Project Description

Flexing machine & water penetration tester

SATRA TM77 Shoe Flexing Water Resistance Tester China Manufacturer

Footwear Water Penetration Flexing Tester is used to determine the resistance to water penetration of the completed shoe during flexing. It is applicable to different types of shoes.

There are two test methods: The test sample is immersed in water for a stipulated time under the specified conditions & The test sample is repeatedly flexed in water for the given number of cycles. The immersion time or the number of flexes can be preset. The machine can automatically detect the signal and stop running when it reaches the set time or number of flexures, as this shoe testing machine adopts an electronic induction mode.

This machine can simulate human feet walking in the water with shoes to determine the penetration time, the number of bends before penetration, and the infiltrating area within a specified time or the number of flexes.

Test Principle

A shoe test piece is fixed in the trough of water, which may contain a dye solution, and is flexed through a specified angle about its natural flexing line. After a predetermined time or number of flexes is reached, the test piece’s waterproofness under bending conditions is determined according to signs of water penetration. The level of the water in the trough, the number of flexes, the interval time between assessments, and the angle at which the shoe is flexed are determined by the type of footwear being tested.

Test Standard

SATRA TM77 Footwear flexing machine-water penetration test

Main Technical Parameters

Model AT-F3007
Test Range Children shoes 12 ~ adult shoes 13 (USA size)

Children shoes 4 ~ 13, Adult shoes 1 ~ 12(UK size)

Test Piece 2 pcs (monitor water seepage independently)
Flexing Speed 140 cycles per minute or 0 ~ 150 cpm adjustable
Flexing Angle 10°, 15°, 20°, 25°, 30°, 35°, 40°, 45°, 50°
Counter / Timer LCD display, 0 ~ 999,999
Level of Water It’s base on the footwear type
Motor 1/2 HP with reducer
Dimension 65 × 83 × 129 cm
Weight 205 kg
Power 1 Phase, AC 220V +/- 10%, 3 A or specified

Shoe Bending Water Penetration Tester Features

  • Practical design makes the operation and maintenance of the instrument more simple and convenient.
  • The number of flexes or flexing time can be preset. 
  • When the test reaches the set time or number of flexes, the machine will automatically stop.
  • The controller automatically records the water-resistant time, the number of bends and the specified flexing time.
  • Two test pieces can be tested at the same time. Both are separately controlled during the test.
  • Bending angles are adjustable: 10°, 15°, 20°, 25°, 30°, 35°, 40°, 45°, 50°.
  • Test speed is adjustable, ranging from 0 ~ 150 CPM.
  • Configured with an LCD and digital controller for easy use.

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