Zobrazeno 1 - 10
of 1 438
pro vyhledávání: '"geometric error"'
Publikováno v:
Alexandria Engineering Journal, Vol 111, Iss , Pp 171-180 (2025)
Accurate volumetric error model is the basis for accuracy design. In this paper, a universal model for volumetric error prediction considering tolerance is proposed. Firstly, geometric error parameters are obtained by analysing the motion forms of ke
Externí odkaz:
https://doaj.org/article/64eaff30ea6e47d8871e395cf36c4703
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-18 (2024)
Abstract To analyze the quantitative mapping relationship between the geometric errors of the five-axis CNC machine tool and the tooth surface deviation of spiral bevel gears, and identify the key geometric errors that affect the machining deviation
Externí odkaz:
https://doaj.org/article/0fafd245cd5b497abb75c2a7e74ce04e
Publikováno v:
International Journal of Digital Earth, Vol 17, Iss 1 (2024)
ABSTRACTValidation of the TROPOspheric Monitoring Instrument (TROPOMI) SIF product is a necessity to evaluate its feasibility in various applications. A few validation works have been conducted through direct comparison with in-situ SIF retrievals or
Externí odkaz:
https://doaj.org/article/e134a8cc63f84e868f4901ec57d0b67a
Autor:
Jun Zha, Huijie Zhang
Publikováno v:
Chinese Journal of Mechanical Engineering, Vol 37, Iss 1, Pp 1-13 (2024)
Abstract Laser tracers are a three-dimensional coordinate measurement system that are widely used in industrial measurement. We propose a geometric error identification method based on multi-station synchronization laser tracers to enable the rapid a
Externí odkaz:
https://doaj.org/article/9075e5b1469d4b8cba9e7e1f01ef2e9c
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-14 (2024)
Abstract The ball screw pair is a precision drive component that converts rotary motion into linear motion. In practical applications, because the feed system usually has rotational torque and geometric errors, it may increase the contact load of the
Externí odkaz:
https://doaj.org/article/e4c34e712c854d0ca8eeafc246dcbdf6
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-15 (2024)
Abstract The precision of workpiece machining is critically influenced by the geometric errors in the kinematics of grind robots, which directly affect their absolute positioning accuracy. To tackle this challenge, this paper introduces a logistic-te
Externí odkaz:
https://doaj.org/article/47f381c3c4564ddc83e248547782b24e
Autor:
Timothée Jautzy, Pierrick Freys, Valentin Chardon, Romain Wenger, Gilles Rixhon, Laurent Schmitt, Pierre-Alexis Herrault
Publikováno v:
SoftwareX, Vol 27, Iss , Pp 101866- (2024)
With the increasing use of GIS software's, historical planimetric data such as orthophotos and old maps represent key data sources to analyze spatio-temporal landscape evolution. However, geometric error inherent to these data are too often overlooke
Externí odkaz:
https://doaj.org/article/d8fcea214a5b4eab9fda6de253b1686b
Publikováno v:
Engineering Science and Technology, an International Journal, Vol 57, Iss , Pp 101814- (2024)
As a high-performance workpiece, an impeller must ensure both dimensional accuracy and aerodynamic performance. A five-axis machine tool has various geometric errors, which seriously influence the impeller processing quality, hence it is crucial to i
Externí odkaz:
https://doaj.org/article/b11641c85b43433f92188eac544aa622
Publikováno v:
Applied Sciences, Vol 14, Iss 22, p 10125 (2024)
The accuracy of traditional measuring machines is affected by the measuring range and sensitive geometric errors, and it is not possible to combine large caliber and high-precision measurements. This study proposes a differential geometric error-weig
Externí odkaz:
https://doaj.org/article/ff494dea988341d593983b6a9f7b700c
Publikováno v:
Machines, Vol 12, Iss 9, p 651 (2024)
This study presents a comprehensive geometric modeling and error propagation analysis for a 3-degrees-of-freedom spindle head, focusing on an over-constrained parallel mechanism. Four geometric error models are established for the over-constrained sp
Externí odkaz:
https://doaj.org/article/d22791cdd5bc4bf886c93d1cd3d9b889