12 Station Cold Capable Bally Flex Tester
1. Function and Application
The 12-Station Cold Capable Bally Flex Tester is designed to evaluate the flexural fatigue resistance of leather, composites, vinyl, surface finishes, and other materials under both ambient and sub-zero conditions.
Up to 12 specimens are folded and clamped between fixed lower clamps and oscillating upper clamps. Each cycle flexes a crease in the specimen, simulating the natural folding and bending a shoe upper or similar material undergoes during use, to assess its propensity to crack.
The integrated freezer system allows testing at temperatures down to -30°C, making this instrument suitable for cold-capable flex testing applications.
2. Applicable Standards
ASTM D6182
BS 3144: Method 13
DIN 53351
EN ISO 5402
TSL 5101G Sec. 3.14.1
3. Technical Specifications
| Feature | Specification |
|---|---|
| Stations | 12 |
| Temperature Capability | Ambient to -30°C |
| Flex Sample Clamps | Fixed lower clamps / oscillating upper clamps |
| Cycle Control | Programmable count-up controller with automatic stop |
| Stroke / Motion | Fold crease cycle for flexural fatigue testing |
| Scissor Lift | Electric lift inside freezer for lowering/raising tester |
| Control Panel | Digital temperature display, digital soak timer, digital cycle counter |
| Safety | Vented protective cover for operator protection; optional interlocks |
| Construction | Non-corrosive aluminum and stainless steel with durable powder coat and anodized finishes |
| Bearings | Precision ball and needle bearings |
| Motor | High quality brushless electric motor |
| Power Requirements | Supply voltages vary; must be specified at time of purchase |
| Operational Control | Adjustable jog and test speed controls |
| Display / Indicators | Flashing red light indicates test completion; optional selector switch disables freezer timer for ambient operation |
4. Features and Advantages
High Throughput: 12 stations allow simultaneous testing of multiple samples.
Cold Capable: Freezer and scissor lift enable testing down to -30°C.
Automated Operation: Soak timer and programmable count-up controller ensure consistent and repeatable results.
User-Friendly: External push button pendant for lift control; simple selector switch for ambient operation.
Durable Construction: Aluminum and stainless steel design ensures long-term reliability.
Safety: Vented protective cover protects operator hands from pinch points; all moving parts are well shielded.
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