ASTM D5252-98a

Standard Practice for the Operation of the Hexapod Drum Tester

SCOPE
1.1 This practice describes the equipment and operation of the hexapod drum tester for testing pile floor covering to produce changes in appearance and color due to changes in surface structure by mechanical action.
1.2 This practice is only applicable to unused pile floor covering of all types which are tested under standard textile conditions.
1.3 This practice cannot be used to predict the pilling characteristics of pile floor covering.
1.4 This practice may be used by mutual agreement between the purchaser and supplier to set purchasing specifications.
1.5 The values stated in inch-pound units are to be regarded as the standard for all measurements except mass. The SI (metric) values for all measurements except mass are provided for information purposes only.  
1.6 This practice does not purport to address all of the safety problems associated with its use. It is the responsibility of the user of this practice to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

General Information

• Status: Historical
• Publication Date: 31-Dec-1991
• ICS: 59.080.60 - Textile floor coverings
• ICS: 97.150 - Floor coverings
• Technical Committee: D13 - Textiles
• Drafting Committee: D13.21 - Pile Floor Coverings

Relations

• Replaced By: ASTM D5252-98a(2003) - Standard Practice for the Operation of the Hexapod Drum Tester
• Effective Date: 10-Apr-1998
• Referred By: ASTM D5684-19a - Standard Terminology Relating to Pile Floor Coverings
• Effective Date: 01-Jan-1992
• Referred By: ASTM D6719-22e1 - Standard Guide for Standard Test Methods and Practices for Evaluating Pile Yarn Floor Covering
• Effective Date: 01-Jan-1992
• Referred By: ASTM D7330-22 - Standard Test Method for Assessment of Surface Appearance Change in Pile Floor Coverings Using Standard Reference Scales
• Effective Date: 01-Jan-1992

Standards Content (Sample)

NOTICE: This standard has either been superceded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
Designation: D 5252 – 98a
Standard Practice for
the Operation of the Hexapod Tumble Drum Tester
This standard is issued under the fixed designation D 5252; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope mounted inside the rotatable drum with the pile surface
exposed. A metal hexapod, with six polyurethane studs, rolls
1.1 This practice describes the equipment and operation of
randomly on the pile surface inside the rotating drum for a
the hexapod tumble drum tester for testing pile floor covering
specified number of revolutions.
to produce changes in appearance and color due to changes in
surface structure by mechanical action tester.
5. Significance and Use
1.2 This practice is applicable for use in testing unused pile
5.1 This equipment may be used to bring about the changes
floor covering of all types. It is not applicable for use in testing
in appearance and texture on the surface of pile floor covering
used pile yarn floor coverings.
caused by mechanical action.
1.3 This practice may be used by mutual agreement between
the purchaser and supplier to set purchasing specifications.
6. Apparatus, Materials, and Reagent
1.4 The values stated in either SI or inch-pound units are to
6.1 Hexapod Tumble Tester
be regarded separately as the standard. Within the text, the
6.1.1 Drum—Constructed of polyvinyl chloride (PVC) and
inch-pound units are shown in parentheses. The values in each
capped by a lid that is secured by a metal plate and wing nut.
system must be used independently of the other. Combining
The drum base and lid have a locating groove to hold the
values from the two systems may result in nonconformance
specimen backing sheet flat to the inner wall of the drum. The
with this practice. In case of referee decisions, the SI units shall
drum dimensions are:
prevail.
Internal Diameter 305 6 1 mm (12 6 0.01 in.)
1.5 This practice does not purport to address all of the
Wall Thickness 8 mm approx. (0.3 in.
safety concerns, if any, associated with its use. It is the
approx.)
Internal Depth 200 6 1 mm (7.9 6 0.01 in.)
responsibility of the user of this practice to establish appro-
priate safety and health practices and determine the applica-
6.1.2 Driving System, which cradles the drum on rollers and
bility of regulatory limitations prior to use.
keeps the axis of the drum level, and rotates at 3.6 6 0.2 rad/s
(35 6 2 rpm). The driving direction reverses every 15 min with
2. Referenced Documents
approximately one-minute stationery time intervals.
2.1 ASTM Standards:
6.1.3 Hexapod Tumbler—Compromised of a mild steel 50
D 123 Terminology Relating to Textiles
6 1 mm (1.97 6 0.04 in.) cube with 25-mm (1-in.) thick plates
D 418 Methods of Testing Pile Yarn Floor Covering Con-
welded to each side. The outside corners are welded such that
struction
when the studs are fitted and the hexapod placed on a flat
D 1776 Practice for Conditioning Textiles for Testing
surface, no metal touches the flat surface. A replaceable stud
D 5684 Terminology Relating to Pile Floor Covering
is screwed centrally in each face. Tumbler parameters are:
Diameter of Stud 40 6 1 mm (1.6 6 0.04 in.)
3. Terminology
Height of Stud 15 6 1 mm (0.6 6 0.04 in.)
3.1 Definitions—For definitions of pile yarn floor covering Edge of Radius Stud 156 1 mm (0.6 6 0.04 in.)
Steel Backing for Polyurethane
related terms used in this practice, refer to Terminology
Stud Hardness 80 6 10 Type A Durometer
D 5684. For definitions of other textile terms used in this
Stud Thickness 3 6 0.25 mm (0.12 6 0.01 in.)
practice, refer to Terminology D 123.
Total mass of hexapod tumbler with six studs is 3.8 6 0.1
kg. (8.4 6 0.2 lb).
4. Summary of Practice
6.2 Specimen Backing Sheet, polyethylene approx.
4.1 The specimen is secured to a backing sheet that is
950 3 215 3 2 mm (approx. 375 3 8.5 3 0.08 in.).
6.3 Tape, double-sided adhesive, 50 mm (2.0 in.) width.
This practice is under the jurisdiction of ASTM Committee D-13 on Textiles
6.4 Vacuum Cleaner—An upright type vacuum cleaner,
and is the direct responsibility of Subcommittee D13.21 on Pile Floor Coverings.
with a rotating brush and beater bar, unless this type of
Current edition approved April 10, 1998. Published September 1998. Originally
apparatus is not recommended by the manufacturer of the pile
published as D 5252 – 92. Last previous edition D 5252 – 98.
floor covering under test, in which case the appropriate
Annual Book of ASTM Standards, Vol 07.01.
Annual Book of ASTM Standards, Vol 07.02.
Copyright © ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959, United States.
NOTICE: This standard has either been superceded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
...