平底孔試塊制作規(guī)范

1、平底孔試塊制作規(guī)范1#概述#平底孔試塊劃按材質分三組試塊，4130, 4141, 410各9塊，分為二大類型：I-4-XXXX(PA YYY類型)，I-8-XXXX ( PB YYY類型)，每種類型由9塊試塊組成。每種類型平底孔直徑分別為：0.0625i n(1.6mm)3 塊，0.125i n(3.2mm)6 塊，具體參數(shù)見表所示：對比試塊制作參數(shù)序號試塊類型A 高度 mm(in.)C 直徑 in. (mm)B 孑L深 in. (mm)孑L徑 in. (mm)1I-4-005013 (0.5 )2 (50.8 )0.75 (19)1/16 (1.6 )2I-4-010025.4 (1)2 (

2、50.8 )0.75 (19)1/16 (1.6 )3I-4-015038.1 (1.5 )2 (50.8 )0.75 (19)1/16 (1.6 )4I-8-010025.4 (1)2 (50.8 )0.75 ( 19)1/8 (3.2 )5I-8-020050.8 (2)2 (50.8 )0.75 ( 19)1/8 (3.2 )6I-8-030076.2 (3)2 (50.8 )0.75 ( 19)1/8 (3.2 )7I-8-0400101.6 (4)2 (50.8 )0.75 ( 19)1/8 (3.2 )8I-8-0500127 (5)2 (50.8 )0.75 ( 19)1/8 (

3、3.2 )9I-8-0600152.4 (6)2 (50.8 )0.75 ( 19)1/8 (3.2 )備注：ASTM E428-2008制作要求A Metal travel dista nee0.±5 in. (0.38 mm)A金屬行程 ±0.015 in. (0.38 mm)B Hol e depth 3?4 in. nominal士 1?16 in. (1.6 mm)B孔深 3?4” 公稱 士 1?16.(1.6 mm)C Block diameter tolera nee0.030 in. (0.76 mm)2-i n. (50.8-mm) diameter fo

4、r test dista nces up to 6 in. (152 mm)21?2-i n. (63.5-mm) diameter for test dista nces over 6 in. up to 12 in. (305 mm)Larger diameters or serrati ons may be required for test dista nces over 12 in.C 試塊直徑公差 士 0.030 ” (0.76 mm)檢測距離 w 6” (152 mm)，直徑 2” (50.8-mm)6” 檢測距離 < 12” (305 mm)，直徑 21?2” (63.5

5、nm)檢測距離>12”，可以要求更大的直徑或鋸齒D Hole diameter tolera nee0.±005 in. (0.013 mm) for holes 1?16 in. (1.6 mm) and smaller,士 0.001 in. (0.03 mm) for holes larger than 1?16 in. (1.59 mm)Dw 1?16 “ (1.6 mr的孔，孔徑公差士 0.0005 ” (0.013 mm)>1?16 “ (1.59 mm)的孑L,孑L徑公差士 0.001“ (0.03 mm)E Surfaces to be flat with

6、in 0.0005 in. (0.01 mm) and parallel to within 0.001 in. (0.02 mm).Due to possible edge build-up duri ng the plati ng process, this tolera nee applies only to thearea exclusive of that with in 1?8 in. (3.2 mm) of the block edges.E 表面平整度/平直度在0.0005 ” (0.01 mm)內且平行度在 0.001 ” (0.02 mm)內由于鍍層/電鍍期間可能的邊緣堆起

7、，該公差僅適用于試塊邊緣1?8 in. (3.2 mm)以外的部分F Hole must be straight and perpe ndicular to the test surface with in 020 min. °F 孔必須豎直并和測試面垂直，(偏差)在0° 20最小值G Hole bottom must be flat within 0.001 in ./1?8 in. (1 mm/125 mm) and located within 0.015 in.(0.38 mm) of lon gitud inal axis.G 孔底的平直度必須在 0.001 ”

8、./1?8 ” (1 mm/125 mm并位于縱軸的0.015 ” (0.38 mm)H Flat cou nterbore 0.250 diameter by 0.064 in. deep.H 淺擴孔(或平地擴孔)0 0.250 X 0.064 ”深I Typical Block Ide ntificatio n:I典型試塊標識8 = Hole size in 1?64 -in. increments.8 = 孔尺寸 1?64”增量1181 = Metal travel in 00.00 in.1181 =金屬行程，單位00.00 ”1.1對比試塊粗加工要求準備制作 8630-4-XXXX(

9、 PAYYY類型)，8630-8-XXXX ( PBYYY類型)，8630-16-XXXX(PCYYY類型)三組平底孔試塊各6只，鍛造后超聲波檢測無當量平底孔直徑0.8mm以上缺陷，進入熱處理。每只試塊在表中給定尺寸基礎上，高度方向加大10m m直徑方向加大6mm加工成圓棒，不加工孔。22對比試塊精加工要求按照 ASTM E 428-2008 標準要求，8630-4-XXXX （PA YYY類型），8630-8-XXXX （ PBYYY類型），8630-16-XXXX （ PCYYY類型）三組平底孔試塊各6只，每只試塊均加工成平底孔、復孔及刻陰字標識，具體尺寸及公差見圖、表、備注所示。試塊人工平底孔內部制作成復型模形，復型模形強度必須可靠，提供平底孔復制品在光學比較儀上用觀察屏觀察到的投影圖（放大倍20）電子照片，每只