Measurement of the size of the intersection of a cylindrical end face and a small angle

In length measurement, sometimes the size can be directly measured, and sometimes an indirect method is required to obtain the measurement result. As shown in the figure, the measurement of the size of the intersection of the cylindrical end face and the small angle, we improve the measurement accuracy by means of indirect measurement. (1) After the outer circle size is accurately measured, the angle Î± is measured using a universal tool microscope angle measuring eyepiece.

Iron Investment Casting

Iron Investment Casting, also known as iron lost wax casting or ferrous investment casting, is a manufacturing process that involves pouring molten iron into a mould made from a wax pattern. The wax pattern is created by injecting molten wax into a mould cavity formed around a pattern of the desired part. Once the wax pattern is coated with ceramic material and dried, it is heated to melt and remove the wax, leaving a cavity in the shape of the desired part. Molten iron is then poured into the cavity and allowed to solidify, creating a final iron casting with intricate details and high dimensional accuracy.

The materials commonly used in iron investment casting include various grades of iron, such as grey iron, ductile iron, and alloyed iron. Grey iron, known for its high carbon content and graphite flakes, offers good machinability and damping capacity, making it suitable for applications requiring vibration absorption. Ductile iron, also known as nodular iron or spheroidal graphite iron, exhibits enhanced strength, ductility, and wear resistance compared to grey iron, making it ideal for components subjected to high stress and impact loads. Alloyed iron, which incorporates alloying elements such as chromium, nickel, and molybdenum, offers improved mechanical properties and corrosion resistance, expanding its application range in demanding environments.

Overall, iron investment casting provides manufacturers with the flexibility to produce complex iron components with precise dimensions and superior surface finish, making it a preferred choice for various industries, including automotive, aerospace, machinery, and infrastructure.

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