JB/T 3313.2-1999 JB/T 3313.2-1999 Surface milling machine series JB/T3313.2-1999 Standard download decompression password: www.bzxz.net

ICS25.080.20
Machinery Industry Standard of the People's Republic of China
JB/T3313.2-1999
Face Milling Machine Series
Published on May 20, 1999
National Bureau of Machinery Industry
Implemented on January 1, 2000Www.bzxZ.net
JB/T3313.2—1999
This standard is a revision of JB/Z195—83 "Face Milling Machine Series". During the revision, only editorial changes were made according to relevant regulations, and the technical content remained unchanged
This standard is part of the JB/T3313
"Face Milling Machine" series of standards, which includes the following four parts: JB/T3313.1—1999
JB/T 3313.2—1999
JB/T3313.3—1999
Parameters of plane milling machines
Planar milling machines
Series
Precision inspection of plane milling machines
JB/T33131994
Technical conditions for plane milling machines
This standard replaces JB/Z195—83 from the date of implementation. This standard is proposed by the National Technical Committee for Standardization of Metal Cutting Machine Tools. This standard is under the jurisdiction of the Milling Machine Branch of the National Technical Committee for Standardization of Metal Cutting Machine Tools. The responsible drafting unit of this standard: Jiangdong Machine Tool Factory. This standard was first issued in July 1983.
1 Scope
Standards of the Machinery Industry of the People's Republic of China
Series of plane milling machines
This standard specifies the series composition, purpose, performance characteristics, varieties and parameters of plane milling machines. JB/T3313.2—1999
Replaces JB/Z19583
This standard applies to newly designed general-purpose vertical milling machines with a worktable width of 320~630mm, and column and face milling machines with a worktable width of 320~1000mm. 2 Referenced standards
The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. When this standard is published, the versions shown are valid. All standards will be revised, and parties using this standard should explore the possibility of using the latest versions of the following standards. GB/T1581996
GB/T321—1980
GB/T 3837.1—1983
JB/T3313.3—1999
JB/T9871—1999
3 Series composition of surface milling machines
Machine tool table T-slots and corresponding bolts
Priority numbers and priority number systems
Machine tool tools 7:24 Accuracy inspection of surface milling machines with tapered connection spindle end
Precision classification of metal cutting machine tools
The series composition of machine tools is shown in Figure 1.
High-speed vertical
Vertical surface milling machine (vertical)
Single-column surface milling machine (column type)
Surface milling machine
Series composition
Double-column surface milling machine (column type)
Face milling machine (face type)
Double-face milling machine (face type)
Surface milling machine series composition approved by the State Machinery Industry Bureau on 1999-05-20
Surface milling machine
Low-speed vertical
Surface milling machine||tt ||High-speed double-column
Surface milling machine
Low-speed double-column
Surface milling machine
Double-end face milling machine
Double-end face milling machine
High-speed single-column
Surface milling machine
Low-speed single-column
Surface milling machine
Face milling machine
Face milling machine
2000-01-01 Implementation
4 Application and performance
4.1 The type of vertical
machine tool is shown in Figure 2.
JB/T3313.2—1999
Figure 2 Vertical
Vertical surface milling machine is a basic series. It is suitable for batch production in machine tools, automobiles, tractors, diesel engines and light textile industries, and is used for milling horizontal planes and grooves of various parts. After being equipped with corresponding accessories, it can also mill inclined surfaces, arc surfaces, etc. The machine tool should have the following performance characteristics:
a) The vertical plane milling machine adopts a column to fix the bed: b) The spindle box is placed on the column, can move in the vertical direction, and has a manual spindle sleeve. The surface roughness R value of the machined workpiece is not less than 3.2um. The accuracy should meet the requirements of JB/T3313.3. The machine tool is a V-level accuracy machine tool specified in JB/T9871-1999. According to the user's special order, the following special accessories can be provided to expand the performance of the machine tool: a) Universal dividing head:
b) Flat-nose pliers.
4.2 The type of column type
machine tool is shown in Figure 3.
a) Single column type
e) Double column type
Figure 3 Column type
b) Single column type
d) Double column type
JB/T3313.2—1999
Single column surface milling machine and double column surface milling machine are basic series. They are mainly suitable for milling horizontal and vertical planes of box-shaped and rack-type parts produced in batches, and can also be processed by down milling and reverse milling. After adding suspension beams and brackets, rolling cutting can be carried out. With corresponding accessories, inclined surfaces, arc surfaces, spur gears, splines, etc. can also be milled. Convenient chip removal. The machine tool should have the following performance characteristics:
a) Single column or double column is fixed to the bed: b) The spindle box is placed on the column, can be moved in the vertical direction, and has a manual spindle sleeve: c) The machine tool has a chip removal mechanism.
Double-column face milling machine has the processing performance of single-column face milling machine, and can also mill workpieces from both sides at the same time. The accuracy and surface roughness are the same as those of vertical face milling machine. According to the special order of users, the following special accessories can be provided to expand the performance of machine tools: a) Universal dividing head;
b) Flat-nose pliers.
4.3 Face type
The type of machine tool is shown in Figure 4.
a) Single face type
Figure 4 Face type
b) Double face type
Face milling machine and double face milling machine are basic series. They are mainly suitable for large cutting amount milling of vertical planes of box-shaped and frame-type parts produced in batches.
The machine tool should have the following performance characteristics:
a) The spindle box can be moved horizontally, and the pad can be replaced when necessary to adjust the distance from the spindle axis to the worktable, thereby expanding the processing size range:
b) The spindle box of the face milling machine is generally located on the right side of the worktable, or on the left side of the worktable. The double-end face milling machine can mill the workpiece from both sides at the same time:
c) The spindle box and the adjustable pad are directly fixed on the slide and have a manual spindle sleeve; d)) The machine tool has a chip removal mechanism.
The accuracy and surface roughness are the same as those of the vertical plane milling machine. 4.4 High-speed type
High-speed vertical plane milling machine, high-speed single-column plane milling machine, high-speed double-column plane milling machine, high-speed face milling machine, and high-speed double-end face milling machine are suitable for aviation, automobile, tractor, instrument, electrical appliance and other industries, and can mill non-ferrous metal materials such as magnesium and aluminum alloys. In addition to the performance characteristics of the basic series, the machine tool should also have the following performance characteristics: a) The maximum spindle speed is not less than 2500r/min, and the maximum feed rate is not less than 3000mm/min; b) It should be stable when working at high speed:
c) There is a reliable chip protection device:
d) There is a reliable spindle starting and braking device: JB/T3313.2—1999
e There are measures to control the temperature rise and thermal deformation of the spindle. The machine tool accuracy should comply with the provisions of JB/T3313.3. The surface roughness R value is not less than 2.5μm. The machine tool is a V-level precision machine tool in JB/T9871—1999.
4.5 Low-speed type
Low-speed vertical milling machine, low-speed single-column milling machine, low-speed double-column milling machine, low-speed face milling machine, and low-speed double-face milling machine are suitable for military, steam turbine, automobile, tractor, aviation and other industries, and can mill heat-resistant alloy steel, titanium alloy steel, high-strength alloy steel and other difficult-to-process materials.
In addition to the performance characteristics of the basic series, the machine tool should also have the following performance characteristics: a) The minimum spindle speed is not higher than 10r/min, and the minimum feed rate is not more than 8mm/min; b) When working at low speed, it should run smoothly and have good shock resistance; c) The down-milling mechanism should ensure reliable operation under dynamic load: d) The feed system has a reliable overload protection device: e) Each moving part has a reliable locking mechanism. The machine tool accuracy should meet the requirements of JB/T3313.3. The surface roughness R value is not less than 3.2μm. The machine tool is a V-level precision machine tool in JB/T9871-199
5 varieties
The varieties of machine tools are shown in Table 1.
Work table width B
Vertical plane milling machine
Face type
High-speed vertical plane milling machine
Low-speed vertical plane milling machine
Single-column plane milling machine
High-speed single-column plane milling machine
Low-speed single-column plane milling machine
Double-column plane milling machine
High-speed double-column plane milling machine
Low-speed double-column plane milling machine
Face milling machine
High-speed face milling machine
Low-speed face milling machine
Double-end face milling machine
High-speed double-end face milling machine
Low-speed double-end face milling machine
Plane milling machine variety table
The machine tool parameters are shown in Table 2.
Work table width B
Work table length L
Work table longitudinal stroke L
Spindle box vertical stroke Lzmm
JB/T3313.2—1999
End type
End type
End type
The minimum distance from the axis of the column spindle to the work table HThe minimum distance from the end face of the vertical spindle to the work table HThe distance from the axis of the end face spindle to the work table Hmm
The maximum distance from the end face of the column spindle to the center line of the T-slot in the center of the work table H4
The maximum distance from the end face of the end face spindle to the center line of the T-slot in the center of the work table H
End Spindle box lateral stroke L
Spindle sleeve stroke L4
Spindle front end taper number (according to GB/T3837.1-198)Worktable T-slot width b (according to GBT158-1996)Spindle speed range nmin-imax
Spindle speed series
Longitudinal feed range Smin~Smax
Longitudinal rapid feed amount
Main motion motor power
Feed motion motor power
Maximum load-bearing weight per unit area of ​​worktable
mm/min
Note: Worktable surface length, worktable longitudinal, sample transverse,
front and back four items are selected.
Surface milling machine parameter table
25-4000
25-1250
Allow the parameters in the table as the basis, stone
vertical stroke,
In the R40 series of GBT321980
Mechanical industry standard
Surface milling machine
Series model spectrum
JB/T3313.2—1999
Mechanical Industry Ministry of Machinery Published and distributed by the Institute of Standardization Printed by the Institute of Standardization of the Ministry of Machinery Industry (No. 2, Shouti South Road, Beijing: Postal Code 100044)*
Format 880×1230
Printing sheet 1/2
Word count 12000
First edition in July 1999
First printing in July 1999
Print run 1-500
Price 500 yuan
99-319
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