JB/T 10226.2-2001 This standard specifies and supplements GB/T 9061-1988 "General Technical Requirements for Metal Cutting Machine Tools" and JB/T 9874-1999 "General Technical Requirements for Assembly of Metal Cutting Machine Tools". This standard includes two parts under the general title of "Gantry Milling Machine": JB/T 10226.1-2001 Accuracy Inspection of Gantry Milling Machines JB/T 10226.2-2001 Technical Requirements for Gantry Milling Machines This standard specifies the requirements for the manufacture and acceptance of gantry milling machines. This standard applies to ordinary precision gantry milling machines with a maximum planing width of 800 to 2000 mm. This standard was first issued in March 2001. JB/T 10226.2-2001 Technical Specifications for Gantry Milling Machines JB/T10226.2-2001 Standard Download Decompression Password: www.bzxz.net

ICS25.0R0.25
Machinery Industry Standard of the People's Republic of China
JB 10226.2--2001
Double column milling and planing machinesSpecifications
2001-03-29 Issued
China Machinery Industry Federation
2001-07-01 Implementation
3B/T10226.1-10
This standard is based on the structural characteristics of the gantry milling machine and the user's quick use requirements, and is a revision of GBT9061-1988 "General Technical Requirements for Metal Cutting Machine Tools" and JB/9874-1999 This standard is specified and supplemented by the general title of "General Technical Conditions for Assembly of Metal Cutting Machine Tools". This standard includes the following two parts: Part I (i.e. B10226.1): Degree Inspection Part II (i.e. B10226.2): ​​Technical Conditions This standard is proposed by the National Technical Committee for Standardization of Metal Cutting Machine Tools, and this standard is submitted by 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: Jinan Second Machine Tool Group Co., Ltd. The drafting units of this standard are: Wumei Heavy Machine Tool Factory, Dongfang Machine Tool Factory, Taiyuan First Machine Tool Factory, and the main drafters of this standard are: An Yanan, Chao Fengwei, Qu Yayun, Xingtan, Zhao Panping. This standard is published for the first time.
Standard of the Machinery Industry of the People's Republic of China
Double column milling machine manual
Technical conditions
Double column milling machine-Specifications
This standard specifies the requirements for the manufacture and assembly of double column milling machines JB/T10226.2-2001
This standard is applicable to ordinary precision double column milling machines for general use with a maximum planing width of 800~2000mm. 2 Reference 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 the parties using this standard should explore the possibility of using the latest version of the following standards. GB/T5226.11996
GB.T6576---1986
GR.T 9G1—1988www.bzxz.net
JR/T 9872—1999
JR/T 9873—1999
JB.T9874—1999
JB/T 9 8761999
JB/T9877-1999
JB/T10051—1999
JB/T 10226.1—2001
General requirements
Industrial machinery and electrical equipment Part 1, General technical conditions Machine tool lubrication system
General technical conditions for metal cutting machine tools
General technical conditions for metal cutting machine tools Mechanical processing parts General technical conditions for metal cutting machine tools Joint parts General technical conditions for metal cutting machine tools Assembly general technical conditions for metal cutting machine tools Color method inspection and evaluation of combined paint on metal cutting machine tools Determination of cleanliness of metal cutting machine tools
General technical conditions for hydraulic systems of metal cutting machine tools Determination of cleanliness of gantry milling machines
When accepting machine tools according to individual standards, the remaining related acceptance items in GB/T9061: JBT9872, JB/T9374 and other standards that have not been concretized in the 4-standards must be inspected at the same time. 4 Accessories and tools
4.1 The following accessories and tools shall be supplied randomly with the batch: camera handle
b) Clamping bottle for tool holder
) Wrench for fastening the sword
d) Plate for locking the tool holder
e) Ruler for inspecting the guide rail of the machine tool
F) Shim for installing machine tools, firecrackers, mother cylinders, and rings approved by China Machinery Industry Federation on March 29, 2001 1 piece:
1 piece:
1 piece:
1 piece;
Full set:
Implementation on July 1, 2001》Lubricating oil gun
h) Pull rod for blunt head
4.2 The following special accessories may be provided according to agreement:) Lens:
b) Head.
S Machining and assembly quantity
JB/T 10226.2—201
1 piece:
1 set.
5.1 The bed, workbench, column, milling head and milling head box are important castings and should be aged after rough machining. 5.1 The bed and the cross guide rail pair should be made of resistant steel. 5.3 The outer surface of the machine tool welded parts should be flat and uniform. The quality of the connected parts should comply with the provisions of BT9873. 5.4 The cone of the machined parts such as the spindle of the head and the matching mandrel of the sleeve should be inspected with a gauge. The contact surface rate of the body should be close to the maximum, and the actual contact length and the working length should not be less than 75%. It should be inspected and evaluated according to the provisions of B9876. 5.5 When the finished product of the machine tool is inspected during the assembly process, its cleanliness inspection should comply with the provisions of the old T9877. 5.5.1 The cleanliness of the parts of the machine tool shall be checked by daily measurement and manual inspection during the assembly process. 5.5.2 The cleanliness of the following parts shall be tested and evaluated by weight method (spot check): a) The internal cleanliness of the vertical tool holder and tool holder feed box, the speed box for lifting and clamping the beam, and the sharp head box shall be tested by weight method, and the impurities and dirt shall not exceed 400mg/L:
b) The lubrication system shall take the oil sample in the oil tank, and the impurities and dirt shall not exceed 200mg1. 5.6 The following joint surfaces ... Requirements for assessment: a) The joint surface between the column and the bed
b) The joint between the column and the connecting beam,
c) The pin joint surface between the bed and the bed, the workbench and the work load; d) The joint surface between the tool holder and the slide plate, the frame and the pain plate; e) The joint surface between the rack and the T-table;
Various door inlays: The joint surface between the pressure plate and the base: ) The joint surface between the lead screw or nut, the support and the base; h The joint surface between the milling head box and the plate.
, 7 The bed guide pair shall be assessed according to the requirements of the sliding guide pair, and other guide pairs shall be assessed according to the requirements of the displacement guide pair. 5.8 The following important pricing chain pins shall be tested by color method, and their contact length shall not be less than 60% of the working length of the chain pin) Positioning pins between the column and the bed:
b) Positioning pins at the joint between the bed and the bed, the workbench and the workbench. 6.1 The step-speed machine tool should be operated from the lowest speed to the highest speed in sequence, and the operation time should not be less than 2 hours. The stepless machine tool should be tested at low, medium and high speeds, and the operation time of each speed should not be less than 2 hours. The main pump should start from the lowest speed and run each speed in sequence. The operation time of each speed should not be less than 2 hours, but the operation time at the highest speed should not be less than 1 hour, so that the main transmission shaft bearing reaches a stable temperature. Check the temperature of the bearing. The temperature should not exceed 70°C and should not exceed 40°C. 6.2 At low, medium and high speeds, the work and lens should be started, stopped and inched 10 times each. The total action should be smooth and reliable.
JE/T10226.2—2401
63 Carry out low, medium and high speed feed test on each tool holder and head, and the test time shall not be less than 2 minutes. The uniformity of the feed shall meet the design requirements.
6.4 Each tool holder plate and head shall be moved quickly throughout the stroke, and the weight shall be moved 3 times each. The action shall be flexible and reliable. 5 Carry out the action test on each tool holder and the knife guard 10 times. The action shall be flexible and reliable. 6. Carry out the full stroke lifting test on the stone beam, and the lifting times shall not be less than 2 times. The flexibility and liftability of the test action shall be tested. 6.7 The idling power of the main transmission system [excluding the no-load power of the main motor] shall not exceed 25% of the calculated power of the main motor. 6.B The working conditions of the electrical, hydraulic and sliding systems of the machine tool shall meet the requirements of GE/T5226.1, GB/T6576, JB/T10051 and the design documents.
6.9 Test the safety, insurance, protective devices and feeding, operating and clamping mechanisms of the machine tool. The functions must be functional, flexible and reliable.
7.1 This series of machine tools should be tested for the following loads: a) Test of the machine speed, load, and workpiece load ratio (sampling change); b) Test of the machine tool main transmission system reaching the maximum power; c) Test of the workbench rack reaching the maximum tension during planing; d) Test of the workbench rack exceeding the maximum tension by 15% for a short time (spot check); e) Test of large cutting torque (spot check);
Test of the maximum torque exceeding 15% during milling (spot check change).2. The operation test of the machine tool with a large load plate can be carried out by placing a heavy object equivalent to the load specified in the design as the workpiece on the workbench to make it cut evenly. The workbench moves at low speed and high speed specified in the design respectively. The machine tool should be stable and reliable. There is no obvious impact at low speed, and obvious impact at high speed. The test time is not less than 10 minutes. 7.3 The maximum power test of the machine tool, during the test, adjust the cutting seat to reach the design power. P
In the formula: P: the design power of the input main motor, kw1 the maximum rack tension specified in the design, N: Fu
600007n7c
v—the speed of the workbench during the load test specified in the design, m/min:——the efficiency of the main motor during the load test
Node—the number of intermediate links from the main motor to the rack. 7.4 The machine tool workbench bar reaches the maximum tensile test. During the test, adjust the cutting disc to make it reach the design power. The test time is not less than T smina
7.5 The machine tool workbench gear system exceeds the maximum tensile force by 15% for a short time. The test time is not less than 2m. 7.6 When the machine tool complies with various load tests, the working mechanism should work normally, stably, safely and reliably. 8 Precision inspection of machine tools
8.1 The belt inspection shall be carried out in accordance with the provisions of .TA10226.1: 8.1T The precision test specification shall be in accordance with the provisions of the design documents. 3
JB/11226.2—2001
8.3T. Precision! During inspection, the maximum allowable value of the roughness Ra of the specimen surface is 1.6um; during grinding: the maximum allowable value of the relative thickness R is 3.2μme
Machine technical parts
Machine tool instruction manual - one copy is randomly supplied.
Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.