Lens centering using high-precision three coordinate measuring machine

2015 ◽  
Vol 23 (3) ◽  
pp. 639-644
Author(s):  
杜洋 DU Yang ◽  
高志山 GAO Zhi-shan
Keyword(s):  
High Precision ◽  
Coordinate Measuring Machine ◽  
Measuring Machine

Measurement System for Non-Cylinder Pin Hole of Piston

2011 ◽  
Vol 301-303 ◽  
pp. 617-622
Author(s):  
Z. Y. Yang ◽  
D. H. Liu ◽  
F. Yang ◽  
Z. G. Xie ◽  
Y. Huang
Keyword(s):  
High Precision ◽  
Measurement System ◽  
Coordinate Measuring Machine ◽  
Measuring Instrument ◽  
Movement Error ◽  
Pneumatic Measuring ◽  
Software Modules ◽  
Measuring Machine

Aim to the low measuring precision of non-cylinder pin hole using the coordinate measuring machine(CMM)and pneumatic measuring instrument, a new solution is proposed which use the high-precision digital lever probe to detect the contours of pin hole with a single clamping situation. The measuring principal of non-cylinder pin hole of piston is introduced and the functions and measuring processes of the measurement system are also presented. The software modules are given and the probe centering error and the parallelism movement error are discussed detailedly. A measuring example is given in the end. The measuring results show that the measurement system has the ability to detect the contours of pin hole with high-precision and efficiently.

A Multi-Probe Measurement Method to Evaluate the Yaw and Straightness Errors of XY Stage on High Precision CMM

2010 ◽  
Vol 447-448 ◽  
pp. 590-594 ◽  
Author(s):  
Ping Yang ◽  
Shusaku Shibata ◽  
Satoru Takahashi ◽  
Kiyoshi Takamasu ◽  
Osamu Sato ◽  
...  
Keyword(s):  
High Precision ◽  
Coordinate Measuring Machine ◽  
Simultaneous Equation ◽  
High Accuracy ◽  
Probe Measurement ◽  
Probe Method ◽  
Measuring Machine ◽  
Simulation Results ◽  
Straightness Error ◽  
Laser Interferometers

To develop a high precision Micro Coordinate Measuring Machine (Micro-CMM), it is important to evaluate an X-Y stage on the Micro-CMM. A precision multi-probe measurement system has been designed and developed for simultaneously measuring the yaw and straightness errors of the X-Y stage. In the system, an autocollimator measures the yaw error of the stage, and two laser interferometers measure the profile of a standard mirror which is fixed on the X-Y stage. The straightness error is reconstructed by the application of simultaneous equation and least-squares methods, and the uncertainty associated with the multi-probe method is simulated. When the interval of the laser interferometers equals 10 mm, the standard deviation of multi-probe method using the high accuracy autocollimator and the laser interferometers is about 10 nm. The simulation results satisfy our purpose for the uncertainty of 50 nm, and practical considerations are discussed.

scholarly journals Usage of I++ Simulator to Program Coordinate Measuring Machines when Common Programming Methods are difficult to apply

2014 ◽  
Vol 14 (1) ◽  
pp. 1-7 ◽  
Author(s):  
A. Gąska ◽  
D. Szewczyk ◽  
P. Gąska ◽  
M. Gruza ◽  
J. Sładek
Keyword(s):  
High Precision ◽  
Coordinate Measuring Machine ◽  
Coordinate Measuring Machines ◽  
General Process ◽  
Standard Methods ◽  
Machine Performance ◽  
Measuring Machine ◽  
Machine Programming ◽  
Real Machine

Abstract Nowadays, simulators facilitate tasks performed daily by the engineers of different branches, including coordinate metrologists. Sometimes it is difficult or almost impossible to program a Coordinate Measuring Machine (CMM) using standard methods. This happens, for example, during measurements of nano elements or in cases when measurements are performed on high-precision (accurate) measuring machines which work in strictly air-conditioned spaces and the presence of the operator in such room during the programming of CMM could cause an increase in temperature, which in turn could make it necessary to wait some time until conditions stabilize. This article describes functioning of a simulator and its usage during Coordinate Measuring Machine programming in the latter situation. Article also describes a general process of programming CMMs which ensures the correct machine performance after starting the program on a real machine. As an example proving the presented considerations, measurement of exemplary workpiece, which was performed on the machine working in the strictly air-conditioned room, was described

Development of high-speed and high-precision CNC coordinate measuring machine

2019 ◽  
Vol 2019.72 (0) ◽  
pp. C42
Author(s):  
Yuto KAJITANI ◽  
Syuhei KUROKAWA ◽  
Tetsuya TAGUCHI ◽  
Yuuu MIYAMOTO ◽  
Terutake HAYASHI ◽  
...  
Keyword(s):  
High Precision ◽  
High Speed ◽  
Coordinate Measuring Machine ◽  
Measuring Machine

A New Procedure for Determining Minimum Sampling Points for Tolerance Evaluation of High Precision Mechanical Parts

2017 ◽  
Vol 749 ◽  
pp. 191-196
Author(s):  
Siriluk Phankhoksoong ◽  
Anchasa Pramuanjaroenkij ◽  
Tawee Ngamvilaikorn ◽  
Chatchapol Chungchoo
Keyword(s):  
High Precision ◽  
Test Piece ◽  
Performance Testing ◽  
Coordinate Measuring Machine ◽  
Sampling Point ◽  
Cnc Milling ◽  
Mechanical Parts ◽  
Cnc Milling Machine ◽  
Measuring Machine ◽  
Major Equipment

In geometric and dimension tolerance investigations, especially for high precision mechanical parts, the accuracy of measurement is very important. The major equipment for the measurement is the coordinate measuring machine (CMM). However, the recommended strategies for evaluating tolerance values of geometric and dimension cannot be applied with high precision mechanical parts. Hence, in this research, the researcher introduced a new procedure that could evaluate geometric and dimension tolerance values of high precision mechanical parts accurately. This new procedure can determine the minimum sampling point for evaluating geometric and dimension tolerance values by using some performance information on the mechanical parts of the machine. This information was the waviness of the production machine’s motion. In order to evaluate the potential of new procedure, the flatness of test piece was made according to the ISO 10791-7-A160 standard as a case study. This test piece was made from the CNC milling machine (Chevalier 2040 VMC), and the waviness of the CNC milling machine’s motion was counted from the performance testing result measured by the double ball-bar model Renishaw QC10. By comparing flatness obtained by recommended and new procedures, experimental results indicated that the new procedure showed its potential in estimating the flatness.

Design of a High-Precision 3D-Coordinate Measuring Machine

CIRP Annals ◽  
1998 ◽  
Vol 47 (1) ◽  
pp. 447-450 ◽  
Author(s):  
M.M.P.A. Vermeulen ◽  
P.C.J.N. Rosielle ◽  
P.H.J. Schellekens
Keyword(s):  
High Precision ◽  
Coordinate Measuring Machine ◽  
Measuring Machine
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