This standard specifies the main parameters of bed milling machines and related joint parameters. This standard applies to new design bed milling machines with a worktable width of 320~1250mm and general purpose. JB/T 2548.1-1996 Bed milling machine parameters JB/T2548.1-1996 Standard download decompression password: www.bzxz.net

Mechanical Industry Standard of the People's Republic of China
JB/T2548.1—96
Bed Milling Machine
Published on April 11, 1996
Ministry of Machinery Industry of the People's Republic of China
Implemented on October 1, 1996
Mechanical Industry Standard of the People's Republic of China
Bed Milling Machine
This standard specifies the main parameters of bed milling machines and related related parameters. This standard applies to newly designed bed milling machines with a worktable width of 320~1250mm and general purpose. 2 Reference standards
GB 3837.1
3 Parameters
T-slot
Machine tools 7: 24 taper connection spindle end JB/T2548.1-96
Replace JB254879
The main basic types of general-purpose bed milling machines are shown in Figures 1 to 3, and their parameters should comply with the provisions of Table 1. The values ​​of the worktable length and the stroke in three directions are allowed to be increased or decreased by integer multiples of 50 based on the provisions in Table 1. 3.2
Figure 1 Type I (cross worktable type)
Figure 2 Type I (column movable type)
Figure 3 Type IIIII (slide movable type)
Approved by the Ministry of Machinery Industry on April 11, 1996
Implementation on October 19, 2001
Worktable width B
Worktable length
Worktable longitudinal stroke
Horizontal stroke
Vertical stroke
Type I
Type II
Type Type III
Type I
Type II
Type III
Minimum distance from horizontal spindle axis to work surfaceMinimum distance from vertical spindle axis to work surfaceWidth of T-slot on work surface (according to GB158)Spindle taper taper number (according to GB3837.1)JB/T2548.1-96
Bed milling machine parameters
≤(40,50)
≤100
Note: 1) When measuring this minimum distance, the vertical spindle sleeve should be in the uppermost position. Additional remarks:
This standard was proposed by the National Technical Committee for Standardization of Metal Cutting Machine Tools. This standard is under the jurisdiction of Beijing Milling Machine Research Institute. This standard was drafted by Qinghai No. 1 Machine Tool Factory. This standard was first issued in 1979.
≤(50,60)
≤150
50, 60
Mechanical Industry Standard
Bed Milling Machine Parameters
JB/T2548.1-96
Published and issued by the China Academy of Mechanical Science
Printed by the China Academy of Mechanical Science
(No. 2 Shouti South Road, Beijing: Postal Code 100044)*
Format 880×1230
Print Sheet 3/8
Word Count 14.000bZxz.net
First Edition in October 1996
First Printing in October 1996
Print Quantity 1-500
Price 500 Yuan
96-014
Mechanical Industry Standard Service Network: http/AvwwJB.ac.cn968
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