Railcore II 300ZL/ZLT Public Changelog

	A	B	C	D
1	Note that these changes apply specifically to Filastruder kits/parts, and may or may not apply to kits/parts from other providers
2
3	Description	Pros	Cons	Status
4	Add toothed washer for grounding connection	Better grounding	None	Done, started shipping to customers October 2019
5	Add nut driver to all kits	Happier customers	Costs money	Done, started shipping to customers October 2019
6	Have LDO Motors customize the stepper motor wiring instead of PR3D, saves $35	Saves time and money	Z-axis cables will have some excess length on ZL	Done, started shipping to customers October 2019
7	Add 2-3 cable mounts to the kit, to support the excess wire length from LDO Motors doing the stepper motor wiring	Tidies up wiring	Minor cost	Done, started shipping to customers October 2019
8	Add holes in bottom panel of all kits to support frame stiffening mod as seen here: https://www.thingiverse.com/thing:3577760	Allows frame stiffener mod to be installed without customer drilling	Minimal additional machining time	Done, started shipping to customers October 2019
9	Alternate PSU option - Currently, 80w is needed (40w heater + 6x5w steppers + 10w Duet/PanelDue/Fans) - LRS-200-24, 200w PSU	Saves $8, is passive so less fan noise, can support 4 hotends, retains same mounting points as existing PSU	None	Done, started shipping to customers December 2019
10	Change from https://www.monoprice.com/product?p_id=5285 to https://www.arrow.com/en/products/17502/volex	Saves $2.50	None	Done, started shipping to customers January 2020
11	Include parts for bottom frame stiffening mod (10x 10mm Cap Head M3 Screw, 10xM3 washer, 10 nylock M3 nut, 2x 425mm 1515 Misumi extrusion)	Stiffer printer	Small cost increase	Done, started shipping to customers March 2020
12	Change to multi jet fusion James Tongue fan duct, remove kit fan duct	Considerably better part cooling	Small cost increase	Done, started shipping to customers March 2020
13	Add Duet3 and Raspberry Pi mounting holes to right side panel	Allows for Duet3 usage	Small cost increase	Done, started shipping to customers March 2020
14	LDO rails - added as an option in place of Zyltech	All LDO rails have passed Steve's test so far - better quality than Zyltech	None	Done, started shipping to customers March 2020
15	Add grommet for the right side panel pass-through hole into e-box	Better cable management	None	Done in kits shipped May 12th 2020 and later
16	Add lockwashers for linear rail mounting	Prevents M3x8 BHCS from bottoming out against extrusion profile	Minor cost	Done in kits shipped May 12th 2020 and later
17	Change nozzle in the v6 Gold option to be a NozzleX nozzle	Better PLA printing	Minor cost	Done in kits shipped June 2020 and later
18	Change to hooded/insulated mains terminals	Safer	Minor cost	Done in kits shipped June 2020 and later
19	Added small vial of BN paste to all Railcore kits containing Slice Engineering hotends	Fewer sad pandas	Minor cost	Done in kits shipped June 10 2020 and later
20	Side panels textured on both sides	Nicer appearance	Minor cost	Done in parts shipping September 15 2020 and later
21	Side panels offered in black and white	More aesthetic options	None	Done in parts shipping September 15 2020 and later
22	Railcore II 300ZL/ZLT logo moved to top of front panel	Doesn't collect debris in the bottom	None	Done in parts shipping September 15 2020 and later
23	Wiring harness done by a professional ISO9001 facility, and are RoHS/REACH compliant. Wiring is 300v rated, and UL Recognized.	Safer, better labels (heatshrink labels)	None	Done in parts shipping September 15 2020 and later
24	BLTouch cable extended by 500mm to 1500mm	Easier wire routing	None	Done in parts shipping September 15 2020 and later
25	Changing to a dual fused, filtered power inlet. Previous models only had the “hot” fused, which can result in an unfused hot internationally or if building wiring is incorrect	Safer	None	Done in parts shipping September 15 2020 and later
26	Changed fan to Delta BFB0524HH	Higher quality fan	Minor cost	Done in parts shipping September 15 2020 and later
27	Adding heatshrink to microswitch soldered connections	Safer	None	Done in parts shipping September 15 2020 and later
28	Change grounding scheme to 5x Wago instead of tripling ring terminals	Safer	None	Done in parts shipping September 15 2020 and later
29	Bed heaters include 150C thermal cutoff	Safer	Limited to 150C	Done in parts shipping September 15 2020 and later
30	Change kit to use SHCS, high grade steel wherever possible	Stronger fasteners, less prone to stripping	None	Done in parts shipping September 15 2020 and later
31	Change SSR mounting to use nuts instead of just threading into HDPE	Safer	None	Done in parts shipping September 15 2020 and later
32	Lengthened bed mounting screws to 25mm	Easier assembly, safer	None	Done in parts shipping September 15 2020 and later
33	Offering E3Dv6 Ultimate Edition	Titanium heatbreak, NozzleX	None	Done in parts shipping September 15 2020 and later
34	Change to T8x4 LDO leadscrews (from T8x2 Zyltech)	Better print quality	Minor cost	Done in parts shipping September 15 2020 and later
35	Change to 0.9deg stepper motors for Z-axis	Better print quality	None	Done in parts shipping September 15 2020 and later
36	Add M3x10 thumbscrews for attaching e-box cover	Less hassle	Minor cost	Done in kits shipping October 20 2020 and later
37	Changed from Misumi frame extrusions to LDO	LDO can do tapping and anodization	None	Done in kits shipping May 2021 and later
38	Changed from Misumi SELB13-395 linear rails to SSELB13-395	Stainless steel instead of carbon steel. SELB13-395 no longer produced.	Cost (~$20/rail)	Done in kits shipping May 2021 and later
39	Changed power inlet to Schaffner FN282-10-06	Better quality	Cost (~$10/ea)	Done in kits shipping January 2022 and later
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100