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Sheet Metal Template - PDF

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					Sheet Metal
Wye Fitting
 Cutout T
 4” x 4” x 4”
                                             Instructions
Introduction

This template is used to create a custom wye fitting for dust collection and HVAC applications. Retail price
for Wye fittings can range from $20-$50 per fitting, depending on size. By using these templates, and common
HVAC pipes found at your local home center, you can make a fitting for around $6 each.

Materials Required

   •   2 foot section of snap lock pipe of appropriate diameter, 26 gauge. If you’re making a fitting with a
       branch of different diameter from the main pipe, you’ll also need a pipe of the size of the branch. For
       example, if you’re making a fitting for a 6”x 6” x 4” wye fitting, you’ll need a section of 6” pipe, and a
       section of 4” pipe. Do not use the 30 gauge found at some home centers, as it’s too thin for dust
       collection, and may collapse.
   •   Tin snips.
   •   Permanent magic marker.
   •   Computer installed with Adobe Acrobat Reader and a printer.
   •   Aluminum Duct Tape. NOT the cloth tape.

Printing

When printing this document, it MUST be printed at actual size. Adobe Acrobat Reader has the capability of
scaling a document when printing, and those options must be turned off as shown below. If you are making
more than one fitting, it may be helpful to print the template on heavier paper stock for durability and to make
the tracing easier.
Cut Out the Paper Template

Cut out the template with a pair of scissors, and tape the pieces together where required. You want to cut out
the white portion out, and keep the part which has the lines. The lines indicate sheet metal.

Trace the Shape

Tape or hold steady the template to the piece of sheet metal and trace the cut line onto the metal using a fine
permanent marker. If you’re cutting out the hole in the main line, you should pay attention to the air flow. The
air will flow away from the end of the Wye with the two ends, so you should orient the cut out to the air flow
toward the crimped end of the sheet metal.

Cut Out the Sheet Metal

WARNING: These sheet metal pieces can be extremely sharp. Use a good pair of leather gloves to protect
your hands. Using sheet metal cutters or tin snips, cut the shape out of the sheet metal pipe.

Attach the Pieces Together

Snap together the pipe to form your two pieces. Take a three small pieces of aluminum tape, and attach the
branch line to the main line. Then finish the seal with more tape on the outside of the connection. If you want
to seal the piece from the inside, that’s your option.

				
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posted:8/23/2011
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Description: Sheet Metal Template document sample