component
Machine Pin Medium Short
Public Made by Adomby adom
Adom Medium Short machine pin (Ø1.2 body / Ø1.2 hole)
← Commit history
drill 1.1mm -> 1.20mm on the medium machine pin (v1.1.1)
5 files changed
+418−19
MachinePinMediumShort.adom-lbr.json+381−1@@ -1 +1,381 @@-{"schema_version": 2, "mpn": "MachinePinMediumShort", "manufacturer": "Adom", "package": "", "value": "", "category": "", "symbol": {"name": "MachinePinMediumShort", "pins": [{"number": "1", "name": "", "x": 200, "y": 0, "length": 79, "rotation": 180}], "body": null, "graphics": [{"kind": "polyline", "points": [[-175.00000000000003, 10.039370078740157], [-100.0, 10.039370078740157]], "width": 7.874015748031497}, {"kind": "polyline", "points": [[-100.0, 17.125984251968504], [-97.44094488188978, 19.68503937007874]], "width": 7.874015748031497}, {"kind": "polyline", "points": [[-100.0, 10.039370078740157], [-100.0, 17.125984251968504]], "width": 7.874015748031497}, {"kind": "polyline", "points": [[-100.0, -10.039370078740157], [-175.00000000000003, -10.039370078740157]], "width": 7.874015748031497}, {"kind": "polyline", "points": [[-100.0, -17.125984251968504], [-100.0, -10.039370078740157]], "width": 7.874015748031497}, {"kind": 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MachinePinMediumShort.kicad_mod+1−1@@ -98,7 +98,7 @@ (pad "1" thru_hole circle (at 0 0) (size 1.6 1.6) - (drill 1.1) + (drill 1.2) (layers "*.Cu" "*.Mask") (remove_unused_layers no) (uuid "633a4dec-1f37-b14c-24ca-eb5468cd87f4")
MachinePinMediumShort.lbr+1−1@@ -54,7 +54,7 @@ <packages> <package name="MachinePinMediumShort"> <description>MachinePinMediumShort</description>- <pad name="1" x="0.0000" y="-0.0000" drill="1.1000" diameter="1.6000" shape="round"/>+ <pad name="1" x="0.0000" y="-0.0000" drill="1.2000" diameter="1.6000" shape="round"/> <circle x="0.0000" y="-0.0000" radius="0.9000" width="0.0500" layer="21"/> <wire x1="-1.0000" y1="1.0000" x2="1.0000" y2="1.0000" width="0.0500" layer="51"/> <wire x1="1.0000" y1="1.0000" x2="1.0000" y2="-1.0000" width="0.0500" layer="51"/>
README.md+29−10@@ -1,35 +1,54 @@ # Machine Pin Medium Short -Adom **press-fit machine pin** (Medium / Short) for the Adom modular electronics-system. A machine **pin** (`MP`) presses into a plated through-hole and mates with a machine+Adom **machine pin** (Medium / Short) for the Adom modular electronics+system. A machine **pin** (`MP`) seats in a plated through-hole and mates with a machine **contact** (`MC`) on a stacked board (32mm scaffold grid). This page carries the corrected KiCad + **Fusion 360 `.lbr`** library and an interactive 3D insertion view. -## Mounting: press-fit (Mill-Max style)+## Mounting: line-to-line in a plated hole -The **Ø1.2mm** pin body presses into a **Ø1.1mm** plated hole -> **0.1mm-diametral interference** (solderless press-fit; solder-assisted with the 300um jet paste on the-annular ring). The hole is intentionally undersized; this is correct, not a clearance fit.+The **Ø1.2mm** pin body seats in a **Ø1.2mm** plated hole, so the fit is nominally+line-to-line and carries **no designed interference**. Retention comes from the solder+joint on the annular ring (300um jet paste), not from the hole gripping the pin.++This changed in v1.1.1. Through v1.1.0 the hole was Ø1.1mm, giving 0.1mm diametral+interference and a solderless press-fit. v1.1.1 returns the drill to Ø1.20mm, the value+the library used before January 2026. At line-to-line nominal, real boards land anywhere+between slight interference and slight clearance depending on hole tolerance and plating+thickness, so do not rely on the pin holding position before reflow.++Large machine pins are unaffected and remain press-fit (Ø3.6 body in a Ø3.45 hole,+0.15mm interference). ## Dimensions (measured from the STEP) | Feature | Value | |---|---|-| Pin body OD (press-fit) | **Ø1.2 mm** |+| Pin body OD | **Ø1.2 mm** | | Seating flange OD | Ø1.6 mm | | Tip / lead-in OD | Ø0.51 mm | | Total height | 7.75 mm (2.8 above board, 4.95 below) | | Footprint pad | Ø1.6 mm |-| Footprint drill (plated) | Ø1.1 mm |+| Footprint drill (plated) | Ø1.2 mm | ## Files - **Fusion 360 library:** `MachinePinMediumShort.lbr` (EAGLE/Fusion, round thru-hole pad + real pin outline symbol) - KiCad: `MachinePinMediumShort.kicad_sym`, `MachinePinMediumShort.kicad_mod`; STEP: `MachinePinMediumShort.step` - 3D viewer above shows the pin in a 1.6mm FR4 board (50% transparent) with the annular pads,- the 300um jet-paste dots, and the press-fit insertion animated.+ the 300um jet-paste dots, and the insertion animated. ## Paths / provenance -- Original KiCad source: [`adom-inc/adom-kicad-library`](https://github.com/adom-inc/adom-kicad-library/tree/new-v1.1) (MachineContact + MachinePin).+- Dimensions originate in [`adom-inc/adom-tsci-library`](https://github.com/adom-inc/adom-tsci-library)+ (`lib/src/globals.ts`), published as `@tsci/adom-inc.library` v1.1.15.+- KiCad source: [`adom-inc/adom-kicad-library`](https://github.com/adom-inc/adom-kicad-library/tree/new-v1.1)+ (MachineContact + MachinePin). That repository is private, so the link needs org access.+- Public KiCad PCM feed, installable without a login:+ **[Adom KiCad Library](https://wiki.adom.inc/adom/adom-kicad-library)**++ ```+ https://wiki.adom.inc/adom/adom-kicad-library/render/pcm/repository.json+ ```+ - All Adom machine pins in one Fusion library: **[Adom Machine Pins - Fusion Library](https://wiki.adom.inc/adom/adom-machine-pins-fusion-lbr)**.
page.json+6−6@@ -3,8 +3,8 @@ "type": "component", "slug": "machinepinmediumshort", "title": "Machine Pin Medium Short",- "brief": "Adom Medium Short press-fit machine pin (Ø1.2 body / Ø1.1 hole)",- "version": "1.1.0",+ "brief": "Adom Medium Short machine pin (Ø1.2 body / Ø1.2 hole)",+ "version": "1.1.1", "tags": [ "adom", "adom-modular",@@ -36,10 +36,10 @@ "specs": { "body_od_mm": 1.2, "flange_od_mm": 1.6,- "drill_mm": 1.1,+ "drill_mm": 1.2, "pad_mm": 1.6,- "mount": "press-fit",- "interference_mm": 0.1+ "mount": "line-to-line (solder-retained)",+ "interference_mm": 0.0 } }, "discovery_triggers": [@@ -72,4 +72,4 @@ "path": "MachinePinMediumShort-hero.png" }, "org": "adom"-}+}