Tutorials on Sheetmetalworld.com
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TUTORIAL: 90 Degree transition elbow
Our Transitional elbow will be offset from one side only. Here you will layout a 90 Deg. elbow 8/12 to 8/10 keeping one side straight. Draw your flat side pattern and bisect the heel and throat curves, establishing points 3 & 6.
Feb-02
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TUTORIAL: How to manufacture a classic Ship Ventilator style component
Here is a view of a 5 piece tapering elbow, having a round base and a elliptical top. This form is generally known as a ship ventilator. The principles shown in this problem are applicable to any form or shape no matter what the prospective profiles may be at the base or the top.
Jan-02
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TUTORIAL: Developing a pattern for a cone with a pitch using radial line development
What's important to remember with radial line development is all tapers (slants) must remain constant. (Left).
Jul-01
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TUTORIAL: Learn how to layout a cone
Learn how to layout a cone and the formula, these numbers can be replaced with your dimensions.
Jul-01
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TUTORIAL: How to develop a Square to Round
A true understanding of what "True Length" means and how to find and see true lengths is everything in pattern development by means of triangulation. Here we take you step by step in developing a Square to Round, just keep in mind "Practice makes perfect"
Jul-01
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TUTORIAL: Learn how to layout simple transitions
This tutorial will show you how to layout a 14/10 to 14/8 transition with the bottom flat and total length will be 12".
Jul-01
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TUTORIAL: Learn offsets fast and easy.
As in all fittings you need to establish a starting point, so draw a horizontal line on the paper, somewhere near the bottom (A,C) now draw a line perpendicular to line A,C. and establish one end of the fittings, line A, B. , The fitting in the illustration is 18" long (But this could be any length) so we need to make a mark 18" on line A,C and draw another line perpendicular to A,C (line C,D) to establish the length of the fitting. Being that lines A,B and C,D are reference lines you will want to lightly extend these up a ways until you establish the other points. Our fitting is going to be 12" in height and 18" long, so mark the reference line for the height of the fitting (3) at 12" up from line A,C and on line C,D
Jul-01
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TUTORIAL: Change elbow 60 degrees
The Sheetmetal Shop Quarterly: These change elbow fittings will save time, space and material. It will also give you a more professional look on the completed job. We show this fitting 60 Degrees but use the same method for any angle and size. The inside throat radius is 2", however we do show the same fitting near the end with a 1 to 1 radius to width ratio.
Jul-01
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