JIS-B-4114-1993-ENG.pdf
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1、J I S B*4LL4 93 4933608 0523877 392 UDC 621.914.2.025.7 : JIS JAPANESE INDUSTRIAL STANDARD Parallel shank end mills brazed with cemented carbide tips Translated and Published by Japanese Standards Association Printed in Japan 7 s Copyright Japanese Standards Association Provided by IHS under license
2、 with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/13/2007 07:18:20 MDTNo reproduction or networking permitted without license from IHS -,-,- JIS B*4114 93 4933608 0521878 229 * In the event of any doubt arising, the original Standard in Japanese is to be final authorit
3、y. Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/13/2007 07:18:20 MDTNo reproduction or networking permitted without license from IHS -,-,- UDC 62 1.9 14.2.025.7 JAPANESE INDUSTRIAL STANDARD J I
4、S Parallel shank end mills brazed with cemented carbide tips B 4114-1993 1. Scope mills brazed with cemented carbide tips (hereafter, referred to as “end mills“). This Japanese Industrial Standard specifies the parallel shank end t Remarks: The standards cited in this Standard are given in the follo
5、wing: JIS B 0021 Indications of geometrical tolerances on drawings JIS B 0172 Glossary of terms for milling cutters JIS B 0405 General tolerances - part 1: Tolerances for linear and angular dimensions without individual tolerance indications (IS0 2768-1: 1989) JIS B 0601 Definitions and designation
6、of surface roughness JIS B 0659 Roughness comparison specimens JIS B 1011 Centre holes JIS B 1501 Steel balls for ball bearings JIS B 4053 Hard tool materials and classification of applicabil- ity JIS B 4104 Hard tool material tips JIS B 7153 Toolmakers microscopes JIS B 7502 Micrometer callipers fo
7、r external measurement JIS B 7503 Dial gauges JIS B 7507 Vernier, dial and digital callipers JIS B 7513 Precision surface plates JIS B 7517 Vernier, dial and digital height gauges JIS B 7526 Squares JIS B 7540 V-blocks JIS G 4105 Chromium molybdenum steels JIS G 4401 Carbon tool steels ? 2. Definiti
8、ons For the main terms used in this Standard, the definitions in L JIS B 0172 apply. Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/13/2007 07:18:20 MDTNo reproduction or networking permitted with
9、out license from IHS -,-,- JIS B+4114 93 M 4933608 0521880 987 M With centre cutting edge 2 B 4114-1993 2 BED No. 2000 class 3 BED No. 3000 class 3. Types the presence of the centre cutting edge and the number of flutes. The types of the end mills shall be as given in Table 1 according to Without ce
10、ntre cutting edge Table 1. Types 4 BPD No. 4000 class 6 BPD No. 6000 class Type I Number of flutes I Nominal symbol 4. be in accordance with Table 2 and Table 3. Shapes and dimensions The shapes and dimensions of the end mills shall Copyright Japanese Standards Association Provided by IHS under lice
11、nse with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/13/2007 07:18:20 MDTNo reproduction or networking permitted without license from IHS -,-,- J I S B+4LL4 93 W 4933608 0521881 813 BED 2180 S BED 2200 S BED 2220 S BED 2240 S BED 2240 L BED 2250 S BED 2250 L BED 3180 S
12、 18 BED 3200 S 20 BED 3220 S 22 BED 3240 S 24 BED 3240 L BED 3250 S 25 BED 3250 L 3 B 4114-1993 Table 2. With centre cutting edge Two-flute Unit: mm - will nsui L 80 - - 95 - 115 - 125 140 125 140 125 140 150 - - - - - - - 160 - Nominal symbol I Outside diameter . E Shank diameter d Informative refe
13、rence Shank length Is 56 60 70 85 70 85 rolerances h8 O - - 0.027 I Basic 1 Tolcr- dimension ancc I Two-flute Basie dimensioi 12 BED 2100 S BED 2110 S BED 2120 S BED 2140 S BED 2150 S RED 2160 S BED 3160 S 16 BED 3140 S BED 3150 S 8.5 to11.5 9 to11.5 10.5 to15.5 11.5 to15.5 12 to15.5 14 to19.5 2.5 1
14、6 20 25 O - 0.033 16 to 19.5 18 to 19.5 20.5 to24.5 70 85 32 O - 0.039 3ED 2320 s 1 BED 3320 S 27 to 31.5 BED 2350 S BED 3350 S BED 2400 S BED 3400 S 40 32 41) (422) BED 2400 (BED (42) 32 35 to41.5 30 to31.5 5-42) 45 S S . S-42) BED BED (RED - -40 I BED 3450 S-40 I 40 32 40 (42) (42) I I (BED 3450 S
15、-42) 1 - BED 2500 S I BED 3500 S - I BED 2500 S-40 1 RED 3500 S-4 (BED 2500 S-42) I (BED 3500 S-42) Remarks 1. The tolerances on tl,c ovcrall length L and shank length Is shall be the coarse class specified in JIS B 0405. 2. The centre hole shall be the Type B or Type C of 60“ centre hole specified
16、in JIS B 1011. 3. The centre cutting edge shall be extended to the opposite side with some allowance, passing through 4. The connecting method of the centre cutting edge with the peripheral cutting edge is not specified, 5. The helix of the peripheral cutting edge shall be of right hand helix, and t
17、he helix angle shall be about 6. The corner part may be chamfered. 7. The end cutting edge should preferably be concaved. 8. The margin width of the peripheral cutting edge shall be 0.05 mm or under. 9. It shall be provided with chip pockets sufficient for use to a degree not deteriorating the rigid
18、ity of the the centre of rotation approximately. however, the connecting part shall be connected without any clearance as far as possible. 30“. body. 10. The neck and the parallel shank shall be connected smoothly. 11. Those of nominal symbols which are given in parentheses should preferably be not
19、used. Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/13/2007 07:18:20 MDTNo reproduction or networking permitted without license from IHS -,-,- J I S B*4LL4 93 W 4933b08 0521882 75T Shank diameter
20、 d Oveml Jeck diameter d, 10.5to15.5 Nominal centre hole 2 4 B 4114-1993 Table 3. Without centre cutting edge Four-flute Six-flute L-* Is Unit: mm Informative reference Nominal symbol IOutside diameter LI Shank length IS - Flute lengtk 1 25 - 32 - 40 - 50 Four-flute six-flute Basic dimension I Toler
21、- ances 3asic iimension Poleranees -0.033 k0.05 16 20 25 32 60 70 14 15 16 18 20 22 24 25 28 30 32 35 38 40 11.5 to 15.5 14 to 19.5 BPD 4200 S I 16 to 19.5 19.5 to24.5 BPD 4240 L I 85 70 85 23 to 24.5 25 to 31.5 27 to 31.5 30 to 31.5 33 to 39.5 33 to 41.5 30 to 31.5 35 to 39.5 35 to 41.5 30 to 31.5
22、35 to 39.5 35 to41.5 30 to31.5 35 to39.5 35 to41.5 I BPD 4280 S I I 125 70 85 - 0.039 BPD 4320 S BPD 4380 S BPD 4380 S-40 BPD 4400 S 40 (42) 32 41) (42) I BPD 6450 S I 45 32 63 40 (42) I , I I BPD 6500 S I 50 32 I BPD 6500 S-40 I 40 (42) I (BPD 6500 S-42) I Remarks 1. The tolerances on the overall l
23、ength L and shank lcngth Is shall be the coarse class specified in JIS B 0405. 2. The centre hole shall be the Typo B or Type C of 60“ centre hole spccified in JIS B 1011. 3. The helix of the peripheral cutting edgc shall be of right hand helix, and the helix angle shall be about 4. The corner part
24、may be chamfcrcd. 5. The end cutting edgc should prcferably be concaved. 6. The margin width of thc pcriphcral cutting edge shall be 0.05 mm or under. 7. It shall be provided with chip pockets sufficicnt for use to a degree not deteriorating the rigidity of the 8. The neck and the parallel shank sha
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