Results 11 to 20 of about 1,399,412 (310)
Traceability of On-Machine Tool Measurement: A Review [PDF]
Sensors, 2017 Nowadays, errors during the manufacturing process of high value components are not acceptable in driving industries such as energy and transportation. Sectors such as aerospace, automotive, shipbuilding, nuclear power, large science facilities or wind ...
Unai Mutilba +4 more
doaj +5 more sources
A newly conceived cylinder measuring machine and methods that eliminate the spindle errors [PDF]
, 2012 Advanced manufacturing processes require improving dimensional metrology applications to reach a nanometric accuracy level. Such measurements may be carried out using conventional highly accurate roundness measuring machines.
David, Jean Marie +6 more
core +1 more source
Group-delay measurement of frequency-converting devices using a comb generator [PDF]
, 2010 We propose a new method for the measurement of (group) delay from the radio-frequency (RF) input to the intermediate-frequency (IF) output of a mixer or a receiver.
Scott, Jonathan B., Hoy, M.
core +1 more source
Journal of Advanced Mechanical Design, Systems, and Manufacturing, 2021 Aspherical or free-form optical surface machining using an ultra-precision machine tool is a common and effective method used in the manufacturing of precision optics.
Hao DUAN +4 more
doaj +1 more source
On the Design of a Photo Beauty Measurement Mechanism Based on Image Composition and Machine Learning [PDF]
, 2021 In this chapter, we propose a machine learning scheme on how to measure the beauty of a photo. Different from traditional measurements that focus on the quality of captured signals, the beauty of photos is based on high-level concepts from the knowledge ...
Fahn, C. S.;Wu, M. L.
core
The Role of Measurement and Modelling of Machine Tools in Improving Product Quality [PDF]
, 2013 Manufacturing of high-quality components and assemblies is clearly recognised by industrialised nations as an important means of wealth generation. A “right first time” paradigm to producing finished components is the desirable goal to maximise economic ...
Parkinson, Simon +15 more
core +1 more source
On-machine Measuring and Machining of Freeform Surface Using a Polar-coordinate Desktop Machine Tool
Journal of Advanced Mechanical Design, Systems, and Manufacturing, 2011 Currently, with the rapid improvement of CAD design technology, the design cycle and production cycle became shorter and shorter. Therefore, it is highly demanded to develop the dexterous machining tools, which are suitable for measuring and machining of
Jiang ZHU +5 more
doaj +1 more source
The Flagstaff Measuring Machine [PDF]
Symposium - International Astronomical Union, 1990 The U.S. Naval Observatory is building a measuring machine which will hold four PSS plates simultaneously and will automatically measure them, in a highly controlled environment, in about 12 hours. The images will be recorded by two camera subsystems with a scale of 0.9 arcseconds/pixel on a 0.33 × 0.26 degree CCD frame.
Gart Westerhout, Dave Monet
openaire +1 more source
On-machine form measurement of high precision ceramics parts by using a laser displacement sensor
Journal of Advanced Mechanical Design, Systems, and Manufacturing, 2014 Ceramics materials have excellent mechanical characteristics such as high-stiffness, low-thermal expansion, wear resistance and light weight. Owing to those characteristics, the ceramics parts have been used for the sliding part of the precision ...
So ITO +7 more
doaj +1 more source
Journal of Advanced Mechanical Design, Systems, and Manufacturing, 2014 An on-machine measurement system to measure the workpiece's geometry or dimension plays an important role in manufacturing processes. A laser displacement sensor recently attracts more attention which enables on-machine high-speed continuous ...
Yuu NAGAI +2 more
doaj +1 more source