Tensile testing machine

Introduction

A tensile testing machine is an instrument used to test the tensile properties of the materials, such as the metals, the plastics, the rubber, the textiles, and the composites, by applying a controlled tensile force until the failure, and it is used in the materials testing, the quality control, the research, and the industry. The tensile testing machine consists of a load frame with the crossheads, a drive system that applies the force, the load cells and the extensometers that measure the force and the deformation, and a control and a data acquisition system; the specimen is held in the grips, and the machine applies a controlled tensile force or displacement at a specified rate, measuring the load and the deformation, and it generates the stress-strain curve, from which the properties such as the tensile strength, the yield strength, the elongation, and the modulus of elasticity are determined, following the standard test methods, such as the ASTM and the ISO standards; the tensile testing machine is used for the testing of the tensile strength of the metals, the plastics, the rubber, the textiles, the films, and the many other materials, for the quality control, for the research and the development, for the failure analysis, for the comparison of the materials, and for many other applications, and it is available in various force capacities, from the small benchtop machines for the low forces to the large floor-standing machines for the high forces, with features such as the various grips and the fixtures and the data analysis software; the tensile testing machine is an essential instrument for the mechanical testing. Tensile testing machines are used in the materials testing laboratories, in the manufacturing, in the research institutions, in the educational institutions, and for many other applications. With their tensile testing, tensile testing machines are essential for the material testing.

Tensile Testing Machine LTTM-T2020

Tensile Testing Machine provides a max capacity of 1KN with force sensors that help measure the durability of the material being tested. It mimics the environmental conditions by changin...

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Tensile Testing Machine LTTM-T2010

Tensile Testing Machine can apply a maximum force of either 1000N (100KG) or 5000N (500KG), both with a high precision of 0.1N. It features an imported servo motor with vector control fo...

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Tensile Testing Machine LTTM-T2030

Tensile Testing Machine provides a max capacity of 1KN with optional force sensors to test materials, creating extreme testing conditions. It is used for 90˚or 180˚ peeling test and te...

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Tensile Testing Machine LTTM-T2031

Tensile Testing Machine a max capacity of 1KN with force sensors capacity of 10N to 1KN that help measure the durability of the material being tested. It has measurement resolution of up...

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Tensile Testing Machine LTTM-T2020

Tensile Testing Machine provides a max capacity of 1KN with force sensors that help measure the durability of the material being tested. The newly developed tester features a computer co...

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Tensile Testing Machine LTTM-T2011

Tensile Testing Machine has a maximum test force of 100 KN, making it ideal for conducting high-intensity testing with precision and reliability. It features anti-frost door heating, whi...

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Tensile Testing Machine LTTM-T2010

Tensile Testing Machine has a maximum test force of 30 KN, ensuring it can handle high-load testing with exceptional stability. It features a durable frame design that provides long-last...

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Standards

ISO 7500-1:2018-Metallic materials-Calibration and verification of static uniaxial testing machines-Part 1: Tension/compression testing machines

ISO 9513:2012-Metallic materials-Calibration of extensometer systems used in uniaxial testing

ISO 6892-1:2019-Metallic materials-Tensile testing-Part 1: Method of test at room temperature

ASTM E8/E8M-Standard Test Methods for Tension Testing of Metallic Materials

GB/T 228.1-2021-Metallic materials-Tensile testing-Part 1: Method of test at room temperature

Complies with the above standards, but is not limited to them.

Features

1. Tensile testing machine for measuring tensile strength, elongation and mechanical properties.

2. Universal testing machine (UTM) with load cell, grips, crosshead and software for tension/compression.

3. Suitable for materials testing: plastics, rubber, metal, textile, paper, packaging, composites.

4. Includes load frame, load cell, grips, controller, software, power cord and manual.

5. Supports tensile, compression, peel, tear, bend and shear tests per ASTM/ISO standards.

FAQ

Q1: What testing scenarios is this machine mainly applied to?

A: The tensile testing machine (universal testing machine, UTM) applies controlled force to specimens and measures load vs displacement to determine mechanical properties. Used for plastics (tensile strength, modulus, elongation at break - ASTM D638, ISO 527), rubber/elastomers (tensile, tear, abrasion - ASTM D412, ISO 37), metals (yield strength, ultimate tensile strength, elongation - ASTM E8, ISO 6892), textiles/fabrics (strip tensile, grab tensile - ASTM D5034, ISO 13934), paper/board (tensile, burst, tear - TAPPI), packaging (film tensile, seal strength, peel - ASTM D882, F88), composites (flexural, interlaminar shear - ASTM D790, D2344), wire/cable (insulation tensile - IEC 60811), and medical devices (suture tensile, catheter burst). Load capacity from 10 N (films) to 300 kN+ (metals). Software calculates stress-strain curves, modulus, yield, peak, break.

Q2: What standards does the machine comply with?

A: Complies with ASTM E4 (load cell calibration), ISO 7500-1 (static calibration of uniaxial testing machines, Class 0.5/1), ASTM D638/D412/D5034/D882/E8/D790, ISO 527/37/13934/6892, and GB/T standards. Hardware meets load accuracy (Class 0.5: +/-0.5% of reading down to 1% of capacity), displacement accuracy, speed accuracy, and alignment. For ISO 17025 labs, load cell calibrated with traceable weights (NIST), maintain as-found/as-left records. For medical device/pharma, follow FDA 21 CFR and IQ/OQ/PQ. Grips and fixtures must match standard specimen geometry (dogbone for plastics, dumbbell for rubber, strip for textiles).

Q3: What is the warranty period for the whole machine and key components?

A: Whole machine covered 12-24 months (some 3 years for frame). Load cell (wear - can be overloaded/damaged; 5-10 years proper use), grips/fixtures (wear - jaw faces wear, replace; 1-5 years), drive belt/screw (wear - 5-10 years), and extensometer (wear - if used, 3-7 years) are consumables/accessories. Damage from overloading load cell (exceeding capacity - permanent damage, expensive), improper grip use (slippage, jaw breaks), no safety guards, liquid spills, or unauthorized repair is excluded. Extended warranty and annual calibration service common for QC instruments. Frame 10-20 years; electronics 5-10 years; load cell 5-10 years (overload kills).

Q4: Is this device difficult to operate? Is professional training required?

A: Operation requires trained QC/lab personnel (familiar with test standards, specimen prep). Basic workflow: prepare specimen to standard dimensions (dogbone, strip, dumbbell), measure cross-section (width x thickness with caliper), install appropriate grips, clamp specimen (align vertically, no slack), set test parameters (speed, end conditions per standard), start test (machine pulls at constant speed, records load vs displacement), software calculates results (tensile strength = max load/area, elongation = extension/original length, modulus = slope of linear region). Training 1-3 days provided (standards, grip selection, software, calibration). Safety: moving crosshead pinch hazard (guards, emergency stop, keep hands away), load cell overload (do not exceed capacity), sharp specimen edges (gloves), sample fragmentation (brittle materials shatter - guards, eye protection). Do not operate without guards. Calibrate load cell regularly.

Q5: What is the typical lead-time for order delivery?

A: Standard models require 7-30 working days. In-stock units can ship within 3-7 working days. Custom configurations or large built-to-order systems may require additional time, and we confirm the exact schedule before order confirmation.

Q6: Is regular calibration required? What is the recommended calibration cycle?

A: Calibrate every 6-12 months: load cell with traceable weights (per ASTM E4/ISO 7500, multiple points including capacity), displacement with gauge block, speed with tachometer, and alignment. Routine: load cell zero before each test, verify with check weight weekly/monthly, inspect grips daily. Recalibrate after overload, load cell replacement, machine move, or drift. For ISO 17025/GMP, maintain records (weights ID, as-found/as-left, maintenance logs, IQ/OQ). For critical QC, verify load cell daily with proving ring or check weight. Extensometer calibrated separately (if used). Load cell is the heart - overloading invalidates all subsequent data until recalibration/replacement.

Q7: Are supporting consumables universal?

A: Load cell specific to machine brand/capacity (OEM or certified compatible - do not mix brands without calibration). Grips/fixtures specific (OEM or compatible; jaw faces replaceable). Calibration weights universal (NIST-traceable, correct class). Extensometer specific to machine/application. Long-term cost: grip face replacement (periodic), load cell replacement if overloaded ($500-$5000), fixtures for different standards. Energy cost low (intermittent use).

Q8: Can I customize parameters or supporting accessories?

A: Customization includes load capacity (10 N-5 kN single column for films/textiles; 5-50 kN dual column for plastics/rubber; 50-300+ kN floor model for metals/composites), test types (tension, compression, bend/flex, peel, tear, shear, creep), grips (pneumatic, manual, wedge, side-action, vise; various faces (serrated, rubber, smooth)), speed range (0.001-1000 mm/min), extensometer (clip-on, non-contact video, laser for accurate strain), environmental chamber (high/low temp testing), automation (robotic specimen loading, barcode), software (basic vs advanced: SPC, 21 CFR Part 11, LIMS, multi-standard library). Accessories: extra grips/fixtures, calibration weights, specimen cutters (dies), extensometer, environmental chamber, safety guards, validation package (IQ/OQ/PQ), certifications (CE, ISO 9001, IEC 61010, ASTM/ISO method compliance).

Q9: Does the purchase include on-site installation and commissioning service?

A: Standard delivery includes load frame, load cell, basic grips, controller/software, power cord, manual (calibration weights and specialized fixtures not included). On-site installation/calibration/training typically included or strongly recommended (leveling, load cell calibration, grip installation, software setup, user training on standards; manufacturer/certified technician standard, especially for regulated industries). Always calibrate load cell and run standard reference specimen before production. Heavy floor models require rigging.

Q10: What types of samples are compatible with this equipment?

A: Compatible: plastics (dogbone ASTM D638), rubber (dumbbell ASTM D412), metals (round/flat specimen ASTM E8), textiles (strip/grab), paper/film (strip), packaging (seal peel), composites (flexural), wire insulation, sutures, adhesives (lap shear), foams (compression/tensile). Not compatible: samples beyond load capacity (use larger machine or smaller specimen), liquids/powders/pastes (need special fixtures or not applicable), specimens requiring impact testing (use impact tester, not UTM), fatigue/cyclic loading (use fatigue tester - static UTM not for high-cycle), or very small/weak samples below load cell resolution (use micro-tester/nanoindenter). Specimen must be prepared to standard geometry (use precision cutter/die) - improper prep causes invalid breaks (jaw breaks, off-center). Always measure cross-section accurately (tensile strength = load/area).