Rubber Seal Testing Machine for Full-Face Tunnel Boring MachinesRubber Seal Tensile Property Testing Machine

Rock Tunnel Boring Machine Seal TestingTensile Stress-Strain Properties of Vulcanized Rubber

Vulcanized Rubber or Thermoplastic RubberTensile, Tear, Compression Deformation Testing

I. Equipment Introduction

This testing machine is specifically developed for main drive seals, articulation seals, and airbag seals used in full-face tunnel boring machines. It complies with standards such as GB/T 36879 to conduct physical performance, sealing performance, aging performance, and special working condition simulation tests on rubber seals, including tensile strength, elongation at break, tear strength, and compression set tests.

Compliant Standards:

GB/T 36879-2018 Rubber Seals for Full-Face Tunnel Boring Machines

GB/T 528-2009 Determination of Tensile Stress-Strain Properties of Vulcanized Rubber or Thermoplastic Rubber

GB/T 529-2008 Determination of Tear Strength of Vulcanized Rubber or Thermoplastic Rubber (Trouser, Angle, and Crescent Specimens)

GB 2941-2006 Rubber—General Procedures for Preparing and Conditioning Test Pieces for Physical Test Methods

GB/T 7759.1-2015 Vulcanized Rubber or Thermoplastic Rubber—Determination of Compression Set—Part 1: At Ambient or Elevated Temperatures

GB/T 34354-2017 Terms and Commercial Specifications for Full-Face Tunnel Boring Machines

II. Main Technical Parameters

Maximum Load: 20KN (Customizable)

Test Force Measurement Range: 0.4%-100% FS

Testing Machine Grade: Grade 1 / Grade 0.5

Test Speed: 0.5 - 500mm/min, Steplessly Adjustable

Maximum Width of Test Space: 400MM

Compression Space: 1000MM

Tensile Space: 750MM

Test Stroke: 600MM

Test Space: Dual Space

Space Distribution: Upper Part for Tension, Lower Part for Compression

Control Method: Microcomputer Control, LCD Display

Dimensions: 730*410*1800MM

Weight: Approximately 500KG

III. About the Tests

Tensile Test:

Accuracy of the Extensometer Used in the Testing Machine: Grade D for Type 1 Specimens. The testing machine should be capable of operating at speeds of at least 100mm/min ±10mm/min, 200mm/min ±20mm/min, and 500mm/min ±50mm/min.

Tear Test:

Compression Set Test: