2012 idea assembly “hint” pack
DESCRIPTION
2012 IDEA ASSEMBLY “HINT” PACK. ARM: draw in 2D. Copy / paste this view into Inventor. Whole object takes two extrusions… 1 st Extrusion- take full thickness = 9/16”. 2 nd Extrusion will require a sketch like this…. Yoke in three Inventor steps…. Yoke: - PowerPoint PPT PresentationTRANSCRIPT
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2012 IDEA ASSEMBLY “HINT” PACK
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ARM: draw in 2D
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• Copy / paste this view into Inventor
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Whole object takes two extrusions… 1st Extrusion- take full thickness = 9/16”
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2nd Extrusion will require a sketch like this…
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Yoke in three Inventor steps…
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Yoke:I chose 2D for the sketch; you could make this directly in 3D.Note I did not bother with the hole; do as point center in Inventor.
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After extruding the sketch to full height, sketch on top plane and locate the point center. Finish sketch and use 3D Model Hole command to add a ½-13 UNC threaded hole. Be sure to select the thread option (circled in green).
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Threaded Holes:To cover the vernacular: ½-13UNC-2ATranslates to:: Diameter – Threads Per Inch – Class of Fit=½” Dia bolt –with- 13 threads per inch in the Unified National Course family –with- internal fit (i.e. hole is tapped)
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Add two additional holes and yoke is completed.
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Spreader Nut
Two steps in Inventor
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Sketch the half section of the nut (minus the hole completely)
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Revolve the sketch. When completed, sketch on the top plane and locate center with a point. Add a 3D Model Hole feature using same ½-13UNC-2A specs. Done!
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Screw
Sketch the full profile and then cut in half.
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Revolve
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3D Solids Menu:Look for “Thread” under the Modify tab.Select the face to cut and total length of 3.125.
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Need a work plane…Create a sketch on top of the object; need a line from center to quadrant.Create a work plane at the end point of the new line.
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Sketch on work plane. Share geometry to get center axis. Locate a 11/32” dia circle and extrude through all.
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Done!*Well almost… Got fancy and added a .0625 chamfer on the bottom edge to help “start” the threads.
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Pin (Spring Pin)
*Catch specs given on bottom of page 3.
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Spring Pin
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Sphere’s“Knobs are 9/16” diameter spheres, with ¼” deep holes for press fit.”-Bottom left of page #3.
Step 1: Sketch a 9/16” circle and bisect it with a line down the middle. Trim off half.
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Revolve the semi circle into a full sphere.
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Share the sketch for Revolution 1 and create a work plane at the endpoint of the center line. Next, create a sketch on the new work plane.
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Project Geometry of the center line onto the work plane and use that point as the center of the 5/16” hole, ¼” deep.
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Handle:5/16”x4” long.
Sketch a 5/16” circle and extrude to 4” length.