JIS-Z-4560-1991-R2003-ENG.pdf
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1、J I S Z*iey560 91 4933608 0087538 9 JIS UDC 621.039.84:620.179.152.3 JAPANESE INDUSTRIAL STANDARD Industrial 7-ray apparatus for radiography JIS 2 4560-1991 Translated and Published Japanese Standards Association 5 s Printed in Japan Copyright Japanese Standards Association Provided by IHS under lic
2、ense with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/11/2007 08:15:31 MDTNo reproduction or networking permitted without license from IHS -,-,- J I S 2*45bO 91 4933608 0087539 O = In the event of any doubt arising, the original Standard in Japanese is to be final auth
3、ority. Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/11/2007 08:15:31 MDTNo reproduction or networking permitted without license from IHS -,-,- UDC 621.039.84:620.179.152.3 Classification P-Qpe J
4、APANESE INDUSTRIAL STANDARD Industrial y-ray apparatus for radiography Portability A portable apparatus designed to be carried by an operator. J I S Z 4560-1991 4 M - m F-Type 1. Scope (hereafter referred to as the “y-ray apparatus“). This Japanese Industrial Standard specifies industrial y-ray appa
5、ratus Remarks 1. Standards cited in this Standard are as follows: JIS G 3525-Wire Ropes JIS Z 4001-Glossary of Terms Used in Nuclear Energy JIS Z 4821- Classification and Testing of Sealed Radioactive Sources radiography A movable apparatus other than P-type, designed to be moved easily by a suitabl
6、e means provided for the purposes. A fixed installed apparatus, or a one with mobility restricted to the confines of a particular working area. 2. Corresponding International Standard is as follows: IS0 3999-Apparatus for gamma radiography - Specification and are the informative reference values. 3.
7、 In this Standard, units and numerical values in are based on customary unit, 2. Definition For the main terms used in this Standard the definitions in JIS Z 4001 apply, and the rest of the terms shall be as follows: (1) y-ray apparatus An apparatus for industrial radiography, containing a sealed ra
8、dioisotope emitting y-ray of exceeding 3.7 MBq Cl00 yCi) (hereafter referred as the “radiation source“). (2) radiation source container The container vessel in the main body of the y-ray ap- paratus, containing the radiation source. (3) operation tube The fiexible tube which guides the operation rel
9、ease wire between the (4) guide tube The flexible tube which guides the radiation source and the operation radiation source container and the operating apparatus. release wire from the radiation source container. 4. Performance posure rate leaked from the apparatus (hereafter referred to as the “lea
10、kage dose rate“), shall not exceed the values in Table 2., in the vicinity of surface of the apparatus and at 1 meter apart from the surface of the apparatus. However, in the vicinity of the surface of the apparatus, the specimen shall satisfy the value either on the surface of the apparatus or at 5
11、0 mm from the sur- face. 4.1 Shielding Performance of y-ray Apparatus When the test is carried out by 6.3.1, the ex- Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/11/2007 08:15:31 MDTNo reproduct
12、ion or networking permitted without license from IHS -,-,- J I S Z845bO 91 4933608 0087541 9 Classification P-Type 2 2 4560-1991 Maximum leakage dose rate puCikg h (mR/h) In the vicinity of apparatus surface 1 m from surface of apparatus On surface 50 mm from surface 51.6 (200) 12.9 SO 0516 2) Table
13、 2. Limitation of Leakage Dose Rate M-Type I 51.6 (200) I 25.8 (100) I 1.29 5) F - M e I 51.6 200) I 25.8 (100) I 2S8 (10) 4.2 Mechanical Strength against Vibration When the vibration test is carried out by 6.3.2, the performance as a radiation source container shall not be lost, and loosing of bolt
14、s or nuts shall not appear. with the requirement of 4.1. 6.3.3, the radiation source container shall not suffer any severe deformation. with the requirement of 4.1. leakage dose rate of the radiation source container shall not exceed 258 ,uC/kg - h (1 R/h at 1 m apart from the surface of the apparat
15、us. carried out, the operational performances of the y-ray apparatus shall not be damaged, such as hooking at joints. 5. Construction And, after the test, the shielding performance of the radiation source container shall comply 4.3 Mechanical Strength against Penetration When the penetration test is
16、 carried out by And, after the test, the shielding performance of the radiation source container shall comply 4.4 Mechanical Strength against Shock After the shock test is carried out by 6.3.4, the 4.5 Operational Performances of y-ray Apparatus After the tests of 6.3.5 to 6.3.9 have been 5.1 Radiat
17、ion Source Container The radiation source container shall be provided with a shut- 5.2 Radiation Sources The radiation sources used in the y-ray apparatus shall comply with 5.3 Shutter The y-ray apparatus provided with a shutter, shall be equipped with a mechanism 5.4 Safety System The safety system
18、 shall be of such a construction that this system returns 5.5 Fixing of Radiation Source A y-ray apparatus having a radiation source sending system, ter or a maze. the specifications of JIS 2 4821. to confirm, with safety, the states of open or close of the shutter. the radiation source to the secur
19、ed position in case of failure. shall be provided with a mechanism designed to fix the source automatically, and confirm the state of the fixing safely. the radiation source container, shall be so constructed that the source can be surely fixed with screws or supressing tools. 5.6 Release Wire in Ra
20、diation Source Sending System The release wire in the radiation source sending system, shall have the structure to fit surely the radiation source on the top end of the wire. 5.7 Fitting of Collimater The y-ray apparatus shall be so structured that the collimater can be mounted. 5.8 Length of Operat
21、ion Tube The length of operation tube shall not less than 5 m. How- ever, when the safety is secured by the structure of the application facility, it is not necessary to be followed. And, a y-ray apparatus of such a structure that the radiation source is used as contained in Copyright Japanese Stand
22、ards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/11/2007 08:15:31 MDTNo reproduction or networking permitted without license from IHS -,-,- 3 Z 4560-1991 Classification P-Type 5.9 Indication of Source Position The y-ray ap
23、paratus shall be provided with a system to indi- cate the position of the radiation source. Tools or devices for transport or moving Cariying handle 5.10 Tools or Devices for Transport or Moving The radiation source container shall be provided with tools or devices for transport or moving as shown i
24、n Table 3. Table 3. Tools or Devices for Transport or Moving M-Type I Moving wheels with rotation radius of 3 m or less, fixing device and lifting tool F-Type I Lifting tool movable by a mechanical method, or moving device 5.11 Resistance to Corrosion and Resistance to Dust For the movable part of t
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