Die Hot-Wire Foam Cutting Wiki
Alles über Heißdraht-Schaumstoffschneiden — vom ersten Schnitt bis zum Bau einer 5-Achs-CNC-Maschine. Anfängerfreundliche Anleitungen zu Schaumstoffmaterialien, Sicherheit, G-Code, Hardware (ESP32, FluidNC, GRBL, PiBot, RAMPS) und alle Funktionen der kostenlosen cncfoam.com Simulator. Verwenden Sie das Suchfeld oder wählen Sie ein Thema unten.
New to foam-cutter software? See how cncfoam.com compares to GMFC, DevFoam & JediCut, or browse the foam-cutting answers.
Los geht's
New to hot-wire foam cutting and cncfoam.com — the basics, your first cut and the key terms.
Was ist heißdraht-Schaumstoffschneiden?A plain-English introduction to hot-wire foam cutting: how a heated wire slices through foam, …
Was ist cncfoam.com?
cncfoam.com is a free, browser-based hot-wire foam cutting simulator, community shape library …
Schnellstart: Ihr erster Schnitt
A two-minute walkthrough: open cncfoam.com, load a shape, set your machine and foam size, pres…
Glossar der Hot-Wire- & CNC-Begriffe
Definitions of the key hot-wire foam cutting and CNC terms used across cncfoam.com: kerf, feed…
Schaumstoff & die Wissenschaft
How hot-wire cutting works, foam materials (EPS/XPS), wire temperature, kerf and safety.
Wie Heißdrahtschneiden funktioniert (die Physik)The physics of hot-wire foam cutting: resistive heating, why feedrate and temperature must be …
Schaumstoffmaterialien-Leitfaden (EPS, XPS, EPP & mehr)
Which foams can you hot-wire cut? A guide to EPS, XPS, EPP, PE, EVA and more — densities, melt…
Draht, Temperatur & Vorschubrate
Choosing hot-wire material and diameter, setting temperature, and dialing in feedrate. How nic…
Kerf, Ecken & Schnittqualität
What kerf is, why it matters for dimensional accuracy, how to compensate for it, and how to ge…
Sicherheit & Belüftung
Hot-wire foam cutting safety: fume extraction and ventilation, electrical safety with low-volt…
Using cncfoam.com
Every feature of the free browser tool — loading shapes, machine types, morphing, rotation and STL.
cncfoam.com SimulatorA tour of the cncfoam.com simulator: the 3D viewport, the status panel, the wire animation, th…
Lade Formen (SVG, DXF & G-code)
How to load shapes into cncfoam.com: single-part vs two-part morph, supported SVG/DXF/G-code f…
Maschinentypen (2, 3, 4 & 5 Achsen)
Understand 2-axis, 3-axis, 4-axis and 5-axis hot-wire kinematics in cncfoam.com: what each can…
Materialblock & Schneidbereich
Set your foam stock (material block) and machine reach (cutter envelope) in cncfoam.com, under…
Schnitteinstellungen: Material, Vorschubgeschwindigkeit & Vorheizen
The Cut settings panel in cncfoam.com: pick a foam material to auto-suggest feedrate and pre-h…
Skalieren, Versetzen, Drehen
Use the cncfoam.com Object bar to scale (per-axis or linked), offset and rotate the loaded sha…
Morphing & Twisting zweier Profile
How 4/5-axis morph cuts work in cncfoam.com: blending a left and right profile into a ruled su…
Rotationsachse & indexierte Schnitte (3/5-Achsen)
How indexed rotation works on cncfoam.com: set up the A axis, position the foam on the axis, b…
Was ist ein 5-Achsen-Foam-Cutter? (und warum es nicht das ist, was Sie denken)
A 5-axis hot-wire foam cutter is really a 4-axis dual-tower machine (X,Y,U,V) plus an indexed …
Die 3D-Volumenkörper-Schnittvorschau (CSG)
How cncfoam.com shows the real finished part: solid foam stock minus the swept cut volume usin…
Betrachter: G-code & Seitenprofile
The floating G-code viewer and the X/Y and U/V block-side views in cncfoam.com: reading the co…
Transport: Download, USB & Wi-Fi
Getting your cut to the machine from cncfoam.com: download G-code, stream over USB-serial (Web…
Konten, Projekte & die Formenbibliothek
Create a free cncfoam.com account to save named projects and sync settings, then browse, like,…
Die GEN's Shape Generator
Generate cuttable foam shapes in cncfoam.com without CAD: NACA aerofoils and morphing wings, a…
Der Ambigram-Generator
Make a 3D foam ambigram that reads one word from the front and a different word from the side.…
Der Zeichen-Generator
Cut loose letters, numbers, names and symbols as one continuous hot-wire outline. How cncfoam.…
Zahnradgenerator
Generate true involute gears in foam: spur gears (2-wire flat), plus helical and bevel gears v…
Flügelgenerator
Generate foam RC wing panels from NACA 4-digit aerofoils: root + tip sections, taper, sweep an…
Regelgeometrische Architektur: Wandpaneele & Hypars
Why a straight hot wire can cut flowing wall panels and curved hyperbolic-paraboloid (hypar) s…
Schrauben, Förderschnecken & die Grenzkurve der Regelfläche
Why a true shaft-and-thread screw can't be cut on a hot-wire machine, what you CAN make instea…
Spiralflügelgenerator (wellenloser Förderheuschraube)
How a hot wire makes the spiral ribbon of an auger or Archimedes screw with no central shaft —…
SVG-Cleaner
Why CAD-exported SVGs break parsers and how the cncfoam.com SVG cleaner fixes them: stripping …
Schneiden von 3D-Modellen (STL & OBJ)
How cncfoam.com turns an STL or OBJ 3D model into a hot-wire foam cut: the visual-hull / shape…
Drehen der Startposition des Teils
Use the Rotate part buttons in the status panel to spin an imported STL/OBJ model 90° about th…
G-Code
Reading and exporting hot-wire G-code: XYUVA axes, M-codes, profiles and FluidNC/GRBL output.
Was ist G-code?A beginner-friendly explanation of G-code: the plain-text language that tells CNC machines whe…
G-code für Schaumstoffschneiden
How hot-wire G-code differs from milling: M8/M9 hot-wire control, G4 pre-heat dwell, feedrate …
Achsenbezeichnungen & Ihre Steuerung
Why hot-wire G-code uses X Y U V A, why some controllers (GRBL / FluidNC) want X Y Z B A inste…
Mehrachsiges & Dreh-G-code (U/V/A)
How 4-axis and 5-axis hot-wire G-code uses U and V for the second tower and A for the rotary a…
Hardware
Building and wiring the machine — controllers, ESP32/FluidNC, stepper drivers, wire and frame.
Auswahl oder Bau einer MaschineHow to choose or build a CNC hot-wire foam cutter: frame tiers from DIY to pro, sizing your wo…
Controller: FluidNC & GRBL
CNC controller firmware for hot-wire foam cutters: ESP32 + FluidNC (USB and Wi-Fi, YAML config…
PiBot, RAMPS & Breakout-Boards
Controller hardware for hot-wire foam cutters: PiBot and RAMPS-style boards, multi-axis steppe…
Motoren, Treiber & Bewegung
The motion system of a hot-wire foam cutter: NEMA-17 stepper motors, TMC2209 drivers, MGN line…
Heißdraht-Leistung & Temperaturregelung
Powering and controlling the hot wire: dedicated PSUs, switching with a MOSFET on a PWM output…
Draht-Temperaturregelung (wo sie hingehört)?
Why hot-wire temperature is controlled on the machine, not in cncfoam.com: the tool emits only…
Verkabelung & erste Einrichtung
Bringing a hot-wire CNC build to life: wiring motors and the hot-wire circuit, flashing firmwa…
Workflows & Tipps
Practical end-to-end workflows and tips for cleaner, faster, more accurate foam cuts.
Designing wings & aerofoilsA workflow for cutting foam-core wings on cncfoam.com: choosing aerofoils, root-to-tip morph a…
Spalten, Lüftungskanäle & Lampenschirme
Project workflows beyond wings: square-to-round transition ducts, twisted and tapered columns,…
Fehlersuche bei häufigen Problemen
Fixes for common hot-wire foam cutting problems: wire bowing, wide kerf, rounded corners, wire…
Tipps für saubere, präzise Schnitte
A checklist of practical hot-wire foam cutting tips: tensioning, test cuts on scrap, lead-ins,…
Referenz
Quick reference: axis names, a glossary of terms and controller-specific notes.
Häufig gestellte FragenCommon questions about cncfoam.com and hot-wire foam cutting: is it free, do I need an account…
Tastaturkürzel & Steuerungen
Mouse and keyboard controls for the cncfoam.com simulator: orbit, pan, zoom, play/pause, rewin…