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Nozzle plates for rockets; Aircraft engine parts; Boring machines; Thread grinding machines; Center lapping machines; By the mid-1960s, the company was based in Troy, Michigan. [6] In 1986, Ex-Cell-O was acquired by defense industry conglomerate Textron for $77.50 per share in cash, totaling about $1.1 billion (about $3.1 billion in 2023 dollars).
An Epstein frame comprises a primary and a secondary winding. The sample under test should be prepared as a set of a number of strips (always a multiple of four) cut from electrical steel sheet or ribbon. Each layer of the sample is double-lapped in corners and weighted down with a force of 1 N [clarification needed] (see photo).
The rotating magnetic field is the key principle in the operation of induction machines.The induction motor consists of a stator and rotor.In the stator a group of fixed windings are so arranged that a two phase current, for example, produces a magnetic field which rotates at an angular velocity determined by the frequency of the alternating current.
Locomotive frame of a LNER Gresley Pacific locomotive during construction. A locomotive frame is the structure that forms the backbone of the railway locomotive, giving it strength and supporting the superstructure elements such as a cab, boiler or bodywork. The vast majority of locomotives have had a frame structure of some kind.
10-inch and 100-millimetre sine bars. In the U.S., 5-inch sine bars are the most common size. [1] Angles are measured using a sine bar with the help of gauge blocks and a dial gauge or a spirit level. The aim of a measurement is to measure the surface on which the dial gauge or spirit level is placed horizontally.
While a magnetic deflection yoke can be used to provide a random-access vector display image, the high inductance of the yoke windings requires powerful amplifiers that may be expensive to produce with high bandwidth. In a raster scan display used for television or computer displays, the energy stored in the deflection system is recovered and ...
This article describes techniques; for a history of the movement of tectonic plates, see Geological history of Earth.. Plate reconstruction is the process of reconstructing the positions of tectonic plates relative to each other (relative motion) or to other reference frames, such as the Earth's magnetic field or groups of hotspots, in the geological past.
The GMT800 was a General Motors full-size truck platform used from the 1999 through 2009 model years. It is the foundation for the Chevrolet Silverado and GMC Sierra pickups; and the derivative GMT820 and GMT830 versions for the Chevrolet Tahoe/GMC Yukon and the Chevrolet Suburban/GMC Yukon XL full-size SUVs, respectively.