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1、STD.JIS EI VZLO-ENGL 1?397 4933608 0550539 855 J IS JAPANESE I N DUSTR IAL STANDARD Translated and Published by Japanese Standards Association JIS B 4210 : 1997 Tapered end mills I ICs 25.100.20 Descriptors : end mills, tapered, milling cutters Reference number : JIS I 3 4210 : 1997 (E) 18 S Copyrig
2、ht Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/13/2007 22:08:38 MDTNo reproduction or networking permitted without license from IHS -,-,- STD-JIS B 4210-ENGL 1997 4933b08 0550520 577 B 4210 : 1997 Forewo
3、rd This translation has been made based on the original Japanese Industrial Standard established by the Minister of International Trade and Industry through deliberations at Japanese Industrial Standards Committee in accordance with the Industrial Standardization Law. Attention is drawn to the possi
4、bility that some parts of this Standard may conflict with a patent right, application for a patent after opening to the public, utility model right or application for registration of utility model after opening to the public which have technical properties. The relevant Minister and the Japanese Ind
5、ustrial Standards Committee are not responsible for identifying the patent right, application for a patent after opening to the public, utility model right or application for registration of utility model after opening to the public which have the said technical properties. Date of Establishment: 19
6、97-11-20 Date of Public Notice in Official Gazette: 1997-11-20 Investigated by: Japanese Industrial Standards Committee Divisional Council on Factory Automation JIS B 4210:1997, First English edition published i n 1998-05 Translated and published by: Japanese Standards Association 4-1-24, Akasaka, M
7、inato-ku, Tokyo, 107-8440 JAPAN In the event of any doubts arising as to the contents, the original JIS is to be the final authority. O JSA 1998 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mecha
8、nical, including photocopying and microfilm, without permission in writing from the publisher. Printed in Japan Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/13/2007 22:08:38 MDTNo reproduction o
9、r networking permitted without license from IHS -,-,- STD-JIS B 4210-ENGL 1997 4933608 0550521 403 = . JAPANESE INDUSTRIAL STANDARD JIS B 4210: 1997 Tapered end mills Introduction This Japanese Industrial Standard has been prepared on the basis of IS0 3940, Tapered die-sinking cutters with parallel
10、shanks, published as the first edition in 1977, without making any modification on the corresponding technical contents, but supplements those provisions not specified in the International Standard for the classification, shape and dimensions, Further, it supplements the items not specified in the c
11、orresponding International Standard (quality, material, test method, inspection, designation of products and marking) as Japanese Industrial Standard. 1 Scope This Standard specifies tapered end mills of which the minor diameter is over 0.95 mm up to and including 20 mm and taper half-angle is 30 to
12、 10 o (hereafter referred to as “end mill”). Remarks 1 The following standards are normative references to this Standard : JIS B 0021 JIS B 0172 JIS B 0405 JIS B 0601 JIS B 0659 JIS B 1011 JIS B 1501 JIS B 4005 JIS B 7503 JIS B 7513 JIS B 7540 JIS B 7725 JIS B 7726 JIS G 4051 JIS G 4403 JIS Z 2244 J
13、IS Z 2245 Indications of geometrical tolerances on drawings Glossary of terms for milling cutters General tolerances- Part 1: Tolerances for linear and angu- lar dimensions without individual tolerance indications Surface roughness - Definitions and designation Roughness comparison specimens Centre
14、holes Steel balls for ball bearings Milling cutters - Parallel shanks - Dimensional characteristics Dial gauges Precision surface plates V-blocks Vickers hardness testing machines Rockwell and Rockwell superficial hardness testing machines Carbon steels for machine structural use High speed tool ste
15、els Method of Vickers hardness test Method of Rockwell and Rockwell superficial hardness test 2 The International Standard corresponding to this Standard is shown below. IS0 3940 : 1977 Tapered die-sinking cutters with parallel shanks 2 Definitions B 0172 apply. For the purpose of this Standard, the
16、 definitions of main terms given in JIS Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/13/2007 22:08:38 MDTNo reproduction or networking permitted without license from IHS -,-,- 2 B 4210 : 1997 3
17、Classification End mills shall be classified into three types of normal types I and II and roughing type I by the use, into two types of plain cylindrical shank and flatted cylindrical shank by the shape of shank, into two types of two-flute and multi-flute by the number of cutting flutes, into two
18、types of fsquare end end ball end by the shape of end cutting edge, and into four types of SS (stub), S (short), R (regular) and L (long) for type I and three types of S, M (medium) and L for type II by each flute length, as shown in Table 1. Remarks 1 Multi-flute means those having cutting flutes o
19、f three pieces or more. 2 Type II means those with shape and dimensions according to IS0 3940. Table 1 Classification Classification Name of type :lute engtl ss - Shape of end cut- ting edge Square end Ball end Square end Use Two-flute tapered end mill with cylindrical shank type I- SS Two-flute tap
20、ered end mill with cylindrical shank type I- S Two-flute tapered end mill with cylindrical shank type I- R Two-flute tapered end mill with cylindrical shank type I- L Bail-nosed two-flute tapered end mill with cylindrical shank type I-SS S Ball-nosed two-flute tapered end mill with cylindrical shank
21、 type I-S Ball-nosed two-flute tapered end mill with cylindrical shank type I- R L ss - Ball-nosed two-flute tapered end mill with cylindrical shank type I-L Multi-flute tapered end mill with cylindrical shank type I- SS S Multi-flute tapered end mill with cylindrical shank type I- S R Multi-flute t
22、apered end mill with cylindrical shank type I- R L Multi-flute tapered end mill with cylindrical shank type I- L ss Ball-nosed multi-flute tapered end mill with cylindrical shank type I-SS S Ball-nosed multi-flute tapered end mill with cylindrical shank type I-S Bail end R Ball-nosed multi-flute tap
23、ered end mill with cylindrical shank type I-R L Ball-nosed multi-flute tapered end mill with cylindrical shank type I-L ss Two-flute tapered end mill with flatted cylindrical shank type I-SS S Two-flute tapered end mill with flatted cylindrical shank type I-S Square end R Two-flute tapered end mill
24、with flatted cylindrical shank type I-R L - ss Two-flute tapered end mill with flatted cylindrical shank type I- L Ball nosed two-flute tapered end mill with flatted cylindrical shank type I-SS S Ball nosed two-flute tapered end mill with flatted cylindrical shank type I-S Ball end R L - Ball nosed
25、two-flute tapered end mill with flatted cylindrical shank type I-R Ball nosed two-flute tapered end mill with flatted cylindrical shank type I- L Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/13/
26、2007 22:08:38 MDTNo reproduction or networking permitted without license from IHS -,-,- Flute length M 3 B 4210 : 1997 Table 1 (continued) Classification hape f hank lum- er of lutes ihape of nd cut- ing edge Name of type ss blulti-flute tapered end mill with flatted cylindrical shank type I-SS S Mu
27、lti-flute tapered end mill with flatted cylindrical shank type I-S ;quare :nd R Multi-flute tapered end mill with flatted cylindrical shank type I-R L Multi-flute tapered end mill with flatted cylindrical shank type I-L ss Ball-nosed multi-flute tapered end mill with flatted cylindrical shank type I
28、-SS S Ball-nosed multi-flute tapered end mill with flatted cylindrical shank type I-S 3all end R Ball-nosed multi-flute tapered end mill with flatted cylindrical shank type I-R L Ball-nosed multi-flute tapered end mill with flatted cylindrical shank type I-L S Two-flute tapered end mill with cylindr
29、ical shank type II- S Square End M Two-flute tapered end mill with cylindrical shank type II- M o I 3 + L Two-flute tapered end mill with cylindrical shank type II-L S Ball nosed two-flute tapered end mill with cylindrical shank type II-S Y 2: m 5 3 - f U c x u e m .- e .- a - M Ball end Ball nosed
30、two-flute tapered end mill with cylindrical shank type II-M Ball nosed two-flute tapered end mill with cylindrical shank type II-L Multi-flute tapered end mill with cylindrical shank type II-S Multi-flute tapered end mill with cylindrical shank type II- M Multi-flute tapered end mill with cylindrica
31、l shank type II- L L S Square end o i - e .- 5 c c - Ball-nosed multi-flute tapered end mill with cylindrical shank type II-S Ball-nosed multi-flute tapered end mill with cylindrical shank type II- M Ball-nosed multi-flute tapered end mill with cylindrical shank type II- L Ball end Copyright Japanes
32、e Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/13/2007 22:08:38 MDTNo reproduction or networking permitted without license from IHS -,-,- STD-JIS B 42LQ-ENGL 1997 = 4733608 0550524 LL2 4 B 4210 : 1997 Table 1 (con
33、cluded) Name of type Classification Shape If shank Vum- ,er of lutes Shape of end cut- ting edge Flute length S Two-flute tapered end mill with flatted cylindrical shank type II-S i Square end M Two-flute tapered end mill with flatted cylindrical shank type II- M u 3 c o 3 b L Two-flute tapered end
34、mill with flatted cylindrical shank type II-L S Ball-nosed two-flute tapered end mill with flatted cylindrical shank type E S M Ball-nosed two-flute tapered end mill with flatted cylindrical shank type II-M Ball end L Ball-nosed two-flute tapered end mill with flatted cylindrical shank type II-L S M
35、ulti-flute tapered end mill with flatted cylindrical shank type II- S Square end M Multi-flute tapered end mill with flatted cylindrical shank type II- M L Multi-flute tapered end mill with flatted cylindrical shank type II-L S Ball-nosed multi-flute tapered end mill with flatted cylindrical shank t
36、ype II-S M Ball-nosed multi-flute tapered end mill with flatted cylindrical shank type II-M Ball end L Ball-nosed multi-flute tapered end mill with flatted cylindrical shank type II-L S Roughing multi-flute tapered end mill with cylindrical shank type I-S Square end R Roughing multi-flute tapered en
37、d mill with cylindrical shank type I-R L Roughing multi-flute tapered end mill with cylindrical shank type I-L S Roughing ball-nosed multi-flute tapered end mill with cylindrical shank type I- S Roughing ball-nosed multi-flute tapered end mill with cylindrical shank type I- R Roughing ball-nosed mul
38、ti-flute tapered end mill with cylindrical shank type I- L Roughing multi-flute tapered end mill with flatted cylindrical shank type I-S Roughing multi-flute tapered end mill with flatted cylindrical shank type I-R Roughing multi-flute tapered end mill with flatted cylindrical shank type I- L Roughi
39、ng ball-nosed multi-flute tapered end mill with flatted cylindrical shank type I-S Roughing ball-nosed multi-flute tapered end mill with flatted cylindrical shank tvoe I-R Ball end Square end Ball end L - Roughing ball-nosed multi-flute tapered end mill with flatted cylindrical shank type I-L , Copy
40、right Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/13/2007 22:08:38 MDTNo reproduction or networking permitted without license from IHS -,-,- STD-JIS B 4210-ENGL 1777 = 4733608 0550525 059 5 B 4210 : 1997
41、 4 Shape and dimensions The shape and dimensions shall be as given in Fig. 1, Tables 2- 1 to 2-7, Fig. 2 and Tables 3-1 to 3-3. Plain cylindrical shank Flatted cylindrical shank single flat l hank h8 O -0.018 latted :ylindrical ;hank h6 O -0.008 O -0.009 O -0.011 O -0.008 O -0.009 O -0.011 Informati
42、ve reference 1.63 2.33 3.26 3.73 4.20 5.41 6.76 7.69 9.98 11.84 1.79 2.52 3.58 4.04. 4.50 5.77 7.21 8.12 10.48 12.31 - - Remarks 1 Tolerances of flute length, 1 and overall length, L shall be tolerance class c (coarse) specified in JIS B 0405. 2 For the center holed type, JIS B 1011 shall be applied
43、. 3 The shape and dimensions of shank shall be according to type R of JIS B 4005. 1 Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/13/2007 22:08:38 MDTNo reproduction or networking permitted witho
44、ut license from IHS -,-,- 9 B 4210 : 1997 Table 2-2 Shape of tapered end mill with cylindrical shank type I-S Unit: mm Taper half-angle a I2 Shank diameter d I Informative reference 3ver- Major end dia. 311 length D, D2 1, 4 54 2.17 2.16 2.67 2.65 3.17 3.15 56 4.21 4.18 58 5.24 5.20 6.24 6.19 Shape
45、of end cutting edge Squareend I Ballend Flute length Minor end dia. D I Ball radius R Cylindrical h8 Ize shank latted lank h6 isic ze 30 - 1 - l“30 js 13 +0.050 k0.070 1 -:.ois 2.5 1.25 3 1.5 4 f0.060 2 5 2.5 6 3 8 k0.075 4 +0.090 -0.009 OL -0.022 -0.027 -0.011 OI q%- -0.008 t0.070 1.5 -0.018 I I I
46、51 I 61 13 I 4 2 . 0 2 2 -* k0.070 12 1 o -0.027 -0.011 -0.018 I -0.008 19 2.5 1.25 3 1.5 4 IO.060 2 5 2.5 6 3 4 -;.o22 l 2 I -0.027 O 2 - 6 O -0.018 4 I 12 I -0.022 -0.027 11 fO.090 10 -1 12.10 11.75 Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employe
47、es/1111111001, User=Wing, Bernie Not for Resale, 03/13/2007 22:08:38 MDTNo reproduction or networking permitted without license from IHS -,-,- 3.49 3.97 4.44 5.66 6.97 7.93 10.28 12.19 3.79 4.26 4.73 6.00 7.37 8.31 10.74 12.63 4.38 4.85 5.32 6.67 8.16 9.09 11.66 13.52 4.98 5.44 5.90 7.34 8.96 9.87 1
48、2.58 14.41 _ - - - - - - - 10 I B4210: 1997 Table 2- 2 (continued) Unit: mm Shank diameter d I I informative Shape of end cutting edge Taper half-angie Square end Bali end Flute Over. length all Tolerance 3atted 1 IIengti D i - 3.5; 4.0; 4.5; 5.8: 7.U 8. II 10.62 12.62 3.85 4.35 - - - - - - - - - D2 I Basic Cylindrical $Ize shank h8 :ylindrical ;hank h61 1 I Basic size 2-30 - Toler- Basic Tolerance Basic Tolerana ance size js 12 size js 13 - + lo 2 f0.050 1 10.070 2.5 1.25 3 1.5 1 -:.O18 pri k0.075 4 pri k0.075 4 -$ -0.022