Stock Preperation Warm-Up

Explain the difference between the USE of the JOINTER and the SURFACE PLANER

Jointer Used 1 st in the Stock Prep Process Straightens and Flattens the Wood –Makes STRAIGHT LINES

Surface Planer Used 2 nd in the Stock Prep Process Creates a PARALLEL face to the opposite STRAIGHT face created by the Jointer Allows you to make the lumber whatever THICKNESS you want –Sometimes called a Thickness Planer

Warm-Up Explain how to fix a board that has a serious cup, BEFORE you start jointing.

Dealing with a Cupped Board

Warm-Up Explain how to fix a board that has a serious BOW before you use the Jointer?

Dealing with a Bowed Board Cut Board in Half

Warm-Up What is the formula for calculating Board Foot? What is the UNIT?

Answer When working in ALL inches: –W x L x H/144 Cubic Inches because it is a VOLUME measurement

Warm-Up What do you add to the FINISHED WIDTH, LENGTH, and THICKNESS to get the ROUGH DIMENSIONS?

Finished to Rough Dimensions You MUST use the ROUGH DIMENSION when figuring COST –You need 1” thick material to get ¼”, ½” or ¾” thick stock Basic Rules of Thumb: –Add ½” to the WIDTH –Add 2” to the LENGTH –Add ¼” to the THICKNESS DEPENDS ON CONDITION OF LUMBER

Warm-Up After using the Jointer and Planer what is the next POWER TOOL that needs to be used? What does type of edge does it create?

Answer The TABLESAW is the TOOL that is used after the JOINTER and PLANER It creates a PARALLEL edge

Tomorrow I am buying the PIZZA If one student, in either class, breaks a rule then NO ONE will get pizza!! I will make sure everyone else knows who broke the rule

Rules Destruction of ANY property No Smoking Not Allowed to Leave the House without Permission ALL school rules apply Grafitti Stealing Property, Tools or Materials

Tomorrow Report to the Shop at 9am No open shoes No Shorts Need a Tape Measure Need a Pencil Need your Safety Glasses

Warm-Up After using the Jointer, Planer and Table Saw, what is the next POWER TOOL that needs to be used? What does type of cut does it create?

Answer You NEED to use the Sliding Compound Miter Saw or Radial Arm Saw after the Jointer, Planer and Table Saw –Cut to Final Dimensions The Sliding Compound Miter Saw creates SQUARE cuts to a STRAIGHT edge

1 st Things Finish Downhill Race Track –Chris, Kelvyn, Justin Clean-Up Shop –Organize –Mirrors, etc.

Tomorrow Same Rules Apply –Tape Measure –Pencil –No Shorts –No Open Toed Shoes Bring a Lunch

Warm-Up Why is it important to sand on the LEFT side of the Disc Sander?

Answer Always Sand on the LEFT of the Disc: The Disc is spinning COUNTER CLOCKWISE so it will push the Work Piece INTO the table

Warm-Up What limits the size of the work piece you can sand on the Belt/Disc Sander?

Answer The WIDTH of the Belt ½ the DIAMETER of the Disc

Warm-Up How deep do you make a finger joint?

Answer The DEPTH of the Finger Joint is determined by the THICKNESS of the material being joined

Warm-Up Why is a DOVETAIL joint better than a FINGER JOINT?

Answer A Dovetail Joint is stronger than a Finger Joint because it can ONLY be pulled apart in ONE DIRECTION

Warm-Up What is the difference between a DADO, RABBET and a GROOVE?

Dado U-Shaped Recess ACROSS the GRAIN

Rabbet L-Shaped Recess

Groove U-Shaped Recess WITH the GRAIN

Warm-Up Explain the importance of DRY assembling your project BEFORE final assembly

Importance of Dry Assembly Check to make sure ALL measurements are correct Check to see if everything fits Gives you time to make correction Gives you PRACTICE at assembling project –Figure out how to clamp it, etc Gives you a chance to take measurements

Warm-Up Why is it important to NEVER sand an edge that will be joined to another face or edge?

Answer A machine cuts a SQUARE and STRAIGHT edge You CANNOT hand sand an edge PERFECTLY SQUARE or STRAIGHT

Warm-Up Explain WHERE and WHEN you would use the following Joints: –Rabbet –Dado

Joinery Uses Rabbet: –simple case construction –Joining at 90 degrees –Conceals End Grain –Prevents movement in 1 plane Dado: –Mount Shelves in Cabinets and Bookcases –Joining at 90 degrees –Prevents movement in 2 planes

Warm-Up Explain WHERE and WHEN you would use the following Joints: –Dovetail –Groove

Joinery Uses: Dovetail: –Reinforced Joint –Prevents movement in ALL planes –Drawers, Case Construction, Knock Down Furniture Groove: –A U-shaped Slot WITH the grain –Drawer or Case Bottoms –Prevents movement in 2 planes

Warm-Up What is the difference between a POSITIONED, NON-POSITIONED and a REINFORCED Joint?

NON-Positioned Joint Two components meet without any position or locking effect Only glue or fasteners hold the joint Weakest

Positioned Joint One or both components have a machined contour that holds the assembly in place Nails and Glue help to strengthen joint Stronger than NON-positioned joints

Reinforced Joint Additional element besides glue that helps hold the joint together –Dowels, biscuits, splines, glue blocks, nails, screws, etc.

Warm-Up What is the difference between a Half-Blind Dovetail and a Thru- Dovetail?

Half-Blind Dovetail Used on Drawer Boxes and Case Construction Conceals the End Grain on one Side

Thru-Dovetail Stronger Shows End Grain on BOTH sides Case Construction Decorative

Warm-Up List the 3 MOST important stationary power tools used in stock preparation

Stock Prep Tools Jointer –flattens and straightens Surface Planer –makes opposite FACE parallel to jointed FACE Table Saw –makes opposite EDGE parallel to jointed EDGE

Warm-Up Explain the difference between HEARTWOOD and SAPWOOD

Heartwood Inner Portion of a Tree Usually Darker More Stable More Expensive Dead part of a living Tree

Sapwood Outer Portion of a Tree Usually Lighter Less Stable Less Expensive Living part of a Tree

Warm-Up Name 3 Tools you can use to create a DADO joint

Tools for creating a DADO Router –Need Fence or Straight Edge Sliding Compound Miter Saw –Need Jig and Depth Stop Table Saw –Need Dado Blade –Miter Gauge or Sliding Table Radial Arm Saw –Need Dado Blade

Warm-Up What is the difference between a STACKED Dado Blade and a WOBBLE Dado Blade

Answer Stacked Dado Blade – Has several cutters that you “stack” together to create the width needed Wobble Dado Blade – has ONE blade that you mount at an ANGLE to create the width needed

Warm-Up Which HANDSAW would be the best to use if you needed to cut a DADO by hand?

Answer The BACKSAW is the best tool to use to cut the shoulders of the DADO by hand Shoulder Cut

Warm-Up After applying a coat of shellac AND allowing it to dry, what do you do next?

Answer Scuff Sand with 220grit –Very Lightly –Finish should powder (become white with dust)

Warm-Up When using the Chisel to remove material, which way should the BEVEL of the chisel face? BEVEL

Answer The BEVEL should ALWAYS face down or to the WASTE side of the cut

Warm-Up List the machines you should use to sand your project in order of use –Most Aggressive to Least Aggressive

Sanding Machines 1.Belt Sander or Belt/Disc Sander 2.Random Orbit Sander 3.Dual Action Sander 4.Hand Sanding with Wooden Block

Warm-Up Why is it important to use the correct Sanding Machine and Sandpaper to sand your project?

Answer Saves you time Better Job Doesn’t Ruin your Project Better Finish