1、Designation: F1409 00 (Reapproved 2010)F1409 16 An American National StandardStandard Test Method forStraight Line Movement of Vacuum Cleaners While CleaningCarpets1This standard is issued under the fixed designation F1409; the number immediately following the designation indicates the year oforigin
2、al adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope1.1 This test method covers thea measurement of the relative work req
3、uired to move the carpet cleaning mechanism of anupright, canister, stick, or combination vacuum cleaner in a straight line with forward and backward stroking on a selection oftypical carpeted surfaces.1.1.1 This test method measures only the horizontal component of work required to move the vacuum
4、cleaner on carpet.1.2 This test method can be used in the testing of household and commercial vacuum cleaners.1.3 This test method measures the relative work needed to move the vacuum cleaner with its motor or motors in operation.1.4 This test method applies to the vacuum cleaning of carpets only.1.
5、5 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematicalconversions to SI units that are provided for information only and are not considered standard.1.6 This standard does not purport to address all of the safety concerns, if any, ass
6、ociated with its use. It is the responsibilityof the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatorylimitations prior to use.2. Referenced Documents2.1 ASTM Standards:2F608 Test Method for Evaluation of Carpet Embedded Dirt Rem
7、oval Effectiveness of Household/Commercial Vacuum CleanersF655 Specification for Test Carpets and Pads for Vacuum Cleaner TestingF884 Test Method for Motor Life Evaluation of a Built-In (Central Vacuum) Vacuum CleanerF922 Test Method for Motor Life Evaluation of an Electric Motorized NozzleF1038 Tes
8、t Method for Motor Life Evaluation of a Canister, Hand-held, Stick, and Utility Type Vacuum Cleaner Without aDriven AgitatorF1334 Test Method for Determining A-Weighted Sound Power Level of Vacuum Cleaners2.2 ASTM Adjunct:3Mobility fixture book3. Summary of Test Method3.1 The carpet cleaning mechani
9、sm of Mobility equipment is to be constructed and used to push the vacuum cleaner is movedback and forth on the test carpet in a prescribed manner during the test. A The mobility equipment is to employ a handle clampassembly with a strain gage is gage, to be attached to the vacuum cleaner at the loc
10、ation where the users working hand usuallygrips the carpet cleaning mechanism. This handle. This strain gage measures the force horizontal forces involved in moving onlythe carpet cleaning mechanism. vacuum on the test carpet.3.2 Simultaneously, by means of a rod pivotally mounted to the test fixtur
11、e, the the incremental distance that the vacuum cleanermoves is monitored. also monitored and collected. The force and distance signalsmeasurements are then introduced into anused1 This test method is under the jurisdiction of ASTM Committee F11 on Vacuum Cleaners and is the direct responsibility of
12、 Subcommittee F11.20 on Performance (TestMethods).Current edition approved Oct. 1, 2010Nov. 1, 2016. Published December 2010December 2016. Originally approved in 1992. Last previous edition approved in 20052010as F1409 00 (2005).(2010). DOI: 10.1520/F1409-00R10.10.1520/F1409-16.2 For referencedASTM
13、standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume information, refer to the standards Document Summary page on the ASTM website.This document is not an ASTM standard and is intended only to provide the user of
14、an ASTM standard an indication of what changes have been made to the previous version. Becauseit may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current versionof the standard as publ
15、ished by ASTM is to be considered the official document.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States1for calculating X-Ythe recorder that produces a plot from which relative work is determined. Alternate data acquisition andcomputi
16、ng methods are acceptable.work required to push and pull the vacuum on the test carpet.3.3 The design of the mobility equipment used in this method is left to the user to develop and construct as there are numerousdesign approaches that may be employed for this evaluation. The mobility equipment may
17、 be designed to move the vacuumautomatically or manually. Photographs of one design used in the industry to move the vacuum without the assistance of atechnician is provided in Figs. 1-3. It is highly recommended that data acquisition and computerization, with a data sampling rateof at least ten sam
18、ples per second, be utilized to improve the speed and accuracy of data measurements.4. Significance and Use4.1 This test method measures the horizontal component of the relative work required by the user during the cleaning operationfor the movement of a vacuum cleaner in the home or other cleaning
19、location. Relative work is defined as the work measured bythe equipment described in this test method.location on standardized laboratory carpeting. Work is determined from the forcesmeasured in the horizontal direction only by the mobility equipment.4.2 This measurement is relative to the work perf
20、ormed by the user of vacuum cleaners and may be used for comparisonbetween vacuum cleaners.4.3 The relation between actual vacuum cleaner usage and the method of operation is valid only if the vacuum cleaner useroperates the vacuum cleaner properly and in accordance with the manufacturers instructio
21、ns.5. Apparatus5.1 Mobility Fixture.35.2 Test Platform (see 5.1 and Fig. 1).5.3 Distance Monitor (see 5.1 and Fig. 1).5.1 Uniform Stroke Speed Indicator Mobility Equipment, (seeto 5.1 and move Fig. 1), or other type of equipment capable ofestablishing the rate or movement of the carpet cleaning mech
22、anism as specified in Sectionthe vacuum cleaner for measuring anddetermining relative work. This equipment is to 9.be designed and developed by the user.5.2 Force Measuring Device and Auxiliary Equipment, Calibration Weightsgiving readings accurate to within 65 %.Preci-sion weights for calibrating t
23、he force measuring instrumentation.At least three calibration weights shall be employed to check andensure linear calibration of the instrumentation. The precision weights are based on the maximum rating of the load cell/strain gagethat is used, and shall include a 5 lb weight, a half scale weight,
24、and a full scale weight.5.5.1 Strain Gage (see 5.1 and Fig. 1).5.5.2 Load Cell Power Supply (see 5.1 and Fig. 1).5.5.3 X-Y Recorder (see 5.1 and Fig. 1).FIG. 1 ASTM Mobility Fixture and Associated EquipmentF1409 162NOTE 1The graph paper plot size should be 4 4 in. (10 divisions per in. with the smal
25、lest increment equal to 0.1 in.). Increments along X axis equal2 ft/in. Increments along Y axis equal 10 lb/in.5.5.4 PlanimeterElectronic integrator or suitable method of measurement.5.5.5 Calibration Weights5, 10, and 20 lb.5.3 Test Carpets, as specified in Specification F655. Test carpets shall be
26、 stored in a vertical position with no weight on the testsurface.NOTE 2Test carpets should be stored in a vertical position with no weight on the test surface.FIG. 2 Adjustment Angle (Pivoting Handle)Strain Gage and Handle ClampFIG. 3 Adjustment Angle (Nonpivoting Handle)Motion Drive and Data Collec
27、tion ComputerFIG. 4 Typical Forward and Reverse Stroke CurveF1409 163NOTE 1The test carpets for relative work testing should be limited to that use and not used for other tests such as cleanability.5.4 Padding, beneath test carpet, as specified in Specification F655.5.5 Temperature and Humidity Indi
28、cators, to provide temperature measurements accurate to 61F (60.5C) and 62 % relativehumidity.5.6 Voltmeter, to measure input voltage to the vacuum cleaner, capable of providing measurements accurate within 61 %.5.7 Voltage Regulator System, to control input voltage to the vacuum cleaner. The regula
29、tor system shall be capable ofmaintaining the vacuum cleaners rated voltage A, select an additional unit from the population and test, and repeat the computations of A1.2.3 A1.2.7.A1.2.9 If the value of ts/=n 4.276. The requirement that ts/=n A has not been met because s is large. Therefore, an addi
30、tional test unit fromthe population shall be tested.A1.3.15 Score of Test Unit No. 4 = 84.5A1.3.16 x = 14 (81.7 + 88.3 + 86.6 + 84.5) = 85.3F1409 1613A1.3.17s5 (A1.7)481.7!2188.3!2186.6!2184.5!2#281.7188.3186.6184.5#24421!s = 2.845A1.3.18 A = 0.05 (85.3) = 4.264A1.3.19 Degrees of freedom, n 1 = 4 1
31、= 3t0.95 statistic = 2.353A1.3.20 ts/=n52.353 2.845!/=453.347A1.3.21 3.347 4.264 (meets requirements)A1.3.22 Thus, the value of x, 85.3, represents the relative work score for the cleaner model tested on plush carpet and may beused as the best estimate of the relative work rating for the population
32、mean on plush carpet.A1.3.23 Thus, the 85.3 represents the relative work in ft/lb for the given cleaner on the given carpet. Repeat the test method forthe remaining two or more cleaners until a 90 % confidence level is reached and the repeatability and reproducibility statementsestablished by interl
33、aboratory testing are met.A1.3.24 Run each cleaner on all four styles of test carpets.ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this standard. Users of this standard are expressly advised that determination of t
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