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2. Sine bar - Wikipedia

   en.wikipedia.org/wiki/Sine_bar

   Sine bar set up with one end raised on a stack of gauge blocks Trigonometric triangle with sides. The opposite side is perpendicular relative to AC axis. A sine bar consists of a hardened, precision ground body with two precision ground cylinders fixed at the ends. The distance between the centers of the cylinders is precisely controlled, and ...

3. Ex-Cell-O - Wikipedia

   en.wikipedia.org/wiki/Ex-Cell-O

   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).

4. Surface plate - Wikipedia

   en.wikipedia.org/wiki/Surface_plate

   Surface plates are a common tool in the manufacturing industry and are often fitted with mounting points so that it can be an integrated structural element of a machine such as a coordinate-measuring machine, precision optical assembly, or other high precision scientific & industrial machine. Plates are typically square or rectangular, although ...

5. Gauge block - Wikipedia

   en.wikipedia.org/wiki/Gauge_block

   Gauge blocks were invented in 1896 by Swedish machinist Carl Edvard Johansson. [1] They are used as a reference for the calibration of measuring equipment used in machine shops, such as micrometers, sine bars, calipers, and dial indicators (when used in an inspection role). Gauge blocks are the main means of length standardization used by industry.

6. Marking out - Wikipedia

   en.wikipedia.org/wiki/Marking_out

   Marking out or layout means the process of transferring a design or pattern to a workpiece, as the first step in the manufacturing process. [1] It is performed in many industries or hobbies although in the repetition industries the machine's initial setup is designed to remove the need to mark out every individual piece.

7. Hand scraper - Wikipedia

   en.wikipedia.org/wiki/Hand_scraper

   It is done by using a precision surface such as a surface plate or a straightedge as a standard (a straightedge in this context is not a ruler; it is a miniature surface plate of extreme accuracy). The standard is coated with a very thin coating of a material such as Prussian blue. The workpiece and standard are touched together by gravity ...

8. Centrifugal casting (industrial) - Wikipedia

   en.wikipedia.org/wiki/Centrifugal_casting...

   It is typically used to cast materials such as metals, glass, and concrete. A high quality is attainable by control of metallurgy and crystal structure. Unlike most other casting techniques, centrifugal casting is chiefly used to manufacture rotationally symmetric stock materials in standard sizes for further machining , rather than shaped ...

9. Angle plate - Wikipedia

   en.wikipedia.org/wiki/Angle_plate

   An angle plate is a work holding device used as a fixture in metalworking. Angle plates are used to hold workpieces square to the table during marking out operations. Adjustable angle plates are also available for workpieces that need to be inclined, usually towards a milling cutter .