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2. Centrifugal casting (industrial) - Wikipedia

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

   In sizes of up to 6 m (20 ft) diameter and 15 m (49 ft) length. With a wall thickness range from 2.5 to 125 mm (0.098 to 4.921 in). In tolerance limits of the outer diameter of 2.5 mm (0.098 in) an die inner diameter of 3.8 mm (0.15 in). In a surface finish from 2.5 to 12.5 mm (0.098 to 0.492 in) rms.

3. Semi-finished casting products - Wikipedia

   en.wikipedia.org/wiki/Semi-finished_casting_products

   A billet is a length of metal that has a round or square cross-section, with an area less than 36 in 2 (230 cm 2). Billets are created directly via continuous casting or extrusion or indirectly via hot rolling an ingot or bloom. [1] [2] [4] Billets are further processed via profile rolling and drawing. Final products include bar stock and wire. [3]

4. Chvorinov's rule - Wikipedia

   en.wikipedia.org/wiki/Chvorinov's_rule

   Where t is the solidification time, V is the volume of the casting, A is the surface area of the casting that contacts the mold, n is a constant, [clarification needed] and B is the mold constant. This relationship can be expressed more simply as: = Where the modulus M is the ratio of the casting's volume to its surface area:

5. Metal spinning - Wikipedia

   en.wikipedia.org/wiki/Metal_spinning

   Other methods of forming round metal parts include hydroforming, stamping, forging and casting. These other methods generally have a higher fixed cost, but a lower variable cost than metal spinning. As machinery for commercial applications has improved, parts are being spun with thicker materials in excess of 1in (25mm) thick steel.

6. Table (furniture) - Wikipedia

   en.wikipedia.org/wiki/Table_(furniture)

   Most tables are composed of a flat surface and one or more supports (legs). A table with a single, central foot is a pedestal table. Long tables often have extra legs for support. Dinner table and chairs. Table tops can be in virtually any shape, although rectangular, square, round (e.g. the round table), and oval tops are the

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