first project: a sign principles of manufacturing 1 copyright © texas education agency, 2012. all...

First Project: A Sign

Principles of Manufacturing

1Copyright © Texas Education Agency, 2012. All rights reserved

Sign

The first project that will be produced is a sign.


All the basic machines will be used to produce the sign.

The students will operate: scroll saw band saw drill press router


PlansThe sign will be made from a piece of 1 X 4 wood.

The finished sign should be no less than 13 ¾ inches.

Drill two ¼ inch holes in the back of the sign for hanging. Drill the holes 3/8 “ deep from the back. Both ends are the same.2” ¼” to ½”


Alternate DesignsThe shape of the sign can be changed to personalize the project. The name will be something the student chooses to engrave on the wood.


Layout Grid

The “Sign Layout Worksheet” has a grid on which to design your sign. The grid is half scale or one square equals ½ inch space.


Sign Worksheet

Check off the steps in “Steps in Production” as you finish it.Use the edge shape box to choose the design on the edge of the sign.The Grading Rubric is for you and the teacher to evaluate your sign.


Sign Worksheet

Name ________________________________ Date ______________ Period _____

Grading Rubrics

Statement Number Student Teacher

The sign matches the layout 25 points max

The design is personalized 15 points max

No saw or machine marks 15 points max marks –3 each

No sanding marks 20 points max marks –1 each

Sign length 13 3/8 to 14 inches 10 points max if shorter no points

Yes No

Finish 15 points

Total

___Round over

___Bead ___Roman Ogee___Cove

___Bevel___No Shape

Select an edge shape for your sign. Place a check mark on your selection

Steps in Production ___ select a sign blank ___ lay out the design on the wood___ cut on scroll saw or band saw___ remove saw marks with file of sandpaper___ select the edge shape from the guide on this page___ place router bit in the router table___ rout the edge of the blank___ course sand all surfaces of the sign with 80 - 100 grit sandpaper___ layout the text of the sign measure in from each side of the sign so that a letter height of at least 1 inch is left

___ draw the lettering in between the guidelines

___ rout the letters into the sign using an engraving bit___ course sand the engraved surface removing marks of burred edges___ medium sand all surfaces of the sign with 120-180 grit sandpaper

___ fine sand the sign with 220 grit sandpaper___ clean with a rag for finishing Staining and Finishing___ select stain color for the sign___ apply stain___ wipe excess stain from wood___ allow wood to dry 12 hours before finishing with a clear coat___ wipe stain wood with a clean rag to remove dust___ apply on clear finish 2 or more coats Painting___ apply primer and allow to dry___ apply paint 2 or more coats ____ fill in the rubrics at the bottom and have the teacher grade it

1. “Steps in Production”2. Illustration of edge shapes3. Grading Rubrics


Edge Shapes

___Round over

___Bead ___Roman Ogee___Cove

___Bevel______No Shape

Select an edge shape for your sign. Place a check mark by your selection.


Grading RubricsGrading Rubrics

Statement Number Student Teacher

The sign matches the layout 25 points max

The design is personalized 15 points max

No saw or machine marks 15 points max marks (–3 each mark)

No sanding marks 20 points max marks (–1 each mark)

Sign length no less than 13 ¾ 10 points max Yes No

Finish 15 points

Total


Steps in ProductionDraw the design on the “Sign

Layout Worksheet.”The instructor will give you a

sign blank when you have the layout finished.

Transfer the design to the blank using a ruler and other layout tools. 11Copyright © Texas Education Agency, 2012. All rights reserved

Steps, ContinuedCut one end of the sign on the

scroll saw.Cut the other end using the

band saw.Use a file to remove the saw marks on the edges of the sign.


Steps ContinuedUse the edge shape guide on the “Sign Worksheet” and select the edge shape.

Place the router bit that matches the shape in the router.

Rout the edge on the sign.


Steps ContinuedOn the back of the sign. Measure for

both mounting holes.Use a ¼ inch drill bit and drill 3/8 inches

deep into the back surface.The holes are 2 inches from each end

and 3/8 to ½ inch deep for holding the sign to the wall.


Steps ContinuedCoarse sand all surfaces of the sign with 80 – 100 grit sandpaper.

Lay out the text on the front surface of the sign.


Drawing Text on SignMeasure in from each edge of the sign the same distance.

Draw a straight line down the length of the sign.


TextDraw the text between the lines, centering the text on the sign.


Rout the letters into the sign using an engraving bit or other approved bit.

MLCS Router Bits and Woodworking Products

90 degree V-groove bit¼ “ round nose bit½” 60 degree V-groove bit½” round nose bit


Engraving the LettersPlace the sign in the vise to hold it.

Make sure the surface to be engraved is up and above the edge of the table.

The router must not hit anything while the sign is being routed.


Guide the router to freehand cut the letters.

Coarse sand the surface to remove stray marks and burrs on the letters.

Medium sand the complete block using 120-180 grit sandpaper.


Fine sand all sides of the sign using 220 grit sandpaper.

Clean the dust off the surfaces with a clean rag.


Use the information about finishing a project to apply the finish.

After finishing the sign, fill out the

“Grade Rubric” on the sign worksheet.

Turn in your sign and sign worksheet to the teacher. 22Copyright © Texas Education Agency, 2012. All rights reserved

Enjoy completing the sign project!


ResourcesWeb Sites on WoodworkingRough Cut – Woodworking with Tommy Machttp://www.thomasjmacdonald.com/American Woodworkinghttp://americanwoodworker.com/default.aspxWood Magazinehttp://www.woodmagazine.com/MLCS Router Bits and Woodworking Products for the

picture of router bits slide #21Pictures from Manufacturing Class studentsPlans drawn with Google Sketch Up


http://www.thomasjmacdonald.com/

http://americanwoodworker.com/default.aspx

http://www.woodmagazine.com/

first project: a sign principles of manufacturing 1 copyright © texas education agency, 2012. all...

Documents

finished sign

sign blank

sign measure

rights reserved plansthe

saw marks

layout page

wipe stain wood

rights reservedall