Poling Group News   |   Volume 4  |   Issue 1

Customized Solutions for Laboratory Testing

New tire standards and labeling requirements emerging from countries outside the Americas and Europe have increased the demand for related testing equipment from:

• Government agencies that will enforce the standards they adopt.
• Tire Manufacturers who must now meet standards for both global export and domestic markets.
• Test Centers operated by third parties who provide testing for smaller tire manufacturers or industry trade groups.

The purchase of tire testing machines requires a strategy that considers factors like the range of tires being tested, the types of testing being performed, and the space available for the needed equipment.

Upon developing a strategy, a facility may find that “standard” tire testing machines cannot fulfill all their requirements—or do so in the most cost effective way.

Consider Customized

The Poling Group, a world leader in tire testing equipment, provides standard machines with a host of selectable options as well as customized equipment to help facilities make the most of their equipment investment.

The photograph above shows a tire durability/endurance tester that Poling Group company ASMHasbach recently designed and built for the testing laboratory of a notable tire manufacturer. The tire company exports to over 100 countries, in addition to supplying a domestic market that recently implemented tire labeling on a voluntary basis.

Cost Efficient with High Throughput

Like many testing facilities and manufacturing QA departments, this tire maker found the bulk of its testing efforts focused on tire durability and endurance. This type of testing, a primary requirement for most standards bureaus, often requires lengthy test cycles (as opposed to other, typically shorter tests like camber or high speed).

The acquisition of this customized 6- position horizontal machine allowed the tire maker to achieve 50% more productivity over a “standard” 4-
position machine, with only a 10% increase in equipment cost.

Most of the cost savings came from the horizontal drum and spindle arrangement that tests up to six tires, as compared to the standard
vertical drum and spindle that can test only one or two tires at a time. The single drum and spindle also means less framing, motors, drives,
and bearings.

This novel arrangement required designers to overcome special challenges to ensure a robust machine that would exceed the demanding requirements of standards testing. For example, the drum axle had to resist bending moment induced by a variety of individual loads that can be
randomly distributed across the six stations. Excessive bending moment, if not handled correctly, leads to premature bearing failure.

The selection of top and bottom bearings for the horizontal drum also required special consideration, as compared to selecting the less complex side bearings required for vertical drum placement.

ASM-Hasbach drew upon a rich and long tradition of key R&D equipment design and development to deliver this machine, which enables each station to have its own tire loading capability and individual test program that can be paused and then resumed, as desired.

In addition to durability and endurance testing, the machine also provides ambient temperature readings and options that include:

• Inside/outside tire temperature
• Tire pressure regulation
• Tire deflection
• Rolling radius and circumference

 

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