The core logic of the two operation processes is consistent (preparation → setup → testing → data processing), with differences concentrated in three core steps: sample adaptation, fixture/parameter selection, and standard matching. The specific differences are as follows:

1. Differences in sample preparation and clamping

Universal electronic tensile testing machine: There are various types of specimens (plastic, fabric, metal sheet, etc.) that need to be cut into standard splines (such as dumbbell shaped, rectangular) according to material characteristics. It is necessary to measure the thickness, width, and other dimensions of the sample gauge length section, and select corresponding fixtures (flat mouth, peeling, puncture fixtures, etc.) according to the material.

Reinforcement tensile testing machine: The specimen is the entire steel bar or a standard length segment (usually 500-800mm) cut, without special cutting, only requiring the removal of surface rust and oil stains. The nominal diameter of the steel reinforcement needs to be measured (according to the requirements of GB/T 228.1), and only special wedge-shaped/threaded fixtures should be used, with strong reinforcement, anti slip, and suitable for the high-strength and circular section characteristics of the steel reinforcement.

2. Differences in experimental parameter settings

Universal electronic tensile testing machine: The test type (tension/compression/peeling, etc.) needs to be manually selected, and the loading speed needs to be set according to material standards (such as 50mm/min for plastic and 200mm/min for fabric). Manual input of sample size, gauge length and other parameters is required, and some materials require manual activation of extensometers or adjustment of deformation measurement methods.

Reinforcement tensile testing machine: The software is pre-set with construction industry standards (such as GB/T 228.1), and there is no need to select the test type, directly matching the reinforcement testing scenario. The loading speed is fixed (such as 2mm/min before yielding and 20mm/min after yielding), and only the steel bar specification (such as Φ 25mm) needs to be entered, and the software automatically matches the parameters. The extensometer is configured and automatically calibrated according to the steel bar gauge length (such as 5 times the diameter) by default, without the need for manual adjustment.

3. Differences between testing process and standard adaptation

Universal electronic tensile testing machine: During testing, attention should be paid to the characteristics of different materials (such as whether the plastic is brittle and whether the fabric is slippery), and the fixture pressure may need to be adjusted midway. The data indicators need to be selected according to the material type (such as elongation at break for plastics and tensile strength for rubber), and the report format is universal.

Reinforcement tensile testing machine: The testing focuses on monitoring the yield stage of the reinforcement (force value platform period), and the equipment automatically captures the yield strength without manual intervention. It is necessary to strictly follow the standards of the construction industry, with fixed data indicators (yield strength, tensile strength, elongation at break), and reports that meet the requirements of engineering quality inspection and archiving.

4. Differences in equipment maintenance focus

Universal electronic tensile testing machine: It is necessary to regularly replace different types of fixtures and clean the residual contact surfaces of the fixtures (such as plastic debris and fabric fibers).

Reinforcement tensile testing machine: Focus on maintaining the wear of the tooth surface of the special fixture (to avoid slipping of the reinforcement), regularly check the clamping force of the fixture, and clean the iron filings after the reinforcement breaks.