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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The use of retroreflectors ensures that the beams coming from the reference and measurement arms are parallel when they recombine with each other at the beam splitter.

Michelson in the ‘s by developing the first interferometer. The first demonstration of using light interference principles as a measurement tool was achieved inherferometria Albert A.

Krzysztof Patorski (Author of Interferometria laserowa z automatyczną analizą obrazu)

New citations to this author. Their main responsibilities now lie in the middle section of the productivity pyramid. In the XL laser system the two mirrors used in the Michelson interferometer are retroreflectors prisms that interferometgia the incident light back in the direction parallel to the direction from which it came from.

The system also serves as a template that other companies can follow to revitalize their own manufacturing operations from the ground up. International Journal of Optics 30 5, Interrferometria “Cited by” count includes citations to the following articles in Scholar.

Environmental compensation Without reliable and accurate wavelength compensation, errors of 20 ppm – 30 ppm would be common in linear measurement readings interferomrtria variations of temperature, humidity and pressure for nominal values are combined even if the test conditions remain stable. New articles interferometgia this author.

The artifact is calibrated on a CMM before being stored on a machine. This “Cited by” count includes citations to the following articles in Scholar. Rather, the company sought a strategy that would set its manufacturing operations on the right course for years to come.


The displacement of the measurement arm causes change in the relative phase of the two beams. The laser read-out is then automatically adjusted to compensate for any variations in the lasers wavelength.

It used to be the other way around. Manufacturing engineers are stationed adjacent to the shop floor for regular interaction with operators. As rotary axis, flatness and squareness measurements are also based on these measurements, they also do not require environmental compensation. One laseroaa these is attached to the beam splitter forming the reference arm.

Integrated engineering and shop floor staff. As a result of these two benefits, it makes automated on-machine verification possible, thereby eliminating costly, time-consuming manual inspection after machining. Oferujemy standardowe i niestandardowe kursy szkoleniowe. Stonehouse demonstrates that with an intelligent strategy and a strong commitment, any inetrferometria should be able interferomwtria keep production on its own turf.

Renishaw needed to expand its manufacturing capability to keep up with a faster pace of product introduction.

Interferometry explained

A few interferoemtria about design for manufacturing DFM and maintaining a stable shop environment will suffice to sketch out this larger picture. The laser beam 1 emerges from the XL laser head and gets split into two beams laserowz 2 and transmitted 3 at the polarising beam splitter.

Email address for updates. Register for regular news updates from Renishaw. Probing routines for the Swiss-type lathes are also being developed. Get my own profile Cited by View all All Since Citations h-index 27 18 lasdrowa 73 The need to increase production and automate processes was apparent. All of its precision small-parts machining operations were consolidated at this location, referred to as Stonehouse after the name of the village nearby.

The optical signal processing in the detector allows the interference of these two beams to be observed.

However, bythe New Lazerowa facility had no room for more machines. Fraunhofer diffraction patterns of titled planar objects K Patorski Optica Acta: Probing routines track and eliminate its effects by re-establishing the location of key datum points and updating a work coordinate. In addition, interferometry is used to describe the techniques that use light waves for the study of changes in displacement. Review of scientific instruments 69 3, Periodically, the artifact is probed on the machine and the results are compared with calibrated dimensions.


This displacement measuring interferometry is extensively used for calibration and mechanical stage motion control in precision machining. Establishing standard, best practices and following them rigorously is the key. Once a carrousel is docked at a machine, operator involvement ceases until interfwrometria part is finished about 25 hours later. The recombined beam reaches the detector where they interfere with each other either constructively or destructively.

Laser interferometry is a well established method for measuring distances with great accuracy. International Conference on Applied Optical Metrology, Email address for updates.

Therefore the movement is measured by calculating the number of cycles using the following formula:. Artifacts are master components that represent either a generic set of machined features such as slots, bores and bosses or a replica of a specific work piece. About 5, interferomeetria parts are produced here in quantities totaling abouta month.

The dried and briquetted chips get a premium from the scrap recycler. By using two light beams usually by splitting one beam into twoan interference pattern can be formed when these two beams superpose. It was clear to top management that a new factory would soon be needed. The XC measures the air temperature, pressure and humidity, then calculates the refractive index of air and hence the wavelength of the laser.

This check is performed before machining each new pallet.