JIS-A-8902-1988-R2007-ENG.pdf
《JIS-A-8902-1988-R2007-ENG.pdf》由会员分享,可在线阅读,更多相关《JIS-A-8902-1988-R2007-ENG.pdf(17页珍藏版)》请在三一文库上搜索。
1、JIS - -v , UDC 621.865.15 : 631.311 JAPANESE INDUSTRIAL STANDARD Shovels and Scoops a Translated and Published by Japanese Standards Association Printed in Japan 9s Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Gearhard, Marcus
2、 Not for Resale, 06/01/2007 02:39:02 MDTNo reproduction or networking permitted without license from IHS -,-,- J I S A*8902 88 4933b08 0005375 7 W In the event of any doubt arising, the original Standard in Japanese is to be final authority. Copyright Japanese Standards Association Provided by IHS u
3、nder license with JSALicensee=IHS Employees/1111111001, User=Gearhard, Marcus Not for Resale, 06/01/2007 02:39:02 MDTNo reproduction or networking permitted without license from IHS -,-,- UDC 621.865.15:631.311 JAPANESE INDUSTRIAL STANDARD J I S Shovels and Scoops A 8902-1988 Round type No. 2 Square
4、 type No. 1 1. Scope Attached Fig. 1 Attached Fig. 2 This Japanese Industrial Standard specifies shovels and scoops for construction work, farming, and domestic use. Shovel 2. Classification Square type No. 2 Attached Fig. 2 Gardening round type Attached Fig. 3 Shovels and scoops shall be classified
5、 by their kinds as shown in Table 1. Gardening square type Concrete handling No. 2 Table 1 . Classification Kind I Shape Attached Fig. 4 Attached Fig. 5 Attached Fig. 6 I Round type No. 1 I Attached Fig. 1 No. 3 Attached Fig. 6 Applicable Standards : JIS Z 2245-Method of Rockwell and Rockwell Superf
6、icial Hardness Test JIS Z 9003-Single Sampling Inspection Plans having Desired Operating Characteristics by Variables (Standard Deviation Known) JIS Z 9006-Single Sampling Inspection Plans with Screening by Attributes Copyright Japanese Standards Association Provided by IHS under license with JSALic
7、ensee=IHS Employees/1111111001, User=Gearhard, Marcus Not for Resale, 06/01/2007 02:39:02 MDTNo reproduction or networking permitted without license from IHS -,-,- J I S A*8902 88 W 4933688 c)005177 O W C Si Mn P 0.35 max. 0.75 mx. 0.050 max. 0.40 to 0.55 2 A 8902-1988 S 0.050 m a . 3. Quality The q
8、uality of shovels and scoops shall meet the following requirements: (1) The scooping part shall be subjected to a suitable heat treatment, and the hardness in the area 25 to 50 mm within the blade end shall be HRC 37 to 49 for round type shovels, and HRC 30 to 45 for the other types when performed t
9、he test specified in 8.1. the hardness of the other types with plate thicknesses smaller than 1.4 mm shall be HRA 65.5 to 73. However, (2) Shovels of the round type No. 1, round type No. 2, square type No. 1 and square type No. 2, and scoops No. 2 and No. 3 shall be subjected to the loading test of
10、8.2, and in this test, breakage, loosening, or remarkable deformation shall not occur and the differ- ence between the positions of the gripping parts before and after the test shall not exceed 25 mm. 4. Construction Wooden shafts shall be fastened firmly to the scooping part by using rivets. by mea
11、ns of welding, fit-in joint, rivetting, or the like. Shafts made of pipe shall be firmly fastened to the scooping part 5. Shape and Dimensions The shapes and dimensions shall be as shown in Attached Figs. 1 to 8 and the Attached Table. Shafts shall be classified into circular shafts and deformed sha
12、fts based on their cross-sectional shapes. of the Y type. The shape of the gripping part shall be 6. Appearance The appearance shall meet the following requirements : (1) The surface of the scooping part shall be free from cuts, cracks, and other defects which are detrimental to use. (2) Wooden hand
13、les shall have a smooth surface free from defects detri- mental to use, such as knots, cross-grain, decay, worm-eaten spots, and bends. mental to use, such as projections, dents, and bends. Handles made of pipe shall be free from defects detri- 7. Material The material used shall be as follows: (1)
14、The material of the scooping part shall be a steel plate having the chemical composition shown in Table 2 or a steel plate of equivalent or superior quality. Unit: % Table 2. Chemical Composition Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/11
15、11111001, User=Gearhard, Marcus Not for Resale, 06/01/2007 02:39:02 MDTNo reproduction or networking permitted without license from IHS -,-,- 3 A 8902-1988 Kind Shovel Iround type No. 2 (2) The material of the shaft shall be either wood or pipe, and wooden shafts shall be made of oak or a hard wood
16、of equivalent quality with a water content of within 18 %. Pipe shafts shall be made of structural steel, stainless steel, aluminium, resin, or the like, or a combination of these materials. Material of shaft Mass M Wood 60 Pipe 80 (3) The material of the gripping part shall be wood, structural stee
17、l, stainless steel, aluminium, resin, or a combination of these materials. Wood Pipe Others 8. Tests 40 60 8.1 Hardness Test Measure the hardness of the scooping part at any three locations within 25 to 50 mm from the blade end according to JIS Z 2245 and take the average value. 8.2 Loading Test As
18、shown in Figure, clamp the scooping part so tha the longitudinal centre line ( A - A ) of clamp P is positioned 50 mm apart from the blade end and the transverse centre line ( B -BI is perpendicular to the centre line of the handle, and after loading the gripping part with a weight of mass M for 1 m
19、in, remove it, and examine for abnormalities such as breakage, loosening, and deformation in the scooping part and handle. Further, measure the difference (mm) between the positions of the gripping part before and after applying the weight. In this test, the value of mass M of the weight shall be as
20、 shown in Table 3. Table 3. Mass of Weight unit: kg Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Gearhard, Marcus Not for Resale, 06/01/2007 02:39:02 MDTNo reproduction or networking permitted without license from IHS -,-,- J
21、I S A*8902 88 4933608 0005379 4 Unit: mm Figure. Loading Test B B T . . Clamp (mild steel or cast iron) For Shovel Round Type For Others R shall be made equal to that of the scooping part. 9. Inspection shape, dimensions, appearance, hardness, and the loading test. 9.1 Inspection Items Inspection sh
22、all be performed for the construction, 9.2 Construction, Shape and Appearance The inspection for the con- struction, shape and appearance shall be performed for all the number of products, and they shall be accepted if they meet the requirements of 4., 5. and 6. 9.3 Dimensions, Hardness and load Tes
23、t For the dimensions, hardness and loading test, sampling inspection shall be performed according to the following procedures for respective different kinds of products, and the group represented by the specimen shall be accepted if they meet the re- quirements of 3. and 5. Copyright Japanese Standa
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- JIS 8902 1988 R2007 ENG
链接地址:https://www.31doc.com/p-3781926.html