Buy & Sell Used TNC 426 for Sale

TNC 426

Used HEIDENHAIN TNC 426 Machines for Sale | Asset-Trade

Buy & Sell Used Machine Tools with Heidenhain TNC 426 CNC Control

The Heidenhain TNC 426 (available in modular drive TNC 426 M and compact TNC 426 P / CB versions) is one of the most widely respected and durable contouring controls in precision toolmaking, mold manufacturing, and job shop production. Engineered as a high-speed contouring control for up to 5 interpolated axes (expandable to 9 axes plus controlled spindle), the TNC 426 pairs Heidenhain's renowned Klartext conversational programming with rapid block processing for precise 3D surface machining.

Typical Machine Applications & Quality Builders

On the secondary machine market, the Heidenhain TNC 426 is the proven powerhouse on top-tier milling equipment:

  • 3- and 5-Axis Machining Centers: DMG Deckel Maho (DMU 50V, DMU 60T, DMU 80T, DMC 63V), Mikron (VCE / UCP lines), Hermle (C600, C800, U740).
  • Bed-Type & Universal Mills: Fehlmann, Hedelius, Alzmetall, Kunzmann, Hartford, SHW.
  • Tool & Die Applications: Highly sought after for single-part prototypes, electrode machining, and high-precision shopfloor milling.

Programming Ergonomics & Cycle Capabilities

  • Heidenhain Klartext Conversational Dialog: Guided conversational input screens directly at the operator console, supplemented with full DIN/ISO G-code compatibility for CAM-generated NC files.
  • Free Contour Programming (FK): Rapid geometric drafting of complex workpieces even when drawings feature incomplete Cartesian dimensions.
  • Comprehensive Canned Cycles: Rigid tapping without floating tap holders, pocket and island clearance, engraving cycles, and automated 3D touch probe cycles (TS 220 / TS 640) for fast workpiece datum setting and tool measurement.
  • Electronic Handwheel Integration: Ergonomic machine setup and axis positioning via portable electronic handwheels (e.g., HR 410).

Inspection & Maintenance Guidelines

Pre-owned machine tools with a TNC 426 control offer outstanding hardware reliability. During inspection, review the following:

  1. Display Quality: Earlier TNC 426 models utilized CRT color monitors. Inspect display sharpness and brightness. Drop-in LED/TFT replacement kits are readily available.
  2. Hard Drive Health (MC 426 unit): The TNC 426 houses an internal 2.5-inch hard drive for storing large CAM-generated 3D toolpaths. Ensure that a complete backup image of machine parameters exists.
  3. Buffer Battery: Ensure periodic replacement of the 3V lithium buffer battery inside the logic unit to prevent loss of machine configuration parameters.

Matching Machine Inventory: Browse our verified DMG DMU 50V / 60T / 80T milling centers and Mikron VCE machines running TNC 426 controls.

Lifecycle & Retrofit Advisory: Classic Industrial Control

Controllers from this era offer cast-iron electrical reliability. Operators and buyers should observe three essential operational practices:

  • Backup Battery Maintenance: The 3.6V lithium buffer battery retains all critical NCK/PLC parameters and zero offsets. Crucial: Always replace the battery while the control is powered ON to prevent catastrophic parameter loss!
  • Monitor & Memory Retrofits: Aging CRT cathode ray monitors can be upgraded with drop-in, energy-efficient LED/TFT conversion panels. Mechanical hard drives or floppy units can be updated with rugged solid-state CF/SSD adapters or USB DNC emulators.
  • Spare Parts Availability: Reconditioned modular drives, power supplies, and CPU boards remain widely accessible via certified industrial electronics specialists.

📄 Technical Documentation & PDF Manuals for TNC 426

Download verified technical specifications, brochures, and programming guidelines:

Note for Service Technicians & CNC Programmers: Inquiring about wiring schematics, parameter manuals, or PLC backup archives? Contact our engineering team.

Selling a Milling Machine with Heidenhain TNC 426 or Liquidating a Shop?

Asset-Trade regularly purchases well-maintained machining centers and CNC milling machines equipped with Heidenhain TNC 426 controls. Benefit from transparent valuations, fast cash settlement, and turnkey machinery dismantling. Contact Asset-Trade today for your free valuation and purchase offer.

Machine Filter

Product Type

Make

Year

Control

Location

  • Raster
  • Liste

Buy used MIKRON UMC 600 BAZ

Used MIKRON UMC 600 - Front view and machine overview
Second Hand Mikron Machinery for Sale | Asset-Trade
Machine Information
Manufacturer: MIKRON
Model: UMC 600
Control: CNC > HEIDENHAIN > TNC 426
Year of build: 1996
Location:
Buy & Sell Second Hand Machiney from Germany Fast & Cheap
Germany
Buy a used MIKRON UMC 600 BAZ – your reliable vertical machining center The used MIKRON UMC 600 is a high-quality vertical machining center, ideal for precise and versatile machining requirements. With the proven Heidenhain TNC 426… Learn more
Angebot anfordern

AXA Vario - 4 & 3 Axis Machine Centers

Used AXA Vario - Front view and machine overview
Buy Second Hand AXA Machiney cheap | Asset-Trade
Machine Information
Manufacturer: AXA
Model: Vario
Control: CNC > HEIDENHAIN > TNC 426
Year of build: 2000
Location:
Buy & Sell Second Hand Machiney from Germany Fast & Cheap
Germany
Used AXA Vario Machining Centers for Sale Used AXA Vario machining centers offer an excellent solution for precise CNC machining with extended axis configurations. These Vario machining centers are available in 4-axis and 3-axis… Learn more
Angebot anfordern

MIKRON - WF 72 C CNC Milling Machine

Used MIKRON WF 72 C - Front view and machine overview
Second Hand Mikron Machinery for Sale | Asset-Trade
Machine Information
Manufacturer: MIKRON
Model: WF 72 C
Control: CNC > HEIDENHAIN > TNC 426
Year of build: 1994
Location:
Buy & Sell Second Hand Machiney from Germany Fast & Cheap
Germany
Used MIKRON WF 72 C CNC milling machine CNC control: Heidenhain TNC 425 Technical specifications: Travels: X 800 Y560 Z390 permissible workpiece weight: 700 kg Table size: X1200 Y600 Tool places 22 Installation surface: W 3864 x D… Learn more
Angebot anfordern

DECKEL - DMU 80T Spindle bearings renewed in December 2016

Used DMG DECKEL DMU 80T - Front view and machine overview
Buy & Sell second Hand DMG DECKEL Machinery | Asset-Trade
Machine Information
Manufacturer: DMG DECKEL
Model: DMU 80T
Control: CNC > HEIDENHAIN > TNC 426
Year of build: 2002
Location:
Buy & Sell Second Hand Machiney from Germany Fast & Cheap
Germany
Used DMG DECKEL DMU 80T  Control unit Heidenhain TNC 426 Spindelberings renewed in December 2016 Good general condition Travel distances X-way 800 mm Y-way 650 mm Z-way 550 mm Spindle speeds - stepless 20 - 6,300 rpm Drive… Learn more
Angebot anfordern

UNION - CBFK 90/1 HMC with Heidenhain 426

Used UNION CBFK 90/1 - Front view and machine overview
Second hand UNION Machinery for Sale Cheap | Asset-Trade
Machine Information
Manufacturer: UNION
Model: CBFK 90/1
Control: CNC > HEIDENHAIN > TNC 426
Year of build: 2000
Location:
Buy & Sell Second Hand Machiney from Germany Fast & Cheap
Germany
Used UNION CBFK 90/1 Horizontal machining center with pallet changer Reconstruction in 2000 on control Heidenhain 426 Technical specifications Travel: X axis: 1,600 mm Y-axis: 1,250 mm Z axis: 900 mm Feed rate: (X / Y / Z) 0.001 - 6… Learn more
Angebot anfordern

DECKEL - DMC 63V new Spindel

Used DMG DECKEL DMC 63V - Front view and machine overview
Buy & Sell second Hand DMG DECKEL Machinery | Asset-Trade
Machine Information
Manufacturer: DMG DECKEL
Model: DMC 63V
Control: CNC > HEIDENHAIN > TNC 426
Year of build: 2000
Location:
Buy & Sell Second Hand Machiney from Germany Fast & Cheap
Germany
Used DMG DMC 63 V CNC milling machine The spindle was remanufactured recently – it has new bearings, springs, seal and piston. Controller HEIDENHAIN 426M Travels  X Axis – 630 mm Y Axis Travel – 500 mm Z Axis Travel – 500… Learn more
Angebot anfordern

DECKEL - DMC 63V VMC

Used DMG DECKEL DMC 63V - Front view and machine overview
Buy & Sell second Hand DMG DECKEL Machinery | Asset-Trade
Machine Information
Manufacturer: DMG DECKEL
Model: DMC 63V
Control: CNC > HEIDENHAIN > TNC 426
Year of build: 1999
Location:
Buy & Sell Second Hand Machiney from Germany Fast & Cheap
Germany
Deckel Maho DMC 63 V - vertical machining center Hours spindle 20,741 hours. Heidenhain 426 X / Y / Z-630/500 / 500mm table 800x500mm max. Table load 500kg Taper SK 40 Speed ​​20-8000 rpm 13/9 kW Tools 24 times Rapid traverse 30 m /… Learn more
Angebot anfordern

Advantages buying Used TNC 426 machines

Industrial machines need to be economical and reliable.

This is where used TNC 426 machines help to enhance your production. They are very affordable and immediate available.

With pre-owned TNC 426 your business can react fast to changing production requirements at the fraction of the cost of new equipment.

Frequently Asked Questions about used TNC 426

What is the primary difference between the Heidenhain TNC 426 and TNC 430?

The TNC 430 is the direct successor to the TNC 426 with identical operator ergonomics, but offers a faster processor for enhanced block execution times on complex 3D toolpaths and standard support for digital drive interfaces.

What is the program memory capacity of the Heidenhain TNC 426?

The TNC 426 features an internal 2.5-inch hard drive (typically 1.4 to 3.2 GB), allowing large CAM-generated mold-and-die NC files to be stored and executed directly without buffering delays.

Which communication interfaces are supported by the TNC 426?

The control supports RS232 (V.24) and RS422 serial connections, as well as an optional 100 Mbit Ethernet network port for high-speed file transfer using Heidenhain TNCremo software over standard local networks.

Does Asset-Trade purchase milling machines with TNC 426 controls directly?

Yes. Asset-Trade actively acquires second-hand vertical and 5-axis machining centers running Heidenhain TNC 426 controls, managing prompt payment, rigging, and European logistics.

News about TNC 426 at Asset-Trade

Asset-Trade

Our Latest Machines

Used RASOMA FZX 3200 - Front view and machine overview
For Sale: 2014 RASOMA FZS 3200 Deep-Hole Drilling Machine (Siemens 840D sl)
Build: 2013
Used Flach Glass Produktion Anlagen - Front view and machine overview
High-Quality Flat Glass Production & Processing Machinery from Doering Radeburg – Available for Global Sale
Build: 2012
Used transfluid DB 642-CNC-R/L - Front view and machine overview
High-Quality CNC Tube Bending Machine transfluid DB 642-CNC-R/L for Sale – Fully Automated & Like New
Build: 2020
Used ONA PRES EBd-80-4-AK 800 tons - Front view and machine overview
Used ONA EBd-80-4-AK 800 tons hydraulic deep-drawing press for sale
Build: 2001
Used HUSKY E 3150 RS 170 - Front view and machine overview
Used Husky E 3150 RS 170 Automotive injection moulding machine
Build: 1996

Machines by Product Type

CNC Lathes | Vertical Machine Center | Metalworking | Horizontal Machine Center | Universal Machine Centres | Machine Centers | Milling Machines | Laser Cutting Machines | Lathes | Punching Machines | Press Brakes | Sheet Metal Working | Gear Hobbing | Injection Molding Machines | Hydraulic Presses

Machines by Manufacture

DMG DECKEL | TRUMPF | DMG GILDEMEISTER | MAZAK | CHIRON | TRAUB | SPINNER | STARRAG HECKERT | GLEASON PFAUTER | HELLER | HERMLE | INDEX | AMADA | DMG MORI SEIKI | OKUMA | TOYODA | MAHO | MIKRON | VDF BOEHRINGER | STAMA | 'nicht definiert | NOT DEFINED | MONFORTS | AXA | HURCO | WAFIOS | CARL ZEISS | LAUFFER

We Ship to all Countries

Map showing Asset-Trade's global shipping locations