This standard specifies the types and basic parameters, technical requirements, test methods and inspection, marking, packaging, transportation and storage of ball mills and rod mills. This standard applies to ball mills and rod mills (hereinafter referred to as mills) for grinding ores, rocks and other suitable materials of various hardness in wet and dry processes. JB/T 1406-2002 Ball mill and rod mill JB/T1406-2002 Standard download decompression password: www.bzxz.net

ICS 73.120
Machinery Industry Standard of the People's Republic of China JB/T 1406--2002
Replaces JB/T1406-1993
Ball mill and rod mill
Issued on July 16, 2002
Implemented on December 1, 2002
Issued by the State Economic and Trade Commission of the People's Republic of China Foreword.
Scope.
Normative reference documents
Type and basic parameters
Technical requirements,
Basic requirements
Performance requirements of the whole machine,
Requirements for main components
Assembly technical requirements
5Test methods and inspection rules
6Marking, packaging, transportation and storage·
Figure 1 Wet grate ball mill
U-type grate ball mill
Overflow ball mill
Wet rod mill.
Basic parameters of wet grid ball mill,
Basic parameters of dry grid ball mill
Basic parameters of overflow ball mill
Basic parameters of wet rod mill
Table 5 Tolerances of radial runout and axial swing of end coverTable 6 Tolerances of end face swing
Table 7 Size and gear tooth side clearance
To be measured,
JB/T 1406--2002
This standard replaces JB/T1406-1993 "Ball Mill and Rod Mill". Compared with JB/T1406-1993, the main changes of this standard are as follows: Added the clause that it is recommended to use air clutch when the main motor adopts synchronous motor. JB/T1406--2002
Added the requirement for the use of dynamic and static pressure main bearings and high and low pressure lubrication stations for mills with a barrel diameter greater than or equal to Φ2700mm
-Added the requirement for the provision of necessary auxiliary machines as needed for mills with a barrel diameter greater than or equal to Φ2700mm. Added the material of the mill barrel lining, such as rubber lining and magnetic lining. Added the technical requirements for main parts and assembly. This standard is proposed by the China Machinery Industry Federation. This standard is under the jurisdiction of the National Technical Committee for Standardization of Mining Machinery (SAC/TC88). This standard is drafted by Shenyang Heavy Machinery Group Co., Ltd. The main drafters of this standard are: Li Huixiu, Yang Lijie, and Yang Xianli. The previous versions of the standards replaced by this standard are: -JB 1406--1974, JB/T 1406-1993. Scope
Ball mill and rod mill
JB/T 1406--2002
This standard specifies the types and basic parameters, technical requirements, test methods and inspection rules, as well as marking, packaging, transportation and storage of ball mills and rod mills.
This standard is applicable to ball mills and rod mills (hereinafter referred to as mills) for grinding ores, rocks and other suitable materials of various hardness in wet and dry processes.
2 Normative references
The clauses in the following documents become the clauses of this standard through reference in this standard. For any dated referenced document, all subsequent amendments (excluding errata) or revisions are not applicable to this standard. However, the parties to an agreement based on this standard are encouraged to study whether the latest versions of these documents can be used. For any undated referenced document, the latest version shall apply to this standard. GB/T1804—2000—General tolerances Tolerances of linear and angular dimensions without tolerance indication (eqvISO2768-1:1989)GB/T3768—1996 Acoustics—Determination of sound power level of noise source by sound pressure method—Simplified method using envelope measurement surface above reflecting surface (eqvISO 3746:1995)
GB/T 5680—1998
GB/T 13306—-1991
High manganese steel castings
JB/T 5000.3---1998
General technical conditions for heavy machinery Welded parts
General technical conditions for heavy machinery Steel castings
JB/T 5000.6--1998
General technical conditions for heavy machinery Forgings
JB/T 5000.8—1998
JB/T 5000.13—1998
General Technical Conditions for Heavy Machinery Packaging
3 Types and Basic Parameters
3.1 The types of mills are shown in Figures 1, 2, 3 and 4. These figures do not specify the specific structure. 3.2 The basic parameters shall comply with the provisions of Tables 1, 2, 3 and 4. Figure 1 Wet grate ball mill
JB/T 1406-2002
Figure 2 Dry grid ball mill
Overflow ball mill
Figure 4 Wet rod mill
MQ—0909
MQ--0918
MQ--1212
MQ-1216
MQ-1224
MQ-1515
MQ--1522
MQ-1530
MQ—2122
MQ—2130
MQ2424
MQ— 2430
MQ--2721
MQ—2727
MQ-2736
MQ—3230
MQ-3236
MQ3245
MQ3639
MQ-3645
MQ-3650
SimplifiedbzxZ.net
Effective volume
Basic parameters of wet grid ball mill
Ball loading
MQ--3660
Note 1: The machine reference weight does not include the weight of the main motor. Working speed
.I/min
34.0~~39.2
34.0~39.2
29.5~~33.5
29.5~33.5
29.5~33.5
26.5~29.8
26.5~29.8|| tt||26.5 ~29.8
22.2~25.2
22.2~25.2
20.8 ~23.5
20.8-~23.5
19.6~22.2
19.6~~22.2
18.0~-20.4
18.0~~20.4
17.0~19.2
17.0~19.2
17 .0~19.2
Main motor
≤210
≤210
≤260
≤400| | tt | 0.074
0.3~0.074
0.3-0.074
0.3~0.074
0.3 ~0.074
10.3-~0.074
0.3~0.074
0.3-0.074
0.3-~0.074
0.3~0.074
0.3~0.074
0.3~0.074
Note 2: The output in the table is estimated, and the feed particle size is 25mm~~0.8mm of medium hardness ore. Cylinder
MQG—0918
MQG—1212
MQG—1216
MQG--1224
MQG—1515
MQG—1522
MQG—1530
MQG—2122
M QG--2424||tt| |MQG--2430
Simplified
Effective volume
Basic parameters of grid type ball mill
Ball loading
Working speed
34.0~~39.2
34.0~39.2
29.5~33.5
29.5~33.5
26.5 ~29.8
26.5~29.8
26.5~~29.8
22.2~25.2
20.8~23.5
20.8~23.5
Main motor| |tt||≤210
≤240
Ore discharge particle size
0. 6~-0.074
0. 6~0.074
0.6~~ 0.074
0. 6~0.074
0. 6~~0.074
0.4~~0.074
0.4~0.074
0.4~~0.074
0.4~~0.074
0.4~0.074||tt ||0.4~~0.074
Note 1: The machine reference weight does not include the weight of the main motor. Note 2: The output in the table is an estimated output, and the feed ore particle size is 25mm~0.8mm medium hardness ore. JB/T1406—2002
0.70~0.35
1.40-0.65
20.7~11.0
28.0~~13.0
33.0~15.5||tt| |39.6~18.6
49.0~~24.0
52.8 ~25.0
61.0~~29.0
73.0~35.0
82.0~38.0
1.40~0.36
5.2~1.9
10.2~ 2.7.
25.0~~5.0
38.0~-9.5
Machine Reference
Machine Reference
JB/T1406—2002
Model Setting
MQY—0918
MQY—1224
MQY—1522
MQY—2130
MQY-2136
MQY--2424
MQY—2430
MQY—2740
—3245|| tt||MQY—3645
MQY—3660
Simplified Chinese
Effective volume
3Basic parameters of overflow ball mill
Ball loading|| tt||The machine reference weight does not include the main motor weight. Note 1:
Working speed
29.0~~39.2
25.2~33.3
22.5~29.8
22.5-~29.8
19.0 ~~25.2
19.0~25.2
17.8~23.5
17.8~~23.5
16.8~~22.2
16.8-~22.2||tt| |15.5~ -20.4
15.5-~20.4
14.5~~19.2
14.5~~19.2
Main motor
≤210
≤210
≤240
≤400
≤400
≤1000
≤1000
≤1250
Ore discharge particle size
0.3-~0.074
0.3 0.074
0.3~0.074
0.3 ~-0.074
0.3-~0.074
0.3 ~0.074
0.3-0.074
0.3- ~0.074
0.3-0.074
0.3~0.074
0.3-0.074
0.3~~0.074
0.3~0.074
Note 2 ：The output in the table is an estimated output, and the feed ore particle size is 25mm to 0.8mm for medium hardness ore. Table 4 Basic parameters of wet rod mill
MB—0918
MB—0924
MB-1530
MB--2130
MB--2136
MB--2736
MB—2740
MB—3245
MB--3645
Simplified
Effective volume|| tt||Rod loading
Note 1: The machine reference weight does not include the weight of the main motor. Working speed
29.0~31.3
29.0~35.4
26.5 ~29.8
19.0~21.0
17.2~18.5
17.2~18.5
15.4~16.6
14.5-15.6
Main motor| |tt||≤210
≤410
≤400
≤630
≤1250
Ore discharge particle size
0.3--0.074
0.3~0.074
0.3~0.074
0.3~0.074
0.3~0.074
0.3~0.074| |tt||0.3~0.074
Note 2: The output in the table is an estimated output, and the feed ore particle size is 25mm~0.8mm of medium hardness ore. 4
0.63~0.30
2.90~1.35
25.0~11.7
27.7~13.0
44.0~21.6
52.8~25.9| |tt||55.6~~24.3
67.0~28.1
74.1~32.4
0.63~0.30
6.0~2.8
25.0~11.5|| tt| |27.7~~12.7
44.0~21.0
72.0~33.0
Machine Reference
Weightt
Machine Reference
3.3Mark:
3.3.1 Ball mill model representation method:
Example:
Length of cylinder, unit is dm
Diameter of cylinder, unit is dm
G is Dry grid type:
Y is overflow type;
wet grid type is not marked.
Wet grid ball mill with a cylinder inner diameter of 2700mm and an effective length of 3600mm: 2 Rod mill model representation method:
Example:
MQ-2736 ball mill||tt ||Length of cylinder, in dm
Diameter of cylinder, in dm
B is middle discharge:
B is peripheral discharge;
Overflow type Not marked.
Intermediate discharge wet grinding machine with inner diameter of 3200mm and effective length of 4500mm: MBZ--3245 stick and mushroom machine
4 Technical requirements
4.1 Basic requirements| |tt||JB/T 1406--2002
4.1.1 The grinding machine shall comply with the provisions of this standard and be manufactured according to the drawings and technical documents approved by the prescribed procedures. 4.1.2 Raw materials, The technical conditions of purchased parts and processing, assembly, installation, etc. must comply with the provisions of national standards and relevant general standards of related industries.
JB/T 1406—2002
4.1.3 Unindicated tolerances for linear dimensions on drawings: a) Cutting parts shall comply with Class M of GB/T1804—2000; b) Welding parts shall comply with Class M of GB/T1804—2000. The processed parts shall comply with the relevant provisions of 7.3 of JB/T5000.3-1998. 4.1.4 Welded parts shall comply with the relevant provisions of JB/T5000.3-1998. 4.1.5 Cast steel parts shall comply with the relevant provisions of JB/T5000.6- 4.1.6 Forgings shall comply with the relevant provisions of JB/T5000.8-1998. 4.1.7 High manganese steel castings shall comply with the relevant provisions of JB/T5680-1998. 4.2 Machine performance requirements
The main technical parameters of the mill should comply with the provisions of this standard and be adapted to the system process requirements. 4.2.1
The weld of the cylinder shall not pass through the manhole and screw hole, and its weld quality shall not be lower than the BS and BK grades specified in JB/T5000.3-1998. The surface roughness Ra of the shaft neck of the inlet and outlet cover is 0.8um. ​​4.2.3
The temperature rise of the main bearing inlet and return oil shall not be higher than 15℃, and the maximum return oil temperature shall not be higher than 60℃. 4.2.41
4.2.5 The mills with cylinder diameter greater than or equal to Φ2700mm adopt dynamic and static pressure main bearings and high and low pressure lubrication stations. 4.2.6 The mill lubrication device should be safe and reliable. If the oil station is used for lubrication, the oil pump motor and the main motor should have an electrical interlocking device. When the lubrication system fails and cannot work normally, a signal should be issued to ensure that the main motor stops automatically. A signal device should be provided when the oil is insufficient or the oil pressure drops beyond the allowable value: the lubrication system should be equipped with safety devices such as safety valves, pressure gauges, and thermometers; the inclination of the return oil pipeline should not be less than 1:40.
4.2.7 The noise sound pressure level value of the mill when running at no load should not exceed 90dB (A). 4.2.8 When the main motor uses a synchronous motor, it is recommended to use an air clutch. 4.2.9 The rotating part of the transmission device should be equipped with a protective cover. 4.2.10 The complete set of grinding mills shall include: main machine, main motor. When the voltage of the main motor is less than or equal to 380V, low-voltage electric control equipment shall be provided at the same time; for grinding mills with a barrel diameter greater than or equal to @Φ2700mm series, necessary auxiliary machines (such as micro-dragging device, jacking device, injection lubrication device, high and low pressure oil station and low voltage centralized electric control equipment, etc.) shall be provided as needed. 4.3 Requirements for main components
4.3.1 Performance of reducer:
The cleanliness shall not be greater than 1a (a is the center distance), and the unit of cleanliness is mg: a)
The no-load noise shall not exceed 85dB (A); b)
The temperature rise of the no-load oil pool shall not exceed 25℃; d) The sealing of the box shall ensure that there is no oil leakage.
4.3.2 The material of the main bearing lining shall not be lower than the mechanical properties of HT200, and the casting shall not have defects such as cracks, shrinkage holes, and looseness; the bearing alloy material shall not be lower than the mechanical properties of ZChPbSb15-一5. The alloy shall fit firmly, there shall be no shelling phenomenon, and there shall be no other defects within the contact angle range. If the main bearing adopts rolling bearings, the relevant technical conditions of rolling bearings shall be implemented. 4.3.3 The material of the cylinder steel plate shall not be lower than the mechanical properties of Q235一A; the tensile strength of the welding rod used shall not be lower than 420MPa. 4.3.4 The material of the inlet and outlet end cover shall not be lower than the mechanical properties of ZG270一500. The mill with a cylinder diameter less than or equal to @Φ1500mm series can use materials with mechanical properties not lower than HT200. The casting is not allowed to have defects such as cracks, shrinkage holes, and looseness. The radial runout of the big end column of the end cover against the journal, and the axial swing of the big end and the gear and the barrel joint surface against the journal shall not exceed the provisions of Table 5. Table 5 End cover radial runout, axial runout tolerance code
Radial runout
Axial runout
900~1500
Simplified diameter
2100~2700
Unit: mm
3200~3600
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