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    UL 60335-2-24 CRD-2017 UL Standard for Saftey Household and Similar Electrical Appliances C Safety C Part 2-24 Particular Requirements for Refrigerating Appliances Ice-Cream Appliar.pdf

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    UL 60335-2-24 CRD-2017 UL Standard for Saftey Household and Similar Electrical Appliances C Safety C Part 2-24 Particular Requirements for Refrigerating Appliances Ice-Cream Appliar.pdf

    1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULUNDERWRITERS LABORATORIES INC. CERTIFICATION REQUIREMENT DECISIONThis Certification Requirement Decision is prepared by UL LLC. It is normative for the applicable ULProduct Certification Program(

    2、s); however, it is currently not part of the UL Standard(s) referencedbelow.Product Category (CCN): SHZZ, SHMRStandard Number: UL 60335-2-24Standard Title: Standard for Household and Similar Electrical Appliances Safety Part 2-24: Particular Requirements for Refrigerating Appliances, Ice-CreamApplia

    3、nces and Ice-MakersEdition Date: April 28, 2017Edition Number: 2Section / Paragraph Reference: 20.2DV.2, Annexes 101.DVA, 101.DVFSubject: Articulate (Child) Probe Dimensions and TolerancesDECISION:20.2DV.2 D1 Modification of Clause 20.2 of the Part 1 to add the following after the fourthparagraph:Fo

    4、r openings with a minor dimension equal to or greater than 34,9 mm (1-3/8 in), compliance shallbe checked by inspection and by applying the test probes of Annex 101.DVA with a force of 11,1N (2,5 lb). The probes shall be rotated or angled to any possible position before, during, or afterinsertion th

    5、rough the opening, and if necessary, the probe configuration shall be changed after theprobe has been inserted through the opening. See Annex 101.DVFThis is generated text for figtxt.UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULFigure 101.D

    6、VA.1 Articulate probe with flat and cone shaped hand 3.5 4.5 year ageItem Dimension description Dimensionmm (in)A Middle finger length, 95 percentile 55 (2,2)B Middle finger diameter, 5 percentile 9,1 (0,36)C Hand length, 95 percentile 125 (5)D Elbow to wrist length, 95 percentile 165 (6)E Wrist dia

    7、meter (circumference divided by pi), 5 percentile 32 (1,3)F Forearm diameter (circumference divided by pi), 5 percentile 46 (1,8)G Minimum hand CLEARANCE (cone shaped hand part), 5 percentile 39,1 (1,54)H Cone shaped part at finger attachment 20 (0,79)I Hand breadth (flat hand part), 5 percentile 48

    8、 (1,9)J Wrist breadth (used for the hand thickness flat hand part), 5 percentile 24 (0,9)K Hand breadth at finger attachment (flat hand part) 36 (1,4)L Upper arm length, 95 percentile a aNotes:1 The probes were designed with a center pin to rotate the hand with respect to the lower arm. That motion

    9、can beequivalently represented by rotating the probe.2 The finger tip is developed to match the dimensions of the UL articulated probe. The diameter from the tip to the firstjoint then tapers from the tip dimensions to the finger diameter. The joints are spaced equally along the finger length.3 The

    10、probe is designed to permit the hand to bend with respect to the arm using a hinge pin located 6 mm (0,24 in)from the hand length (wrist end) and the hand is restricted in bending not more than 90 with respect to the arm.aIf the upper arm is required to evaluate a part it shall consist of a flexible

    11、 tube attached at the end of the lower arm, asthe exact position of the elbow cannot be readily determined from the data points chosen.STANDARD NUMBER: UL 60335-2-24 -2-UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULFigure 101.DVA.2 Articulat

    12、e probe with flat and cone shaped hand 10.5 11.5 year ageItem Dimension description Dimensionmm (in)A Middle finger length, 95 percentile 77 (3)B Middle finger diameter, 5 percentile 11,4 (0,46)C Hand length, 95 percentile 173 (7)D Elbow to wrist length, 95 percentile 235 (9)E Wrist diameter (circum

    13、ference divided by pi), 5 percentile 37 (1,5)F Forearm diameter (circumference divided by pi), 5 percentile 57 (2,2)G Minimum hand CLEARANCE (cone shaped hand part), 5 percentile 49,4 (1,94)H Cone shaped part at finger attachment 25 (1)I Hand breadth (flat hand part), 5 percentile 62 (2,4)J Wrist br

    14、eadth (used for the hand thickness flat hand part), 5 percentile 29 (1,1)K Hand breadth at finger attachment (flat hand part) 46 (1,8)L Upper arm length, 95 percentile a aNotes:1 The probes were designed with a center pin to rotate the hand with respect to the lower arm. That motion can beequivalent

    15、ly represented by rotating the probe.2 The finger tip is developed to match the dimensions of the UL articulated probe. The diameter from the tip to the firstjoint then tapers from the tip dimensions to the finger diameter. The joints are spaced equally along the finger length.3 The probe is designe

    16、d to permit the hand to bend with respect to the arm using a hinge pin located 6 mm (0,24 in)from the hand length (wrist end) and the hand is restricted in bending not more than 90 with respect to the arm.aIf the upper arm is required to evaluate a part it shall consist of a flexible tube attached a

    17、t the end of the lower arm, asthe exact position of the elbow cannot be readily determined from the data points chosen.STANDARD NUMBER: UL 60335-2-24 -3-UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULANNEX 101.DVF (Normative)101.DVF.1 Probe T

    18、olerancesTable 101.DVF.1 Linear probe tolerances(See Clause 20.2DV.2 and Figures 101.DVA.1 and 101.DVA.2)Linear dimensions Range ToleranceAllAllUpto1mm 0.05 mm1to25mm 0.1 mm25 mm and above 0.5%Table 101.DVF.2 Angular probe tolerances(See Clause 20.2DV.2 and Figures 101.DVA.1 and 101.DVA.2)Angles Ran

    19、ge ToleranceAll All 1RATIONALE FOR DECISION:UL 60335-2-24 has included accessibility probes in Annex 101.DVA. These probes represent childrenshands and arms, and are intended to determine if there is a hazard with respect to moving parts of theappliance. Tolerances are needed for the manufacturing o

    20、f these probes, so Annex 101.DVF has beendeveloped to show applicable tolerances.In addition, the inch-pound dimensions for the various parts of the probes that are currently in Figures101.DVA.1 and 101.DVA.2 were determined via a “soft conversion” of the SI dimensions. Since these I-Pdimensions are

    21、nt accurate enough, they are being removed.Copyright 2017 UL LLCUL LLC, in performing its functions in accordance with its objectives, does not guarantee or warrant thecorrectness of Certification Requirement Decisions it may issue or that they will be recognized or adoptedby anyone. Certification R

    22、equirement Decisions are the opinion of UL LLC. in practically applying therequirements of the standard. They do not represent formal interpretations of the standard underAmerican National Standards Institute (ANSI) processes. UL LLC shall not be responsible to anyone forthe use of or reliance upon

    23、Certification Requirement Decisions by anyone. UL LLC shall not incur anyobligation or liability for damages, including consequential damages, arising out of or in connection withthe use or reliance upon Certification Requirement Decisions. The electronic version of the CertificationRequirement Decision is the current version and previously printed copies may be outdated.This document is published as a service to ULs certification customersSTANDARD NUMBER: UL 60335-2-24 -4-


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