Description
Product Description
NAKE BMT-500 – The industry-standard automatic high-strength bolt axial force and torque testing system, engineered to meet ISO 16047-2005 and GB/T 50205-2020 for steel structure quality acceptance. Fully automated, precise, and reliable — ideal for construction quality control, third-party testing labs, and bolt manufacturers.
Key Features
- Fully Automated Testing One-button start: auto-loads to target axial force → auto-unloads → records & calculates results.
- Dual-Parameter Precision Testing Simultaneously measures axial force (50–500 kN) and torque (100–2000 Nm) with ±1.0% accuracy.
- Smart Calculation & Reporting Auto-computes:
- Torque coefficient (K)
- Average axial force, torque, K
- Standard deviation (S)
- Coefficient of variation (V) Real-time LCD display + built-in thermal printer.
- Wide Bolt Compatibility Supports large hexagon high-strength bolts and torsional shear bolts (M16 to M30). Torsional shear test requires optional shear wrench.
- Complete Accessory Kit Included Full set of gravity sleeves, inner/outer spacers, and anti-rotation plates for all sizes (M16–M30).
- Robust & Safe Design Precision linear guides, overload protection, emergency stop, and enclosed load-bearing cabinet.
Applications
| Industry |
Use Case |
| Steel Structure Engineering |
Acceptance testing per GB/T 50205 |
| Bridge & High-Rise Construction |
Pre-installation bolt verification |
| Wind Turbine & Power Towers |
High-strength fastener QA/QC |
| Third-Party Testing Labs |
ISO 16047 compliance reports |
| Bolt Manufacturing |
Batch quality certification |
Technical Specifications
| Parameter |
Specification |
| Model |
NAKE BMT-500 |
| Compliance |
ISO 16047-2005, GB/T 50205-2020 |
| Bolt Types |
Large hexagon & torsional shear |
| Bolt Sizes |
M16, M20, M22, M24, M27, M30 |
| Bolt Length |
55–280 mm (shorter with optional fixture) |
| Axial Force Range |
50–500 kN |
| Torque Range |
100–2000 Nm |
| Test Speed |
~1.0 r/min |
| Accuracy |
±1.0% (axial force & torque) |
| Motor |
380V AC, 0.37 kW, 3-phase |
| Control System |
220V AC, dedicated LCD controller |
| Display |
Real-time force, torque, K-value |
| Data Output |
Built-in thermal printer |
| Safety |
Overload protection, E-stop |
Standard Inclusions
| Item |
Qty |
| Main Testing Machine (with motor & guides) |
1 set |
| Dedicated LCD Controller |
1 set |
| 500 kN Axial Force Sensor (pre-installed) |
1 unit |
| 2000 Nm Torque Sensor (pre-installed) |
1 unit |
| Gravity Sleeves (M16–M30) |
1 each |
| Inner & Outer Spacers (M16–M30) |
1 each |
| Anti-Rotation Insert Plates (M16–M30) |
1 each |
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