Article about Renishaw’s Stonehouse factory written by world leading magazine Modern Machine Shop. References. [1]. K. Patorski, M. Kujawińska, L. Salbut „Interferometria Laserowa z Automatyczną Analizą Obrazu“ OWPW, Warszawa, Google Scholar. [2]. Interferometria laserowa z automatyczną analizą obrazu. K Patorski, M Kujawińska, L Sałbut. Oficyna Wydawnicza Politechniki Warszawskiej, 46,

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Nevertheless, the artifact provides an essential link to a known standard of accuracy derived away from the machine. Exactly what the machining systems at Stonehouse will evolve to is open.

These are graphically summarized in the pyramid below.

Interferometria laserowa z automatyczną analizą obrazu – Krzysztof Patorski – Google Books

The other retroreflector forms the variable length measurement arm as its distance varies in respect niterferometria the beam splitter. Opened in Aprilit coverssquare feet—70, devoted to the machine shop and 10, devoted to parts finishing and anodizing. There are different interferometer set up’s based on Michelson’s principle, however, the linear set up is the simplest type to explain.

The system can’t perform the operation now.

Aluminum chips, produced in substantial volumes during high speed machining, are collected at a compactor. However, what s visible is only part of the story. InRenishaw moved its machining operations to a new, climate-controlled facility within its New Mills headquarters in Wotton-under-Edge in Gloucestershire.

These errors can be reduced by an environmental compensator unit XC ensuring that XL measurements maintain accuracy over a wide range of conditions. International Journal of Optics 30 5, The laser beam 1 emerges from the XL laser head and gets split into two beams reflected 2 and transmitted 3 at the polarising beam splitter.

Incoherent superimposition of multiple self-imaging under plane wave-front illumination K Patorski Applied interferometriia 25 14, Effective and efficient manufacturing could be virtually locked in during the design phase.


Email address for updates. Environmental compensation is NOT required for angular or straightness measurements when using a Renishaw laser system.

Integrated engineering and shop floor staff. The need to increase production and automate processes was apparent. The following articles are merged in Scholar. The machines have built-in features to control the effect of heat on spindles and ballscrews. Stonehouse, stripped to a shell, presented engineers with a clean slate for laying out an ideal machining facility. Review of scientific instruments 69 3, The other was the use of artifacts, or master components, by which a machine tool could check its own dimensional calibration.

Periodically, the artifact is probed on the machine to compare its size with the CMM-calibrated dimension. Digital in-plane electronic speckle pattern shearing interferometry Interferoemtria Patorski, AG Olszak Optical engineering 36 7, Metrology and Inspection III, Laser interferometry is a well established method for measuring distances with great accuracy. By using two light beams usually by splitting one beam into twoan interference pattern can be formed when these two beams superpose.

About 5, different parts are produced here in quantities totaling abouta month. Here, the manufacturing engineer can develop, verify and document every aspect of a new part process, from cost analysis, fixture design and CNC programming to tooling selection, trial runs and capability studies.

Its accuracy has later been improved with the invention of lasers. After considering the options, the company elected to buy a large existing factory building and rebuild its interior as a clean, well-lit, well-ventilated manufacturing space. Periodically, the artifact is probed on the machine and the results are compared with calibrated dimensions. Process innovations had to ,aserowa tied to and spring from interfegometria and engineering considerations. This displacement measuring interferometry is extensively used for calibration and mechanical stage motion control in precision machining.


Tolerances of 20 microns can be held with a workpiece-specific artifact.

RAMTIC system still ticking

The higher resolution of 1 nm is achieved by phase interpolation within these cycles. A visitor to the shop floor at Stonehouse could be easily dazzled by its open, tidy appearance and laserowq by a closer look at its machining efficiencies.

Register for regular news updates from Renishaw. The lathes provide turning capacity for parts less than 32 mm in diameter.

Interferometry explained

The path difference of these two beams causes a phase difference which creates an interference fringe pattern. Stonehouse interferometriz that with an intelligent strategy and a strong commitment, any manufacturer should be able to keep production on its own turf.

Paul Maxted is shown holding a probing unit, the kind used on many of the machine tools in the shop. This “Cited by” count includes citations to the following articles in Scholar. The probe is doubly significant.

Besides being clean and bright, the renovated Stonehouse is roomy. After being reflected back at the mirrors these beams recombine again at the beam splitter before arriving at the detector.

The interior of this building, which is remarkably clean and bright, creates a good environment for machines as well as for personnel. RAMTIC was also based on some critical intangibles—most notably a focus laaerowa design for manufacturability and an effort to prove out processes thoroughly before releasing them to the shop floor.