OpenEDM-wire tensioner

OpenEDM·OpenEDM-wire-tensioner·Hardware/edm_wire_puller.kicad_pcb

OpenEDM-wire tensioner PCB layout, top view — open source board by OpenEDM

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About the OpenEDM-wire tensioner PCB

OpenEDM-wire tensioner is an open source PCB design by OpenEDM, published on GitHub. It is a 2-layer board measuring 60 × 77.4 mm, with 24 components from 15 distinct parts.

Other key parts include the NUCLEO-L412KB, HX711 and TMC2209. By type, the board carries 9 capacitors, 6 connectors, 5 resistors and 4 ICs.

It belongs with the robotics & motion designs in this gallery.

From the project

[OpenEDM] Wire Tensioner Project

This repository contains the design of the Wire Tensioning Mechanism, in particular, hardware design and firmware. Note that this design is a work in progress, it is not complete, and may contain errors.

Currently, the electronic hardware is assembled from heavily customized standard modules, as shown in the image below. An integrated hardware design is available in the Hardware directory, but it is still in the early stages of development.

OpenEDM-wire tensioner, from the project README — From the project README

Main components on the OpenEDM-wire tensioner

NUCLEO-L412KB HX711 TMC2209

OpenEDM-wire tensioner bill of materials (BOM)

24 components, 15 distinct parts.

Qty	Part	Footprint	Refs
1	NUCLEO-L412KB	MODULE_NUCLEO-L412KB	U1
1	HX711	SOP-16_3.9x9.9mm_P1.27mm	U2
2	TMC2209	MODULE_TMC2209	U3, U4
2	Conn_02x02_Top_Bottom	PinHeader_2x02_P2.54mm_Vertical	J1, J3
2	Conn_01x04	JST_XH_B4B-XH-A_1x04_P2.50mm_Vertical	J2, J4
1	Conn_01x02	JST_XH_S2B-XH-A_1x02_P2.50mm_Horizontal	J5
1	Conn_01x05	JST_XH_B5B-XH-A_1x05_P2.50mm_Vertical	J6
4	CL21B104KBCNNNC 0.1u	C_0805_2012Metric_Pad1.18x1.45mm_HandSolder	C1, C2, C4, C6
1	CL21B104KBCNNNC 6.8u	C_0805_2012Metric_Pad1.18x1.45mm_HandSolder	C3
2	CL21B104KBCNNNC 10u	C_0805_2012Metric_Pad1.18x1.45mm_HandSolder	C5, C7
2	CL21B104KBCNNNC 1u	C_0805_2012Metric_Pad1.18x1.45mm_HandSolder	C8, C9
1	RC0805FR-0710KL 20k	R_0805_2012Metric_Pad1.20x1.40mm_HandSolder	R2
1	RC0805FR-0710KL 8.2k	R_0805_2012Metric_Pad1.20x1.40mm_HandSolder	R3
2	RC0805FR-0710KL 100	R_0805_2012Metric_Pad1.20x1.40mm_HandSolder	R4, R5
1	RC0805FR-0710KL 10k	R_0805_2012Metric_Pad1.20x1.40mm_HandSolder	R6

OpenEDM-wire tensioner design files

The KiCad project lives in the OpenEDM/OpenEDM-wire-tensioner repository on GitHub; these links point at the commit this page was built from.

LayoutHardware/edm_wire_puller.kicad_pcb
SchematicHardware/edm_wire_puller.kicad_sch

OpenEDM-wire tensioner: common questions

How big is the OpenEDM-wire tensioner PCB?

The OpenEDM-wire tensioner measures 60 × 77.4 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the OpenEDM-wire tensioner?

24 components, from 15 distinct parts. The full bill of materials is listed on this page.

Where can I download the OpenEDM-wire tensioner design files?

From the OpenEDM/OpenEDM-wire-tensioner repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the OpenEDM-wire tensioner design in my own project?

The repository has no license, so all rights stay with OpenEDM. Use it as a reference, and ask the author before reusing the design.

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