TensileTurn CNC MINI – Compact Round Tensile Specimen Preparation Machine

Price on request

The TensileTurn CNC MINI is a compact, fully enclosed CNC lathe built to turn accurate round tensile specimens in-house. A built-in 15.6″ touchscreen running TensileSoft lets any operator pick a standard geometry or enter custom dimensions, load the blank and press start. It is the entry point to the TensileTurn family.

SKU: MACHINE-3806 Category:

Description

Description

The TensileTurn CNC MINI is the new entry-level model of the TensileTurn family, a compact CNC lathe designed to prepare accurate round tensile specimens in-house. It brings the guided TensileSoft workflow used across the TensileTurn range to labs that prepare round specimens in lower volumes, including QA/QC departments, universities, technical schools and research centers. Operators with no CNC experience produce test-ready specimens to ASTM E8/E8M, ASTM A370, ISO 6892-1, DIN 50125 and EN 10002 by selecting a standard geometry from the library or entering custom dimensions on the touchscreen.

Compact Round Specimen Preparation CNC Lathe

The machine is built around a fully enclosed working area with a sliding front door and viewing window, side access doors, an air gun and a flood coolant system with a flexible nozzle and a tank in the base. A Ø100 mm (Ø3.94 in) chuck, 280 mm (11.0 in) between centers and a pneumatic MT1 tailstock hold round blanks up to Ø90 mm (Ø3.54 in) in diameter and 280 mm (11.0 in) long, while the 2.5 kW (3.4 hp) spindle runs from 100 to 3,000 rpm. An 8-position electric turret arrives with all tooling pre-installed and recommended inserts, so the full specimen profile, including threaded ends and cutoff, is completed in one setup.

Control comes from a 15.6″ touchscreen built directly into the machine, in the same integrated style as the TensileMill CNC MICRO. TensileSoft runs on a MachMotion controller (M31 MachMotion motion controller) and generates the toolpath automatically from the specimen dimensions, blank size and cutting parameters. Positioning accuracy of ±0.015 mm (±0.0006 in) and repeatability of ±0.010 mm (±0.0004 in)* deliver consistent geometry from one specimen to the next.

By bringing round specimen preparation in-house, your lab controls its own testing schedule, removes outsourcing delays and frees the main machine shop for production work. For teams that need standard-compliant round specimens without a dedicated CNC machinist, the TensileTurn CNC MINI is the most accessible way into the TensileTurn family.

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Key features include:

  • Built-in 15.6″ touchscreen controller integrated into the machine enclosure
  • TensileSoft specimen preparation software on a MachMotion controller (M31 MachMotion motion controller)
  • Ø200 mm (Ø7.87 in) swing over bed and 280 mm (11.0 in) between centers
  • Ø100 mm (Ø3.94 in) 3-jaw chuck as standard (4-jaw chuck optional**), Ø20 mm (Ø0.79 in) spindle bore and MT3 spindle taper
  • Accepts round stock up to Ø90 mm (Ø3.54 in) and 280 mm (11.0 in) long, material hardness up to 35 HRC; finished specimens up to 250 mm (9.84 in)
  • 2.5 kW (3.4 hp) spindle motor with a 100–3,000 rpm speed range
  • 8-position electric turret, delivered turnkey with all tooling pre-installed and recommended inserts for preparing tensile specimens
  • X / Z travel of 100 mm (3.94 in) / 175 mm (6.89 in), rapid traverse 3,000 mm/min (118 in/min)
  • Positioning accuracy ±0.015 mm (±0.0006 in)* and repeatability ±0.010 mm (±0.0004 in)*
  • Pneumatic MT1 tailstock with Ø22 mm (Ø0.87 in) sleeve and 30 mm (1.18 in) quill travel
  • Fully enclosed guarding with sliding front door, side access doors, e-stop, Cycle Start and Feed Hold buttons
  • Water-based flood coolant with flexible nozzle, 30 L (7.9 US gal) tank in the base and 40 W pump, plus an integrated air gun
  • Cabinet stand, 1,350 × 700 × 1,300 mm (53.1 × 27.6 × 51.2 in) overall
  • Standard package also includes 220 V 3-phase 50/60 Hz connection (hard-wired, no plug supplied), toolbox and wrench set, installation and operator training

Shipping from January 2027. Pre-orders open. Standard lead time 3 months after order.

Key Benefits

Small FootprintA fully enclosed, self-contained lathe on its own cabinet stand, with the coolant tank in the base, fits into existing labs and classrooms without a dedicated machining area.
Perfect for Untrained CNC MachinistOperators pick a standard geometry or enter custom dimensions, load the blank and press start. TensileSoft generates the toolpath automatically, so no CNC programming experience is needed.
Turnkey SolutionDelivered ready to run with the built-in controller, TensileSoft, 8-position turret, coolant system, tooling and operator training, so your team starts preparing specimens with minimal setup.
Super User-FriendlyA built-in 15.6″ touchscreen guides the operator tab by tab, from Define Specimen to Run Specimen, with one-touch Favorites that recall saved specimen profiles for repeat jobs.
Accurate & Repeatable ResultsPositioning accuracy of ±0.015 mm (±0.0006 in) and repeatability of ±0.010 mm (±0.0004 in)* keep specimen geometry consistent batch after batch for comparable test data.
Free Proof of ConceptSend us your material and specimen requirements and we will machine a sample set on a TensileTurn system, so you can validate results before you invest.

View full specifications →

Specifications

ModelTensileTurn MINI by TensileMill CNC, Inc.
Swing Over BedØ7.87 in (Ø200 mm)
Travel Across Slide3.54 in (90 mm)
Center Width11.0 in (280 mm)
Spindle BoreØ0.79 in (Ø20 mm)
Spindle TaperMT3
Spindle Speed Range100–3,000
Lathe ChuckØ3.94 in (Ø100 mm), 3-jaw; 4-jaw optional**
Max Round Stock DiameterØ3.54 in (Ø90 mm)
Max Blank Length11.0 in (280 mm)
Max Finished Specimen Length9.84 in (250 mm)
Max Material Hardness≤ 35 HRC
Tool Changer TypeElectric
Number of Tool Positions8
ToolingDelivered turnkey with all tooling pre-installed and recommended inserts for preparing tensile specimens
Max Section of Tool5/16 × 5/16 in (8 × 8 mm)
X-Axis Travel3.94 in (100 mm)
Z-Axis Travel6.89 in (175 mm)
X Axis Speed118 in/min (3 m/min)
Z Axis Speed118 in/min (3 m/min)
Axis Motor Torque44 lbf·in (5 N·m)
Position Accuracy±0.0006 in* (±0.015 mm*)
Repeatability±0.0004 in* (±0.010 mm*)
Tailstock TaperMT1, pneumatic
Tailstock Sleeve DiameterØ0.87 in (Ø22 mm)
Tailstock Travel1.18 in (30 mm)
ControllerBuilt-in 15.6″ touchscreen, TensileSoft on MachMotion M31 motion controller
Main Motor Power3.4 hp (2.5 kW)
Main Motor (rpm)3,000
Power Requirements220 VAC, 3-phase, 50/60 Hz, 16 A, hard-wired (no plug supplied)
Total Connected Power6 kW
Coolant Tank Capacity7.9 US gal (30 L)
Coolant Pump40 W, water-based flood coolant
Weight780 lb (354 kg)
Shipping Weight1,032 lb (468 kg)
Overall Dimensions (L×W×H)53.1 × 27.6 × 51.2 in (1.35 × 0.7 × 1.3 m)
Packing Size (L×W×H)60.0 × 33.5 × 60.0 in (1.525 × 0.85 × 1.525 m)
Warranty12 months, manufacturer’s limited warranty
Lead Time3 months after order; shipping from January 2027
Optional Equipment**4-jaw chuck. Please contact your TensileMill CNC consultant for details

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