, ensuring that retrieved parts provide valuable references for process design. First, the study has introduced the concept of process constraint values to quantify the impact of differences in key semantic information—material, casting method, and production batch size—on the applicability and effective transferability of existing processes. These constraint values are incorporated as conditions in subsequent similarity calculations, ensuring that the retrieved parts offer practical reference value for casting process design. For geometric similarity measurement, simulation experiments and flowability analyses are conducted to evaluate the influence of volume and modulus on similarity computation. Considering the characteristics of casting production, shape-structure features are extracted from both the external solid model and internal cavity models. These features are then integrated into a combined encoding, providing a parametric representation of the part’s geometric characteristics. Finally, the overall geometric similarity between parts is simultaneously measured based on volume, modulus, and shape-structure feature encoding. The effectiveness of the proposed retrieval algorithm was validated using Expected Reciprocal Rank (ERR) and F1-score. Results indicate that the first highly similar part appeared at the 1.23th position in the ranked retrieval sequence, allowing users to efficiently find relevant parts at the top of the retrieval rankings. Furthermore, separating the feature extraction and similarity calculation of the external solid and internal cavity improves retrieval performance compared to direct feature extraction from the original part model, especially in high-relevance scenarios with few candidate results.

铸件的形成取决于众多的工艺参数，使得传统的铸造工艺设计严重依赖于经验和复杂的计算。有效地从案例库中检索相似的部件进行流程重用可以显著提高设计效率。本研究提出了一种适合铸造零件的检索方案，确保检索到的零件为工艺设计提供有价值的参考。首先，该研究引入了过程约束值的概念，以量化关键语义信息（材料、铸造方法和生产批量）的差异对现有过程的适用性和有效可转移性的影响。这些约束值作为条件纳入后续的相似性计算，确保检索到的零件为铸造工艺设计提供实用的参考价值。在几何相似度测量方面，通过模拟实验和流动性分析来评估体积和模量对相似度计算的影响。考虑到铸件生产的特点，从外部实体模型和内部型腔模型中提取形状结构特征。然后将这些特征集成到一个组合编码中，提供零件几何特征的参数表示。最后，基于体积、模量和形状结构特征编码同时测量零件之间的整体几何相似度。利用期望倒数秩（ERR）和f1分数验证了所提检索算法的有效性。结果表明，在排序检索序列中，第一个高度相似的零件出现在第1.23位，用户可以高效地找到检索排名靠前的相关零件。此外，与直接从原始零件模型中提取特征相比，将外部实体和内部腔体的特征提取和相似度计算分离可以提高检索性能，特别是在候选结果较少的高相关性场景下。

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引用次数: 0

The effects of laser assisted ultrasonic nanocrystal surface modification on 3D-printed Ti6Al4V alloy 激光辅助超声纳米晶表面改性对3d打印Ti6Al4V合金的影响

IF 4.6 2区工程技术 Q2 ENGINEERING, MANUFACTURING

CIRP Journal of Manufacturing Science and Technology

Pub Date : 2025-07-23 DOI: 10.1016/j.cirpj.2025.07.004

Hao Zhang , Yu Zhang , Chang Ye , Giovanna Rotella , Domenico Umbrello

This study investigates the synergistic effects of laser-assisted ultrasonic nanocrystal surface modification (LA-UNSM) on the surface integrity and microstructural evolution of 3D-printed Ti6Al4V alloy. By integrating localized laser heating (optimal power of 23 W) with ultrasonic peening, LA-UNSM significantly enhances material plasticity during treatment. As a result, compared to conventional UNSM, the process markedly improves surface finish, hardness, and compressive residual stress. Detailed analyses show that LA-UNSM refines the surface microstructure by reducing roughness (from 17.8 µm in as-fabricated samples to approximately 3.2 µm) and increasing hardness (from 359.5 HV to over 487.5 HV). Additionally, LA-UNSM promotes deeper plastic deformation, effectively reducing surface porosity and refining the grain size from an average of 1.1 µm to 0.53 µm. The treatment further modifies the crystallographic texture and slip behavior by favoring pyramidal 〈c+a〉 slip, which enhances strain accommodation and reinforces the compressive residual stress field. These findings demonstrate that LA-UNSM is a transformative, energy-efficient post-processing technique that substantially enhances the performance of additively manufactured Ti6Al4V alloys.

本文研究了激光辅助超声纳米晶表面改性（LA-UNSM）对3d打印Ti6Al4V合金表面完整性和微观组织演变的协同效应。LA-UNSM通过将局部激光加热（最优功率为23 W）与超声强化相结合，显著提高了材料在处理过程中的塑性。因此，与传统的UNSM相比，该工艺显著改善了表面光洁度、硬度和压缩残余应力。详细分析表明，LA-UNSM通过降低粗糙度（从加工样品的17.8µm到约3.2µm）和提高硬度（从359.5 HV到487.5 HV以上）来改善表面微观结构。此外，LA-UNSM促进了更深层次的塑性变形，有效地减少了表面孔隙率，并将晶粒尺寸从平均1.1 μ m细化到0.53 μ m。该处理进一步改变了晶体织构和滑移行为，有利于锥体< c+a >滑移，增强了应变调节能力，增强了压缩残余应力场。这些发现表明，LA-UNSM是一种变革性的、节能的后处理技术，可以大大提高增材制造Ti6Al4V合金的性能。

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引用次数: 0

Point projection-based contour-parallel tool path from point cloud 基于点投影的点云轮廓平行刀具路径

IF 4.6 2区工程技术 Q2 ENGINEERING, MANUFACTURING

CIRP Journal of Manufacturing Science and Technology

Pub Date : 2025-07-19 DOI: 10.1016/j.cirpj.2025.06.009

Yuning Zhang, Tong Xiao, Jinting Xu, Yuwen Sun

Traditional reverse engineering (RE) often involves complicated and time-consuming CAD model reconstruction, which can be inefficient or unnecessary in practical scenarios focused on rapid shape replication and design validation. Therefore, a method is proposed in this paper for generating contour-parallel tool paths directly from point clouds, bypassing CAD model reconstruction, and it is particularly suited for parts with holes or island features. In this method, boundary points are first extracted and sequenced, and then boundaries are employed as initial tool paths to generate subsequent tool paths through successively offsetting. In the tool path offsetting, a novel point projection-based offsetting strategy is presented to calculate accurate cutter contact (CC) points in the neighbouring tool path, and the self-intersections appearing in offset CC paths are eliminated simultaneously. To simplify the offsetting operations, a simple merging strategy between the inner boundary and the generated offset tool path is presented to remove the undesired intra-intersections. Case studies demonstrate that the proposed method can nicely generate continuous and boundary conformal contour-parallel tool paths directly on point clouds with and without holes. Different from traditional CAD modelling, the proposed method provides a fast and efficient alternative for shape-oriented RE tasks.

传统的逆向工程（RE）通常涉及复杂且耗时的CAD模型重建，在注重快速形状复制和设计验证的实际场景中可能效率低下或不必要。因此，本文提出了一种直接从点云生成轮廓平行刀具路径的方法，绕过CAD模型重建，特别适用于具有孔或岛状特征的零件。该方法首先对边界点进行提取和排序，然后将边界作为初始刀具路径，通过逐次偏移生成后续刀具路径。在刀具轨迹偏移中，提出了一种新的基于点投影的刀具轨迹偏移策略，计算出邻近刀具轨迹上的精确刀具接触点，同时消除了在偏置刀具轨迹上出现的自交。为了简化偏移操作，提出了一种简单的内边界与生成的偏移刀具路径合并策略，以消除不希望出现的内相交。实例研究表明，该方法可以很好地在有孔和无孔点云上直接生成连续和边界共形轮廓平行的刀具路径。与传统的CAD建模不同，该方法为面向形状的RE任务提供了一种快速有效的替代方法。

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引用次数: 0

Investigations on the tooth surface deviations of internal whirling-enveloped TI worm 内旋包络TI蜗杆齿面偏差的研究

IF 4.6 2区工程技术 Q2 ENGINEERING, MANUFACTURING

CIRP Journal of Manufacturing Science and Technology

Pub Date : 2025-07-18 DOI: 10.1016/j.cirpj.2025.07.002

Zhenglin Yang, Yonghong Chen, Diao Chen, Wenjun Luo, Bingkui Chen

Toroidal involute worm (TI worm) exhibits high load-bearing capacity and transmission efficiency. However, its complex spatial geometry complicates machining processes and limits mass production. This study combines the enveloping principle of the TI worm with the internal whirling technique. A novel method is developed for enveloping the TI worm via internal whirling. The influence of tool offsets and mounting angles on the tooth surface deviations between internal whirling-enveloped TI worm and standard TI worm is investigated. The results indicate that the tooth surface of the internal whirling-enveloped TI worm closely approximates that of modified standard TI worm. The amount and position of the modification can be effectively controlled through tool offset and mounting angle adjustments. Experimental measurements reveal a maximum tooth surface deviation below 0.04 mm. The machined worm meshes in the middle of the involute helical gear, reducing offset load risks. Comparative tests confirm comparable transmission performance between machined worm and standard TI worm. This study establishes theoretical and experimental foundations for mass production of TI worm via internal whirling to meet industrial demands.

环面渐开线蜗杆具有较高的承载能力和传动效率。然而，其复杂的空间几何形状使加工过程复杂化，限制了批量生产。本研究将TI蜗杆的包络原理与内旋技术相结合。提出了一种利用内旋包络TI蜗杆的新方法。研究了刀具偏移量和安装角度对内旋包络TI蜗杆与标准TI蜗杆齿面偏差的影响。结果表明，内旋包络TI蜗杆的齿面与改进的标准TI蜗杆齿面非常接近。通过调整刀具偏移和安装角度，可以有效地控制修正量和位置。实验测量显示，最大齿面偏差小于0.04 mm。加工后的蜗杆啮合在渐开线斜齿轮的中间，减少了偏置负载的风险。对比试验证实，加工蜗杆与标准TI蜗杆的传动性能相当。本研究为大规模生产TI内旋蜗杆以满足工业需求奠定了理论和实验基础。

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引用次数: 0