00:00 – Intro and video goals
00:48 – WHAT’s a Mostly Printed LowRider 3 CNC for? Answer: Subtractive Manufacturing
01:30 – WHY build a LowRider? Answer: Step up from my baby CNC, right balance of quality and price for me.
02:20 – MPCNC is good, but I want a LowRider 3
02:43 – Pick your own size, or sizes even…
04:51 – Using Controller+TFT case by V1E Community member Doug Joseph
04:55 – Hassle free kits and parts available from https://shop.v1engineering.com, Controllers come with software preloaded.
05:48 – Parts printed, milled and delivered
06:24 – Unboxing V1E LowRider 3 Kit. Woot!
06:28 – Assemble LR3 Core
06:36 – Ream holes, reverse drill helps screws slip in tight
06:54 – Assemble X Drive
07:12 – Mount X Drive
07:15 – Stare at your Core for a bit, it’s so pretty
07:16 – Mount X endstop to Core
07:25 – Assemble Y Steppers
07:51 – Soldered Z endstops, too tight for spade connectors
07:56 – XZ Lead screw stubs. Reverse drill with 13/32 bit
08:02 – Assemble XZ plates
08:24 – Marry XZ to YZ plates
08:34 – Marry XZ to YZ plate rails
08:45 – Mount Z drive to YZ plate
08:55 – Wiring Z endstops, solder
09:03 – Wiring Z endstops, test
09:08 – Assemble Z endstops
09:16 – Mount Z endstops
09:18 – Adjust XZ plate, was binding
09:26 – Mount Z endstops
09:31 – Mount Y Drive
09:42 – Wiring Y endstop, solder
09:50 – Mount Y endstop, wiring routing
09:55 – Wiring routing
09:57 – Mount Y endstop, wiring routing
10:00 – Assemble wheels
10:05 – Mount wheels to YZ plate
10:10 – Assemble and mount Rail Rollers
10:19 – Assemble Beam, strut order… 1) Front, 2) Bottom, 3) Back
10:21 – mount braces
10:25 – LR3 Calculator, pipe and table size
10:28 – Front, loosely insert screws
10:36 – Bottom, loosely insert screws
10:41 – Rear, loosely insert screws
10:51 – Front, check straight, snug clamps
10:58 – Mount core
11:00 – Mount YZ plate
11:10 – Assemble X Belt
11:10 – Insert X Belt
11:12 – Mount X Belt holder
11:15 – Check X Belt end not blocking Z axis motion
11:17 – Mount X belt tensioner
11:28 – Fix for if X Belt stub is too loose
11:31 – Attach PETG tool mount
11:38 – Attach Vac hose mount
11:40 – Wiring SKR Pro 1.2 Controller
11:40 – Bend/clip diag driver pin
11:45 – Change jumpers
11:48 – Mount drivers
11:54 – Remove JST shields
12:03 – TMC2209 driver pinouts
12:05 – Wiring 〉 Route and Sleeve (1/2″ wrap)
12:05 – Left YZ sleeve
12:15 – Routing right YZ
12:24 – Extend right YZ, use solder butt connectors
12:54 – Right YZ, 1/2″ sleeve wrap
12:59 – NOT using cable gland, case holes too small
13:05 – Extend wires for X axis
13:16 – Wire X axis, test endstop
13:23 – Wire X axis routing and 1/2″ sleeve
13:46 – X axis, verify range of motion. Router cord blockage
14:06 – Wire X axis, cable management
14:20 – Case wiring, routing power
14:42 – Controller wiring, driver endstops
15:03 – Wiring controller, fans and TFT
15:37 – Build minimum viable Sled. Use LR3 Sled edition to finish LR3!
17:12 – Motion test, FAIL – Y stepper wiring reversed
17:21 – Motion test, SUCCESS – Homed and move as expected
17:28 – Crown Test, SUCCESS, kinda…
17:47 – Struts 〉 Initial squaring
17:48 – Attach pen to Core
17:50 – Generate test gcode
17:51 – Connect via Repetier
17:53 – FAIL, relative positioning was set 🙁
17:54 – Typed gcode for corner moves
18:02 – Measure squareness
18:05 – Config homing offsets M666
18:07 – Z Leveling
18:19 – Struts 〉 Design
Calc size, download files
Use OpenScad & Estlcam to prepare gcode
18:31 – Struts 〉 First cut ~56mins
18:31 – Fasten spoilboard and stock
18:40 – Cut first strut
18:47 – Post cleanup, too long
18:54 – Struts 〉 Second cut ~42mins
19:02 – Post cleanup, Remove/trim debris, sand, vac
19:09 – Paint it black
19:16 – Surfacing Spoilboard
19:16 – Create toolpath
19:17 – Cut ~0.5mm in ~61mins
19:25 – Struts 〉 Make custom front strut
19:25 – OpenScad 〉 Customize, export .SVG
19:26 – Estlcam 〉 Create and Preview toolpaths
19:28 – Repetier 〉 Load .gcode
19:28 – Carve and cut 42mins
19:35 – Struts 〉 Paint 〉 2nd coat, protect via Shellac/Polycrylic
19:37 – Final Assembly – Mount struts to beam
19:40 – Temporarily disassemble beam
19:57 – Mount bottom strut
20:02 – Mount front strut
20:07 – Mount YZ plates and rear strut
20:17 – Wrap up
Future upgrades – Table, Vac, drag chain, wifi and more…
Check out https://forum.v1engineering.com
Thank you! Want to see more?
V1E Docs @https://docs.v1engineering.com/lowrider
V1E Models @ https://www.printables.com/model/204709-lowrider-3-cnc
@Design8Studio Doug Joseph’s case for Controller + TFT @ https://www.printables.com/model/229885-lowrider-3-cnc-control-box-case-for-btt-skr-pro-12
V1E Gallery @ https://forum.v1engineering.com/tags/c/things-you-have-made/12/gallery-lowrider-cnc
Music: Another Future by Internal System Error, https://soundcloud.com/ise
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