To determine flexing resistance or physical damage for all of vamp soft materials including leather, clothing and upholstery coverings. It also can be used to test seam construction during flexing.
Test Principle
Simulating vamp flexing state during person wear shoes. Fix samples on the V shape of fixtures and fixtures do relative motion to make two fixtures close to each other and samples flex. During testing, fixture do uniform motion, samples are flexed repeatedly, evaluate sample breakage or desalination phenomenon.
Standards
SATRA PM25 GB/T 20991 6.5.2 GB/T 20991 6.5.2
ISO 20344 ISO-4643 ISO 5423 ISO 22288
Key Parameters
Model
|
H049
|
Working positions
|
12
|
Speed
|
300 ± 30 times / minute
|
Movable fixtures moving stroke
|
19mm ± 1.5 mm
|
Maximum interval between 2 fixtures
|
28.5 ± 2.5 mm
|
Minimum interval between 2 fixtures
|
9.5 ± 1.0 mm
|
Counter
|
LCD, 0- 999, 999
|
Fixture
|
40°V-shape 6.4mm(R)
|
Power supply
|
1∮ AC 220V 3A
|
Dimensions
|
105 cm x 50 cm x 50 cm ( L x W x H )
|
Weight
|
68kg
|
Demonstration
Materials To Be Tested