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1、J I S T*9221 92 = 4933608 OS13214 bTT M UDC 621.31 5.687:615.465:615.477 JAPANESE INDUSTRIAL STANDARD Control cable system units t Translated and Published by Japanese Standards Association 4 s Printed in Japan Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=I
2、HS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/10/2007 20:32:38 MSTNo reproduction or networking permitted without license from IHS -,-,- J I S Tr22L 72 4733b08 0533235 536 In the event of any doubt arising, the original Standard in Japanese is to be final authority. t b 1 Copyright J
3、apanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/10/2007 20:32:38 MSTNo reproduction or networking permitted without license from IHS -,-,- J I S T*22L 92 = 4933b08 05L32Lb 472 9 UDC 621.315.687 : 615.465 : 61
4、5.477 JAPANESE INDUSTRIAL STANDARD J I S Control cable system units T 9221-1992 1. Scope This Japanese Industrial Standard specifies the metallic control cable system units for body-powered upper extremity prosthesis (hereafter re- ferred to as the “cable system“). Remarks 1. The cited standard in t
5、his Standard is as follows: JIS G 4308 Stainless steel wire rods The units and numerical values given in in this Standard are based on the traditional units, and are appended for informative reference. 2. 2. Classification and symbol in Table 1. The classification and symbol shall be specified Table
6、 1 Classification Symbol Single control cable system Multiple control cable system Performance General conditions The general conditions shall be as follows. When a cable itself is curved at the radius of curvature of 25 mm, wires of the cable shall not be broken. When a cable housing is curved at t
7、he radius of curvature of 25 mm, the coil shall not be deformed. Fittings of cable with cable hanger, ball terminal, rotating terminal and ball receiver, shall be so shaped appropriately as not to be too loose. Fittings of cable housing with floating anchor and cable housing with re- tainer, shall b
8、e so adjusted as not to move the cable during use. Fittings of base plate with retainer shall be so adjusted as not to come off during use. Static strength The cable system shall, when tested according to 8.1, meet Table 2. Copyright Japanese Standards Association Provided by IHS under license with
9、JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/10/2007 20:32:38 MSTNo reproduction or networking permitted without license from IHS -,-,- JIS Tr221 92 4933bO 0513217 309 Item Tensile strength Elongation ratio 2 T 9221-1992 Table 2 Cable and Cable and Cable and 500 N (50 k
10、gf) or over 1.7 % or under cable hanger rotating terminal terminal receiver 3.3 Durability following requirements. The cable system shall, when tested according to 8.2, meet the (i) (2) (3) Breakage, permanent deformation, malfunction, and other defects shall not be found. The elongation ratio of ca
11、ble shall be 5.0 % or under. The elongation ratio of cable housing shall be 1 % or under. 4. Shape and dimensions follows. The shape and dimensions shall be specified as (i) Diameter of cable (2) The diameter of cable shall be 2.6 mm or under. Inner diameter of cable housing larger than the diameter
12、 of cable by 1.4 mm. The diameter of cable housing shall be 5. Appearance The appearance shall be specified as follows. (i) (2) The surface of cable, cable housing and other parts shall be free from flaws, rust and dirt. The rubber and plastics shall be free from significant discoloration, crazing a
13、nd cracks. 6. Materials an offensive smell, and shall have corrosion resistance, moisture resistance and weather resistance. Materials shall be harmless to the human body, shall not give (i) Cable (2) Other materials The cable shall, in principle, use the stainless steel wire rods specified in JIS G
14、 4308. materials shall be suitable for the part for which they are used. The durability of metallic, plastic, rubber, and other 7. Condition of test site 20 f 10 “C and humidity (65 k 30) %. The test shall be made indoors at the temperature 8. Test method 8.1 Static strength test hanger, cable with
15、rotating terminal and cable with terminal receiver shall be The strength of connecting parts of cable with cable examined by a tensile strength tester (see Fig. i). Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not
16、 for Resale, 03/10/2007 20:32:38 MSTNo reproduction or networking permitted without license from IHS -,-,- J I S Tt9221 92 D 4933b08 0513218 245 D Cable and cable hanger 3 T 9221-1992 Fig. 1 Cable and rotating terminal, cable and terminal receiver 8.2 Durability test of practical use of cable system
17、. An example of equipment is shown in Fig. 2. Use repeating test equipment which simulates the scene The test shall be made as follows: Use a single control cable system as a sample, and assemble it so that the length from the lower edge of cable hanger to the lower edge of rotating terminal is 600
18、mm. Fix the main end of cable to the clamp pulley of the test equipment. Fix the rotating terminal of cable end to the tensile coil spring of spring constant of 2 N/mm (0.2 kgf/mm), by means of the cable hanger. The repetition cycle shall be 1.5 sec to 2.5 sec (0.40 Hz to 0.67 Hz). Every 10000 cycle
19、s, retainer shall be oiled. The number of repetitions shall be 100,000. Before the test, measure the length of cable and cable housing, and calculate the elongation ratio. Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Ber
20、nie Not for Resale, 03/10/2007 20:32:38 MSTNo reproduction or networking permitted without license from IHS -,-,- JIS T*9223 92 = 4933608 0533239 383 4. T 9221-1992 Fig, 2 Unit : mm 1 8 Clamp pulley Cable Cable housing Retainer Rotating terminal Terminal receiver Cable hanger Tensile power source sp
21、ring , 9. Inspection method 9.1 Sampling inspection The sampling inspection of performance, shape and dimensions shall be made according to 4 . and 8. The sample shall meet the requirements specified in 3. and 4. ties concerned with delivery. The sampling method shall be subjected to the agreement b
22、etween the par- 9.2 Total inspection visual observation, and the sample shall meet the requirements specified in 5. 10. Packaging and packing The total inspection of appearance shall be made by The package shall be water-proof and corrosion- resistant not to damage the products during transportation
23、 and storage. The package shall be clearly marked with the following items. (i) Title of standard (2) Classification (3) (4) (5) Joining method between the cable system and other parts Year and month of manufacture or its abbreviation Manufacturers name or its abbreviation 11. Designation and classi
24、fication. The product shall be designated by the title of the standard Reference standard : JIS T O101 Glossary of terms in prosthetics and orthotics Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03
25、/10/2007 20:32:38 MSTNo reproduction or networking permitted without license from IHS -,-,- J I S TM7221 92 L1733608 0533220 9T3 e a a T 9221-1992 Edition 1 Japanese Text Established by Minister of International Trade and Industry Date of Establishment: 1987-03-01 Date of Revision: 1992-07-01 Date o
26、f Public Notice in Oficial Gazette: 1992-07-22 Investigated by: Japanese Industrial Standards Committee Divisional Council on Medical and Safety Facilities This English translation is published by: Japanese Standards Association 1-24, Akasaka 4, Minato-ku, Tokyo 107 Japan O JSA, 1993 Printed in Tokyo by Hohbunsha Co., Ltd. Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/10/2007 20:32:38 MSTNo reproduction or networking permitted without license from IHS -,-,-