Some standard content:
ICS 25.080.99
J56
JB
Machinery Industry Standard of the People's Republic of China
JB/T6344.1-1999
Gear hobbing machine
Released on 1999-05-20
Series Type Spectrum
Implemented on 2000-01-01
National Machinery Industry Bureau
Released
JB/T6344.1 -1999
Foreword
This standard is a revision of JB/Z333-88 "Gear Hobbing Machine Series Model Spectrum". The technical content of this standard is basically the same as that of JB/Z333-88. The main differences are: 1. Editorial modifications have been made in accordance with relevant regulations: 2. Some modifications have been made to the use, performance and structural characteristics of the gear hobbing machine. This standard is part of the JB/T6344 "Gear Hobbing Machine" series of standards, which includes the following two parts: JB/T6344.1—1999
JB/T6344—1992
Gear hobbing machine series spectrum|| tt||Technical conditions of gear hobbing machine
The standards matching this series of standards are: GB/T8064—1987
GB/T10173--1988
Gear hobbing machine accuracy
Gear machine, parameters
This standard replaces JB/Z333-88 from the date of implementation. This standard was proposed by the National Metal Cutting Machine Tool Standardization Technical Committee. This standard is under the jurisdiction of the Cylindrical Gear Machine Tool Branch, Heavy Machine Tool Branch, and Instrument Machine Tool Branch of the National Metal Cutting Machine Tool Standardization Technical Committee.
This standard was drafted by: Chongqing Cylindrical Gear Machine Tool Research Institute, Wuhan Heavy Machine Tool Research Institute, Chengdu Instrument Machine Tool Research Institute, etc. This standard was first published in November 1988. Scope
Mechanical Industry Standard of the People's Republic of China
Gear hobbing machine
Series spectrum
This standard specifies the series composition, use, performance characteristics, varieties and parameters of gear hobbing machines. This standard applies to newly designed vertical gear hobbing machines with a maximum T piece diameter of 125~12500mm. 2
Quoted standards
JB/T 6344.11999
Replaces JB/Z333-88
The provisions contained in the following standards are incorporated by reference in this standard. Standard provisions. At the time of publication, the editions indicated were valid. All standards are subject to revision and parties using this standard should explore the possibility of using the latest version of the standard listed below. JB/T9871--1999 Metal cutting machine tool precision classification 3 type
The gear hobbing machine type is as shown! , shown in Figure 2.
Picture
Mobile workbench (type)
Picture 2 Mobile column type (Type II)
National Machinery Industry Bureau approved 1999-05-20 2000-01 -01Implementation
.1
Series composition
The series composition of gear hobbing machines is shown in Figure 3.
Gear hobbing machine
Series composition
5 uses and performance
5.1 Universal gear hobbing machine
JB/T6344.11999
Universal||tt| |Gear hobbing machine
High efficiency
Thick gear machine
CNC
Gear hobbing machine
Gear hobbing machine
Precision
Gear hobbing machine||tt| |High precision
Gear hobbing machine
Light duty
Tooth excitation machine
Large module
Gear hobbing machine
Hard tooth surface
Gear hobbing machine
Automatic
Gear hobbing machine
Commercial CNC
Gear hobbing machine
CNC automatic
Gear hobbing machine
Figure 3 Series of gear hobbing machines Composition
The universal gear hobbing machine is a basic series, mainly used for the production and processing of gears in batches, small batches or single pieces in industries such as metallurgy, mining, machine tools, petrochemicals, lifting and transportation. It is mainly used for processing cylindrical spur gears, helical gears and worm gears. When equipped with special accessories or mechanisms, it can process internal gears, herringbone gears, small taper gears and drum gears, etc. This series of machine tools can complete at least one automatic cycle, motorized radial cutting and automatic chip removal, etc. For gear hobbing machines (Type 1) with a maximum T-piece diameter of 125~1250mm, a combined tool holder should be provided for diagonal hobbing. According to the special needs of users, we can provide processing of drum gear mechanisms and processing of small-dimensional gear mechanisms. For gear hobbing machines (Type II) with large T-piece diameters of 1250~12500mm, they should be equipped with ordinary tool holders, single-tooth automatic circulation mechanisms, finger-shaped tool holders for milling external gears, and reverse mechanisms for processing herringbone gears without empty slots, etc. . This machine tool can supply the following accessories or mechanisms according to user needs:
- tangential tool holder;
One plus T drum gear mechanism:
2
Processing small Taper gear mechanism:
One internal gear milling cutter holder;
One internal gear hobbing cutter holder.
JB/T 6344.11999
The machine tool is a V-level precision machine tool specified in JB/T98711999. 5.2 Gear hobbing machine
This series of machine tools is simplified and derived from the universal gear hobbing machine. It is mainly used in the general machinery industry to add T gears in batches, small batches or single pieces. It can process cylindrical spur gears, helical gears and worm gears. This series of machine tools is generally a gear hobbing machine (Type 1) with a maximum T piece diameter of 125~1250mm, which can complete at least one automatic cycle of motorized radial cutting. It is equipped with ordinary tool holder. According to the special needs of users, the following accessories or mechanisms can be supplied: tangential tool holder;
an automatic tool holder;
automatic chip conveyor.
For 1250mm hobbing machine, we can also supply:
single-tooth automatic circulation mechanism;
an external gear finger-shaped milling cutter holder;
internal gear finger-shaped milling cutter holder .
The machine tool is a V-level precision machine tool specified in JB/T9871-1999. 5.3 Precision gear hobbing machine
This series of machine tools is derived from the universal gear hobbing machine by taking measures to improve precision and simplify the derivation. It is mainly used for single-piece, small batch or batch production and processing of gears in industries such as national defense, machine tools, power, ships, instruments, heavy machinery, etc. Using this machine, it can process cylindrical spur gears, helical gears and worm gears, and its T-gear accuracy is at least one level higher than that of a universal gear hobbing machine. The machine tool is a Class IV precision machine tool specified in JB/T9871-1999. 5.4 High-precision gear hobbing machine
This series of machine tools is generally derived from the universal gear hobbing machine and is mainly used for gear production in the national defense, steam turbine, machine tool, power and other mechanical industries. Can process cylindrical spur gears, helical gears and worm gears. The main feature of this series of machine tools is that technical measures have been taken to improve the accuracy and stiffness of the machine tool's transmission pairs and supports. Its T-gear accuracy is at least two levels higher than that of the universal type. This series of machine tools generally does not have tangential tool holders, single-tooth automatic circulation mechanisms and finger-shaped milling cutter holders. The machine tool is a Class III precision machine tool specified in JB/T9871-1999. 5.5 Light gear hobbing machine
This series of machine tools is generally derived from the universal gear hobbing machine (Type II) with a maximum workpiece diameter greater than 1250mm. It is mainly used for single-piece, small batch or batch production and processing of gears in the general heavy machinery industry. For processing toilet column spur gears, helical gears and worm gears, the performance, structural features and accessories or mechanisms of this series of machine tools are the same as those of the universal type. The machine tool is a V-level precision machine tool specified in JB/T9871--1999. 5.6 Large module gear hobbing machine
This series of machine tools is simplified and derived from the universal gear hobbing machine by taking special technical measures to improve stiffness and load-bearing capacity. It is mainly used for metallurgy. Mining, locomotives, forging and other heavy machinery industries produce batches, small batches or single pieces of cylindrical spur gears, helical gears and worm gears with larger modules and fewer teeth 3
JB/T 6344.1—1999||tt || wheel, its maximum module is generally not less than 1.6 times that of the corresponding basic machine tool, and the minimum number of additional teeth is not more than 8 teeth. For machine tools with specifications greater than or equal to 1000mm, its maximum module is not less than 1.25 times that of the corresponding basic machine tool. The minimum number of teeth processed is no more than 12 teeth. The machine tool is a V-level precision machine tool specified in JB/T9871~1999. 5.7 Hard tooth surface hobbing machine
This series of machine tools is derived from the universal gear hobbing machine which adopts special technical measures such as increasing the rigidity of some transmission components and supports and eliminating gaps on the workbench and hob box. It is mainly used for machine tools, metallurgy , locomotives and other machinery industries can process spur gears, helical gears and worm gears with tooth surface hardness of 45~62HRC in batches, small batches or single pieces. The machine tool is a V-level precision machine tool specified in JB/T9871--1999. 5.8 High-efficiency gear hobbing machine
The high-efficiency gear hobbing machine is a basic series. It is mainly used for mass production of gears in automobiles, tractors and other industries and professional gear manufacturers. It can process cylindrical spur gears, helical gears and worm gears. This series of machine tools is generally a gear hobbing machine (Type II) with a maximum T. piece diameter of 125~320mm, which can complete at least one automatic cycle, motorized radial cutting, automatic chip removal and automatic mist suction, etc. According to user needs, it can also be equipped with automatic clamping device for workpieces. The machine tool is a V-level precision machine tool specified in JB/T9871-1999. 5.9 Automatic gear hobbing machine
This series of machine tools is derived from a high-efficiency hobbing machine. It is mainly used for mass production and processing of gears in automobiles, tractors and other industries as well as professional gear manufacturers. It can process cylindrical spur gears, helical gears and worm gears. In addition to the performance and structural features of a high-efficiency gear hobbing machine, this series of machine tools should also be equipped with automatic workpiece clamping devices, automatic loading and unloading devices and automatic feeding devices (automatic silos), which can realize stand-alone automation or can be used in conjunction with an automatic line. . The machine tool is a V-level precision machine tool specified in JB/T9871-1999. 5.10 CNC gear hobbing machine
CNC gear hobbing machine is a machine tool whose main movement has a computer numerical control closed-loop (semi-closed-loop) system. It is mainly used for small batch single-piece and multi-variety production and processing of gears in various machinery industries. It can add T cylindrical spur gears, helical gears and worm gears, and can also process special gears such as drum gears, small taper gears and non-circular gears. The main features of this series of machine tools are: the horizontal movement of the machine tool table (or column), the vertical movement of the tool holder to clear the plate, the rotary motion of the worktable, and the rotary motion of the spindle are controlled by computer digital closed loop (semi-closed loop) and Drive, so that their respective motions and combined motions meet the needs of processing performance. Computer numerical control drives can also be used for the tangential automatic feed of the machine tool holder slide or the tool holder rotation to achieve automatic tangential feed or automatic rotation of the tool holder. Bit. This series of machine tools can complete at least one automatic cycle, motorized radial cutting, automatic chip removal, etc. The machine tool should be equipped with an automatic clamping device for the workpiece. The machine tool should be a V-level precision machine tool specified in JB/T9871-1999. 5.11 Simple (economical) CNC gear hobbing machine. The simple CNC gear hobbing machine is a machine tool with a computer numerical control open-loop system for part of the movement of the machine tool. It is mainly used for batch, small batch or single-piece production and processing of gears in various machinery industries. It can process cylindrical straight wheels. Gears, helical gears and worm gears, T drum gears and small taper gears can also be added. The main features of this series of machine tools are: it can adopt computer digital open-loop control and drive for the horizontal movement of the machine tool's workbench (or column) and the vertical movement of the tool rest slide, so that the respective movements and combined movements can meet the needs of processing. Performance requirements: The machine tool is a V-level precision machine tool specified in JB/T9871-1999. This series of machine tools can complete at least one automatic cycle and motorized radial cutting. 4
5. 12 CNC automatic gear hobbing machine
JB/T 6344.11999
CNC automatic gear hobbing machine is derived from CNC gear hobbing machine. Mainly for automobile, tractor, motorcycle and other industries and professional gear manufacturing! It is used for mass production and processing of gears. It can process cylindrical spur gears, helical gears and worm gears. It can also add special gears such as T drum gears, small taper gears and non-sterile gears.
In addition to the performance and structural features of a CNC gear hobbing machine, this series of machine tools should also be equipped with automatic loading and unloading devices and automatic feeding devices, which can be used automatically as a stand-alone machine or connected to an automatic line. When the machine tool is equipped with an automatic tool exchange device, it can be incorporated into the gear flexible T-adding system. The machine tool is a V-level precision machine tool specified in JB/T9871--1999. Variety
6
The varieties of gear hobbing machines are shown in Table 1.
Table 1
Maximum
1.piece
Diameter
D
mm
125
200
320
400
500
630
800
1000
1250
1600| |tt||2000
2500
3150
4000
5000
8000
12500
Force||tt ||energy
concentrated
teeth
machine
o
0
parameters
7
Teeth
Machine
o
o
Q
0
O
Precision
Dense| |tt||Machine
O
0
￥
Module
Number
Roll
Form||tt ||hard
teeth
surface
thick
teeth
machine
o
1
Number
Control
Tooth
Machine
Simple
Formula
Number
Control
Roll| |tt||teeth
number
control
automatic
moving
roller
teeth
machine||tt ||million
energy
roll
teeth
machine
0
precision
density
liquid
teeth
machine
fine
degree
o
light
type
roll| |tt||0
o
O
o
type
large
module
number||tt ||Concentrated
Tooth
Machine
O
0
0
Form
High
Effective
Tooth
Machine
O
o
o
High
Efficiency
Yes| |tt||Move
Roll
Tooth
Q
0
o
Number
Control||tt ||Specialized
Machine
o
o
o
0
Universal gear hobbing machine, gear hobbing machine, hard tooth surface hobbing machine, CNC gear hobbing machine , the parameters of the simple CNC gear hobbing machine are shown in Table 2. 7.1
quotient
formula
number
control
zi
o|| tt||o
O
o
control
automatic
motion
concentrated
machine||tt| |Q
0
O
O
Maximum 1 piece point diameter D
Maximum module m
Skateboard stroke length L| |tt||Maximum plus 1 helix angle βB
mm
mm
mm
Maximum installation rolling force true diameter dmm
Rolling mandrel diameter d,
Hob spindle taper hole dimension
(four chain numbers)
Workbench aperture d
1. Workbench diameter D,
upper Piece mandrel dimension
(Mohs horn)
Load-bearing
Maximum spindle speed n
Maximum axial feed
(.L .Working table)
Main motor power P
mm
mm
mm
r/min
mm/r||tt ||kw
125
2
125
71
13,16
22, 27
4| |tt||60
160
4
2
1.5
200
4
160||tt ||112
JB/T '6344.11999
Table 2
320
6
200
140
22 , 27
32.40
mo
80
250
400
4
100
320
The parameters of precision gear hobbing machine and high-precision gear hobbing machine are shown in Table 3. 7.2
Maximum upper part diameter D
Maximum module m
Skateboard stroke length L
Maximum plus helix angle β
mm||tt| |mm
mm
Maximum installation roller diameter 4
mm
With force mandrel diameter d,
Hob spindle taper hole taper| |tt|| (cone number)
1 table aperture d,
1. table diameter D,
1 mandrel dimension
Taper number)
1 worktable load-bearing
Maximum shaft speed n
Maximum axial feed
"Upper worktable)
Motor power P
6
mm
mm
mm
r/min
mm/r
kw||tt ||125
2
125
71
1316
22, 27
60
160||tt ||4
4
200
4
160
112
22.27
32, 40||tt ||80
200
320
2
1.5
500
8
320
160
800
10
400
1250
16
630
± 450
200
27.32
40.50
的
3
120
400
5
320|| tt||5.5
Table 3
500
6
320
160
Mo
shi||tt ||120
400
5
280
3
网
160
630
280
7.5
800
8
400
200
27, 32
40,50||tt ||Reads
160
630
250
4
235
金
200
1000
5
200
4
10
1250
10
630
± 45 °
235
cone
200
1000
5
160
4
5.5| |tt||20
2000
800
280
32.40
50. 60
6
300| |tt||25
1000
320
400
1600
e
10
15||tt ||85
2000
800
280
32.40
50, 60
6
300||tt ||1600
6
10
85
7.5
15
17
3150
32
5000
40
1600
380
420
40, 50
60,80||tt ||Metric cone
80
1000
2500
40
3600
65
40||tt| |22
3150
16
380
1600
5000
420
40.50
60.80
To make Long Cone
80
1000
2500
40
13
40
The parameters of 3600
65
18
7.3 large module gear hobbing machine are shown in Table 4. Maximum workpiece diameter D
Maximum module m
Slide travel length L
Maximum machining helix angle β
Maximum installed expansion knife diameter d
Hob spindle diameter d,
Hob spindle taper hole taper (taper number)
I\ work table aperture d
work table diameter D,
1. Piece spindle taper (Morse cone number)
Workbench load-bearing
Micro-maximum spindle speed n
Maximum axial feed (workbench)
Main motor Power P
7. 4
mm
mm
mm
mm
mm
mm||tt| |mm
r/min
mm/r
kw
The parameters of the light gear hobbing machine are shown in Table 5.
Maximum workpiece diameter D
Maximum module m
Skateboard stroke length L
Maximum plus L end travel angle β
Maximum installation case force diameter d
Liquid cutter spindle diameter 4,
Hob cutter spindle taper hole arrangement (Yuanjin number)
1. Work table aperture 4
1 work table diameter D ,
Workpiece spindle taper (Morse cone number)
1. Work table load-bearing
Maximum spindle speed piece
Maximum axial feed (.1. Workstation)
Feng Motor Power Household
mm
mm
mm
mm
mm
mm|| tt||mm
r/min
mm/r
kw
JB/T 6344.1—1999
Table 4
400
12
400
225
630
16
500
235
32, 40 , 50, 60
俞
100
400
280
7.5
1600
16||tt| |630
235
120
630
250
10
Table 5
2500
25 | |tt||200
10
6
6
circle
400
1600||tt ||15
85
17
6
6
3150
cone
net
1000
20
800
± 450
280
1600
25
1000
320
40, 50.60、80
黣
160
1000
5
160
4
15
4000
± 45a
380
2500
40
4
32
*
5000
1600
400
1600
15
85bzxZ.net
22
8000
2000|| tt||32
1600
380
米制网话
80
12500
40
420|| tt||40、50.60、80
制
80
圆
1000
3600
65
40
22
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