JB/T 10141.2-1999 This standard specifies and supplements GB/T 9061-1988 "General Technical Conditions for Metal Cutting Machine Tools", JB/T 9872-1999 "Technical Conditions for General Parts Machining of Metal Cutting Machine Tools" and JB/T 9874-1999 "General Technical Conditions for Assembly of Metal Cutting Machine Tools" based on the structural characteristics and use requirements of wheel lathes. This standard is part of the JB/T 10141 "Wheel Lathe" series of standards. This series of standards includes the following two parts: JB/T 10141.1-1999 Wheel Lathe Accuracy Inspection JB/T 10141.2-1999 Wheel Lathe Technical Conditions This standard specifies the requirements for the manufacture and acceptance of wheel lathes. This standard is applicable to ordinary horizontal wheel lathes and gantry wheel lathes. CNC horizontal wheel lathes and gantry wheel lathes can be used as a reference. This standard was first issued on October 8, 1999. JB/T 10141.2-1999 Technical requirements for wheel lathes JB/T10141.2-1999 Standard download decompression password: www.bzxz.net

ICS 25. 080.15
Machinery Industry Standard of the People's Republic of China
JB/T10141.2—1999
Wheel Lathe
1999-10-08 Issued
Technical Conditions
2000-03-01 Implementation
State Bureau of Machinery Industry
JI/T10141.2—1995
This standard specifies and supplements GB9061—1999 General Technical Requirements for Metal Cutting Machine Tools, JB/T9872—1999 General Technical Requirements for Mechanical Components of Metal Cutting Machine Tools and JD/T9874—1999 General Technical Requirements for Assembly of Metal Cutting Machine Tools based on the structural characteristics and practical requirements of wheel lathes. This standard is part of JB/T10141 Wheel Lathe. This series of standards includes the following two parts: Part 1 (i.e. B/T10141.1) Wheel Lathe Accuracy Inspection; Part 2 (i.e. JB/T10141.2): Wheel Lathe Technical Conditions, which is proposed by the National Metal Cutting Machine Standardization Technical Committee. This standard is under the jurisdiction of Wuhan Heavy Machinery Research Institute. The responsible drafting unit of this standard is Qinghai Heavy Machinery. The drafting unit of this standard is Qiqihar No. 1 Machine Tool Factory. This standard is drafted by: Wang Shibi, Wang Ken, Cha Zhaofang, Chen Liang, Dong Chengqi, Scope
Machinery Industry Standard of the People's Republic of China
Wheel lathe
Technical conditions
The standard specifies the requirements for the manufacture and acceptance of wheel lathes, 18/T10141.2—1999
This standard is applicable to horizontal wheel lathes of the CNC type, portal wheel lathes, CNC horizontal wheel lathes, and portal wheel lathes.
2 Cited Standards
The provisions contained in the following standards are generally cited in this standard and constitute the text of 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 versions of the following standards. GD/T 5226.11996
G/T 9061—:9BB
GR15760—1995
GH:T16769—[99?
JB71 98721999
JB：987419
JB:4877-1999
JB/T1005—1999
JB/TJ014.E1
General requirements
T. Electrical equipment for industrial machinery Part 1: General technical conditions General technical conditions for metal cutting machines
General technical conditions for the safety protection of metal cutting machines Cutting machine tool machining parts application technology parts other metal cutting machine tool assembly general technology parts other metal cutting machine tool cleanliness determination
Metal cutting machine tools, hydraulic system general technology policy wheel lathe precision inspection
According to the standard acceptance of machine tools, it is necessary to inspect the other acceptance items in GB/T9061, [B/T9872 and J/T9874 standards that are not specified in this standard at the same time. The safety of the machine tool complies with GB15760, GB/T1676 9. GB/T5226.1JB/T1005E 4 Accessories and tools
4.1 The following parts and tools should be provided at random: a) Vibrating fluid for projecting; b) Mobile force frame for:
5) Adjusting shims, bolts and operating plates for machine tools; ) Oil gun for lubrication:
e) Other work for machine tool installation, adjustment and operation; 4.2 High-precision special parts can be provided by the equipment.
Guohao Machinery Approved by the Industrial Bureau on October 8, 1999, and implemented on March 1, 2000
5 Machining and assembly quality
T/T1014F.2—1999bZxz.net
5.1 The bed, headstock box, slide box and lower tool holder are important parts and must be aged after rough processing. 5.2 For the main parts that wear out, such as the headstock box shaft (two bearing journals), main shaft sleeve (external and secondary holes), main drive gears, etc., appropriate wear-resistant measures must be taken.
5.3 The guide rails of the bed and the tool holder should be made of erosion-resistant cast iron, steel guide rails, plastic guide rails or high (medium) frequency induction fire and other grinding measures.
The following joint surfaces should meet the requirements of "important fixed joints": a) the joint between the headstock and the bed; b) the joint between the lower tool holder and the bed;
|) the joint between the plate box and the lower rack;
|5.5 "The following joints The joint surface shall be checked according to the requirements of "particularly important fixed joint surface": 1) the joint surface between the front and rear cover of the headstock main shaft and the box body; 2) the joint surface between the bracket and the base body; 3) the joint surface between the longitudinal and distal guide rails of the guide frame shall be checked according to the requirements of "static pressure, sliding (rolling) guide". 4) The guide rails of the moving parts of the machine shall be checked according to the requirements of "relocation guide". 5.8 The anti-smearing shall be inspected according to the provisions of [B/T9877]. The lubrication system and hydraulic system shall be inspected (checked) by weight method. Its impurities, the line can not afford to slip: floating system, 4m: hydraulic system, 200m. 5.9 The main shaft sleeve of the machine tool and its matching top processing hammer body are inspected by the disc gauge coloring method. The contact of the body should be very large. The ratio of the actual ring contact angle to the length of the lower workpiece shall not be less than T75%. 5.10 Please do color inspection for the lower important positioning. The connection length shall not be less than 70% of the K degree. The contact parts should be distributed on both sides of the connection:
! Positioning of the connection between the end box and the bed Wrong: b) The positioning pins of the slide box and the lower tool holder are connected in reverse) The positioning pins of the front and rear spindles of the machine box and the box body are connected: 1) The positioning pins of the bearing body are connected to the bearing body 6 Machine tool idle operation test
6.1 The seven moving mechanisms of the machine tool are operated in sequence at the lowest speed. The operation time at each speed should not be less than 2 hours (for stepless speed machine tools, low, medium and high speed operation should be performed), and the high-speed operation should not be less than 1 hour, so that the spindle shaft reaches a stable temperature and the temperature and temperature rise of the bearing are measured. For dynamic bearings, the temperature should not exceed 70°C and the temperature rise should not exceed 40°C: for sliding bearings, the temperature should not exceed 60°C and the temperature rise should not exceed 30%.
6.2 Use rapid reciprocating motion of the frame, and the number of waiting times should be no less than ten times. The starting and stopping should be flexible and flexible, and the effective stroke should be stable. 6.3 Change the main motion and feed speed, each hand should be less than once, and the variable connection mechanism should be flexible and reliable. 6.4 No-load load rate of main transmission system (excluding no-load power of main motor, accounting for percentage of rated average load of main motor, shall not exceed specified value.
6.5 Continuous no-load test of whole machine
JB/T10141.2-1999
General model shall be subject to continuous no-load test, CNC model shall be subject to continuous no-load test, no faults shall occur during the whole operation process, the automatic cycle of the test shall include all functions and the whole operating range, the time between each automatic tuning cycle shall not exceed 11m.17 Machine tool load replacement test
The machine tool shall be subject to the following load tests:
) Operation test without excessive weight of machine parts (spot check) Test of large torque and large resistance of the effective system on the bed:. ; Test of power selection of main power system of the machine (inspection); d) Machine severity test and inspection
The test conditions shall be selected by the manufacturer. 8 Machine tool precision inspection
8.1 The precision inspection shall be carried out in accordance with JB汀10[4.1, 8.2 The precision of the machine tool shall be inspected before and after the load test, among which G, G4, 05, G6 and 1 are thermal inspection items: the test data shall be based on the machine reaching a stable temperature. 8.3 The precision inspection performance test specification and design document stipulate that 8.4 The maximum allowable value of the surface roughness R of the wheel tread of the passenger and freight car wheel test piece after T is 1.25μ, and the maximum allowable value of the surface roughness R of the wheel flange tread of the electric locomotive wheel test piece after T is 6.3μm,
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