Some standard content:
ICS25.080.20
Machinery Industry Standard of the People's Republic of China
JB/T2548.3-1999
Bed Milling Machine
Published on 1999-05-20
Series Models
Implemented on 2000-01-01
State Bureau of Machinery Industry
JB/T2548.3—1999
This standard is a revision of JB/Z13579 "Series Models of Milling Machines without Worktable Lifting". The technical contents of this standard are basically consistent with those of JB/Z13579, with the main differences being: 1. 1. "Program-controlled milling machine" and "machining center" are cancelled in the series composition of machine tools; 2. "Table 3 Accessories of bed milling machine" is cancelled; 3. Three standards are added in "reference standards", and the relevant technical contents are also modified accordingly; 4. The standard is edited according to relevant regulations. This standard is part of the JB/T2548 "Bed milling machine" series of standards, which includes the following three parts: JB/T2548.1—1996 Bed milling machine parameters JB/T 2548.2—1996
Bed milling machine technical conditions
Series spectrum
JB/T2548.3—1999
Bed milling machine
The standards supporting this series of standards are:
GB/T3932—1983 Precision of milling machine with non-lifting worktable This standard replaces JB/Z13579 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 units of this standard are: Qinghai No. 1 Machine Tool Factory and Shanghai No. 4 Machine Tool Factory. This standard was first issued in October 1979. 1
1 Scope
Machinery Industry Standards of the People's Republic of China
Bed Milling Machine
Series
JB/T2548.3—1999
Replaces JB/Z135—79
This standard specifies the basic type and series composition, use, performance characteristics, varieties and parameters of bed milling machines. This standard is applicable to newly designed general-purpose bed milling machines with a worktable width of 320~~1250mm. 2 Referenced Standards
The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. When this standard was published, the versions shown were all valid. All standards are subject to revision and parties using this standard should investigate the possibility of using the most recent versions of the following standards. GB/T 1581996
GB/T 3837.1—1983
GB/T3932—1983
JB/T8329.1—1999
JB/T9871—1999
3 Basic types and series composition
3.1 Basic types
Machine tool table T-slot and corresponding bolts
Machine tool tools 7:24 taper connection spindle end table non-lifting milling machine accuracy
Precision inspection of CNC bed milling machines
Precision classification of metal cutting machine tools
The basic types of bed milling machines are divided into three types: cross worktable type (type I), column movable type (type II) and ram movable type (type II), as shown in Figures 1, 2 and 3.
a Vertical
b Horizontal
Figure 1 Cross worktable type (Type I)
Approved by the State Machinery Industry Bureau on May 20, 1999a Vertical
b Horizontal
Moving column type (Type II)
b Horizontal
Moving ram type (Type II)
Implemented on January 1, 2000
3.1.1 Cross worktable type
JB/T2548.31999
The main motion of the machine tool is the rotary motion of the spindle, and the feed motion is the longitudinal motion of the worktable along the saddle guide rail. The lateral motion of the saddle along the bed guide rail and the vertical motion of the spindle box along the column guide rail. 3.1.2 Column-moving type
The main motion of the machine tool is the rotary motion of the spindle, and the feed motion is the longitudinal motion of the worktable along the front bed rail, the lateral motion of the column along the rear bed rail, and the vertical motion of the spindle box along the column rail. 3.1.3 Ram-moving type
The main motion of the machine tool is the rotary motion of the spindle, and the feed motion is the longitudinal motion of the worktable along the bed rail. The lateral motion of the ram along the horizontal guide rail of the vertical slide saddle and the vertical motion of the vertical slide saddle along the column guide rail. 2 Series composition
The series composition of the machine tool is shown in Figure 4.
High-speed bed milling machine
Bed milling machine
(Cross work table type)
Horizontal bed milling machine
(Cross work table type)
Bed milling machine
Series composition
Column-moving bed milling machine
(Column-moving type)
Column-moving horizontal bed milling machine
(Column-moving type)
Ram bed milling machine
(ram movable type)
Ram horizontal bed milling machine
(ram movable type)
Figure 4 Series composition of bed milling machine
Low-speed bed milling machine
Profiling bed milling machine
CNC bed milling machine
CNC turret bed milling machine
Horizontal profiling bed milling machine
CNC horizontal bed milling machine|| tt||Column moving high speed bed milling machine
Column moving low speed bed milling machine
Column moving profiling bed milling machine
CNC vertical moving bed milling machine
CNC column moving turret bed milling machine
Column moving horizontal profiling bed milling machine
CNC column moving horizontal bed milling machine
Universal swivel head bed milling machine
High speed ram bed milling machine Bed
Ram profiling bed milling machine
CNC ram bed milling machine
Ram horizontal profiling bed milling machine
4 Application and performance
4.1 Vertical
JB/T2548.31999
4.1.1 Bed milling machine, column moving bed milling machine, ram bed milling machine Bed milling machine, column moving bed milling machine, ram bed milling machine are basic series. The machine tool is suitable for single-piece small batch production workshops and heavy machinery repair plants in general machinery manufacturing industry (parts weight 1.2-8t). It can be used for plane, groove, step surface and drilling, boring and other processing. After being equipped with corresponding accessories, it can also mill angle surface, arc surface, etc. The accuracy of the machine tool should meet the requirements of GB/T3932. The machine tool is a V-level precision machine tool specified in JB/T9871-1999.
The machine tool should have the following performance characteristics:
a) It should have a wide range of performance, strong rigidity, convenient operation, and strong versatility; b) Generally, it should have a quick-release tool device and an optional position display device:) It has two types of rotation and non-rotation. Generally, it should have a spindle sleeve. 4.1.2 Universal swivel head bed milling machine
The machine tool is suitable for aviation, military and general machinery manufacturing industries, and is used to process the inner surface, grooves, stepped surfaces and any angle surface of shell and frame parts. The machine tool accuracy should meet the basic model requirements. In addition to the performance characteristics of the basic model series, the machine tool should also have the following performance characteristics: a) It has a universal angle milling head with a 45° swivel surface; b) The milling head should be stable when working;
9 The milling head should be convenient and accurate in changing angles.
4.1.3 High-speed bed milling machine, column moving high-speed bed milling machine, high-speed ram bed milling machine are suitable for aviation, automobile tractor, instrument, electrical appliances and other industries, and can mill non-ferrous metal materials such as aluminum and magnesium alloys. The machine tool accuracy should meet the requirements of the basic model.
In addition to the performance characteristics of the basic model 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 are reliable spindle starting and braking devices: d) There are measures to control the temperature rise and thermal deformation of the spindle. 4.1.4 Low-speed bed milling machine, column moving low-speed bed milling machine are suitable for military industry, 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. The machine tool accuracy should meet the requirements of the basic model. 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 greater than 8mm/min; b) When working at low speed, it should run smoothly and have good shock resistance; 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. 4.1.5. The profiling bed milling machine, column moving profiling bed milling machine and ram profiling bed milling machine are suitable for general machinery manufacturing, aviation and military industries, and are used to process various molds, plane curves and complex curved surface parts. The profiling accuracy is not less than ±0.1mm (precision type is not less than ±0.03mm), and the accuracy of other machine tools should comply with the basic model regulations. The machine tools are divided into single-coordinate, double-coordinate and three-coordinate profiling milling machines according to the number of coordinates that can be controlled simultaneously. In addition to the performance characteristics of the basic model series, the machine tools should also have the following performance characteristics: a) The control system has a reliable safety device: b) The transmission system has a small gap, large inertia, and flexible and reliable action: C) It should generally have the characteristics of manual and automatic mold introduction and demolding: d) Small thermal deformation.
4.1.6 CNC bed milling machines, CNC column moving bed milling machines, and CNC ram bed milling machines are suitable for small-batch production of multiple varieties in aviation, shipbuilding, aerospace, military industry, and general machinery manufacturing industries. CNC milling machines controlled by points and lines are mainly used to process planes and coordinate hole systems of parts. CNC milling machines controlled by arcs and space interpolation are used to process parts with plane contour curves and three-dimensional curved surfaces. The machine tools still have general milling processing performance. The machine tool accuracy should comply with the provisions of JB/T8329.1, and the machine tools are Class V (ordinary) and Class IV (precision) accuracy machine tools specified in JB/T9871-1999. In addition to the performance characteristics of the basic series, the machine tool should also have the following performance characteristics: a) High-efficiency transmission pairs are used in the three feeding directions of X, Y, and Z. The feeding system must have sufficient transmission stiffness and should have a preload and clearance elimination mechanism:
b) The feeding movement should have a micro-adjustment and rapid adjustment device: c) There is a reliable temperature adjustment device:
d) There is a program check and program retrieval device and compensation function; e) The machine tool should be equipped with a "zero" return device;
f Small thermal deformation.
4.1.7 CNC turret bed milling machine, CNC column moving turret bed milling machine machine tools are suitable for aviation, military industry, mold manufacturing, hydraulic parts valve body and general machinery manufacturing, cutting center batch more complex shell parts, and can perform drilling, boring, tapping and other processes. The machine tool accuracy is equivalent to that of CNC bed milling machine. In addition to the performance characteristics of the basic series, the machine tool should also have the following performance characteristics: a) The turret spindle body is hexagonal or octagonal; b) The turret positioning adopts a high-precision positioning mechanism, and the adjacent station conversion time is no more than 8s; c) The thermal deformation is small.
4.2 Horizontal
Horizontal bed milling machine, column moving horizontal bed milling machine, and ram horizontal bed milling machine are the basic series. The machine tool has the same purpose as the vertical milling machine and can be used for milling planes, grooves, step surfaces, drilling, and hole processing. Equipped with corresponding accessories, it can mill angle surfaces, arc surfaces, spur racks, spur gears, splines and other parts. The ram moving type is particularly suitable for milling the inner cavity of frame-shaped parts and box parts. The machine tool accuracy should comply with the provisions of GB/T3932.
The performance characteristics of the horizontal milling machine variant products are basically the same as those of the corresponding vertical milling machine variant products. 5 Varieties
The varieties of machine tools are shown in Table 1.
JB/T2548.3—1999
Bed milling machine variety list
Work table width
Bed milling machine
Horizontal bed milling machine
High-speed bed milling machine
Low-speed bed milling machine
Profiling bed milling machine
Horizontal profiling bed milling machine
CNC bed milling machine
CNC horizontal bed milling machine
CNC turret bed milling machine
Column moving bed milling machine
Column moving horizontal bed milling machine
Column moving high-speed bed milling machine
Column moving low-speed bed milling machine
Column moving profiling bed milling machine
Column moving horizontal profiling bed milling machine
CNC column moving bed milling machine
CNC column moving horizontal bed milling machine
CNC column moving turret bed milling machine
Ram bed milling machine
Ram horizontal bed milling machine
Universal swivel head bed milling machine
High-speed ram bed milling machine
Profiling ram bed milling machine
Profiling ram horizontal bed milling machine
CNC ram bed milling machine
The parameters of the machine tools are shown in Table 2.
Parameter Item
Length of worktable L
Longitudinal stroke of worktable L
Horizontal stroke L
Vertical stroke L
Type 1
Type II
Type III
Type 1
Type II
Type III
Minimum distance H from the center line of horizontal spindle to the worktable, mm
Minimum distance H2 from the end face of vertical spindle to the worktable
Width of T-slot of worktable b
(According to GB/T1581996)
Taper number of spindle taper
(According to GB/T3837.1—1983)
Movement of spindle sleeve|| tt||Maximum swivel angle of vertical spindle milling head
Spindle speed range nmin~nmax
Spindle speed series
Transverse feed range Smn~Sma
mm/min
Vertical feed range
mm/min
Rapid feed amount (vertical,
mmimin
Rapid feed amount (vertical)
Main motion motor power
Feed motion motor power
mm/min
Type!
Type IⅡ
Type III
Type】
Type II
Type III
JB/T2548.31999||tt ||Bed milling machine parameter table
Work table width
14(18)
40（50)
32~1000
12~1250
(13~1)SPaper. Planting
（13~1）SFast heatbzxZ.net
50(60)
50(60)
28-900
10-1000
Parameter item
Maximum load weight per unit area of worktable
Maximum drag force of worktable
Machine tool overall dimensions
(length×width×height)
Net weight of machine tool
JB/T2548.3-1999
Table 2 (end)||t t||Working table width
1) When measuring this minimum distance, the vertical spindle sleeve should be in the uppermost position 500
Mechanical industry standard
Series
Bed milling machine
JB/T25483-1999
Published by the Machinery Standardization Research Institute of the Ministry of Machinery Industry Printed by the Machinery Standardization Research Institute of the Ministry of Machinery Industry (No. 2 Shouti South Road, Beijing: Postal Code 100044)*
Format 880×1230
Printing sheet 3/4
4Number of words 16.000
First edition in July 1999
First printing in July 1999
Print number 1-500
Price 1000 yuan
99-3211, the machine tool is a V-level (ordinary level) and IV-level (precision level) precision machine tool specified in JB/T9871-1999. In addition to the performance characteristics of the basic series, the machine tool should also have the following performance characteristics: a) High-efficiency transmission pairs are used in the three feeding directions of X, Y, and Z. The feeding system must have sufficient transmission stiffness and should have a preload and clearance elimination mechanism:
b) The feeding movement should have a micro-adjustment and rapid adjustment device: c) There is a reliable temperature adjustment device:
d) There is a program check and program retrieval device and compensation function; e) The machine tool should be equipped with a "zero" return device;
f Small thermal deformation.
4.1.7 CNC turret bed milling machine, CNC column moving turret bed milling machine machine tools are suitable for aviation, military industry, mold manufacturing, hydraulic parts valve body and general machinery manufacturing, cutting center batch more complex shell parts, and can perform drilling, boring, tapping and other processes. The machine tool precision is equivalent to that of a CNC bed milling machine. In addition to the performance characteristics of the basic series, the machine tool should also have the following performance characteristics: a) The turret spindle body is hexagonal or octagonal; b) The turret positioning adopts a high-precision positioning mechanism, and the adjacent station conversion time is no more than 8s; c) The thermal deformation is small.
4.2 Horizontal
Horizontal bed milling machine, column moving horizontal bed milling machine, and ram horizontal bed milling machine are the basic series. The machine tool has the same purpose as the vertical milling machine and can be used for milling planes, grooves, step surfaces, drilling, and hole processing. Equipped with corresponding accessories, it can mill angle surfaces, arc surfaces, spur racks, spur gears, splines and other parts. The ram moving type is particularly suitable for milling the inner cavity of frame-shaped parts and box parts. The machine tool precision should comply with the provisions of GB/T3932.
The performance characteristics of the horizontal milling machine variant products are basically the same as those of the corresponding vertical milling machine variant products. 5 Varieties
The varieties of machine tools are shown in Table 1.
JB/T2548.3—1999
Table of bed milling machines
Working table width
Bed milling machine
Horizontal bed milling machine
High-speed bed milling machine
Low-speed bed milling machine
Profiling bed milling machine
Horizontal profiling bed milling machine
CNC bed milling machine
CNC horizontal bed milling machine
CNC turret bed milling machine
Column moving bed milling machine
Column moving horizontal bed milling machine
Column moving high-speed bed milling machine
Column moving low-speed bed milling machine
Column moving profiling bed milling machine
Column moving horizontal profiling bed milling machine
CNC column moving bed milling machine
CNC column moving horizontal bed milling machine
CNC column moving turret bed milling machine
Ram bed milling machine
Ram horizontal bed milling machine
Universal swivel head bed milling machine
High-speed ram bed milling machine
Profiling ram bed milling machine
Profiling ram horizontal bed milling machine
CNC ram bed milling machine
The parameters of the machine tools are shown in Table 2.
Parameter Item
Length of worktable L
Longitudinal stroke of worktable L
Horizontal stroke L
Vertical stroke L
Type 1
Type II
Type III
Type 1
Type II
Type III
Minimum distance H from the center line of horizontal spindle to the worktable, mm
Minimum distance H2 from the end face of vertical spindle to the worktable
Width of T-slot of worktable b
(According to GB/T1581996)
Taper number of spindle taper
(According to GB/T3837.1—1983)
Movement of spindle sleeve|| tt||Maximum swivel angle of vertical spindle milling head
Spindle speed range nmin~nmax
Spindle speed series
Transverse feed range Smn~Sma
mm/min
Vertical feed range
mm/min
Rapid feed amount (vertical,
mmimin
Rapid feed amount (vertical)
Main motion motor power
Feed motion motor power
mm/min
Type!
Type IⅡ
Type III
Type】
Type II
Type III
JB/T2548.31999||tt ||Bed milling machine parameter table
Work table width
14(18)
40（50)
32~1000
12~1250
(13~1)SPaper. Planting
（13~1）SFast heat
50(60)
50(60)
28-900
10-1000
Parameter item
Maximum load weight per unit area of worktable
Maximum drag force of worktable
Machine tool overall dimensions
(length×width×height)
Net weight of machine tool
JB/T2548.3-1999
Table 2 (end)||t t||Working table width
1) When measuring this minimum distance, the vertical spindle sleeve should be in the uppermost position 500
Mechanical industry standard
Series
Bed milling machine
JB/T25483-1999
Published by the Machinery Standardization Research Institute of the Ministry of Machinery Industry Printed by the Machinery Standardization Research Institute of the Ministry of Machinery Industry (No. 2 Shouti South Road, Beijing: Postal Code 100044)*
Format 880×1230
Printing sheet 3/4
4Number of words 16.000
First edition in July 1999
First printing in July 1999
Print number 1-500
Price 1000 yuan
99-3211, the machine tool is a V-level (ordinary level) and IV-level (precision level) precision machine tool specified in JB/T9871-1999. In addition to the performance characteristics of the basic series, the machine tool should also have the following performance characteristics: a) High-efficiency transmission pairs are used in the three feeding directions of X, Y, and Z. The feeding system must have sufficient transmission stiffness and should have a preload and clearance elimination mechanism:
b) The feeding movement should have a micro-adjustment and rapid adjustment device: c) There is a reliable temperature adjustment device:
d) There is a program check and program retrieval device and compensation function; e) The machine tool should be equipped with a "zero" return device;
f Small thermal deformation.
4.1.7 CNC turret bed milling machine, CNC column moving turret bed milling machine machine tools are suitable for aviation, military industry, mold manufacturing, hydraulic parts valve body and general machinery manufacturing, cutting center batch more complex shell parts, and can perform drilling, boring, tapping and other processes. The machine tool precision is equivalent to that of a CNC bed milling machine. In addition to the performance characteristics of the basic series, the machine tool should also have the following performance characteristics: a) The turret spindle body is hexagonal or octagonal; b) The turret positioning adopts a high-precision positioning mechanism, and the adjacent station conversion time is no more than 8s; c) The thermal deformation is small.
4.2 Horizontal
Horizontal bed milling machine, column moving horizontal bed milling machine, and ram horizontal bed milling machine are the basic series. The machine tool has the same purpose as the vertical milling machine and can be used for milling planes, grooves, step surfaces, drilling, and hole processing. Equipped with corresponding accessories, it can mill angle surfaces, arc surfaces, spur racks, spur gears, splines and other parts. The ram moving type is particularly suitable for milling the inner cavity of frame-shaped parts and box parts. The machine tool precision should comply with the provisions of GB/T3932.
The performance characteristics of the horizontal milling machine variant products are basically the same as those of the corresponding vertical milling machine variant products. 5 Varieties
The varieties of machine tools are shown in Table 1.
JB/T2548.3—1999
Table of bed milling machines
Working table width
Bed milling machine
Horizontal bed milling machine
High-speed bed milling machine
Low-speed bed milling machine
Profiling bed milling machine
Horizontal profiling bed milling machine
CNC bed milling machine
CNC horizontal bed milling machine
CNC turret bed milling machine
Column moving bed milling machine
Column moving horizontal bed milling machine
Column moving high-speed bed milling machine
Column moving low-speed bed milling machine
Column moving profiling bed milling machine
Column moving horizontal profiling bed milling machine
CNC column moving bed milling machine
CNC column moving horizontal bed milling machine
CNC column moving turret bed milling machine
Ram bed milling machine
Ram horizontal bed milling machine
Universal swivel head bed milling machine
High-speed ram bed milling machine
Profiling ram bed milling machine
Profiling ram horizontal bed milling machine
CNC ram bed milling machine
The parameters of the machine tools are shown in Table 2.
Parameter Item
Length of worktable L
Longitudinal stroke of worktable L
Horizontal stroke L
Vertical stroke L
Type 1
Type II
Type III
Type 1
Type II
Type III
Minimum distance H from the center line of horizontal spindle to the worktable, mm
Minimum distance H2 from the end face of vertical spindle to the worktable
Width of T-slot of worktable b
(According to GB/T1581996)
Taper number of spindle taper
(According to GB/T3837.1—1983)
Movement of spindle sleeve|| tt||Maximum swivel angle of vertical spindle milling head
Spindle speed range nmin~nmax
Spindle speed series
Transverse feed range Smn~Sma
mm/min
Vertical feed range
mm/min
Rapid feed amount (vertical,
mmimin
Rapid feed amount (vertical)
Main motion motor power
Feed motion motor power
mm/min
Type!
Type IⅡ
Type III
Type】
Type II
Type III
JB/T2548.31999||tt ||Bed milling machine parameter table
Work table width
14(18)
40（50)
32~1000
12~1250
(13~1)SPaper. Planting
（13~1）SFast heat
50(60)
50(60)
28-900
10-1000
Parameter item
Maximum load weight per unit area of worktable
Maximum drag force of worktable
Machine tool overall dimensions
(length×width×height)
Net weight of machine tool
JB/T2548.3-1999
Table 2 (end)||t t||Working table width
1) When measuring this minimum distance, the vertical spindle sleeve should be in the uppermost position 500
Mechanical industry standard
Series
Bed milling machine
JB/T25483-1999
Published by the Machinery Standardization Research Institute of the Ministry of Machinery Industry Printed by the Machinery Standardization Research Institute of the Ministry of Machinery Industry (No. 2 Shouti South Road, Beijing: Postal Code 100044)*
Format 880×1230
Printing sheet 3/4
4Number of characters 16.000
First edition in July 1999
First printing in July 1999
Print number 1-500
Price 1000 yuan
99-3213—1999
Bed milling machine variety list
Work table width
Bed milling machine
Horizontal bed milling machine
High-speed bed milling machine
Low-speed bed milling machine
Profiling bed milling machine
Horizontal profiling bed milling machine
CNC bed milling machine
CNC horizontal bed milling machine
CNC turret bed milling machine
Column moving bed milling machine
Column moving horizontal bed milling machine
Column moving high-speed bed milling machine
Column moving low-speed bed Bed milling machine
Column moving profiling bed milling machine
Column moving horizontal profiling bed milling machine
CNC column moving bed milling machine
CNC column moving horizontal bed milling machine
CNC column moving turret bed milling machine
Ram bed milling machine
Ram horizontal bed milling machine
Universal swivel head bed milling machine
High-speed ram bed milling machine
Profiling ram bed milling machine
Profiling ram horizontal bed milling machine
CNC ram bed milling machine
The parameters of the machine tools are shown in Table 2.
Parameter Item
Length of worktable L
Longitudinal stroke of worktable L
Horizontal stroke L
Vertical stroke L
Type 1
Type II
Type III
Type 1
Type II
Type III
Minimum distance H from the center line of horizontal spindle to the worktable, mm
Minimum distance H2 from the end face of vertical spindle to the worktable
Width of T-slot of worktable b
(According to GB/T1581996)
Taper number of spindle taper
(According to GB/T3837.1—1983)
Movement of spindle sleeve|| tt||Maximum swivel angle of vertical spindle milling head
Spindle speed range nmin~nmax
Spindle speed series
Transverse feed range Smn~Sma
mm/min
Vertical feed range
mm/min
Rapid feed amount (vertical,
mmimin
Rapid feed amount (vertical)
Main motion motor power
Feed motion motor power
mm/min
Type!
Type IⅡ
Type III
Type】
Type II
Type III
JB/T2548.31999||tt ||Bed milling machine parameter table
Work table width
14(18)
40（50)
32~1000
12~1250
(13~1)SPaper. Planting
（13~1）SFast heat
50(60)
50(60)
28-900
10-1000
Parameter item
Maximum load weight per unit area of worktable
Maximum drag force of worktable
Machine tool overall dimensions
(length×width×height)
Net weight of machine tool
JB/T2548.3-1999
Table 2 (end)||t t||Working table width
1) When measuring this minimum distance, the vertical spindle sleeve should be in the uppermost position 500
Mechanical industry standard
Series
Bed milling machine
JB/T25483-1999
Published by the Machinery Standardization Research Institute of the Ministry of Machinery Industry Printed by the Machinery Standardization Research Institute of the Ministry of Machinery Industry (No. 2 Shouti South Road, Beijing: Postal Code 100044)*
Format 880×1230
Printing sheet 3/4
4Number of words 16.000
First edition in July 1999
First printing in July 1999
Print number 1-500
Price 1000 yuan
99-3213—1999
Bed milling machine variety list
Work table width
Bed milling machine
Horizontal bed milling machine
High-speed bed milling machine
Low-speed bed milling machine
Profiling bed milling machine
Horizontal profiling bed milling machine
CNC bed milling machine
CNC horizontal bed milling machine
CNC turret bed milling machine
Column moving bed milling machine
Column moving horizontal bed milling machine
Column moving high-speed bed milling machine
Column moving low-speed bed Bed milling machine
Column moving profiling bed milling machine
Column moving horizontal profiling bed milling machine
CNC column moving bed milling machine
CNC column moving horizontal bed milling machine
CNC column moving turret bed milling machine
Ram bed milling machine
Ram horizontal bed milling machine
Universal swivel head bed milling machine
High-speed ram bed milling machine
Profiling ram bed milling machine
Profiling ram horizontal bed milling machine
CNC ram bed milling machine
The parameters of the machine tools are shown in Table 2.
Parameter Item
Length of worktable L
Longitudinal stroke of worktable L
Horizontal stroke L
Vertical stroke L
Type 1
Type II
Type III
Type 1
Type II
Type III
Minimum distance H from the center line of horizontal spindle to the worktable, mm
Minimum distance H2 from the end face of vertical spindle to the worktable
Width of T-slot of worktable b
(According to GB/T1581996)
Taper number of spindle taper
(According to GB/T3837.1—1983)
Movement of spindle sleeve|| tt||Maximum swivel angle of vertical spindle milling head
Spindle speed range nmin~nmax
Spindle speed series
Transverse feed range Smn~Sma
mm/min
Vertical feed range
mm/min
Rapid feed amount (vertical,
mmimin
Rapid feed amount (vertical)
Main motion motor power
Feed motion motor power
mm/min
Type!
Type IⅡ
Type III
Type】
Type II
Type III
JB/T2548.31999||tt ||Bed milling machine parameter table
Work table width
14(18)
40（50)
32~1000
12~1250
(13~1)SPaper. Planting
（13~1）SFast heat
50(60)
50(60)
28-900
10-1000
Parameter item
Maximum load weight per unit area of worktable
Maximum drag force of worktable
Machine tool overall dimensions
(length×width×height)
Net weight of machine tool
JB/T2548.3-1999
Table 2 (end)||t t||Working table width
1) When measuring this minimum distance, the vertical spindle sleeve should be in the uppermost position 500
Mechanical industry standard
Series
Bed milling machine
JB/T25483-1999
Published by the Machinery Standardization Research Institute of the Ministry of Machinery Industry Printed by the Machinery Standardization Research Institute of the Ministry of Machinery Industry (No. 2 Shouti South Road, Beijing: Postal Code 100044)*
Format 880×1230
Printing sheet 3/4
4Number of words 16.000
First edition in July 1999
First printing in July 1999
Print number 1-500
Price 1000 yuan
99-321
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