Hot-air balloon textiles strength tests

This test system is perfectly suited to our needs, giving us the flexibility we require to perform multiple tests with the certainty of obtaining reliable, accurate results. Undertaking these quality measurements in-house means we are also saving significant costs, as we no longer require the services of external test laboratories.

Jordi Vives-Tallo, Engineer
Ultra Magic, Spain

Specification

Ultra Magic is the second largest hot air balloon manufacturer in the world. For obvious safety reasons, the material used must conform to strict standards applicable to the aeronautical industry. This requires the company to make controlled assessments of the material used in different areas of the balloon 'envelope'.

Ultra Magic wanted a test system to perform tensile strength tests on the balloon cloth. The main part of the envelope is manufactured from nylon, which is coated in a sealer, such as silicone, making it impermeable to air, whereas the mouth of the balloon is manufactured using heat resistant material.

Solution

Mecmesin supplied a MultiTest 2.5-d, capable of measuring tensile forces up to 2500 N, an Advanced Force Gauge (AFG) and a pair of large single-action vice grips (wave form jaws). Ultra Magic needed to perform the same test for the different fabrics and coatings used to manufacture the envelope.

The supplier tests samples that are 45mm in width and 120 mm in length. Each sample is secured within the wave form jaws before performing the tensile test at a speed of 50 mm/min. Depending upon the material, tensile forces are expected to be within the region of 700 N - 1100 N.

For optimum result accuracy, wave form jaws are used as they are able to grip the samples securely, without pinching, and therefore weakening the material at these points. Ultra Magic also use the system to perform a number of other tests, including:

Testing tensile strength of balloon cloth fabric subjected to an accelerated ageing process. This is produced from the radiation of a xenon lamp, and is undertaken to predict the effect of sunlight on the fabric over time.

Performing a tear test on balloon cloth fabric, which is undertaken on a test sample, 50 mm in width, at a speed of 50 mm/min, where forces range from 50N to over 350N.
Undertaking tensile tests on seams and fasteners to establish maximum strength.

System

  • MultiTest 2.5-d (superseded by the MultiTest-dV series)
  • AFG (Advanced Force Gauge)
  • Pair of Large, Single-Action Vice Grips - Wave Form Jaws

AFGDigital force gauge

Advanced
AFG

The Advanced Force Gauge (AFG) is the most versatile, fully-featured digital instrument from Mecmesin.

Accurate to an outstanding ±0.1% f.s. with models from 2.5 to 2500 N, it is ideal for mounting to a test stand or use as a hand-held device.

Full of useful features to help you solve almost any tension and compression measurement problem.

Product image of Advanced Force Gauge (AFG) handheld force measurement instrument by Mecmesin
Basic
BFG

The Basic Force Gauge (BFG) is the core digital instrument for tension and compression measurement from Mecmesin, covering load ranges from 10 to 2500 N.

A portable, affordable and easy-to-use force measurement solution with ‘live’ load display and ultimate peak hold capture.

Product image of Basic Force Gauge (BFG) handheld force measurement instrument by Mecmesin
Compact
CFG+

The Compact Force Gauge (CFG+) is the entry-level, low-cost digital force gauge from Mecmesin.

It is suitable for elementary tension and compression tests ranging from 50 to 500 N.

This lightweight, pocket-sized digital alternative to mechanical force gauges is ideal for non-critical applications that require peak measurements.

Product image of Compact Force Gauge (CFG+) handheld force measurement instrument by Mecmesin

The Advanced Force Gauge (AFG) is the most versatile, fully-featured digital instrument from Mecmesin.

Accurate to an outstanding ± 0.1% f.s. with models from 2.5 to 2500 N, it is ideal for mounting to a test stand or use as a hand-held device.

Full of useful features to help you solve almost any tension and compression measurement problem.

MultiTest-dVMotorised force tester

Product Tester
MultiTest-dV with AFG

The MultiTest-dV range integrates perfectly with our Advanced Force Gauge, making it a popular configuration for standalone applications that require the capture of a peak load value.

Expand its capabilities by connecting to VectorPro Lite software for presenting data graphically and performing calculations to see test results.

Product image of MultiTest-dV motorised force tester with Advanced Force Gauge for tension and compression testing by Mecmesin
Materials Tester
MultiTest-dV with ELS

The MultiTest-dV range configured with an Enhanced Load Sensor, VectorPro MT software and an optional extensometer, transforms this motorised force tester into a basic materials tester.

This makes the MultiTest-dV the ideal choice for quality assurance checks in the QC lab and gives it the power necessary for more in-depth analysis of material properties in the R&D laboratory.

Product image of MultiTest-dV motorised force tester with ELS for materials testing by Mecmesin

The MultiTest-dV is a versatile and easy to use stand-alone force tester.

Ideal for routine quality control in a production or laboratory environment, with three models rated to 0.5 kN, 1 kN and 2.5 kN.

A motorised test stand can be configured with a Digital Force Gauge for product testing or an Enhanced Load Sensor for basic materials testing.

 

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