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SATRA STM 441 Midsole flexing machine

Category: Flexing/Upper

This determines the flexing properties of perforation-resistant inserts (midsoles) used in safety footwear. Read more »

SATRA STM 601 SATRA vamp flexing machine

Category: Flexing/Upper

This assesses the tendency of all types of upper materials, clothing leathers and upholstery coverings to crack or break as a result of flexing in wear. It is equally suitable for testing leather, plastic coated fabrics, poromerics and woven fabrics. This method can also be used to test seam construction during flexing. Read more »

SATRA STM 612 SATRA/Bata belt flexing machine

Category: Flexing/Upper

The SATRA/Bata belt flexing machine provides one of the best indications of the risk of cracking of shoe soles due to flexing in wear. The test is conducted by fixing the sole unit to an endless belt which passes around two pulleys of differing diameters. The larger main drive pulley provides the rotation while the smaller of the two pulleys determines the severity of the flexing action. The equipment is supplied complete with three small pulleys of varying diameters to increase or decrease the Read more »

SATRA STM 701 Bally flexometer

Category: Flexing/Upper

The SATRA Bally flexometer is the internationally-accepted method for the assessment of the flexing endurance of light leathers and their surface finishes. The tendency for cracks to form in the creases caused by walking can also be determined. Read more »

STM 141 Ross flexing machine

Category: Flexing/Upper

This machine is used to measure the resistance of non-leather shoe soling to cracking in wear due to flexing and can test 12 strip test pieces at a time. This machine can also be used to test whole soles. Read more »

STM 184 Whole shoe flexing machine

Category: Flexing/Upper

The STM 184 flexing machine has been developed to assess the flexing endurance of completed footwear in wet and dry conditions. Read more »