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How do you interpret workpiece reference points and system of tolerancing?
Wiki User
∙ 7y ago
Reference points: Think about how the part will be made, and how it will be inspected. Usually something will make sense. Try to keep common references between drawing views, and if possible try to base everything from points, planes, or edges that appear in multiple views.
Tolerances: Consider how the part will be made- what minimum tolerances can be held on the intended equipment and processes? What is the maximum tolerance on the individual parts that will allow the assembly to fit together and function properly? The right answers lie between those extremes.
Wiki User
∙ 7y ago
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What are Dimensional Constraint Types by GstarCAD?
IUG_DimensionConstraintGstarCAD provides you eight Dimensional Constraint types:LinearConstrains the horizontal or vertical distance between points.Linear(Horizontal)Constrains the X distance between points on an object, or between two points on different objects.Linear(Vertical)Constrains the Y distance between points on an object, or between two points on different objects.AlignedConstrains the distance between points on an object or between two points on different objects.AngularConstrains the angle between line or polyline segments, the angle swept out by an arc or a polyline arc segment, or the angle between three points on objects.RadiusConstrains the radius of a circle or arc.DiameterConstrains the diameter of a circle or arc.ConvertConvert associative dimensions to dimensional constraints.
What are imperial and metric systems of measurement tolerances and fixed reference points?
Here is a conversion table:METRICIMPERIAL1 millimetre (mm)0.03937 in1 centimetre (cm) 10mm0.03937 in1 mere (m) 100cm1.0936 yd1 kilometre 1000 m0.6214 mileIMPERIALMETRIC1 inch (in)2.54 cm1 foot (Ft) - 12 inches0.3048 m1 yard (yd) - 3 feet0.9144 m1 mile - 1760 yd1.6093 km1 int nautical mile - 2025.41.853 km
What are variable inlet guide vanes?
The first link has a picture of some of these vanes: first column, second row. VIGVs direct air into the first rotor stage. They have the effect of improving the difference between the mass flows at operating points in the mid-range and corresponding surge points (which are catastrophic points at which flow through the stage could spontaneously reverse). Please see the second link and third.
What is camber is eot crane?
The height of the center point of the girder compared with the straight line between the two end points.
How is radiation used to check welds?
A source of gamma radiation is placed on one side of the weld, and a photographic film is placed on the other. Bubbles and weak points will appear on the film.
What are the reference or datum points on a cnc lathe machine?
depending on machine-x and z zero machine reference points are in the upper right hand corner(away from workpiece) whereas your programmable origin point used for your specific program is completely up to you.
How important are the reference points in a coordinate system?
If the reference points are not correct, the location of any coordinate will be incorrect.
What are useful reference points?
Reference points are used in order to easily access information that is in a larger collection of data.
What are the three main types of laser engraving machines?
There is an XY table which is where the workpiece is stable but the the laser moves around x and y points. The second one is best used for cylindrical workpieces. the third one both the workpiece and laser are still but mirrors are used.
what Navigation at sea requires the use of many points and lines to reference location and trajectory.What are the minimum points of reference needed to determine a trajectory (line)?
2 points
What is the Distributor points gap?
.016 as a reference
A number line used to reference points?
An axis.
What are the two basic points of reference on the surface of the earth?
which are two basic point of reference on the surface of the earth
Why do reference points that are stationary are chosen to determine whether an object is in motion?
To help you state how the reference point placement is and how the object is moved from the reference point
What are fixed reference points in engineering drawings?
FIxed reference points refers to a coordinate system or set of axes within which measure the position, orientation and other properties of an object in the drawing.
How do you identify workpiece reference points and systems of tolerance?
Reference points: Think about how the part will be made, and how it will be inspected. Usually something will make sense. Try to keep common references between drawing views, and if possible try to base everything from points, planes, or edges that appear in multiple views. Tolerances: Consider how the part will be made- what minimum tolerances can be held on the intended equipment and processes? What is the maximum tolerance on the individual parts that will allow the assembly to fit together and function properly? The right answers lie between those extremes.
How is an exact position in space identified?
There are several methods.You need a reference point (the origin. For an n-dimensional space you will need a set of n axes and n measures which define the position with regard to origin. The axes need not be orthogonal (at right angles) as can be seen from isometric graph paper. The measures need not all be distances, they can comprise one distance and the remainder being angles.Alternatively, you can have many reference points and directions from these reference points to the position. This is the system used by early cartographers for making maps before satellite mapping became possible. The reference points were called triangulation points, and as they moved across the region being mapped, they identified new triangulation points (whose positions they had worked out) so that they had these reference points reasonably near the position to be identified.Yet another method was to have a set of reference points and distances from these reference points to the position. This is the system used for GPS where the reference points are 3 or more satellites and the measures are distances to the position. Actually, the measures are of time but given the speed of light in the Earth's atmosphere, converting time to distance is trivial. A lot of trigonometry follows.
