標準編號:	GB/T 12620-2008
中文名稱:	長圓孔、長方孔和圓孔篩板
英文名稱:	Round and elongated apertures with round and square plate screens
中標分類:	A28    篩分、篩板與篩網
行業分類:	GB    國家標準
ICS分類:	73.120 73.120    礦產加工設備 73.120
發布機構:	中華人民共和國建設部 國家質量監督檢驗檢疫總局
發布日期:	April 16, 2008
實施日期:	2008-10-1
標準狀態:	valid
替代舊標準:	GB/T 3943-1983 GB/T 12620-1990 長圓孔和長方孔篩板
翻譯語言:	英文
文件格式:	PDF
中文字符數:	8000 字
翻譯價格(元):	240.0
交付時間:	付款后 1 個工作日

1 Scope This Standard specifies the types and parameters, technical requirements, inspection rules, marking, packing, transport and storage of metal round and elongated aperture, elongated and square aperture and round aperture screen plate. This Standard is applicable to the screen plate for screening, ventilation, decoration, mineral processing, grain, oil material and feed processing, sifting and filtering, the aperture shape is round and elongated aperture, square and elongated aperture, and round aperture. 2 Normative References The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments (excluding amending errors in the text) to, or revisions of, any of these publications do not apply. However, all parties coming to an agreement according to this standard are encouraged to study whether the latest editions of these documents are applicable. For undated references, the latest edition of the normative documents referred to applies. GB/T 708 Dimension, Shape, Weight and Tolerances for Cold-rolled Steel Plates and Sheets GB/T 1804 Tolerances and Fits-Limit Deviations of Dimensions without Individual Tolerance Indications (GB/T 1804-2000, eqv ISO 2768-1: 1989) GB/T 2828.1 Sampling Procedures for Inspection by Attributes - Part1: Sampling Schemes Indexed by Acceptance Quality Limit (AQL) for Lot-by-lot Inspection (GB/T 2828.1-2003, ISO 2859-1: 1999, IDT) GB/T 10061 Screen Plates - Codification for Designating Perforations (GB/T 10061-1988, eqv ISO 7806:1983) GB/T 15602 Industrial Screens and Screening Vocabulary (GB/T 15602-1995, eqv ISO 9045:1990) GB/T 19360 Industrial Plate Screens - Specifications and Test Methods (GB/T 19360-2003, ISO 10630:1994, IDT)

Foreword I 1 Scope 2 Normative References 3 Terms and Symbols 4 Types and Parameters 5 Technical Requirements 6 Test Methods and Inspection Rules 7 Marking, Packing, Transport and Storage Appendix A (Informative) General Requirements of Heat Treatment on Screen Plate