Bend Testing Machine 6-40mm Rebar 180° Bend Test Hbt165c
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**Bend Testing Machine HBT165C – 6-40mm Rebar 180° Bending Test**
**Introduction**
The HBT165C Bend Testing Machine is specifically designed for conducting bending tests on various metallic materials, including rebar, rod steel, and plate steel. It provides a reliable and accurate solution for assessing the ductility and flexibility of these materials under bending conditions.
This machine features bidirectional hydraulic loading, allowing users to bend specimens with diameters up to 40 mm to a full 180°. The system includes a hand wheel that adjusts the support span using a bidirectional screw mechanism, making it easy to set up different test configurations. The self-locking support rollers and plug-in type mandrels allow for quick and efficient setup, enhancing overall usability.
Equipped with an LCD control panel, the machine offers real-time display of displacement, speed, and bending angle, ensuring precise control throughout the testing process. The adjustable speed complies with ISO 7438:2005 standards, particularly Clause 6.3, where a testing rate of (1±0.2) mm/s is recommended in case of disputes. This ensures consistency and reliability in test results.
**Structure and Working Principle**
The HBT165C has a vertical design, which simplifies operation and makes it easier to remove debris after testing. During the bending process, the vertical cylinder drives the mandrel to bend the specimen nearly 180° and then return to its original position. Simultaneously, the horizontal cylinder moves the two supports to complete the exact 180° bend.
Span adjustment is achieved through a trapezium lead screw, eliminating the need for a locking nut. An encoder measures speed, while a valve allows for fine-tuned speed adjustments, meeting all requirements for dispute testing. This combination of precision and ease of use makes the HBT165C a versatile tool for quality control and material testing.
**Technical Specifications**
| **Parameter** | **Value** |
|----------------------------------------|----------------------------------------|
| Max Pushing Force | 160 kN |
| Vertical Cylinder Max Travel | 500 mm |
| Vertical Cylinder Speed (No Specimen) | 0.5–4 mm/s |
| Horizontal Cylinder Max Force | 60 kN |
| Horizontal Cylinder Max Travel | 30 mm |
| Support Roller Diameter | 43 mm |
| Span (Distance Between Rollers) | 10–340 mm |
| Mandrel Diameter | 6–200 mm (Customizable) |
| Round Specimen Diameter | φ6–φ40 mm |
| Flat Specimen Thickness | (6–40) x 50 mm |
| Max Bending Angle | 180° |
| Power Consumption | 2.2 kW (380V, 50Hz) |
| Main Dimensions | 1039 x 554 x 1950 mm |
| Weight | 700 kg |
| Hydraulic Oil | #46 Anti-Wear Hydraulic Oil, 68 L |
**Additional Features**
- Easy-to-use interface with intuitive controls
- Durable construction for long-term use
- Versatile testing capabilities for a wide range of materials
- Supports multiple mandrel sizes for different applications
- Complies with international testing standards
The HBT165C is ideal for laboratories, manufacturing facilities, and quality assurance departments that require accurate and repeatable bending test results. Its user-friendly design and high-performance specifications make it a valuable asset for any material testing environment.