Milling Experiences: Difference between revisions

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(→‎Materials and Tools: added plunge rate to PC)
(sections for each material - removed "material" column from table, thicknesses irrelevant anyway)
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== Materials and Tools ==
Here we collect our experiences with CNC [[milling]] or [[routing]] different materials. Please add more information if you try something new (success or not)!


{| class="wikitable"
== [[Wood]] & [[Engineered Woods]] ==
! material
=== [[MDF]] ===
{| class="wikitable sortable"
! operation
! operation
! mill
! mill
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! comments
! comments
|-
|-
| black [[MDF]], 19mm (Bauhaus)
| 2D contour
| 2D contour
| 8 mm flat endmill, Z=2 (Sorotec UNI)
| 8 mm flat endmill, Z=2 (Sorotec UNI)
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|  
|  
| excellent
| excellent
|
| black (Bauhaus)
* two roughing and one finishing pass
* two roughing and one finishing pass
* tabs to hold down work piece
* tabs to hold down work piece
|-
|-
| MDF, 19mm (Bauhaus)
| 2D contour
| 2D contour
| 8 mm flat endmill, Z=3 (cheap "VHM")
| 8 mm flat endmill, Z=3 (cheap "VHM")
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| 2 mm
| 2 mm
|  
|  
| terrible
| <span style="color:red">terrible</span>
|
| Bauhaus
* loss of steps or drift along x-axis
* loss of steps or drift along x-axis
* overheated mill, black, dull
* overheated mill, black, dull
|-
|-
| black MDF, 19mm (Valchromat)
| pocket clearing
| pocket clearing
| 8 mm flat endmill, Z=2 (Sorotec UNI)
| 8 mm flat endmill, Z=2 (Sorotec UNI)
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|  
|  
| excellent
| excellent
|
| black (Valchromat)
|-
|-
| black MDF, 19mm (Valchromat)
| 2D chamfer
| 2D chamfer
| 8 mm chamfer mill, Z=4
| 8 mm chamfer mill, Z=4
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|  
|  
| excellent
| excellent
|
| black (Valchromat)
|-
|-
| black MDF, 19mm (Bauhaus)
| pocket operation
| pocket operation
| 1 mm flat endmill
| 1 mm flat endmill
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|  
|  
| excellent
| excellent
|  
| black (Bauhaus)
|-
| drilling holes, pocket
| 1/4 inch [https://octopart.com/1620-2500.500-avx+%2F+kyocera-84247055 Kyocera 1620 - 2500.500] flat endmill, 2 flute
| 1 ([https://discuss.inventables.com/t/spindel-speed-on-a-dewalt-611/37790/3 16000 RPM])
| 1000 mm/min
| 2.5mm
| 333 mm/min
|
|}
 
== [[Plastics]] ==
=== [[Acrylic Glass]] ===
{| class="wikitable sortable"
! operation
! mill
! spindle speed
! feedrate
! pass depth
! plunge rate
! results
! comments
|-
|-
| acrylic glass, 10mm
| pocket operation
| pocket operation
| [https://www.ebay.de/itm/3mm-Vollhartmetall-Fräser-Schaftfräser-Kunststoff-Holz-VHM-Schaft-3x50mm-TiAlN/232529354561?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2057872.m2749.l2649 3 mm flat endmill], 4 flute
| [https://www.ebay.de/itm/3mm-Vollhartmetall-Fräser-Schaftfräser-Kunststoff-Holz-VHM-Schaft-3x50mm-TiAlN/232529354561?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2057872.m2749.l2649 3 mm flat endmill], 4 flute
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|
|
* bottom a little rough
* bottom a little rough
|}
== Polycarbonate ==
{| class="wikitable sortable"
! operation
! mill
! spindle speed
! feedrate
! pass depth
! plunge rate
! results
! comments
|-
|-
| [[MDF]], 5mm (Bauhaus)
| drilling holes, pocket
| 1/4 inch [https://octopart.com/1620-2500.500-avx+%2F+kyocera-84247055 Kyocera 1620 - 2500.500] flat endmill, 2 flute
| 1 ([https://discuss.inventables.com/t/spindel-speed-on-a-dewalt-611/37790/3 16000 RPM])
| 1000 mm/min
| 2.5mm
| 333 mm/min
|
|-
| Polycarbonate, 10mm
| pocket operation & contur
| pocket operation & contur
| [https://www.ebay.de/itm/3mm-Vollhartmetall-Fräser-Schaftfräser-Kunststoff-Holz-VHM-Schaft-3x50mm-TiAlN/232529354561?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2057872.m2749.l2649 3 mm flat endmill], 4 flute
| [https://www.ebay.de/itm/3mm-Vollhartmetall-Fräser-Schaftfräser-Kunststoff-Holz-VHM-Schaft-3x50mm-TiAlN/232529354561?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2057872.m2749.l2649 3 mm flat endmill], 4 flute
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| 660 mm/min
| 660 mm/min
| quite good
| quite good
|
|
|
|}
|}

Revision as of 16:20, 25 November 2018

Here we collect our experiences with CNC milling or routing different materials. Please add more information if you try something new (success or not)!

Wood & Engineered Woods

MDF

operation mill spindle speed feedrate pass depth plunge rate results comments
2D contour 8 mm flat endmill, Z=2 (Sorotec UNI) 1 2000 mm/min 3 mm excellent black (Bauhaus)
  • two roughing and one finishing pass
  • tabs to hold down work piece
2D contour 8 mm flat endmill, Z=3 (cheap "VHM") 3-4 1000 mm/min 2 mm terrible Bauhaus
  • loss of steps or drift along x-axis
  • overheated mill, black, dull
pocket clearing 8 mm flat endmill, Z=2 (Sorotec UNI) 1 2000 mm/min 3 mm excellent black (Valchromat)
2D chamfer 8 mm chamfer mill, Z=4 1 2000 mm/min excellent black (Valchromat)
pocket operation 1 mm flat endmill 1 400 mm/min 2 mm excellent black (Bauhaus)
drilling holes, pocket 1/4 inch Kyocera 1620 - 2500.500 flat endmill, 2 flute 1 (16000 RPM) 1000 mm/min 2.5mm 333 mm/min

Plastics

Acrylic Glass

operation mill spindle speed feedrate pass depth plunge rate results comments
pocket operation 3 mm flat endmill, 4 flute 1.5 660 mm/min 0.4 mm quite good
  • bottom a little rough

Polycarbonate

operation mill spindle speed feedrate pass depth plunge rate results comments
pocket operation & contur 3 mm flat endmill, 4 flute 1.5 900 mm/min 0.8 mm 660 mm/min quite good