This standard specifies and supplements the general technical standards of machine tools such as GB 9061-88 "General Technical Conditions for Metal Cutting Machine Tools", ZBn J50 008.1 "General Technical Conditions for Machining Parts of Metal Cutting Machine Tools" and ZBn J50 008.3-88 "General Technical Conditions for Assembly of Metal Cutting Machine Tools" according to the structural characteristics and use requirements of vertical multi-axis semi-automatic lathes. This standard specifies the requirements for the design, manufacture and acceptance of vertical multi-axis semi-automatic lathes. This standard is applicable to sequential operation vertical multi-axis semi-automatic lathes with a maximum workpiece turning diameter of 250~630mm. JB/T 8481-1996 Technical Conditions for Vertical Multi-axis Semi-automatic Lathes JB/T8481-1996 Standard download decompression password: www.bzxz.net

Mechanical Industry Standard of the People's Republic of China
JB/T 8481-96
Vertical Multi-Axis Semi-Automatic Lathe
Technical Conditions
Published on January 7, 1996
Ministry of Machinery Industry of the People's Republic of China
Implementation on January 1, 1997
JB/T8481-96
Based on the structural characteristics and speed of vertical multi-axis semi-automatic lathes, this standard has been standardized and supplemented to the technical standards for the use of H00818 Metal Cutting Machine Tool General Technical Standards +2m15005B.158 Box Cutting Machine Tool Machining Parts General Technical System and Zr:5UUU.388 Metal Cutting Machine Tool Assembly General Technical Standards: Bearing Strips> and other machine-related technical standards. This standard takes effect from the date of entry into force. ZBJC-8 Vertical Multi-Axis Semi-Automatic Lathe Selection and Acceptance Requirements 3. This standard was designed by the National Machine Tool Standardization Technical Committee. This standard is issued by Xiyang Lathe:
This standard is a single-branch standard of the People's Republic of China, and is under the jurisdiction of the National Research Institute of China.
Mechanical Industry Standard of the People's Republic of China
Vertical Multi-Axis Semi-Automatic Lathe
Technical Conditions
This standard formally stipulates the requirements for the manufacture and inspection of passenger axle semi-automatic vehicles, B/T $481-96
It is applicable to vertical multi-spindle semi-automatic lathes with a diameter of 255--630mm on a vehicle. 2 Referenced Standards
The following clauses are included in the standard and will become the text of this standard when cited in the standard. The version indicated at the time of publication of the standard is the original version. New standards will be revised, so all parties to this standard should explore the possibility of using the latest version of the following standards: GH/T522%.116
GB QO1H
JR 413585
JB/Z276—68
2B Jt uu3--88
735488
2m J:0 GG3. 1—38
ZB JO CC8. 38R
ZI 150 C6-89
ZB J58 tC8—33
Industrial machinery inspection equipment first department, through the safety system of gold net cutting machine tool general technology killing parts
Gold quality cutting machine tool machine tool to parts law full protection effect record parts meeting national average thank machine tool precision sea classification
Determination of machine area
Special cutting machine tool
Determination of active source
Delineation of Lu Han green in the school
Gold net cutting machine tool machine can be general load of workpiece cattle Jinliang cutting machine tool
Assembly general technical parts
Set up the correct system general competitive soft parts
Jin vortex cutting machine pressure
Vertical axis semi-automatic 4 bed types
3.1 When accepting the machine according to non-standard standards, it is always necessary to inspect the other items that are not specified in this standard in (B9061.2[500c8.1.7FnJm008.8 and other standards. 3.2 Technical standard downgrade inspection When the bed is closed, the labor case IP/7.27h is ready! No assessment accessories and tools are required
4.1 To verify the basic performance of the twisting bed, the machine is used to change clothes to avoid death
Special monthly card
Approved by the Ministry of Machinery Industry on 1996-11-07
Single plate
Implementation on 1997-01-01
JB/T8-18196
42 In order to expand the performance of the machine tool, the following parts and components can be installed according to the type: fire: a) knife: b) special tool, d) special tool 1. Recording
5 Safety and health
S.1 The rotating table and other parts should be limited or safe 5.3 The work is connected with the half-axis, the main axis is connected with the power nest, and the amplitude or lifting movement is connected with the full compensation device. 5.3 Parts that may be loosened during movement must be equipped with necessary loosening devices. 5.4 The internal and external control components of the dynamic control device should not touch the blood and dust of the dynamic control device. 5.5 In the event of emergency or power system failure, the controlled components should not be lifted to the original position or stopped in the original position: the vertical or light moving parts should not be lifted.
5. If the fire limit is exceeded, an overload protection device must be installed. 5. If the coolant filter is used to prevent damage to the internal cooling system, the machine should not be equipped with a chip guard. 5.8 It is not allowed to operate the pneumatic part at the same time, and its control mechanism must be interlocked. If the interlocking cannot be achieved, a step sign should be set near the control mechanism and explained in the instruction manual. 5. When the machine is running, it will not produce irregular sharp noises and irregular impact sounds. In the middle and high speed air transport, the sound level should be specified according to 77J5004. The whole machine + user pressure level shall not exceed 81d (A): 5.10 According to the standard, the machine must be real-timely updated to prevent the other inspection items in the 4139 vehicle standard, and the inspection items specified in the C:/T=226.1 year ZBJ5J016 and the standard shall be signed for inspection. (Processing and assembly quality
6.1 The bottom of the workbench and the workbench are important parts and must be treated with inflammation after light work. G.2 The screw of the tool holder should be taken deeply and the attached solution should be implemented
6.3 The heat conduction pair of the second blasting table and the heat conduction pair of the vertical tool holder are the electrical requirements. The installation and matching of Li Hai's instructions are as follows. 1 The lower medicine surface should be placed according to the requirements of Beijing's "Technical Consideration".) The main transformer steam box and the gas surface!
b) The import and export of the brother Transmission differential element:
) Moving plate
d) Lower spindle end face and bottom punch joint surface are checked during assembly. (5) The following joints should be checked according to the requirements of "particularly important joints"::) Upper spindle end face and worktable joint surface: 5! The blade is forbidden to cause the plate and the vertical joint to be checked:) Medical plate and aluminum surface:
d) Vertical and bottom warehouse joint;
+) Side force mining and low seat drilling
The contact length between the workbench and the positioning pin should be small and the contact length should be small, and the joints should be within the range. 6. The pull-out assembly should be dynamically balanced and calibrated. See ZB150233 for the inspection of the machine tool. The gearbox, gearbox and other parts should be clean and the internal connection should be checked. The distance between the end and the center should not exceed 1%. 7 Machine tool idle operation test
7.1 Temperature testWww.bzxZ.net
J1/B481—96
The main motion machine should be operated from the lowest speed in sequence. The high-speed operation time shall not be less than: 21, the spindle light half reaches the light, and the shaft lift and assembly lift are measured at the farthest main bearing position. The value shall not exceed the requirements in Table 2, 2
The second formula||t t||When the machine tool is running, the injection molding machine should be driven according to the design documents. 7.2 Proof of dynamic and reverse motion inspection
The actual difference in the feed rate of the machine speed + feed rate will be observed, and the following order will be indicated by the signs and taxis 7.3 Dynamic accuracy test (trial purchase and purchase times are in accordance with the design documents)
) The shaft rotation test, the spindle start test, the annual operation test, the flexibility and reliability of the rescue operation; b) The standard platform is a tight function test, the stability of the sound relative kinetic energy; : three hydraulic, fire, cooling system station test, the stability of the performance of the whole system. The flexibility of the operation is available:) Carry out dynamic, rotatable work station test, check the stability of the operation:) Relatively large case, insurance, anti-smuggling equipment before the test, check the service kinetic energy can be extended T.4 No-load power test
Transmission load multi-flow no-load power : Not including the actual no-load power test of the station car), the main motor should meet the test specifications specified in the design of the soft test
, the whole machine should be put out of the load no-load test, the whole machine should not be continuously idling for no reason for less than 1b. The oil tank temperature should not be over-pressured, and it should not be damaged. 31:8 Machine tool load test
) The main motor should be tested in a short time:
b) Rapid cutting control test:
The main transmission system should be tested in a large power mode. All mechanisms of the machine tool should be in normal working condition, there should be no pulley or friction clutch playing, obvious loss of seat or change, the test installation should show obvious efficiency, and the electrical and hydraulic systems should not work normally. The load test should be carried out according to the design test specifications. 8.1 The transmission system should be tested in accordance with the following standards: 1) The main "large torque overload test" should be carried out under the torque range of the main engine. The test should be carried out under the torque range of the main engine. The oil check test should be carried out after the torque is adjusted to the maximum value of 2%. The transmission system should be tested in the outer area before the vehicle is replaced. If the test is carried out in accordance with the standard, the test is as follows: TSEECi.Nm;
JB/T8481-96
The yield of the machine before starting, kw: P: Air load (with test piece) Power supply, kW: Rotation speed: 1/mt
8.2 Cutting resistance test
Main system cutting resistance test includes:
a! Cutting resistance test:
b) Test for a period of time exceeding the maximum cutting resistance of 25%. For mass-produced machines, it is allowed to test under the cutting resistance, but it should be sufficient to conduct a random inspection test of 25% of the maximum cutting force. The test point test is to test the outer ring of the press test. During the impact resistance test, the main external force is calculated according to the formula (which is: FaU550 (PP)
where: F
cutting resistance main division,;
memory power grid electric power, kw:
air transport (with test piece) power grid to the motor,; - to the pipe flange diameter.rah;
pumping speed, :/min.
transmission system city test
main transmission system product people work The test is to test the ability of the machine to withstand the electric constant speed, and to use a scratch test net for 8.4
Machine tool load test piece
Test material: I200
Test piece size:
Diameter (diameter
Length: piece length, including holding length)
The material, type, cutting quality, etc. are specified by the manufacturer in the relevant technical documents. 8.5 The vertical tool holder, water tool holder, and side tool holder are all subjected to load scratching test: 9 Machine tool rotation inspection
9.1 Machine tool internal precision inspection is completed in accordance with Z008, and the machine tool load test is carried out in the non-idle operation test and the machine tool load test 9.2 Working precision inspection. End precision turning reverse precision turning external net test piece surface material auxiliary H.3.2, (2)
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