Precision Engineering-Journal of the International Societies for Precision Engineering and Nanotechnology最新文献_第7页

Modeling and experimental investigation of the effect of sample tilt on the machining performance in AFM-based nanofabrication 基于afm的纳米加工中样品倾斜对加工性能影响的建模和实验研究

IF 3.5 2区工程技术

Precision Engineering-Journal of the International Societies for Precision Engineering and Nanotechnology Pub Date : 2025-07-16 DOI: 10.1016/j.precisioneng.2025.07.012

Kuangbing Wang , Zhan Li , Bin Wu , Donglei Yan , Ziwen Kang , Yongda Yan , Shunyu Chang , Yanquan Geng

{"title":"Modeling and experimental investigation of the effect of sample tilt on the machining performance in AFM-based nanofabrication","authors":"Kuangbing Wang , Zhan Li , Bin Wu , Donglei Yan , Ziwen Kang , Yongda Yan , Shunyu Chang , Yanquan Geng","doi":"10.1016/j.precisioneng.2025.07.012","DOIUrl":"10.1016/j.precisioneng.2025.07.012","url":null,"abstract":"<div><div>Atomic force microscope (AFM)-based nanoscale machining has been proven to be an effective method for fabricating nanostructures. Through a combination of theoretical analysis and experimental investigation, the impact of sample tilt on the performance of AFM-based nanoscale machining is systematically examined. Three typical scratching directions, along the cantilever axis, perpendicular to the cantilever axis, and away from the cantilever axis, are considered in this study. Theoretical models are developed for each of these directions, and experimental validation is conducted. The results demonstrate that sample tilt has a significant impact on machining outcomes, primarily attributed to variations in the force applied by the AFM tip and the load-bearing area. These factors are influenced by both the tilt angle and the scratching direction. Experimental tests reveal that the developed models can precisely predict the impact of sample tilt on machining outcomes. Furthermore, this study investigates the relationship between machining depth and load for the three scratching directions under tilted sample conditions. Finally, we explored the impact of the friction coefficient and probe geometry on the machining results. This research provides robust theoretical support for comprehending the influence of sample tilt on AFM-based nanoscale machining and offers significant insights into optimizing the machining process.</div></div>","PeriodicalId":54589,"journal":{"name":"Precision Engineering-Journal of the International Societies for Precision Engineering and Nanotechnology","volume":"96 ","pages":"Pages 497-506"},"PeriodicalIF":3.5,"publicationDate":"2025-07-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144633319","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Design, optimization, and testing of a compliant quasizero constant-force mechanism for linear motion guidance 设计，优化，并测试一个柔性准零恒力机构的直线运动制导

IF 3.5 2区工程技术

Precision Engineering-Journal of the International Societies for Precision Engineering and Nanotechnology Pub Date : 2025-07-13 DOI: 10.1016/j.precisioneng.2025.07.002

Zeyi Wu, Qingsong Xu

{"title":"Design, optimization, and testing of a compliant quasizero constant-force mechanism for linear motion guidance","authors":"Zeyi Wu, Qingsong Xu","doi":"10.1016/j.precisioneng.2025.07.002","DOIUrl":"10.1016/j.precisioneng.2025.07.002","url":null,"abstract":"<div><div>Constant-force compliant mechanisms (CCFMs) offer certain advantages in motion guidance through actuation force reduction. However, existing CCFMs typically require an initial input to activate the constant-force characteristics, resulting in complex force behavior. To overcome such limitations and enhance the force reduction performance, this paper proposes a novel compliant quasizero constant-force mechanism (QZ-CCFM) design using a stiffness combination configuration. It has a mirror-symmetrical structure composed of two halves, with each half integrating a negative-stiffness mechanism and a positive-stiffness mechanism. When the constant-force feature is activated by preloading a specific displacement to each half, the opposite reaction forces can be self-balanced, thereby initializing the mechanism to the constant-force region. By optimizing the key design variables, the mechanism achieves a maximized constant-force stroke while minimizing force fluctuations. Several prototypes have been fabricated for experimental study. The results indicate that the QZ-CCFM can offer a quasizero constant force of 0<span><math><mo>±</mo></math></span>0.10N over a stroke of 4.40mm (i.e., <span><math><mo>±</mo></math></span>2.20mm relative to the initial position) without an initial input. The quasizero constant-force feature of the QZ-CCFM provides a promising guiding mechanism for improving actuation efficiency and performance in practical applications, such as precision positioning systems and biomedical devices.</div></div>","PeriodicalId":54589,"journal":{"name":"Precision Engineering-Journal of the International Societies for Precision Engineering and Nanotechnology","volume":"96 ","pages":"Pages 522-532"},"PeriodicalIF":3.5,"publicationDate":"2025-07-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144655083","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Investigation of a parallel contact force robotic end-effector for thin-walled parts grinding and deburring with uncertain position 不确定位置薄壁件磨削去毛刺并联接触力机器人末端执行器研究

IF 3.5 2区工程技术

Precision Engineering-Journal of the International Societies for Precision Engineering and Nanotechnology Pub Date : 2025-07-12 DOI: 10.1016/j.precisioneng.2025.06.021

Du Xu , Haijie Mo , Zhiguo Zhong , Lairong Yin

{"title":"Investigation of a parallel contact force robotic end-effector for thin-walled parts grinding and deburring with uncertain position","authors":"Du Xu , Haijie Mo , Zhiguo Zhong , Lairong Yin","doi":"10.1016/j.precisioneng.2025.06.021","DOIUrl":"10.1016/j.precisioneng.2025.06.021","url":null,"abstract":"<div><div>This paper focuses on the force overshoot problem that occurs in the initial contact phase of a robotic end-effector, a novel passive compliant constant-force end-effector designed to address the challenge of contact force stabilization and response in robotic grinding and deburring of thin-walled parts. Unlike conventional active force control methods that suffer from force overshoot due to dynamic response limitations, the proposed solution integrates a hybrid stiffness mechanism combining positive (multi-layer bending structures) and negative (inclined beams) stiffness elements to achieve sensor-less force regulation. The design features a parallel architecture with 120° distributed limbs, ensuring coaxial force distribution and vibration suppression. A comprehensive analytical model is developed, incorporating combined stiffness theory and elliptic integrals to characterize the negative stiffness beam's buckling behavior, with parameter optimization to maximize the constant-force stroke. Finite element analysis confirms uniform stress distribution under multi-axis loading (100N force/20N·m torque), while experimental validation on magnesium-aluminum alloy workpieces demonstrates the mechanism's ability to maintain contact force within ±5 % deviation over a 4.5 mm stroke range, even with ±2 mm positional errors. The passive design eliminates the need for complex control systems, offering significant advantages in cost reduction, process adaptability through quick-change couplings, and scalability for diverse thin-wall geometries. This paper provides an insight into the potential of purely passive methods in achieving accurate and smooth force control.</div></div>","PeriodicalId":54589,"journal":{"name":"Precision Engineering-Journal of the International Societies for Precision Engineering and Nanotechnology","volume":"96 ","pages":"Pages 587-599"},"PeriodicalIF":3.5,"publicationDate":"2025-07-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144662921","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Online volumetric error compensation for micro-CMMs using embedded multi-DOF (degree-of-freedom) measurement systems based on Abbe and Bryan principles 基于Abbe和Bryan原理的嵌入式多自由度测量系统用于微型三坐标测量机的在线体积误差补偿

IF 3.5 2区工程技术

Precision Engineering-Journal of the International Societies for Precision Engineering and Nanotechnology Pub Date : 2025-07-09 DOI: 10.1016/j.precisioneng.2025.07.009

Jie Li , Rong-Wei Lin , Cheng-Yao Zhang , Zhen-Ying Cheng , Qiang-Xian Huang , Rui-Jun Li

{"title":"Online volumetric error compensation for micro-CMMs using embedded multi-DOF (degree-of-freedom) measurement systems based on Abbe and Bryan principles","authors":"Jie Li , Rong-Wei Lin , Cheng-Yao Zhang , Zhen-Ying Cheng , Qiang-Xian Huang , Rui-Jun Li","doi":"10.1016/j.precisioneng.2025.07.009","DOIUrl":"10.1016/j.precisioneng.2025.07.009","url":null,"abstract":"<div><div>The measurement accuracy of micro coordinate measuring machines (micro-CMMs) is limited by the volumetric errors. In this paper, the volumetric errors caused by geometric errors are analyzed, and the volumetric error model is built firstly, which is based on Abbe and Bryan principles. Correspondingly, this article proposes embedded multi-DOF measurement systems (EMDMS) for global volumetric error online compensation, which is consist of laser interferometers and autocollimators. The EMDMS enables real-time simultaneous measurement of 15 straightness and tilting errors. While the acquired error data are integrated into the developed volumetric error model, the control unit, equipped with three PID controllers, leverages the EMDMS data and the error model to achieve online error compensation of a micro-CMM. A Zero-class gauge block was tested based on ISO 10360–2 to evaluate the effectiveness of the EMDMS and volumetric error model. After volumetric error compensation, the standard deviations and indication errors of the length measurements in different directions were reduced by more than 90 % and 94 % respectively, and the measurement expanded uncertainty along <em>Y</em> direction is 216 nm (<em>k</em> = 2). Furthermore, the standard measurement uncertainty of the EMDMS evaluated with values of 50 nm, 49 nm, and 58 nm in the <em>X-</em>, <em>Y</em>-, and <em>Z</em>-directions, respectively. The proposed method and system can be used in the volumetric error compensation of micro-CMMs effectively.</div></div>","PeriodicalId":54589,"journal":{"name":"Precision Engineering-Journal of the International Societies for Precision Engineering and Nanotechnology","volume":"96 ","pages":"Pages 533-547"},"PeriodicalIF":3.5,"publicationDate":"2025-07-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144655084","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Signed distance field-based collision-free trajectory planning for on-machine measurement of conical covers 基于签名距离场的锥体盖在机测量无碰撞轨迹规划

IF 3.5 2区工程技术

Precision Engineering-Journal of the International Societies for Precision Engineering and Nanotechnology Pub Date : 2025-07-07 DOI: 10.1016/j.precisioneng.2025.07.008

Runji Fang , Xianglong Zhu , Yindi Cai , Renke Kang , Jianjie Zhao , Rui Pan

{"title":"Signed distance field-based collision-free trajectory planning for on-machine measurement of conical covers","authors":"Runji Fang , Xianglong Zhu , Yindi Cai , Renke Kang , Jianjie Zhao , Rui Pan","doi":"10.1016/j.precisioneng.2025.07.008","DOIUrl":"10.1016/j.precisioneng.2025.07.008","url":null,"abstract":"<div><div>To address the inefficiency in collision detection and computational challenges in interference quantification during on-machine measurement of conical covers, this paper proposes a signed distance field-based trajectory planning methodology. A hierarchical detection framework is developed through: 1) A coarse detection phase combining oriented bounding boxes with octree spatial indexing and the separating axis theorem for rapid collision zone localization; 2) A refined detection stage utilizing normal vector-corrected signed distance field integrated with k-d tree acceleration for precise interference computation, coupled with an interference-pose mapping model to optimize probe orientation. Experimental results demonstrate that the proposed normal vector-corrected signed distance field preserves signed distance continuity in high-curvature regions of freeform surfaces, enabling high-precision identification of collision states. Validation against VERICUT simulations demonstrates 100 % detection accuracy in collision zones and 97.3 % accuracy in safety threshold intervals. The proposed method achieves 27 % and 47 % detection speed improvements over the k-d tree-accelerated Euclidean distance algorithm and the k-d tree-accelerated signed distance field method, respectively. Practical on-machine trials confirm collision-free measurement in areas of high collision risk. This work provides a novel method for ensuring detection accuracy and detection speed in complex geometry inspection.</div></div>","PeriodicalId":54589,"journal":{"name":"Precision Engineering-Journal of the International Societies for Precision Engineering and Nanotechnology","volume":"96 ","pages":"Pages 507-521"},"PeriodicalIF":3.5,"publicationDate":"2025-07-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144633320","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

An H∞ optimization-based high-gain loop-shaping method for precision motion control of nano-positioning systems 基于H∞优化的高增益环形纳米定位系统精密运动控制方法

IF 3.5 2区工程技术

Precision Engineering-Journal of the International Societies for Precision Engineering and Nanotechnology Pub Date : 2025-07-06 DOI: 10.1016/j.precisioneng.2025.06.022

Qi Yu, Yixuan Meng, Xiangyuan Wang, Lingwen Tan, Limin Zhu

{"title":"An H∞ optimization-based high-gain loop-shaping method for precision motion control of nano-positioning systems","authors":"Qi Yu, Yixuan Meng, Xiangyuan Wang, Lingwen Tan, Limin Zhu","doi":"10.1016/j.precisioneng.2025.06.022","DOIUrl":"10.1016/j.precisioneng.2025.06.022","url":null,"abstract":"<div><div>In this paper, an enhanced high-gain loop-shaping (E-HGLS) method is proposed based on the <em>H</em><sub>∞</sub> optimization design scheme for precision motion control of nano-positioning systems. In the conventional HGLS method, a simple first-order low-pass filter is chosen to generate high control gain due to its simple structure. To improve the performance of the HGLS method, a more sophisticated filter is designed using <em>H</em><sub>∞</sub> based optimization method to provide higher gains across a broader frequency range which can enhance the robust stability, tracking accuracy and disturbance rejection capability. To verify the superiority of the proposed E-HGLS method, comparative experiments are conducted on a nano-positioning system. Experimental results demonstrate that both the maximum tracking error and the root-mean-squared tracking error are reduced significantly as compared with the conventional HGLS method and the proportional-integral controller with the same phase margin. In particular, the maximum tracking error is reduced from 138.8 nm to 64.4 nm as compared with the conventional HGLS method when tracking a 10 Hz sinusoidal trajectory. The E-HGLS method is promising to improve the control performance of high-precision motion systems for nano-positioning applications.</div></div>","PeriodicalId":54589,"journal":{"name":"Precision Engineering-Journal of the International Societies for Precision Engineering and Nanotechnology","volume":"96 ","pages":"Pages 487-496"},"PeriodicalIF":3.5,"publicationDate":"2025-07-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144587561","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Investigation of machining characteristics near resonance based on a custom-built vibration platform for atomic force microscopy 基于原子力显微镜专用振动平台的近共振加工特性研究

IF 3.5 2区工程技术

Precision Engineering-Journal of the International Societies for Precision Engineering and Nanotechnology Pub Date : 2025-07-04 DOI: 10.1016/j.precisioneng.2025.07.006

Rui Xu , Yanhui Zhang , Yi Liu , Zhimu Yang , Yifan Li , Wei Yu , Jianli Wang

{"title":"Investigation of machining characteristics near resonance based on a custom-built vibration platform for atomic force microscopy","authors":"Rui Xu , Yanhui Zhang , Yi Liu , Zhimu Yang , Yifan Li , Wei Yu , Jianli Wang","doi":"10.1016/j.precisioneng.2025.07.006","DOIUrl":"10.1016/j.precisioneng.2025.07.006","url":null,"abstract":"<div><div>Nanomanufacturing using the tip of an atomic force microscope (AFM) probe has emerged as a powerful technique for fabricating nanostructures with exceptional precision. Incorporating vibration-assisted machining into AFM systems further improves processing efficiency without compromising accuracy. In this study, a calibrated diamond-tipped probe was employed as the cutting tool on a custom-built AFM platform, enabling high-precision micro/nanofabrication under vibration assistance. Experimental results demonstrated precise control over groove depth, with measured values closely aligning with theoretical predictions. The influence of vibration on machining performance was systematically investigated, particularly near the resonance frequency. Vibration assistance was found to reduce the cutting force and increase material removal volume. However, significant cutting force fluctuations and degraded groove quality were observed near resonance. To further understand the cutting mechanics, a mathematical model of vibration-assisted cutting forces was developed, and finite element simulations, calibrated with experimental data, were conducted to analyze variations in cutting force, temperature distribution, and stress-strain behavior. Simulation results confirmed that operating slightly below the resonance frequency optimizes machining precision while minimizing material damage. These findings highlight the potential of vibration-assisted AFM nanomanufacturing for advanced applications that demand high precision and enhanced processing efficiency.</div></div>","PeriodicalId":54589,"journal":{"name":"Precision Engineering-Journal of the International Societies for Precision Engineering and Nanotechnology","volume":"96 ","pages":"Pages 444-454"},"PeriodicalIF":3.5,"publicationDate":"2025-07-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144572639","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A deep learning-enhanced in-situ surface topography measurement method based on the focus variation microscopy and the industrial camera for material extrusion-based additive manufacturing 基于聚焦变焦显微镜和工业相机的深度学习增强材料挤压增材制造原位表面形貌测量方法

IF 3.5 2区工程技术

Precision Engineering-Journal of the International Societies for Precision Engineering and Nanotechnology Pub Date : 2025-07-03 DOI: 10.1016/j.precisioneng.2025.06.012

Kexin Yin, Yuchu Qin, Shan Lou, Paul Scott, Xiangqian Jiang

{"title":"A deep learning-enhanced in-situ surface topography measurement method based on the focus variation microscopy and the industrial camera for material extrusion-based additive manufacturing","authors":"Kexin Yin, Yuchu Qin, Shan Lou, Paul Scott, Xiangqian Jiang","doi":"10.1016/j.precisioneng.2025.06.012","DOIUrl":"10.1016/j.precisioneng.2025.06.012","url":null,"abstract":"<div><div>Focus variation microscopy is a powerful tool but is limited in its applicability to in-situ states. A research gap exists in adapting focus variation microscopy with inexpensive, easy-to-operate cameras to enable rapid surface topography acquisition in online measurements. To address this, we propose a novel deep learning-enhanced framework, M2CNet, in which images captured by a conventional industrial camera are first aligned with microscopy images using feature-based image registration. These aligned images are then paired with high-precision point clouds using a multi-focus window sliding technique and finally mapped to 3D point clouds via convolutional neural networks. A case study involving the surface of PLA fabricated by FDM showed that the M2CNet-16 model achieved the best result, with an average surface roughness (Sq) error of 6.4%, a Pearson correlation of 83.5%, and a processing time of 2.61 s. These results indicate that M2CNet improves training and prediction efficiency while maintaining state-of-the-art performance. Findings validate the feasibility of using simple cameras for high-precision topography measurements in material extrusion-based additive manufacturing.</div></div>","PeriodicalId":54589,"journal":{"name":"Precision Engineering-Journal of the International Societies for Precision Engineering and Nanotechnology","volume":"96 ","pages":"Pages 464-475"},"PeriodicalIF":3.5,"publicationDate":"2025-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144572641","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Towards understanding the machinability improvement of high-entropy alloys via ultra-precision diamond cutting technology in a magnetic field environment 在磁场环境下，利用超精密金刚石切削技术提高高熵合金的可加工性

IF 3.5 2区工程技术

Precision Engineering-Journal of the International Societies for Precision Engineering and Nanotechnology Pub Date : 2025-07-03 DOI: 10.1016/j.precisioneng.2025.07.004

Yintian Xing , Yue Liu , Yuhan Li , Changxi Xue , Wai Sze Yip , Suet To

{"title":"Towards understanding the machinability improvement of high-entropy alloys via ultra-precision diamond cutting technology in a magnetic field environment","authors":"Yintian Xing , Yue Liu , Yuhan Li , Changxi Xue , Wai Sze Yip , Suet To","doi":"10.1016/j.precisioneng.2025.07.004","DOIUrl":"10.1016/j.precisioneng.2025.07.004","url":null,"abstract":"<div><div>Currently, high-entropy alloys (HEAs) have played a pivotal role in numerous fields because of their exceptional physical and chemical properties. However, complex composition of various elemental and the incomplete understanding of manufacturing mechanisms make it challenging to achieve ultraprecision surface formation using traditional processing methods. Therefore, this study proposes ultra-precision diamond cutting in magnetic field environment to enhance the nanometer-precision surface integrity of HEAs. Furthermore, phenomenological features are discussed and analyzed using advanced characterization techniques, ranging from macroscopic surface morphology to microscopic subsurface structure, to achieve a deeper understanding for material removal process. The generation mechanism of ultraprecision surfaces is thoroughly investigated by studying changes in surface, subsurface, chip, and tool wear with and without external magnetic field excitation. This study demonstrates that the ultra-precision surface integrity of HEA workpieces is enhanced due to changes in the workpiece material during machining when a magnetic field is applied, leading to significantly improved machinability. This work provides a promising manufacturing technology for improving ultraprecision surface quality in advanced materials, aiming to meet future application requirements across various fields.</div></div>","PeriodicalId":54589,"journal":{"name":"Precision Engineering-Journal of the International Societies for Precision Engineering and Nanotechnology","volume":"96 ","pages":"Pages 398-417"},"PeriodicalIF":3.5,"publicationDate":"2025-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144549354","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Experimental investigation on micro-drilling machinability of additive manufactured and traditional forged Ti6Al4V titanium alloys 增材制造与传统锻造Ti6Al4V钛合金微钻加工性能试验研究

IF 3.5 2区工程技术

Precision Engineering-Journal of the International Societies for Precision Engineering and Nanotechnology Pub Date : 2025-07-03 DOI: 10.1016/j.precisioneng.2025.07.005

Zhongwei Chen , Xian Wu , Ganggang Yin , Ze Wu , Feng Jiang , Jianyun Shen

{"title":"Experimental investigation on micro-drilling machinability of additive manufactured and traditional forged Ti6Al4V titanium alloys","authors":"Zhongwei Chen , Xian Wu , Ganggang Yin , Ze Wu , Feng Jiang , Jianyun Shen","doi":"10.1016/j.precisioneng.2025.07.005","DOIUrl":"10.1016/j.precisioneng.2025.07.005","url":null,"abstract":"<div><div>The rise of additive manufacturing (AM) technology has propelled the in-depth application of titanium alloy materials in industrial fields such as aerospace, military, and medical. Post-processing, including micro-drilling, is a crucial step to ensure the successful utilization of additive manufactured (AMed) components. In this study, micro-drilling machinability of Ti6Al4V titanium alloys that fabricated by selective laser melting (SLM) process before and after heat-treatment was studied. The forged titanium alloy was selected as a comparison. The findings indicate that the thrust force and micro-hole wall surface quality of titanium alloy materials are more sensitive to the changes in feed rate. The additive manufactured titanium alloy before heat-treatment exhibits the maximum thrust force and micro-hole wall surface roughness. Material strength exerts a more pronounced effect on the thrust force during drilling compared to material hardness, while micro-defects are the factors that contribute to the deterioration in surface quality. Additionally, the exit burr of the forged titanium alloy shows the largest size, which is 34.28 % and 8.73 % greater than that of the AMed titanium alloys before and after heat-treatment. Smaller feed rate and larger spindle speed are helpful to reduce the exit burr size.</div></div>","PeriodicalId":54589,"journal":{"name":"Precision Engineering-Journal of the International Societies for Precision Engineering and Nanotechnology","volume":"96 ","pages":"Pages 434-443"},"PeriodicalIF":3.5,"publicationDate":"2025-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144563193","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0