WebApr 2, 2015 · Study now. See answer (1) Best Answer. Copy. Selecting and establishing a suitable Datum is critical, ensure your datum is at a fixed point. Normally a hole/slot. Holes and slots a normally lasor cut, ensuring they are at an extremely high tolorance already. Then reference the slot or hole to another near by slot or hole. WebK12 Outline the use of marking out conventions when marking out the work piece (including datum lines, cutting guidelines, square and rectangular profiles, circular and radial profiles, angles, holes linearly positioned, boxed and on pitch circles) You should always work from the datum line as this would make each measurement more accurate than ...
Explain how to select and establish a suitable datum - Course Hero
WebMarking out will be the preparation required for cutting and shaping sheet materials, plate and sections, as appropriate to the application, and will include marking out workpiece … WebExplain the need for clear and dimensional accuracy in marking out to specification and drawing requirements. Outline the setting and adjusting tools (such as squares, protractors and verniers). Explain the importance of using tools only for the purpose intended; the care that is required when using the equipment and tools; the proper way of ... st george gas station
How to Teach Writing Conventions Lessons & Examples
WebSee Page 1. explain how to select and establish a suitable datum; the importance of ensuring that marking out is undertaken from the selected datum, and the possible effects of working from a different datum 9. describe the methods of holding and supporting the workpiece during the marking outactivities, and equipment that can be used (such as ... WebMarking out will be the preparation required for cutting and shaping sheet materials , plate and sections, as appropriate to the application, and will include marking out work piece datums, centre lines and cutting details, including hole centring and outlining details. Items to be marked out may include ferrous and non-ferrous materials. Web10. explain how to select and establish a suitable datum; the importance of ensuring that marking out is undertaken from the selected datum, and the possible effects of working from a different datum 11. describe the use of marking out conventions when marking out the workpiece (including datum lines, cutting guidelines, square and rectangular ... st george furniture outlet