Bayerteq Axial Notch Milling Machine – BT AX630 for ISO 13479 Notch Pipe Test
- Dedicated laboratory specimen preparation system engineered specifically for the ISO 13479 Slow Crack Growth Notch Pipe Test (NPT)
- Accommodates large-diameter polyolefin pressure pipes ranging from Ø63 mm up to Ø630 mm (DN63 – DN630)
- Handles pipe specimen lengths up to 1800 mm with longitudinal notch cutting lengths from 50 mm to 650 mm
- High-rigidity multi-point pipe clamping bed guarantees absolute parallelism between cutter axis and pipe wall
- Precision 200 mm diameter 20-tooth 60° V-type hard alloy milling blade producing mirror-smooth notch roots
- Strict ISO 13479 compliant cutting feed of 0.010 ± 0.002 mm/rev/tooth preventing thermal heating and residual stresses
- Industrial PLC architecture with articulated full-color touchscreen terminal and pre-set longitudinal notch indexing
- Heavy-duty IP55 enclosed frame with rapid cutter carriage return speed of 2400 mm/min
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The specialized axial notch milling machine—model BT AX630—manufactured by Bayerteq is an advanced specimen preparation instrument engineered specifically to machine precise longitudinal external notches onto polyolefin pressure pipe sections. Designed in strict compliance with the international standard ISO 13479 (polyolefin pipes for the conveyance of fluids — determination of resistance to crack propagation — test method for slow crack growth on notched pipes), this heavy-duty system provides pipe testing laboratories and resin certifying bodies with the geometric precision necessary for the standard Notch Pipe Test (NPT).
Slow Crack Growth (SCG) resistance is a foundational qualification criterion for modern PE100, PE100-RC, and high-density polyethylene piping networks. Under ISO 13479, test pipes must feature four symmetrical longitudinal notches machined along their outer circumference at 90° intervals prior to internal hydrostatic pressure testing. Operating as a dedicated axial notch milling machine, the Bayerteq BT AX630 eliminates the operator variability, depth inconsistencies, and thermal stresses that commonly occur with unguided manual or standard workshop cutters.
Bayerteq Axial Notch Milling Machine: ISO 13479 Precision
The BT AX630 is constructed around a heavy, vibration-damped steel machine bed capable of supporting pipe test pieces from 63 mm up to 630 mm in outside diameter with lengths up to 1800 mm. Key architectural advantages include:
- Multi-Point Support Clamping Bed: Adjustable multi-point V-supports align pipe sections securely, ensuring perfect parallelism between the pipe axis and the motorized carriage guide rails for uniform notch depth across lengths up to 650 mm.
- Optimized V-Cutter Geometry: Fitted with a 200 mm diameter, 20-tooth 60° V-type tungsten carbide saw blade that produces exceptionally clean notch roots without burrs or plastic deformation.
- Controlled Low-Stress Feed Rates: Features a regulated feed rate of 150 mm/min delivering the strictly specified 0.010 ± 0.002 mm/rev/tooth cutting advance, completely avoiding localized thermal heating.
- PLC & Articulated Touchscreen Control: Operators input pipe outer diameter and wall thickness directly into the industrial PLC interface to calculate precise notch penetration depths up to 15 mm.
With an IP55 protection rating, integrated swarf chip deflectors, and rapid 2400 mm/min carriage return travel, this robust axial notch milling machine guarantees fast, repeatable sample preparation for accredited certification.
Bayerteq BT AX630 Axial Notch Milling Machine – Technical Specifications
| Parameter | Technical Specification |
|---|---|
| Model Designation | Bayerteq BT AX630 (BT-AX Series) |
| Applicable Standards | ISO 13479, EN 13479, ASTM F1473, ISO 1167 / Notch Pipe Test (NPT) Protocols |
| Applicable Pipe Diameter Range | Ø63 mm to Ø630 mm (DN63 – DN630) |
| Maximum Pipe Specimen Length | 1800 mm |
| Notch Length Range | 50 mm to 650 mm |
| Maximum Notch Depth | 15 mm (fine micro-metric dial / digital feed) |
| Milling Cutter Specifications | Ø200 mm diameter | 20 teeth | 60° V-type hard alloy carbide saw blade |
| Spindle Motor Rotation Speed | 750 rpm constant cutting drive |
| Carriage Feeding & Return Speed | Feeding speed: 150 mm/min | Return speed: 2400 mm/min |
| Cutting Feed per Tooth | 0.010 ± 0.002 mm/rev/tooth (ISO 13479 standard requirement) |
| Control Architecture & Display | Industrial PLC with moveable large-format full-color touchscreen terminal |
| Ingress Protection & Power | IP55 industrial protection | 380 VAC, 50 Hz, 3-Phase, 2.8 kVA |
| Overall Dimensions & Construction | 2000 × 1180 × 2080 mm (L × W × H) | Reinforced steel machine frame |
Key Engineering Advantages of Bayerteq BT AX630
Multi-Point Parallel Pipe Support
Precision multi-point V-block clamping eliminates pipe sag and ovality distortion, maintaining continuous cutter-to-pipe parallelism along the full 650 mm stroke.
Strict ISO 13479 Feed Speed Regulation
Automated closed-loop feed control locks feed rates at 0.010 ± 0.002 mm/tooth, preventing thermal plasticization and residual strain at the notch root.
60° Tungsten Carbide V-Blade
Hard-alloy micro-grain carbide cutter with 20 teeth ensures razor-sharp notch tip radii and mirror-finished side flanks required by certifying laboratories.
Articulated Moveable Touchscreen
The operator interface pivots freely on a heavy-duty arm, allowing clear visibility and convenient control whether positioning pipes or initiating cutting.
Broad DN63 to DN630 Capacity
A single robust machine prepares everything from compact 63 mm distribution conduits up to massive 630 mm main transmission water/gas pipes.
Rapid 2400 mm/min Carriage Return
High-speed return traverse minimizes dead cycle time between the four sequential 90° rotational passes on each test pipe.
Instrument Configurations & Standard Inclusions
| System Module | Standard Inclusion | Optional Add-Ons |
|---|---|---|
| Main Milling Machine Frame | BT AX630 rigid chassis with multi-point pipe V-supports, linear rail guide, and IP55 enclosure. | Extended pipe support table for pipe lengths exceeding 1800 mm. |
| Cutter Head & Tooling | 750 rpm motorized milling spindle with 200 mm 20-tooth 60° V-hard alloy carbide saw blade. | Spare 60° V-hard alloy blades, specialized notch depth dial micrometer gauge. |
| Control & Electronics | Industrial PLC unit with moveable full-color touchscreen operator console. | Online remote diagnostic support module, barcode sample tracking scanner. |
| Pipe Indexing Fixture | 90° rotational indexing collar set accommodating DN63 through DN630 outer diameters. | Automated pneumatic 90° pipe rotation indexing mechanism. |
Testing Standards & Industry Applications
| Standard / Method | Testing Purpose & Sample Preparation Mandate |
|---|---|
| ISO 13479 & EN 13479 | Polyolefin pipes for the conveyance of fluids — Slow crack growth notch test on notched pipes. Prepares four longitudinal notches at 90° spacing on PE pipes. |
| PE100 & PE100-RC Certification | Mandatory qualification for crack-resistant PE100-RC materials requiring >8760 hours SCG endurance under hydrostatic test at 80 °C. |
| ASTM F1473 (PENT Reference) | Complementary pipe-level notch validation supporting resin slow crack growth evaluations and quality control. |
| Target Industry Sectors | Polyethylene gas and water pipe extrusion plants, third-party plastic certification laboratories, raw material resin manufacturers, and utility inspection authorities. |