1、Designation:F313114Standard Specification forEpoxy/Cotton Raw Materials for the Use in Bearing Cages1This standard is issued under the fixed designation F3131;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.
2、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 specification covers basic characteristics requiredfor porous laminated Epoxy materials intended for use asinstrument and thin-secti
3、on ball-bearing retainers(cages)andthe methods of determining these characteristics.1.2 FormsSheets and Rolled Tubes are recommendedforms of laminated material covered by this specification.1.3 Intended UseMaterials produced to this specificationare intended for use as ball bearing retainers(cages).
4、Tempera-ture range is limited to 284F(140C)and below1.4 UnitsThe values stated in inch-pound units are to beregarded as the standard.The values given in parentheses aremathematical conversions to SI units that are provided forinformation only and are not considered standard.1.5 This standard does no
5、t purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:2D
6、618 Practice for Conditioning Plastics for TestingD229 Test Methods for Rigid Sheet and Plate MaterialsUsed for Electrical InsulationD570 Test Method for Water Absorption of PlasticsD695 Test Method for Compressive Properties of RigidPlasticsD790 Test Methods for Flexural Properties of Unreinforceda
7、nd Reinforced Plastics and Electrical Insulating Materi-alsD792 Test Methods for Density and Specific Gravity(Rela-tive Density)of Plastics by DisplacementD2257 Test Method for Extractable Matter in TextilesE1640 Test Method for Assignment of the Glass TransitionTemperature By Dynamic Mechanical Ana
8、lysis2.2 ANSI/ASQC Standards:3ANSI/ASQC Z1.4 Sampling Procedures and Tables for In-spection by Attributes2.3 Federal Standard:4MIL-STD-129 Military Making for Shipment and Storage3.Material and Test Conditioning3.1 Material Conditioning Prior to Tests:(designation asfollows)3.1.1 A number indicating
9、 in degrees Celsius the condition-ing temperature,or3.1.2 A number indicating relative humidity,whenever hu-midity is controlled,or a word to indicate immersion in liquid.3.2 The numbers shall be separated from each other by aslant marks.A sequence of conditions shall be denoted by useof a plus(+)si
10、gn between successive conditions.“Des”shallbe used to indicate desiccation over anhydrous calcium chlo-ride.A capital letter“T”(test condition)following the priormaterial conditioning designation shall be separated by acolon,with the testing condition noted in the same format asthe material conditio
11、ning.Temperature and relative humiditytolerances shall be in accordance with Practice D618 Section 7,unless otherwise specified.3.2.1 EXAMPLES:3.2.1.1C-96/35/90 Humidity conditioning 96 h at95F,(35C)and 90%relative humidity.3.2.1.2 E-48/50Temperature conditioning-48 h at 122F,(50C).3.2.1.3 D1-24/23I
12、mmersion conditioning-24 h in dis-tilled water at 73.4F,(23C),followed by E-1/105-tempera-ture conditioning-1 h at 221F,(105C).3.3 Standard Procedures:3.3.1 Procedure A:3.3.1.1 Condition A40/23/50 for thickness equal or lessthan 0.250 in.,(7mm)or Condition A-88/23/50 for thickness1This specification
13、 is under the jurisdiction ofASTM Committee F34 on RollingElement Bearings and is the direct responsibility of Subcommittee F34.06 onAerospace.Current edition approved Dec.1,2014.Published January 2015.DOI:10.1520/F3131142For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact AS
14、TM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3Available from American Society for Quality(ASQ),600 N.Plankinton Ave.,Milwaukee,WI 53203,http:/www.asq.org.4DLA Document Services Building 4/D
15、700 Robbins Avenue Philadelphia,PA19111-5094 http:/quicksearch.dla.mil/Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 greater than 0.250 in.,(7mm)Standard Laboratory atmospherefor a minimum of either 40 h or 88 h,dependent on thickness,a
16、t 73.4F(23C)and 50%relative humidity.3.3.2 Procedure D:3.3.2.1 Condition D124/23 See example above.3.3.2.2 Condition D24/23 Immersion conditioning-24h at 73.4F,(23C).3.3.2.3 Condition D48/50 Immersion conditioning-48h at 122F,(50C).3.3.3 Procedure E:3.3.3.1 Condition E-1/150:T-150 Temperature condition-ing-1 h at 302F,(150C)-immediately followed with Test at302F,(150C).3.3.3.2 Condition E48/50 See example above.3.3.3.3 Condition E168/185 Temperature conditioning 168 h at 365F,(185C).4.Classifica
