JIS-B-7517-1993-R2003-ENG.pdf
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1、J I S BS75l17 93 W 4933bO 05LLlb57 506 JIS JAPANESE INDUSTRIAL STANDARD Vernier, dial and digital height gauges Translated and Published by Japanese Standards Association UDC 531.71 7.3 Printed in Japan 7s Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Em
2、ployees/1111111001, User=Wing, Bernie Not for Resale, 03/13/2007 07:22:34 MDTNo reproduction or networking permitted without license from IHS -,-,- JIS Bt7517 93 m 4933b08 0534658 442 m In the event of any doubt arising, the original Standard in Japanese is to be final authority. Copyright Japanese
3、Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/13/2007 07:22:34 MDTNo reproduction or networking permitted without license from IHS -,-,- UDC 531.717.3 r A JAPANESE INDUSTRIAL STANDARD r/ Vernier, dial and digital h
4、eight gauges J I S B 7517-1993 1. This Japanese Industrial Standard specifies the height gauges of 1000 mm or under in maximum measuring length, among the general height gauges for measuring height dimensions by 0.05 mm, 0.02 mm or 0.01 mm in scale interval) minimum indication amount or minimum read
5、ing value (hereafter referred to as “height gauges“). Scope Remarks: The standards cited in this Standard are the following: JIS B 7503 Dial gauges reading in 0.01 mm JIS B 7506 Gauge blocks JIS B 7513 Precision surface plates - JIS B 7526 Squares JIS B 7533 Dial test indicators (lever type) JIS B 7
6、536 Electrical comparators JIS G 4051 Carbon steels for machine structural use JIS G 4303 Stainless steel bars JIS G 4401 Carbon tool steels JIS G 5502 Spheroidal graphite iron castings JIS H 5501 Cemented carbide alloy of tip JIS Z 8103 Glossary of terms used in instrumentation 2. Z 8103 apply, and
7、 the rest of the terms shall be as follows: Definitions For the main terms used in this Standard the definitions in JIS (i) height gauge The measuring instrument capable of reading the distance be- tween the measuring face of scriber and the reference face of base by the graduation of main scale or
8、counter, and vernier scale or dial scale, or by an electronics type digital indication, when the slider with a jaw to which a scriber is attached slides along the pillar standing vertical to the base. subdivision, and it is obtained by dividing the (n - i) graduations of the main scale graduations i
9、nto n or the travelling amount of the slider mechanically by gears or the like, That numerical indication to detect the travelling amount of the slider on the basis of the main scale and to express this by converting and counting mechanically (hereafter referred to as “counter“). In this case, the d
10、ial scale may also be used together for reading the decimal part of the length. a (2) vernier scale That scale for reading the main scale graduations in further equal parts. It is also called the auxiliary scale. (3) dial scale (4) mechanical type digital indication That disk scale for reading by th
11、e rotating pointer, magnifying Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/13/2007 07:22:34 MDTNo reproduction or networking permitted without license from IHS -,-,- J I S B*7537 93 m 4933608 0
12、534660 OTO m 2 B 7517-1993 (5) electronics type digital indication The numerical indication being expressed by detecting the travelling amount of the slider on the basis of the main scale and counting this by an electronics circuit. (6) instrumental error That subtracted value of the true value to b
13、e indicated from the reading of the height gauge. 3. accordance with Fig. 1. Names The names of the principal parts of the height gauge shall be in Pillar Graduation of main Measuring face of scriber Reference end face / Fig. 1. Names of principal parts (a) That with main scale travelling device Mai
14、n-scale ,travelling device Locking screw / d ?Reference surface of base Set-screw (b) That with sensitive feed Sensitive feed screw thread (c) That of pointer reading Main scale Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Win
15、g, Bernie Not for Resale, 03/13/2007 07:22:34 MDTNo reproduction or networking permitted without license from IHS -,-,- a Measuring length 50 or under Fig. 1 Graduation, minimum indication amount or minimum reading value 0.05 0.02 or 0.01 f 0.05 f 0.02 (d) That of pointer reading with counter Over 2
16、00 to 300 or under Over 300 to 400 or under 3 B 7517-1993 f 0.08 & 0.09 (Continued) Over 600 to 700 or under Over 700 to 800 or under Over 800 to 900 or under . (e) That of electronics type digital indication f 0.12 & 0.13 f 0.14 f 0.06 + 0.07 -&ita1 indication Over 900 to 1000 or under I f 0.15 Rem
17、arks: These Figures shall be those indicating the names only, and shall not be those indicating the standards of shapes and construction. - 4. The types of the reading mechanisms of the height gauges shall con- sist of four types of readings by the main scale and the vernier scale, by the main scale
18、, the dial scale and the pointer, by the counter, and by the electronics digital indication, and there are those having and not having sensitive feed respectively. Types 5. gauges shall be 150 mm, 200 mm, 300 mm, 450 mm, 600 mm and 1000 mm. Maximum measuring length The maximum measuring lengths of t
19、he height 6. Performance 6.1 tal errors of the height gauges shall be in accordance with Table 1. Instrumental errors of height gauges The permissible values for instrumen- Over 50 to 100 or under I & 0.06 I Over 100 to 200 or under I f 0.07 I f 0.03 f 0.04 Over 400 to 500 or under I f 0.10 I f 0.05
20、 Over 500 to 600 or under I f 0.11 I Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/13/2007 07:22:34 MDTNo reproduction or networking permitted without license from IHS -,-,- - - ._ J I S B*75L7 9
21、3 W 4733608 05L4bb2 973 W 4 B 7517-1993 6.2 surface of base of the height gauge shall be 0.005 mm. Flatness for reference surface of base The flatness tolerance for reference 6.3 of pillar respect to reference end face of pillar of the height gauge shall be in accordance with the following formula:
22、Perpendicularity for reference surface of base in respect to reference end face The perpendicularity tolerances for the reference surface of base in (0.01 + &) mm where, L is the numerical value expressing the measuring length (unit: mm). 6.4 Parallelism for reference surface of base to measuring su
23、rface of scriber The parallelism tolerance for the reference surface of base to measuring surface of scriber of the height gauge shall be 0.01 mm. 7. Graduation 7.1 Graduating method accordance with the graduating method of vernier in Table 2, and with the graduat- ing method of dial in Table 3. The
24、 graduating method of the height gauge shall be in Table 2. Graduating method of vernier Unit: mm Minimum Explanatory reading value Figure I Graduating method of vernier I of main scale 1 Divide 39 mm into 20 equal parts 0.05 Fig. 2 Divide 49 mm into 50 equal parts 0.02 Fig. 3 Copyright Japanese Sta
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