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Tham khảo tài liệu 'navfac p-433 welding materials handbook_5', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | watered Version - Drive Sprockets Carbon Steel Primary Electrode Page 1-24 Alternate Electrodes Pages 1-5 1-3 Welding Procedures Position sprocket for downhand welding. Use buildup material on badly worn areas Figure 2-9 . Use template to obtain proper shape. Grind high spots. 2-20 http www.simpopdf.com FIGURE 2-9. Hard-Facing Drive Sprockets Cm nu I FKfei PaM Si ili iftliji stered Version - Tractor Grousers Carbon Steel Primary Electrode Page 1-25 Alternate Electrodes Pages 1-22 1-20 Welding Procedures Anneal induction-hardened grousers before welding bar stock on grousers Do not hardface new grousers . Rebuild cleat to original height by welding steel reinforcing bar stock to pad with appropriate electrode on page 1-3. Mark grouser lengths for three equal parts Figure 2-10 . Face outer thirds by beginning passes from center and working out. Entire length of grouser can be faced if desired but method shown avoids stress buildup. 2-21 http www.simpopdf.com FIGURE 2-10. Hard-Facing Tractor Grousers Ripper Teeth Carbon Steel Primary Electrode Page 1-26 Alternate Electrodes Pages 1-25 1-22 TR Simpo PDFMerge and Split Unregistered Version - http www.simpopdf.com Continued Ripper Teeth Continued Welding Procedures Apply to top and sides of tooth covering area about 2 in. back from point. Hard-face remainder of tooth as shown in Figure 2-11. FIGURE 2-11. Hard-Facing Ripper Teeth Bulldozer End Bits Carbon Steel Primary Electrode Page 1-25 Alternate Electrodes Pages 1-22 1-20 Welding Procedures Place end bit in flat position and apply beads across outer comer and along edges. On worn end bits weld new corner and hard-face Figure 2-12 . If work involves impact use above mentioned electrodes in case of severe abrasion and moderate impact use electrode on page 1-26. .
