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  2. Lofting - Wikipedia

    en.wikipedia.org/wiki/Lofting

    Plans can be lofted on a level wooden floor, marking heavy paper such as Red Rosin for the full-sized plans or directly on plywood sheets. Two men lifting templates in the mold loft, Tyneside Shipyards, 1943. The first step is to layout the grid, mark the Base Line along the length of the paper or plywood sheet.

  3. Drawing (manufacturing) - Wikipedia

    en.wikipedia.org/wiki/Drawing_(manufacturing)

    Tube drawing is very similar to bar drawing, except the beginning stock is a tube. It is used to decrease the diameter, improve surface finish, and improve dimensional accuracy. A mandrel may or may not be used depending on the specific process used. A floating plug may also be inserted into the inside diameter of the tube to control the wall ...

  4. Spreadsheet - Wikipedia

    en.wikipedia.org/wiki/Spreadsheet

    A cell on a different sheet of the same spreadsheet is usually addressed as: =SHEET2!A1 (that is; the first cell in sheet 2 of the same spreadsheet). Some spreadsheet implementations in Excel allow cell references to another spreadsheet (not the currently open and active file) on the same computer or a local network.

  5. Tube tool - Wikipedia

    en.wikipedia.org/wiki/Tube_tool

    Tube Removers-One or a combination of the three below methods is used to remove a tube from a boiler or chiller vessel Tube Cutters- Tube Cutters are used to internally cut from the inside to the outside of the tube behind the tube sheet on one end. This lessens the force required to pull a tube. To eliminate tube cutting chips in the vessel ...

  6. Process flowsheeting - Wikipedia

    en.wikipedia.org/wiki/Process_flowsheeting

    Process flowsheeting is the use of computer aids to perform steady-state heat and mass balancing, sizing and costing calculations for a chemical process. It is an essential and core component of process design. The process design effort may be split into three basic steps Synthesis; Analysis and; Optimization.

  7. Tube drawing - Wikipedia

    en.wikipedia.org/wiki/Tube_drawing

    Tube sinking, also known as free tube drawing, reduces the diameter of the tube without a mandrel inside the tube. The inner diameter is determined by the inner and outer diameter of the stock tube, the outer diameter of the final product, the length of the die landing, the amount of back tension, and the friction between the tube and the die. [3]

  8. Measurement system analysis - Wikipedia

    en.wikipedia.org/wiki/Measurement_system_analysis

    The goals of a MSA are: Quantification of measurement uncertainty, including the accuracy, precision including repeatability and reproducibility, the stability and linearity of these quantities over time and across the intended range of use of the measurement process.

  9. Capstan equation - Wikipedia

    en.wikipedia.org/wiki/Capstan_equation

    From the table it is evident why one seldom sees a sheet (a rope to the loose side of a sail) wound more than three turns around a winch. The force gain would be extreme besides being counter-productive since there is risk of a riding turn, result being that the sheet will foul, form a knot and not run out when eased (by slacking grip on the tail (free end)).