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STD MFMK2 Interface

MFMK2 Interface

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License

CC BY-NC-SA 4.0

License: CC BY-NC-SA 4.0

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Update time: 2024-09-29 00:35:14
Creation time: 2024-05-13 08:29:07
Description

Description

Interface board for Markforged Mark Two printer standard wiring harness(es) - breaks out to generic 3d printer control board connectors. This is a general purpose board with the following features (with some additional features through additional wires that can be populated in some of the unpopulated pins of the gantry wiring harness):

 

  • 5 Stepper motors (X,Y,Z,E,C)
    • X, Y, E(Plastic Extruder) and C(Fiber Extruder) on the Gantry. The connections for the E stepper (Plastic Extruder) are also duplicated on the hotend cable so as to allow for a build with a direct drive extruder instead of the Bowden setup.
    • Note: This direct drive deployment scenario necessitates correct jumper soldering on the companion hotend portal board as the extruder connections are overloaded on some standard Mark Two hotend pins. Documentation will be updated for this and in the meanwhile, you may get in touch with me at nishant.vats@gmail.com for details/help setting this up.
  • X, Y, Z limits.
  • E limit + Encoder input from gantry to use an advanced filament runout sensor.
  • Additional wire lines for a NeoPixel String to the gantry, and a 12V/24V selectable "always on" Gantry LED Strip. The Mark Two comes with a 12V LED strip.
  • Heated Bed capabilities - this too, requires careful jumper soldering in order to enable the feature and is overloaded with the second heater (fiber nozzle) on the standard Markforged machine.
  • The board can also be used as a simple bridge between two of the proprietary FPC that Markforged uses for its hotend. (This will allow for standard length FPCs to be used instead of the harder to procure length needed for the gantry).
Design Drawing

Design Drawing

schematic diagram
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PCB
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ID Name Designator Footprint Quantity Contributor Convert to PCB
1 S2B-PH-K-S(LF)(SN) AUX(FAN) CONN-TH_S2B-PH-K-S-LF-SN 1 LCSC S2B-PH-K-S(LF)(SN)
2 B4B-XH-A-BK(LF)(SN) C-MOT,E-MOT CONN-TH_B4B-XH-A-BK-LF-SN 2 LCSC B4B-XH-A-BK(LF)(SN)
3 FI-RE41S-HF-R1500 CN1,CN2 CONN-SMD_41P-P0.50_A0505WR-S-41P 2 lcsc FI-RE41S-HF-R1500
4 S3B-PH-K-S-2.8(LF)(SN) CN3 CONN-TH_3P-P2.00_S3B-PH-K-S-2.8 1 LCSC S3B-PH-K-S-2.8(LF)(SN)
5 KH-A2015-2X05AW CN4 CONN-TH_10P-P2.00_KH-A2015-2X05AW 1 lcsc KH-A2015-2X05AW
6 SPH-2*12AW CN5 CONN-TH_SPH-2X12AW 1 LCSC SPH-2*12AW
7 B6B-PH-K-S-GW CN6 CONN-TH_B6B-PH-K-S-GW 1 LCSC B6B-PH-K-S-GW
8 22057035 E-STOP,X-STOP,Y-STOP,Z-STOP CONN-TH_3P-P2.50_22057035 4 LCSC 22057035
9 TBLH10-350-04BK HB-H0 TBLH10-350-04BK 1 shamnadkuniyil TBLH10-350-04BK
10 JUMPER-TC-2 J1,J2 JUMPER-1206 2 Verolim JUMPER-TC-2
11 S6B-PH-K-S-(LF)(SN) LIGHTS-FANS CONN-TH_6P-P2.00_S6B-PH-K-S-LF-SN 1 LCSC S6B-PH-K-S-(LF)(SN)
12 BULLET_CONNM3 MP1,MP3 9774030360R 2 Dieter Hamer BULLET_CONNM3
13 649004227222 PWR 649004227222 1 tbisschops 649004227222
14 532540470 THERM-SERVO CONN-TH_532540470 1 LCSC 532540470
15 VR10S05 U1-5V,U2-12V PWRM-TH_L11.6-W8.0_VR10S05 2 lcsc VR10S05
16 Jumpers 4x3 2.54 V-CONFIG JUMPERS 4X3 2.54 1 GonzoG Jumpers 4x3 2.54
17 B4B-XH-A-R(LF)(SN) X-MOT CONN-TH_4P-P2.50_JST_B4B-XH-A-M 1 lcsc B4B-XH-A-R(LF)(SN)
18 B4B-XH-A-M(LF)(SN) Y-MOT CONN-TH_XH2.50-4P 1 lcsc B4B-XH-A-M(LF)(SN)
19 B4B-XH-A-E(LF)(SN) Z-MOT CONN-TH_B4B-XH-A-BK-LF-SN 1 LCSC B4B-XH-A-E(LF)(SN)
20 RP2040 U1 LQFN-56_L7.0-W7.0-P0.4-EP 1 LCSC RP2040
21 TMC2209-LA-T U2,U3,U4,U5 QFN-28_L5.0-W5.0-P0.50-BL-EP 4 LCSC TMC2209-LA-T

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