JB/T 2732.4-1999 This standard is a revision of JB/Z "Series of Cantilever Planers and Double Column Planers". During the revision, only the editorial modifications were made according to the relevant regulations, and the main technical content was not changed. This standard is part of the JB/T 2732 series of standards, which includes the following four parts: JB/T 2723.1-1994 Precision of Cantilever Planers and Double Column Planers JB/T 2723.2-1994 Technical Conditions of Cantilever Planers and Double Column Planers JB/T 2732.3-1999 Parameters of Cantilever Planers and Double Column Planers JB/T 2723.4-1999 Series of Cantilever Planers and Double Column Planers This standard specifies the series composition, purpose, performance characteristics, varieties and parameters of cantilever planers and double column planers. This standard applies to newly designed general-purpose cantilever planers and double column planers. This standard was first issued in March 1975 and revised for the first time in March 1989. JB/T 2732.4-1999 Cantilever planer and gantry planer series JB/T2732.4-1999 Standard download decompression password: www.bzxz.net

ICS25.080.25
Machinery Industry Standard of the People's Republic of China
JB/T2732.4—1999
Series of Models
Cantilever Planer and Double Column Planer
Published on May 20, 1999
National Bureau of Machinery Industry
Implemented on January 1, 2000
JB/T27324—1999
This standard is revised on the basis of JB/Z121-89 "Cantilever Planer and Double Column Planer Series". The technical content of this standard is consistent with that of JB/Z121-89, and it has only been re-edited according to relevant regulations. This standard is part of the JB/T2732 "Cantilever Planer and Double Column Planer" series of standards. This series of standards includes the following four parts: JB/T2732.1—1994
Cantilever planer and gantry planer precision
Technical conditions
JB/T 2732.2—1994
Cantilever planer and gantry planer
JB/T2732.3—1999
Cantilever planer and gantry planer
JB/T 2732.41999
Series of models
Cantilever planer and gantry planer
This standard replaces JB/Z121-89 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 Heavy Machine Tool Branch of the National Technical Committee for Standardization of Metal Cutting Machine Tools. The responsible drafting unit of this standard is Wuhan Heavy Machine Tool Factory. The drafting units of this standard are: Jinan No. 2 Machine Tool Group Co., Ltd. and Taiyuan No. 1 Machine Tool Plant. This standard was first issued in March 1975 and revised for the first time in March 1989. 1
1 Scope
Machinery Industry Standard of the People's Republic of China
Cantilever Planer and Gantry Planer
Series
JB/T2732.4—1999bzxz.net
Replaces JB/Z121-89
This standard specifies the series composition, purpose, performance characteristics, varieties and parameters of cantilever planer and gantry planer. This standard applies to newly designed general-purpose cantilever planer and gantry planer. Cited Standards
The provisions contained in the following standards constitute the provisions of this standard by 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. JB/T2732.1—1994 Precision of cantilever planer and gantry planer 3 Series composition
The series composition of cantilever planer and gantry planer is shown in Figure 1. Cantilever planer
Cantilever planer and gantry planer
Series composition
4 Application and performance
4.1 Cantilever planer
The type of machine tool is shown in Figure 2.
Gantry planer
Light gantry planer
Simple gantry planer
Series composition of cantilever planer and gantry planerFigure 1
Figure 2Cantilever planer
The machine tool is suitable for single-piece, small-batch or batch production in the manufacturing industries of machine tools, automobiles, tractors, etc. It is used for rough and fine planing of various parts horizontal planes, vertical planes, inclined planes, and guide rail surfaces composed of various planes. The precision of the cantilever planer should meet the requirements of JB/T27321. It adopts a single column fixed to the bed, and the cantilever beam is placed on the column. Generally, there are two vertical tool holders on the cantilever beam and two side tool holders on the column. The cantilever beam and the side tool holder move vertically along the column, and the two vertical tool holders move horizontally along the cantilever beam. The worktable reciprocates on the bed.
According to user needs, it can be equipped with special accessories such as milling head, grinding head, reciprocating cutting device and auxiliary column or auxiliary guide rail. 4.2 Gantry planer
The type of machine tool is shown in Figure 3.
Figure 3 Gantry planer
Gantry planer is a basic series. The machine tool is suitable for single-piece, small-batch or batch production in the manufacturing industries such as machine tools, heavy machinery, and large diesel engines. It is used for rough and fine planing of horizontal planes, vertical planes, inclined planes and guide surfaces composed of various planes of various parts. The accuracy of the gantry planer should meet the requirements of JB/T2732.1.
It adopts double columns to fix the bed, the top of the column is connected to the top beam, and the beam is placed on the two columns. Generally, there are two vertical tool holders on the crossbeam, and a side tool holder on each of the left and right columns. The crossbeam and the left and right tool holders move vertically along the columns, the vertical tool holders move horizontally along the crossbeam, and the worktable reciprocates on the bed. According to user needs, it can be equipped with special accessories such as milling heads, grinding heads, and reciprocating cutting devices. And the maximum planing width or maximum planing height of the basic model can be changed to form a modified product.
4.3 Light gantry planer
The machine tool is formed by increasing the maximum planing width on the basis of the gantry planer basic model. Its precision performance, use and structure are the same as those of the gantry planer basic model.
4.4 Simple gantry planer
The machine tool is suitable for single-piece and small-batch production in manufacturing industries such as textiles and agricultural machinery and various machinery repair industries. It is used for rough and fine planing of horizontal planes, vertical planes and guide surfaces composed of various planes of various parts. The straightness of the workpiece should reach 0.03mm/m, and the maximum allowable value of surface roughness R is 2.5μm
It is fixed to the bed with double columns, the top of the column is connected to the top beam, and the crossbeam is placed on the two columns. Generally, there are two vertical tool holders on the crossbeam and a side tool holder on the column. Its movement form is the same as the basic type, but the structure is simple. The maximum planing width, maximum planing height and maximum planing length are the same as the basic type of the gantry planer, but other parameters are very different. 2
The varieties of cantilever planers and gantry planers are shown in Table 1. Maximum planing width
Cantilever planer
Gantry planer
Simple type
JB/T2732.4—1999
The parameters of cantilever planers and gantry planers should comply with the provisions of Table 2. Table 2
Maximum planing width
Maximum planing height
Maximum planing length
Table width
Table speed
Tension F
Cantilever planer
Gantry planer
Permissible workpiece weight per meter of table length t
The parameters of light gantry planer shall comply with the provisions of Table 3. Table 3
Maximum planing width
Maximum cutting height
Maximum planing length
Table width
Table speed
Workbench pulling force
Permitted workpiece weight per meter of workbench t
≥900
≥1120
≥120
≥100
≥160
≥1400
≥160
≥200
≥1800
≥120
≥250
≥350
≥2250
≥160
JB/T2732.4-1 999
The parameters of the simple planer should comply with the provisions of Table 4Table 4
Maximum planing width
Maximum cutting height
Maximum planing length
Workbench width
Workbench speed
Working stroke
Return stroke
Allowable workpiece weight per meter of workbench length t
1) Refers to when the workbench working stroke speed is 14m/min,4
Force driving the workbench
Republic
Mechanical Industry Standard
Cantilever Models of planers and planers series
JB/T27324—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 1/2
Word count 10000
First edition in June 1999
First printing in June 1999
Print run 1-500
Price 500 Yuan
99-241
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