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Shoe Upper Leather Stretch Testing Machine

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Dongguan Dongjun Testing Equipment Co., Ltd.

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Shoe Upper Leather Stretch Testing Machine

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Brand Name :	Dongjun
Model Number :	DJ-DZ-371
Certification :	ISO9001，CE，
Price :	Negotiable
Payment Terms :	T/T
Supply Ability :	500pcs
Delivery Time :	15-25Work days

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Shoe Upper Leather Stretch Testing Machine

Product use

The Shoe Upper Leather Stretch Testing Machine is designed to precisely determine the elongation and tensile properties of shoe upper leather, synthetic leather, fabric, and other flexible materials used in footwear manufacturing. This equipment applies controlled tension to test specimens, measuring key parameters such as tensile strength, elongation at break, and permanent deformation to ensure material durability and compliance with international footwear standards.

Featuring a stable mechanical structure, accurate load cell, and digital display for real-time data, the machine offers easy operation and reliable test results. It is widely applied in shoe material laboratories, quality control departments, and leather product inspection centers. With adjustable test speed and stroke, it fully meets various test requirements for shoe upper materials, helping manufacturers improve product quality and reduce defective rates.

Parameters

Model	DZ-371	Telescopic distance	(19±0.5) mm
Expansion speed	(300±30) cpm	Specimen size	(64x64) mm
Number of specimens	12pcs	Fixture	40°V type V-Shape6.4mm (R)
Counter	6-digit LCD digital display	Power supply	1Φ, AC 220V, 2A
Volume	about (55x35x30) cm	Weight	about 60kg

Shoe Upper Leather Stretch Testing Machine

Working Principle of Shoe Upper Leather Stretch Tester

The Shoe Upper Leather Stretch Tester operates on the principle of constant-speed stretching and precise force-elongation measurement.
The machine clamps the shoe upper leather, synthetic leather or fabric specimen firmly between two sets of grips. During testing, one grip remains fixed while the other moves at a preset, constant speed, applying axial tensile force to the sample.

Main Structure and Components of Shoe Upper Leather Stretch Testing Machine

The shoe upper leather stretch testing machine mainly consists of a stable machine frame, precision driving system, clamping device, high-precision load cell, displacement sensor, control system and display unit.
The rigid frame ensures stability during stretching. The driving system provides stable and adjustable test speed. The upper and lower clamps firmly hold the specimen to avoid slipping. The load cell accurately captures real-time tensile force, while the displacement sensor records elongation data synchronously.

Shoe Upper Leather Stretch Testing Machine

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PACKING AND TRANSPORTATION

FAQ

How to install and use the product?

The product is shipped with an operating instructions and video of English version.or we will send you an operation video to teach you how to install and use the product with English speaking. However, if you need us to teach you face to face, please let us know in advance.

How about the packing for machine, is it safely protected during transportation?
Our machine is packed by standard export wooden box, it won’t be damaged. We’ve delivered many testing machines abroad by sea or by air without damage.

Shoe Upper Leather Stretch Testing Machine

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