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INCRA

 

IBOX 

OWNER’S MANUAL

©2020 by Taylor Design Group, Inc. All rights reserved. 

Page 7

OPERATIONS – CUTTING A BOX JOINT

GET READY…

1. PrepareYour Box-Making Stock  
You’ll want to begin by preparing your stock. You’ll need 
one piece of scrap stock for a test cut.  Mark one edge 
of all 4 of the box boards.  We’ve used a Sharpie for 
clarity, but a pencil mark will work just fine, Fig. 12.
2. Install Your Cutter or Blade of Choice  

UNPLUG YOUR TABLE SAW OR ROUTER 
TABLE

 and install the blade or cutter of choice.  At 

the router table, a 2-flute standard straight bit will 
work fine.  At your table saw you can use a standard 
stack dado, a reversible blade box joint set or a 1/8” 
blade with either a flat ground raker tooth or one of 
the custom ground box joint blades available, Fig 13.  

CAUTION:  

DO NOT USE THE IBOX 

WITH WOBBLE DADO 

SETS OR THIN KERF 3/32” 

SAW BLADES!
3. Stock Ledges Apart, Pin Plates Together
 

Bring the IBOX to your table.  Loosen and slide the 

blade guard to the side for a clear view.  Also loosen 

and slide both stock ledges away from the center of 

fence to provide clearance during setup. Double check 

to make sure that the pin plates are together.  If you 

need to adjust the pin plates, loosen the positioning 

lock knob located on top of the fence and turn the red 

knob counterclockwise to bring the pin plates together, 

Fig. 14 and Detail 14A.

Whether you are cutting box joints at the table saw or the router table, the set up 

routines are the same.  We’ll detail the routines in this section with images from 

the table saw, but be sure to review the included DVD to see both stations in action.

Fig. 12

Prepare Stock

4 pieces for box with 

reference line on one 

edge

Scrap piece for test cut

Fig. 14

Stock Ledges Apart, Pin Plates Together

Slide blade guard to 

the side

Slide stock ledges apart 

to provide clearance in 

the center

Fig. 13

Blade Types

Detail 14A

Pin plates 

together

Standard Stack Dado Set

Reversible Blade

Box Joint Set

Special Grind Box Joint 

Blade

2-Flute Straight Bit

Summary of Contents for I-BOXSHOPSMITH

Page 1: ... manual When using the INCRA IBOX in conjunction with any other tool first read and follow all instructions and safety information in that tool s owner s manual Always turn off the power and make sure that the bit or blade is fully stationary before moving any part of the INCRA IBOX to any new setting Always use a wooden handscrew clamp to secure your workpiece to the INCRA IBOX before making any ...

Page 2: ...BOX Hold the red knob in place as you rotate the silver micro adjust knob until you see the set screw aligned as shown in Detail 1A While the black positioning lock knob is still loose rotate the red knob to bring the 2 pin plates together as shown in Detail 1B You ll see the pin plates located just inside the fence cutout After adjusting tighten the black positioning lock knob Fig 1 Now let s get...

Page 3: ... for the setup that follows You can change back to a narrow cut blade configuration later after the setup is complete If you are setting up with a standard stack dado set any cut width can be used during setup 2 Adjust GlideLOCK Miter Bar Assembly Drop the GlideLOCK Miter Bar Assembly into your table saw s miter slot Use the left hand slot for left tilting saws or the right hand slot for right til...

Page 4: ...blade NOTE If you later move the IBOX to another table saw or your router table you will need to reset the miter bar s position as described in steps 1 3 above for the table saw or as described in steps 1 2 on page 4 for the router table Continue by skipping ahead to the section titled STOCK LEDGES BLADE GUARDS AND BACKING BOARD on page 5 Fig 4 Attach IBOX to Miter Bar Alignment plate 2 Secure IBO...

Page 5: ... the Miter Bar s position as described in Steps 1 2 above for the router table or steps 1 3 on page 3 for the table saw Fig 6 Attach IBOX to Miter Bar Alignment plate 2 Secure fence against alighment plate and tighten 2 fasteners Detail 6A 1 Slide fence to center tall fence notch on router collet STOCK LEDGES BLADE GUARDS BACKING BOARD In the following steps you ll add the Stock Ledges the Blade G...

Page 6: ...flat head Phillips screws into the upper holes on the provided backing board Thread on 2 10 32 rectangular nuts then slide the nuts into the T slot on the front face of the IBOX fence Fig 10 Center the backing board on the fence length and tighten the fasteners The alternate holes on the backing board allow you to flip the board over when needed for a fresh backing surface Using the 2 8 x 1 pan he...

Page 7: ... Bring the IBOX to your table Loosen and slide the blade guard to the side for a clear view Also loosen and slide both stock ledges away from the center of fence to provide clearance during setup Double check to make sure that the pin plates are together If you need to adjust the pin plates loosen the positioning lock knob located on top of the fence and turn the red knob counterclockwise to bring...

Page 8: ...ble you may need to rotate the cutter by hand to confirm that the cutter just touches the pin plates This kiss calibration step zeros the IBOX to the edge of your cutter Subsequent adjustments to the pin plates made by turning the red knob will not alter this initial calibration 2 Adjust Pin Plates for Test Cut With the positioning lock knob still loose rotate the red knob clockwise to move the ne...

Page 9: ...es to Fit Test Cut Loosen the Phillips screws that secure the pin plate side stock ledge and either one of the thumbnuts that holds the blade guard Loosen the positioning lock knob located on the top of the IBOX fence and rotate the red knob to open or close the pin plates until the test cut just made fits over the fingers on the pin plates Both pins should be inside the test cut You should feel a...

Page 10: ...arked edge up to contact the pin plates Clamp the board with your wooden handscrew and make the cut Fig 22 2 Step Cut and Repeat Front Back Parts Slide the IBOX clear of the cutter then unclamp and move the board to set the groove previously cut over the pin plates Re clamp and cut again Fig 23 Repeat this step until you have completed the cuts across the width of your board Repeat steps 1 2 on th...

Page 11: ...f the cutter then unclamp and move the board to set the groove previously cut over the pin plates Re clamp and cut again Fig 27 Repeat this step until you have completed the cuts across the width of your board Repeat steps 3 6 on the remaining ends of the final 2 boards 7 Assemble Assemble the box with all marked edges facing up Fig 28 Fig 25 First Cut Side Parts Fig 27 Step Cut and Repeat Side Pa...

Page 12: ...s not fully seated you ll easily see it in comparing the mark to the top of the fence Fig 31 CENTERED JOINERY In theory just multiplying your cut width by an odd number should give you a board width that when cut will have an equal pin width on the outside edges of 2 of your boards In practice it doesn t work out quite that way You need exact measurements of both the pin and groove width and a deg...

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