JB/T 9993-1999 This standard is a revision of ZB J41 009-89 "Keyway broaches with side teeth". During the revision, the performance test chapter was deleted, and editorial modifications were made in accordance with relevant regulations. Other technical contents remained unchanged. This standard specifies the types and dimensions of keyway broaches with side teeth, technical requirements and basic requirements for marking and packaging. This standard is applicable to keyway broaches with side teeth for processing wheel hub grooves with a keyway width of 6~40mm and a surface roughness of Ra2.5μm in GB/T 1095-1979 "Flat keys, keys and keyways and profile dimensions". This standard was first published on the date of year. JB/T 9993-1999 Keyway broaches with sheared teeth JB/T9993-1999 Standard download decompression password: www.bzxz.net

IC'S25.100
Machinery Industry Standard of the People's Republic of China
JB/T9993-1999
Keyway broach with side teeth
1999-05-20 Issued
National Bureau of Machinery Industry
2000-01-01 Implementation
JB7r9093-1999
「Fanli
2 Standard strength
3 Level and
-1 Technical requirements
Marking and packaging
Appendix (point prompt record) Type A batch knot size and tooth rise Appendix B (suggestive record) Type B tension unified size and tooth rise table Appendix C (indicative appendix) Type fine tension knot size and tooth rise clause
FB/T5993-1999|| tt||This standard is a revision of 2DJ41009-1999 broaches with side teeth and keyways. The performance test chapter was deleted during the revision, and the relevant provisions were revised and supplemented. Other technical contents remained unchanged. This standard replaces 2[41009-1999 from the date of implementation. The appendix A, appendix B and appendix C of this standard are all appendices. This standard is proposed and managed by the National Technical Committee for Tool Standardization. The responsible drafting unit of this standard: Harbin Institute of Complex Cutting Tools, Shuangjiang Institute of Technology. The main drafters of this standard: Liu Dezhuang, Sun Lixiang, Yu Jin. Fan Zhou
Machinery Industry Standard of the People's Republic of China
Broaches with Side Tooth Keyway
JB/T9993-1999
Replaces ZB1419
This standard specifies the type and size, technical requirements and basic requirements for marking and packaging of broaches with side teeth and keyways. This standard applies to 1: GB/T1095-1979 Flat chain and chain with a width of 6~40mm, and a surface roughness of 2.5K. Reference standards for side toothed key broaches for special wheels. The following standards contain provisions that constitute the provisions of this standard through reference in this standard. When this standard is published, the versions shown are valid. All standards may be revised; the parties using the standards shall discuss the use of the latest versions of the following standards. GB/T 1095-1979
Flat key surface dimensions
GB/T3832.5-19B3 Broaches with rectangular shanks and basic dimensions 3 Types and dimensions
3. 1 Type
The structure types of the belt surface extension broaches (hereinafter referred to as broaches) specified in this standard are divided into type A and type R. See Figure for type A broaches! ： B-type puller is composed of two parts, twist puller is shown in Figure 2, and precision puller is shown in Figure 3. EBBBE
Figure IA type puller
Approved by the State Administration of Machinery Industry on 1999-05-20 Implemented on 2000-01-01
JE/T 9993—1999
Final 2 B type rough proof knife
HBHHHHH
AHHHEEHHE
3 B Type of pull
A type anti-knife specification according to table 1 and Appendix A (suggested appendix): B type pull knife specification according to table 2 and Appendix B [suggested appendix: R type tension specification according to table 5 and Appendix (suggested appendix)?
Working conditions and pulling agent type
15--50
8G-120
50--B0
KTl--120
8o-121
120-180
8m1- 120
120-180
60~120
120-180
xi- 12h
124)--180
186-261
60-126
124-180
180-260
748248
JB/T9993-1999
Calibration tooth width should be small
Upper matching form
10.0110.090
12.01212.108
14.01214.108
16.012 16.108
18.012:19.108
20.017120.137
2196922.n17
24 96925.017
(1180)
(1019)
(1305)
(1315)
(1560)
11175)
(142h)
Front Temple Department
11065j
Gate 2 40)
Gate 5C0)
(1255)
115291
Gate 319)
(1585)
(215m)
(13x5)
(17E0)
(t165)
! Top surface
Relative to the port
Gu Kegaojing
32.4832.45
14.J0832.60
(1405)
Wave width
Basic size
T-type de-grid pull parameter
Pull length
80-120
120-180
tt||80-! 20 | | tt | | 120r-380 | 1
180 --260
260-360
120-180
180--260
260-3611
Broaching will cause urine
Original sex film
3/T99931999
Liu Roukuankang
Real number before pulling
Main structural dimensions of pulling||t | [1955]||tt ||(129)
(1635)
(1193)
(1590)
(1015)
(1270)
[1650]
[1245]
[1595]
Leader
.59.9 2
40 168
Calibration steps
1. New dyeing
Stretching long equipment
50 -8G
8G-180
50 -80
180-260
86--160
L80-260
120--2G0
260~360
120-260
266-36u
12c-2hll
2GF-3G0
3.3 Marking example
JR/T9993--1999
Pulling main
Pulling total length
(8 70)
(1640)
(1040)
(1040)
Front guide
Center width
Xianwan Street
Pre-sale height
40- 76
The A-type broach with face tooth key has a width of 10mm, a limit deviation of 159, a cutting length of 50-80LLrL, and a front angle of 15\. Its marking is:
With face tooth key point A10JS9
15°50-80BT99931999 (for rough drawing, mark 1: for rough drawing, mark B2.
4 Technical requirements
Turn and pull The surface of the tool shall not have cracks, scratches, rust and other defects that affect the use of the tool. 4.2 The broach should be sharp and free of burrs, auxiliary edges and wear. 4.3 The broach should be of high quality and not break. 4.4 The main surface standards of the broach should include the following specifications: a) Surface of the tooth belt: RtGum:
6) Front and back of the tooth: R3.2Hm;
e) The sides and bottom of the tool body: R.63m||tt| |4.5 The dimensions of each part of the broach are subject to the limit deviation of the rough cutting tooth height according to Table 40.08
JBT9993-1999
The limit deviation of the tooth height of the torsion cutting tooth
is calibrated with the limit deviation of the tooth height of the torsion cutting tooth
-0.02mm; and the limit deviation of the tooth height of the fine cutting tooth with the same size as the -h) item is controlled and the internal deviation of the cutting is greater than 0.007mmc|| tt||For example, the side tooth height H dimension and the actual measured value of the calibration height of the A-type broach are connected.
d) The leading part height, the size limit deviation shall be in accordance with JS104.6 broach convex case size limit deviation
item face tooth width size limit deviation is +0.01smm1, and the face tooth precision gear tooth size limit deviation shall be in accordance with Table 5. s
> 0-1k
>18--30
>30~40
For the smallest tooth size, there is a type of pull-type ... 0.860.020
The width B size of the blade body of the door broach is limited to 7
4. The straightness of the bottom and side surfaces of the blade is measured. The total value for every 3UUmm length is from Table 66
>16-40
JD/T9993-1999
4. The measurable parallel tolerance of the tooth side is 0.25m. The bottom and side straightness tolerance is recommended.
4.9 The side cutting tolerance is equal to the calibrated tooth width tolerance value mm
4.1 The symmetry tolerance of the center plane and the side straight plane of the blade body is equal to the tooth alignment tolerance value. The width of the guide part of the broaching machine for two or more times of broaching can be kept consistent with the width of the teeth on the side of the body, and the width of the shank type and belt size are 4 feet according to GB/3$32.1. The shape and position tolerances of the shank groove must be as shown in Figure 4s.aa
4.12 The minimum limit difference of the length of each part of the broach shall be as follows: a) The total length of the broach is less than or equal to 10mm
; the total length of the broach is greater than 1000mml
b) The length of the front and rear guide parts
The length of the inner part and the calibration part is
4.13 The limit difference of the broach and angle; a)
) Cutting tooth back angle
) Calibration step back angle
±3mm:
±2mm;
±2mm,
4.14 The broach is made of W6Mo5 core r4V2 or other high-speed steel with equivalent performance. 4.15 Heat treatment hardness of broach:
Blade, rear guide
-lead
Surface treatment is allowed.
5Marking and packaging
JB/T9993—1999
63-66HRC:
60--66HRC;
45~SBHRC.
5.1.1 The broach handle should be clearly marked with: manufacturer's trademark, product type and specification, rake angle, broach length, broach material (not marked in high-speed vehicles).
5.2.2 The broach packaging box should be marked with: manufacturer's name, address and trademark, product name, standard number, product type and specification, rake angle, broach length, broach material, number of pieces, and year of manufacture. 5.2 Packaging
The broach blade should be buried in the anti-casting place before packaging. The packaging must be firm and can prevent damage during storage and transportation. The seal is valid for one year.
The AIA type position force structure is in accordance with Table AI.
|Total length
18-301
30·-50
8(--[20
50--BD
86-12U
1000168
80-120
120-180
JB/T9993-1999
Appendix A
(Suggested Appendix)
A-type broach structure dimensions and tooth rise table
Broach stand dimensions
Shouya tooth
Side and step
Symbol female is
25 , 13
30 [11.520
31 ; 211. The symmetry degree of the center surface of the tool face and the side straight calibration is equal to the symmetry degree of the center surface of the tool. The width of the tool teeth of the tool face ... The shape and position tolerances of the shank groove must be as shown in Figure 4s.aa
4.12 The minimum limit difference of the length of each part of the broach shall be as follows: a) The total length of the broach is less than or equal to 10mm
; the total length of the broach is greater than 1000mml
b) The length of the front and rear guide parts
The length of the inner part and the calibration part is
4.13 The limit difference of the broach and angle; a)
) Cutting tooth back angle
) Calibration step back angle
±3mm:
±2mm;
±2mm,
4.14 The broach is made of W6Mo5 core r4V2 or other high-speed steel with equivalent performance. 4.15 Heat treatment hardness of broach:
Blade, rear guide
-lead
Surface treatment is allowed.
5Marking and packaging
JB/T9993—1999
63-66HRC:
60--66HRC;
45~SBHRC.
5.1.1 The broach handle should be clearly marked with: manufacturer's trademark, product type and specification, rake angle, broach length, broach material (not marked in high-speed vehicles).
5.2.2 The broach packaging box should be marked with: manufacturer's name, address and trademark, product name, standard number, product type and specification, rake angle, broach length, broach material, number of pieces, and year of manufacture. 5.2 Packaging
The broach blade should be buried in the anti-casting place before packaging. The packaging must be firm and can prevent damage during storage and transportation. The seal is valid for one year.
The AIA type position force structure is in accordance with Table AI.
|Total length
18-301
30·-50
8(--[20
50--BD
86-12U
1000168
80-120
120-180
JB/T9993-1999
Appendix A
(Suggested Appendix)
A-type broach structure dimensions and tooth rise table
Broach stand dimensions
Shouya tooth
Side and step
Symbol female is
25 , 13
30 [11.520
31 ; 211. The symmetry degree of the center surface of the tool face and the side straight calibration is equal to the symmetry degree of the center surface of the tool. The width of the tool teeth of the tool face ... The shape and position tolerances of the shank groove must be as shown in Figure 4s.aa
4.12 The minimum limit difference of the length of each part of the broach shall be as follows: a) The total length of the broach is less than or equal to 10mm
; the total length of the broach is greater than 1000mml
b) The length of the front and rear guide parts
The length of the inner part and the calibration part is
4.13 The limit difference of the broach and angle; a)
) Cutting tooth back angle
) Calibration step back angle
±3mm:
±2mm;
±2mm,
4.14 The broach is made of W6Mo5 core r4V2 or other high-speed steel with equivalent performance. 4.15 Heat treatment hardness of broach:
Blade, rear guide
-lead
Surface treatment is allowed.
5Marking and packaging
JB/T9993—1999
63-66HRC:
60--66HRC;
45~SBHRC.
5.1.1 The broach handle should be clearly marked with: manufacturer's trademark, product type and specification, rake angle, broach length, broach material (not marked in high-speed vehicles).
5.2.2 The broach packaging box should be marked with: manufacturer's name, address and trademark, product name, standard number, product type and specification, rake angle, broach length, broach material, number of pieces, and year of manufacture. 5.2 Packaging
The broach blade should be buried in the anti-casting place before packaging. The packaging must be firm and can prevent damage during storage and transportation. The seal is valid for one year.
The AIA type position force structure is in accordance with Table AI.
|Total length
18-301
30·-50
8(--[20
50--BD
86-12U
1000168
80-120wwW.bzxz.Net
120-180
JB/T9993-1999
Appendix A
(Suggested Appendix)
A-type broach structure dimensions and tooth rise table
Broach stand dimensions
Shouya tooth
Side and step
Symbol female is
25 , 13
30 [11.520
31 ; 21
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