Tooling Plate: Difference between revisions

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=Introduction=
=Introduction=


[[File: toolingplate.jpg|300px]]
[[File: toolingplate1.jpg|300px]]


=Design=
=Design=


T-slots
[[File: toolingplate.png|300px]]


Holes
Holes
Line 13: Line 13:
=Tools=
=Tools=


Mcmaster Roughing Endmill: 8817A52  
[[Roughing Endmill]] - 1/2" dia - [[Mcmaster Carr]] 8817A52  


Mcmaster T-slot Cutter: 8789A12
[[T-slot Cutter]] - 19.8mm dia - [[Mcmaster Carr]] 8789A11


=Materials=
=Materials=


Cast grey iron, 1" x 6" x 12" (8923K671 from mcmaster-carr)
[[Grey Iron]] -  1.25" x 4.25" x 12" - [[Speedymetals]]


25mm x 150mm x 300mm is about 9kg. Iron density = 7.87g/cm3
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From BoltDepot:
 
M12x1.75, 40mm lg Hex SS Bolt x2
 
M12x1.75 Hex SS Nut x2
 
12mm Washer x2


=Build=
=Build=


Use surface grinder.
Start with the grey iron plate.


Surface grind top and bottom faces to be parallel.
[[File: greyironplate.jpg|200px]]


----
----


Use roughing endmill on mill. (1/2" dia 4 flute)  
Use [[Roughing Endmill]] on [[Mill]] (1/2" dia 4 flute); even out the top and bottom surfaces; firmly lock the height for this entire step; 330rpm used.
 
[[File: roughplaningironplate.jpg|200px]]


Make 18/32" wide, 0.6" deep slots across the length of the iron bar
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Spacing from long edge: 25.4mm (1"), 76.2mm (3"), 127mm (5")
Use [[Surface Grinder]] to surface grind top and bottom faces to be parallel.
 
[[File: groundironplate.jpg|200px]]
[[File: parallelironplate.jpg|200px]]


----
----


Use T-slot cutter on mill. (31/32" Cutter Dia, 25/64" W Face)
Mount the iron plate on the [[Mill]]'s [[Vise]] with [[Parallel Bars]].
 
[[File: parallelbars.jpg|200px]]
[[File: ironplatemounted.jpg|200px]]
 
----
 
Use [[Edge Finder]] to zero the y axis at the edge of the iron plate
 
[[File: edgefinder.jpg|200px]]
[[File: zeroed.jpg|200px]]
 
----
 
Use [[Roughing Endmill]] on [[Mill]] (1/2" dia 4 flute); make slots; firmly lock the height for this entire step; 330rpm used.
 
[[File: roughingendmill.jpg|200px]]
[[File: roughedironplate.jpg|200px]]
 
----


Match or be a bit less than the depth of the slot; firmly lock the height for this entire step.  
Use T-slot cutter on mill. (25/32" Cutter Dia, 21/64" W Face)


Make the T-slot across the length of the iron bar.
Match or be a bit less than the depth of the slot; firmly lock the height for this entire step; 80rpm used.  


Spacing from long edge: same as last step
[[File: tslotcutter.jpg|200px]]
[[File: toolingplate1.jpg|200px]]


----
----


Drill? Tap?
Drill? Tap?

Latest revision as of 00:47, 1 December 2012

Introduction

Toolingplate1.jpg

Design

Toolingplate.png

Holes

Mounting interface to machine? Assuming screw-down.

Tools

Roughing Endmill - 1/2" dia - Mcmaster Carr 8817A52

T-slot Cutter - 19.8mm dia - Mcmaster Carr 8789A11

Materials

Grey Iron - 1.25" x 4.25" x 12" - Speedymetals


From BoltDepot:

M12x1.75, 40mm lg Hex SS Bolt x2

M12x1.75 Hex SS Nut x2

12mm Washer x2

Build

Start with the grey iron plate.

Greyironplate.jpg


Use Roughing Endmill on Mill (1/2" dia 4 flute); even out the top and bottom surfaces; firmly lock the height for this entire step; 330rpm used.

Roughplaningironplate.jpg


Use Surface Grinder to surface grind top and bottom faces to be parallel.

Groundironplate.jpg Parallelironplate.jpg


Mount the iron plate on the Mill's Vise with Parallel Bars.

Parallelbars.jpg Ironplatemounted.jpg


Use Edge Finder to zero the y axis at the edge of the iron plate

Edgefinder.jpg Zeroed.jpg


Use Roughing Endmill on Mill (1/2" dia 4 flute); make slots; firmly lock the height for this entire step; 330rpm used.

Roughingendmill.jpg Roughedironplate.jpg


Use T-slot cutter on mill. (25/32" Cutter Dia, 21/64" W Face)

Match or be a bit less than the depth of the slot; firmly lock the height for this entire step; 80rpm used.

Tslotcutter.jpg Toolingplate1.jpg


Drill? Tap?