ASTM_D_1666_-_22.pdf

Designation:D166622Standard Test Methods forConducting Machining Tests of Wood and Wood-Base PanelMaterials1This standard is issued under the fixed designation D1666;the number immediately following the designation indicates the year oforiginal 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.INTRODUCTIONOne of the significant characteristics of wood and wood-base panels is the facility with which theycan be machined and fabricated.Different species and products,however,vary greatly in theirbehavior under cutting tools,so that some systematic method is needed for determining theirsuitability for uses where the character of the machined surface is of prime importance.Such usesinclude cabinetwork,millwork,and other applications where favorable machining properties areessential to good finish.For such products as common boards,on the other hand,good machiningproperties are secondary,although still an asset.The machining test procedures presented in these test methods cover such common operations asplaning,routing/shaping,turning,boring,mortising,and sanding.They are the result of many yearsof extensive research and development and include practical methods for qualitatively evaluating andinterpreting the results.Because of their satisfactory use with a wide range of materials,it is believedthat the methods are equally applicable to all species of hardwoods and softwoods,and to wood-basepanel materials,such as plywood,particleboard,fiberboard,and hardboard.1.Scope1.1 These test methods cover procedures for planing,routing/shaping,turning,mortising,boring,and sanding,all ofwhich are common wood-working operations used in themanufacture of wood products.These tests apply,in differentdegrees,to two general classes of materials:1.1.1 Wood in the form of lumber,and1.1.2 Wood-base panel materials such as plywood andwood-base fiber and particle panels.1.2 Because of the importance of planing,some of thevariables that affect the results of this operation are exploredwith a view to determining optimum conditions.In most of theother tests,however,it is necessary to limit the work to one setof fairly typical commercial conditions in which all thedifferent woods are treated alike.1.3 Several factors enter into any complete appraisal of themachining properties of a given wood or wood-base panel.Quality of finished surface is recommended as the basis forevaluation of machining properties.Rate of dulling of cuttingtools and power consumed in cutting are also importantconsiderations but are beyond the scope of these test methods.1.4 Although the methods presented include the results ofprogressive developments in the evaluation of machiningproperties,further improvements are anticipated.For example,by present procedures,quality of the finished surface isevaluated by visual inspection,but as new mechanical orphysical techniques become available that will afford improvedprecision of evaluation,they should be employed.1.5 The values stated in inch-pound units are to be regardedas standard.The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.1.6 This standard does not 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.1.7 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for the1These test methods are under the jurisdiction of ASTM Committee D07 onWood and are the direct responsibility of Subcommittee D07.01 on FundamentalTest Methods and Properties.Current edition approved Aug.1,2022.Published August 2022.Originallyapproved in 1959.Last previous edition approved in 2017 as D1666 17.DOI:10.1520/D1666-22.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1Development of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:D9 Terminology Relating to Wood and Wood-Based Prod-uctsD1038 Terminology Relating to Veneer,Plywood,and WoodStructural PanelsD1554 Terminology Relating to Wood-Base Fiber and Par-ticle Panel MaterialsD2395 Test Methods for Density and Specific Gravity(Rela-tive Density)of W