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CNC_V10 "Long Tall Sally" 3 motors T8-2

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3D model description

Here I go, again...
This is a little bit improved V9 version, but it implied several remixes and changes, so I had to publish it as new thing.

It's my latest version of Ooznest OX CNC Machine, well designed, very strong and well documented (I advice to go there and here and read all carefully).

You can configurate it as per your need: motor type, blower, vacuum, laser and so on.

Remixes:
- X axis moved on up to avoid collisions, dust and so on
- Z operative range now is 90mm
- improved Y axis carriage
- Arduino Mega + RAMPS are now used, due to lack on spare pins on Uno + CNC shield
- added spindle motor variable speed
- added CW-CCW capability (optional, see below) to perform automatic tool changing
- a lightweight Z carriage allowing a 90mm Z height; who is interested to can find it here

Several options are available:
- Cyclone dust collector, see uploaded CYCLONE.ZIP
- a little blower, see uploaded BLOWER.ZIP
- a very simple modular ATC
- an 8-10" tablet support, see here
- support for Makita mill Chinese clone, see MAKITA_SUPPORT.ZIP

Included .STEP of all items, see STEP.ZIP.

Instructions
Y Axis
(see picture above)
- at exactly the center of 2060x454mm cut away an 25x20mm (HxV) portion of material
- at exactly the center of 2060x437mm drill an 10mm hole

Feet
Glue circular shape 10mm thick rubber pads into feet bottom.

Software
I'd advise to use Gnea GRBL for compatibility with almost all CAM software around Read it carefully
- decompress GRBL-MEGA_5X_1L.ZIP somewhere and copy the resulting grbl_Mega directory into your Arduino IDE libraries directory
- run Arduino IDE and set board tyo Arduino Mega
- load \libraries\grbl_Uno\examples\grblUpload
- flash to board

To manage my CNC I use the friendly UniversalGcodeSender (UGS) .
I uploaded my own GRBL version, ready to be used; you can modify everything there

BOM
2020:
- n. 2 x 200mm

2040:
- n. 1 x 454mm
- n. 2 x 500mm
- n. 1 x 710mm

2060:
- n. 1 x 435mm
- n. 2 x 454mm
- n. 2 x 500mm

2080:
- n. 2 x 750mm

wheels
- n. 22 Delrin wheels 24mm
- n. 30 spacers M5x6mm
- n. 10 eccentric spacers M5
- washers M5x1mm

lead screws
- n. 1 T8 lead screw 710mm
- n. 1 T8 lead screw 465mm
- n. 1 T8 lead screw 220mm
- n. 3 T8 lead screw nuts
- n. 1 608ZZ bearing
- n. 1 688RS bearing
- n. 2 625-2RS bearing
- n. 2 608ZZ bearing
- n. 2 8mm lock collar
- n. 3 Openbuilds anti-backlash nuts

other
- n. 1 Arduino Mega + RAMPS 1.4
- n. 1 Dual H-Brifge 40A
- n. 1 power supply 12/24VDC 30A
- n. 3 Nema23
- n. 1 spindle motor OD 52mm, 200W or more, 12-24VDC
- n. 1 Chuck ER11 8mm
- n. 1 spindle collets set 13 pcs
- n. 1 Neato fan (refurbished) Aliexpress, optional (see BCB1012UH.PDF included)
- n. 1 5VDC DPDT relay module for reversing CW-CCW (optional)
- n. 5 40mm fans bearing
- n. 1 radial blower 50mm (optional)
- n. 2 Transmission Chains 20 x 15mm or bigger
- n. 1 wood workplane 706x430x20mm
- n. 3 spacers M5x35mm
- n. 6 spacers M5x23mm
- n. 1 coupler 6.35mm->8mm
- n. 2 flexible coupler 6.35mm->8mm
- n. 3 Hall effect sensors for endstops (optional)
- n. 3 8x3mm round Neodimium magnets, if used Hall sensors
- screws flat head 3mm, 4mm, 5mm, nuts, as needed
- lithium grease
- silicone oil or sewing machine oil

Credits
Ooznest, of course...
NitroXpress for its nema23 cooler cover
mgx for its Scad customizable cyclone separator

3D printing settings

Layer 0.20mm
Infill 35/50%

I'd suggest to print X and Y plates with:
. nozzle 1.00mm (8hrs vs 20hrs)
. layer heigth 0.8000 mm
. infill 35%
. infill type Full Honeycomb
. top solid layers 5
. bottom solid layers 5
. outline/perimeters shells 5
. speed: 1500 mm/min (25 mm/sec)
. bed 60°
. extruder 240°

all other items:
. nozzle 0.4mm
. layer heigth 0.3000 mm
. infill 50%
. infill type Full Honeycomb
. top solid layers 10
. bottom solid layers 10
. outline/perimeters shells 10
. speed: I work at 3500 mm/min (58 mm/sec), it's up to you to decide...
. bed 60°
. extruder 205°

This way the items will be enough strong and you'll save much filament.

  • 3D file format: PDF, STL, and ZIP
  • Last update: 2021/02/09 at 07:12
  • Publication date: 2020/12/26 at 07:36

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Creator

Designs 73
Downloads 305
Sales US$32
Followers 12

Electronic technician in Italian AF, now 75, retired, with much time to spend...

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