《QHF640111标准英文版》由会员分享，可在线阅读，更多相关《QHF640111标准英文版（17页珍藏版）》请在金锄头文库上搜索。
1、Requirements on Painting and Rust-proof of Product and Its Metal Parts and ComponentsQ/HF6401-2008 共 1/17 1/10No. of the bottom drawingNo. of the old bottom drawingDateSignFile No.Mark No.MarkSignDateDateSignFile No.Mark No.MarkDateSignFile No.Mark No.Mark1. ScopeThis standard is applicable to the r
2、equirements on painting and rust-proof of water-turbine engine, water turbine generator, steam turbine generator and their metal parts and components.This standard is applicable to product in general domestic climatic conditions or product in humid tropics or product to be exported.2. Normative Refe
3、renceThe following normative documents contain provision which, through reference in this text, constitute provisions of this national standard. For dated reference, subsequent amendments (excluding correction) to, or revisions of, any of these publications do not apply. However, parties to agreemen
4、ts based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below. For undated references, the latest edition of the normative document referred to applies.GB8923 Rust and antirust grades on steel surface before application
5、of paintGB/13288The assessment of profile grades of steel surface before application of paint (related products - Comparator)GB/T3181Color standard for paint film ISO 14726-1Shipping and sailing, the identify colour of pipeline system capacity main colour and medium3. Requirements3.1The supplier of
6、work blank should clean the metal surface before paint on casting and weld assembly (primarily carry out heat treatment on blank if necessary, then clean it). After removing the oil, rust and dirt on the surface of work piece, carry out primer treatment. The rest painting should be finished in the w
7、orkshop(include primer total thickness reach the request of table 2-1 and 2-2 ); the supplier of work finished should paint the every parts of workpiece except topcoat.3.2Quality management departments should verify each painting procedure strictly in accordance with specified time (except for the o
8、nes specified by contract) from relative standard (this standard included). Only when it is measured up can do the next working procedure in the workshop. After pretreatment the unqualified should not be painted or mechanical-processing; after painting the unqualified should not be assembled or binn
9、inged.3.3technology engineers should work out the painting technology according to the drafts and the technology requirements of this standard. Painting workers must operate according to technology standard.only when the lacquer is dry can examiners do the packing-up test.3.5Should customers request
10、 arbitration on painting quality in doubt, relative national standard arbitrament from “Normative Reference” can be adopted, or arbitrate through negotiation of both parties therein, or other applicable standard.4. Marking drawings4.1 On the design drafts，for the general products needed painting，des
11、igners must mark “painting according to Q/HF 6401-2008”on the technical requirements of related drafts, with the exception of special requirements. 4.2 On the design drafts，for the same surface of the same parts contacting with different working environments（spiral, draft tube, box of Hydraulic turb
12、ine generator imbed parts and the bottom plate of generator ），draw the painting diagrammatic sketch on the proper position and mark the types of working environment (symbols according to table 1)and the size. for example：the symbol of Hydraulic turbine generator draft tube surface contacting with co
13、ncrete is PC, when contacting with air the symbol is PA, according to picture 1. 图1 Table1 The provision of working environment types and symbols for the painting products and metal partsNo.Operation environment typessymbol1Surface contacting with airPA1PA62Surface contacting with oilPO3Surface cont
14、acting with waterPW1PW24Surface contacting with concretePC5Welding groove of work sitePG6Unassembled non-coating fitting surfacePF1PF37Electroplating surfacePE8Stainless steel surfacePS4.3 Priority flag choice for painting surface：assembled surface have priority to the surface contacting with medium
15、，such as top cover and bottom ring antiwear board flowing surface .at one side surface contacting with the end surfaces of guide blade，at the other side it contacting with mechanical-processing surface and contacting with water .top cover and bottom ring antiwear board flowing surface should be considered as concerting surface.5. The technical requirements of rust-proof and painting5.1 All the surface of non-processing parts generally should be painted, with the exception of special requirements.5.2 When t
