Difference between revisions of "VTube-LASER and True Position"

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(→‎Tangent Point Deviations: Spherical Radius True Position)
(→‎Intersection Point 3D Deviations Positions Form Spherical Radius True Positions)
 
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==Tangent Point Deviations: Spherical Radius True Position==
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==Tangent Point Deviation Positions Form Spherical Radius True Positions==
  
 
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[[image:VTube-LASER_Tan_Grid.png|400px]]
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[[image:VTube-LASER_Tan_Grid2.png|500px]]
 
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This shows emphasis given to the middle straight.<td>
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The master centerline includes tangent points and midpoints along the centerline.<td>
 
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[[image:VTube-STEP_v2.8_precisionweightcontrol_alignment_middle.png|600px]]
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[[image:VTube-LASER_master_tanmidtan.png|500px]]
 
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==Values==
 
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The T1 and T2 TRANSLATE values control the influence that tangent 1 or tangent 2 have in each straight. This is a translation influence - which means it controls the influence along the X, Y, and Z axes without reference to any twisting motion for the alignment.<br><br>
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The aligned tangents and midpoints can be compared to the master points.<td>
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The STRAIGHT VECTOR values allow each straight to have more or less influence with rotational or angular alignment - like a twist. (Twist in alignment is also referred to as "transformation" - which is distinct from "translation".
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See the T1 and T2 TRANSLATE for "translation.)
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Set these values to change the alignment. Then press recalculate alignment.
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[[image:precisionweightinggrid.png|500px]]
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[[image:VTube-LASER_master_tanmidtan_algined.png|500px]]
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The deviation from master tangents and midpoints is a true 3D distance - which means that they are spherical radius true position deviations.<td>
 
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[[image:VTube-LASER_aligned_end_deviation.png|500px]]
 
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==Popup Menu==
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==Intersection Point 3D Deviations Positions Form Spherical Radius True Positions==
  
 
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As of 2.9.17, VTube also includes a popup menu to make changing the values easier.
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The 3D deviations for the XYZ centerline end and intersection points are also the equivalent of spherical radius true position values.  The 3D deviations shown in the XYZ grid in the Inspection Data menu show these deviation values.<td>
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[[image:precisionweightinggrid_popup.png|500px]]
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[[image:VTube-LASER_XYZ_deviation_Grid1.png|500px]]
 
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=Other Pages=
 
=Other Pages=

Latest revision as of 15:17, 26 May 2022

Vtube-laser logo 1.96.png



Vtube-laser v2.7 screenshot.png

Contents


HOW VTUBE-LASER CALCULATES GD&T TRUE POSITION

VTube-LASER actually shows the "spherical radius true position" values in more than one place in the Inspection Data.

Tangent Point Deviation Positions Form Spherical Radius True Positions

The TANGENT POINT and MIDPOINT deviations along the centerline are the equivalent of spherical radius true position values.  The deviations shown in the Tangent grid in the Inspection Data menu show these deviation values (Tangent-Midpoint-Tangent along each straight).

VTube-LASER Tan Grid2.png

The master centerline includes tangent points and midpoints along the centerline.

VTube-LASER master tanmidtan.png

The aligned tangents and midpoints can be compared to the master points.

VTube-LASER master tanmidtan algined.png

The deviation from master tangents and midpoints is a true 3D distance - which means that they are spherical radius true position deviations.

VTube-LASER aligned end deviation.png



Intersection Point 3D Deviations Positions Form Spherical Radius True Positions

The 3D deviations for the XYZ centerline end and intersection points are also the equivalent of spherical radius true position values.  The 3D deviations shown in the XYZ grid in the Inspection Data menu show these deviation values.

VTube-LASER XYZ deviation Grid1.png



Other Pages

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