China Bally Flex Tester ULB-F11 - Reliable Leather Flexing Tester for Quality Assurance by Leading Suppliers and Factory
Application
Bally leather flexing tester: to determine the resistance of a material to cracking or other types of failure at flexing creases. The method is applicable to all flexible materials and in particular leathers, coated fabrics and textiles used in footwear uppers.
Bally Flex Tester Feature
The test specimen is folded in half then one end is secured in a clamp. The test specimen is then turned inside out and the free end secured in a second clamp at 90 degrees to the first. The first clamp is repeatedly oscillated through a fixed angle at a defined rate causing the test specimen to flex. At set intervals the number of flexing cycles is recorded and the damage to the test specimen is visually assessed. The test can be carried out with wet or dry test specimens at ambient.
Standards
| Equipped with A type of upper grips. |
SATRA TM 55; IULTCS/IUP 20-1; ISO5402-1; ISO 17694 ; EN 13512 ; EN344-1 section 5.13.1.3 and annex C; EN ISO 20344 section 6.6.2.8; GB/T20991 section 6.6.2.8; AS/NZS 2210.2 section 6.6.2.8; JIS-K6545; |
| Equipped with B type of upper grips. |
ISO 32100; DIN53351; GE-24; ASTM D 6182 |
Key Specification
| Model | ULB-F11-6 | ULB-F11-12 | ULB-F11--24 |
| Test position | 6 Sets | 12 Sets | 24 Sets |
| Type of upper grips | Please choose the suitable type as below chart of ‘Standard’. | ||
| Flexing angle | 22.5° ± 0.5° | ||
| Flexing speed | 100 ± 5 cycles / flexes per minute | ||
| Counter | LCD 0 - 999,999 (adjustable) | ||
| Sample size | 70 ± 5 x 45 ± 5 mm | ||
| Power supply | 1∮AC 220V 50/60HZ | ||
| Dimensions ( L x W x H ) | 700x300x340mm | 780x450x360mm | 1100x510x220mm |
| Weight | About 45kg | 60kg | 70kg |
Accessories
| Standards Accessories | Power line *1pc |
| Optional Accessories |
Hydraulic Rocker Pressure Tester (Cutter: 70 ± 5 x 45 ± 5 mm) |
Frequently Asked Questions
What is the primary purpose of the Bally Leather Flexing Tester?
It is designed to determine the resistance of flexible materials, particularly leathers, coated fabrics, and textiles used in footwear uppers, to cracking or other failures at flexing creases.
Which testing standards does this equipment conform to?
Depending on the upper grips equipped, it complies with ISO 5402-1, SATRA TM 55, ISO 17694, EN 13512, EN ISO 20344, JIS-K6545 (for Type A grips), and ISO 32100, DIN53351, ASTM D 6182 (for Type B grips).
Can the test be conducted on wet specimens?
Yes, the flexing test can be carried out with either wet or dry test specimens at ambient temperatures.
What configuration options are available for the test positions?
The tester is available in three models based on the test positions: ULB-F11-6 (6 sets), ULB-F11-12 (12 sets), and ULB-F11-24 (24 sets).
What is the required specimen size for testing?
The standard sample size required for the test is 70 ± 5 mm by 45 ± 5 mm.
What standard and optional accessories are provided?
A power line is provided as a standard accessory. Optionally, you can purchase a Hydraulic Rocker Pressure Tester with a corresponding cutter (70 ± 5 x 45 ± 5 mm).