ISSUED BY 发布人 D. S. Crowther ENGINEERING TEST INSTRUCTION 工程测试说明书 ELECTRO-MOTIVE DIVISION GENERAL MOTORS COTPOTATION LA GRANGE ILLIONIS 通用汽车公司 ELECTRO-MOTIVE 公司 伊利诺伊州，拉格朗日 NUMBER 号码 G 261 APPROVED 批准 W. H. Matthews FIRST ISSUED 第一版 June 14, 1956 1956 年6 月14 日 H. G. Gutekunst SUPPERSEDES 替换 SUBJECT MAGNETIC PARTICLE TEST – MISCELLANEOUS GEARS, PINIONS & SIMILAR PARTS 主题： 磁粉探伤—各种齿轮、小齿轮和相似零件 AFFECTS MODELS ALL 涉及型号 所有 PART NOS AFFECTED 涉及零件号 REF. DRAWINGS 参考图纸 The following Engineering Test Instruction is to be used in the magnetic particle inspection of (B) various gears, pinions & similar parts designated on drawings, but not covered by a specific engineering test instruction. 下列工程测试说明书用在图纸中指定的但没有详细的工程试验说明的各种齿轮、 (B) 小齿轮和相似零件的磁粉检查。 1. Setup 准备 A. Use AC or DC magnetizing unit capable of producing 1500 amperes of current. (B) 使用能够产生 1500 安培电流的直流或交流磁化仪器。 (B) B. Use any of the following pastes or powder in a vehicle approved by the Magnaflux Corp. 在溶剂中使用磁力探伤公司批准的下列磁膏和磁粉： 1) No. 9 red paste, 1% per gallon 每加仑 1%9 号红磁膏 2) No. 10 Magnaglo, 1/4 oz. per gallon 每加仑 1/4 盎司10 号荧光磁粉 3) No. 14 Magnaglo, 1/6 oz. per gallon 每加仑 1/6 盎司14 号荧光磁粉 2. Procedure 程序 Due to the variation in sizes of gears and pinions which may be encountered, four procedures will be listed. The procedures are listed in the order of preference. 由于碰到的齿轮和小齿轮尺寸不同，列出 4 个程序，程序按优先顺序列出。 A. Procedure #1 – for gears and pinions up to approximately 15” outer diameter. (B) 1 号程序—外径最大大约为 15” 的齿轮和小齿轮。 (B) 1) Clamp gear or pinion be...
