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A primary datum requires how many points of contact?
According to ASME Y14.5, a primary dimensioning datum requires at least 3 points of contact to establish the datum plane. Two points of contact are required for the secondary datum and 1 point of contact is required for the tertiary datum.
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?
To select a suitable datum, consider a stable reference point on the workpiece or surface. Mark the datum clearly and securely. When marking out, ensure all measurements and reference points are taken from this datum to maintain accuracy and consistency. Working from a different datum can lead to incorrect measurements, misalignments, and errors in the final product. It is crucial to avoid this by consistently using the established datum.
Why is it important to make sure that marking out is undertaken from the selected datums?
1. Question is really vague, it is important to mark out the selected datum, as you just selected that datum? What else are you going to do with It? If you are working from another datum point just ensure that it is a good datum with critical measurements checked otherwise the new datum could throw out al measurements. P.s i wish the selected retards would stop answering with nonsense answers.
What are two important strategies for managing your job search?
1) Track your progress, and 2) establish good job search practices.
When reviewing CMM data how many measurement points are needed to establish the primary datum plane?
To establish the primary datum plane using CMM (Coordinate Measuring Machine) data, a minimum of three measurement points is typically required. These points should be non-collinear and positioned appropriately to define the plane's orientation accurately. By using these points, the CMM can calculate the plane's best-fit surface, ensuring the datum is established correctly for subsequent measurements.
How do you select and establish a suitable datum?
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. Using these selected points will give you accruate points of measurement/datum.
Is datum the plural of data?
Datum is not the plural of data. Datum is singular, and its plural form is data.
Why is it important to ensure that marking out is undertaken from the selected datum?
1. Question is really vague, it is important to mark out the selected datum, as you just selected that datum? What else are you going to do with It? If you are working from another datum point just ensure that it is a good datum with critical measurements checked otherwise the new datum could throw out al measurements. P.s i wish the selected retards would stop answering with nonsense answers.
How do you select and establish a suitable datum on metal piece?
To select and establish a suitable datum on a metal piece, first identify the critical features that will serve as reference points for measurement and machining. Choose datums based on factors such as functional requirements, stability, and ease of access. Once identified, use precise measuring tools to define the datum's exact location and orientation, ensuring it is clearly marked and consistent throughout the manufacturing process. This establishes a reliable reference for all subsequent operations, enhancing accuracy and repeatability.
What is assumed ordnance datum?
Assumed ordnance datum is a reference point used in surveying and engineering to establish a consistent vertical level from which elevations are measured. It serves as a baseline for determining heights, depths, and levels of various geographical features or structures. This datum is particularly useful in areas where a formal or established mean sea level is not available, providing a practical standard for construction and mapping projects.
What is hydrography datum?
Correction: What is hydrographic datum? not "hydrography"
How do select and establish suitable datum?
take both index fingers, and slowly glide them into your rectum whilst singing "one more time.. were gona celebrate".
