SK-Go3 BOM list

	B	C	D	E	F	G	H
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2	SK-Go3 BOM list
3	The default Z is 350mm. Equally extend those components with "Height related" noted at the last column and you'll get higher build volume.
4			Requirement	Quantaty	Must for initial print	Alternative
5	Frame	2040 extrusion	485mm, tap two M6x20mm threads at one end	4	v		Height related
6		2020 extrusion	470mm (2 for rear X, 1 for bottom Z)	3	v
7		2020 extrusion	440mm, with negative error < 1mm. Must be equal or a little shorter. (Y)	4	v
8		2020 extrusion	430mm (2 for front X, 2 for vertical Z)	4	v
9		2020 corner bracket		6	v
10		2040 extrusion foot pad		4	v
11		NEMA17 stepper mount		1	v
12	Motion	X rail	MGN9 340mm with MGN9H long linear block, preload Z0, hole-to-end distance 15mm at both ends of the rail	1	v	max rail length 370mm
13		Y rail	MGN9 360mm with MGN9C short linear block, preload Z0	2	v	350mm is OK too.
14		Z rail	MGN12 400mm with short linear block (was named as MGN12C), preload Z0	2	v		Height related
15		Gates 2GT belt	6mm-wide 2GT belt, 4 meter total. 2 meter for each of XY stepper.	1	v
16		Closed-loop belt	6mm-wide 2GT closed-loop 1000mm	1	v
17		Pulley	2GT 16T pulley, 6mm-belt, 5mm-bore	2	v
18		Pulley	2GT 20T pulley, 6mm-belt, 5mm-bore	1	v
19		Pulley	2GT 20T pulley, 6mm-belt, 8mm-bore	2	v
20		Idler with teeth	2GT 20T idler, WITH teeth, 6mm-belt, 5mm-bore	2	v
21		Idler without teeth	2GT 20T idler, W/O teeth, 6mm-belt, 5mm-bore	5	v
22		Bearing F604ZZ		8	v
23		T8 lead screw	400mm, 8mm-lead, 4-start. Can be 4mm or 2mm.	2	v		Height related
24		Lead screw nut	Aligned with lead screw spec above	2	v
25		Bearing block KFL08		2	v
26	Electronics	BIGTREETECH SKR v1.3		1	v	Your favorite board
27		TMC2209 driver	With TMC Sensorless Homing capability	4	v	If you don't want sensorless homing, you need 2 more optical endstops and printed mounts for XY.
28		Lerdge optical endstop		1	v	1 for Z. Add another 2 and print endstop mounts if you don't like sensorless homing in XY axes.
29		SSR DC-AC	At least 10 amp AC	1	v
30		4020 blower	24V, for part cooling	1	v	Use 5015 blowers and printed fan ducts designed by SK-Go owners. Check Thingivers SK-Go group.
31		4010 fan	24V, for driver cooling	1	v
32		Thermal fuse 130℃		1	v
33		NEMA17 stepper	NEMA17 38mm or 40mm. Two 0.9° or 1.8° steppers for XY, one 1.8° stepper for Z.	3	v
34		NEMA17 stepper pancake	NEMA17 23mm for extruder	1	v
35		Stepper cable	Four cables of 1 meter length. XY can be 50cm.	4	v
36		Power socket with switch		1	v
37		Power cord	1.5 meter length. At least 0.75 mm^2 internal wire, with socket type of your country.	1	v
38		Meanwell PSU 200W 24V	200 watt, 24V output	1	v
39		FS-101 fuse box and fuse	6A for 110V. 3A for 220V.	1	v
40		Display panel 12864		1		TFT35, others, or no need if you use OctoPrint or Duet.
41		JTAG cable	80cm length. A must for 12864 display	2
42		Filament runout sensor		1
43	Extruder	BMG Extruder		1	v	Your favorite extruder. Might need an adapter to the extruder carriage or design one by yourself.
44	PEI sheet	Spring steel PEI sheet	310 x 310 mm^2	1		With 328x328 all 9 screws in the 9-pt bed will be covered.
45	Hardwares	Hardwares	Check the Hardwares sheet		v
46	Accessory	Nylon sleeve	80cm. Extruder & bed heater cable management.	1~2
47		PTFE tube	80cm.	1
48		Cable tie		20
49	Self-printed parts	Part cooling fan duct	Download STL from SecKit GitHub	1	v
50		Z endstop mount		1	v
51		Z endstop trigger stick		1	v
52		Assembly guide		1
53		Cable pillar		1
54		Driver cooling fan mount		1
55		Part-cooling fan duct		1
56		X-min sensorless homing bumper		1
57		12864 display cover		1
58		Filament sensor holder		1
59		Spool pillar		1
60	Released drawings	Extruder plate and carriage	Download STEP files in SecKit GitHub
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62	Equally extend those components with "Height related" marked at the last column and you'll get higher build volume.
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