GB/T 9061-2006 PDF English
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General specifications for metal-cutting machine tools
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| GB/T 9061-1988 | English | 439 |
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General specifications for metal-cutting machine tools
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GB/T 9061-2006: General specifications for metal-cutting machine tools---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT9061-2006
GB
National Standard
of the People’s Republic of China
ICS 25.040.20
J 50
Replacing GB/T 9061-1988
General Specifications for
Metal-Cutting Machines Tools
Issued on. JANUARY 24, 2006
Implemented on. AUGUST 1, 2006
Jointly issued by. General Administration of Quality Supervision,
Inspection and Quarantine;
Standardization Administration of the People's
Republic of China.
Table of Contents
Foreword... 3
Introduction... 5
1 Scope... 6
2 Normative References... 6
3 Technical requirements... 8
3.1 Type, Name and Parameters... 8
3.2 Layout and Shaping... 9
3.3 Performance and Construction... 9
3.4 Accessory and Tools... 9
3.5 Electrical System... 9
3.6 Numerical Control System... 9
3.7 Hydraulic, Pneumatic, Cooling and Lubricating System... 10
3.8 Measuring Device... 10
3.9 Safety and Health... 10
3.10 Life-span... 10
3.11 Label... 10
3.12 Accompanying Technical Document... 11
3.13 Processing Quality... 11
3.14 Assembly Quality... 11
3.15 Appearance Quality... 11
4 Inspection and Acceptance... 13
4.1 General Description... 13
4.2 General Requirements... 14
4.3 Appearance Inspection... 14
4.4 Accessory and Instrument Inspection... 15
4.5 Parametric Test (Sampling inspection)... 15
4.6 Idle-running Test of Machine Tools... 15
4.7 Load Test of Machine Tools... 18
4.8 Accuracy Test of Machine Tools... 20
4.9 Miscellaneous... 21
5 Packing... 21
6 Manufacturer's Guarantee... 21
Appendix A (Normative) Method to Determine Steady Temperature and Temperature Rise
of Main shaft Bearing... 22
Appendix B (Informative) Test for Maximum Torsion Moment of Machine Tool Main Drive
System and Approximate Calculation Method... 24
Appendix C (Informative) Test for Maximum Cutting Resistance of Machine Tool and
Approximate Calculation Method... 25
Foreword
This Standard replaces GB/T 9061-1988 “General Specifications for
Metal-Cutting Machine Tools”. This revision compiles in accordance with GB/T
1.1-2000 “Directives for Standardization - Part 1.Rules for the Structure and
Abstract of Standards”. Standard construction and technical content have been
adjusted and modified; specification is more specific; the operability of this
Standard has been improved.
Compared with GB/T 9061-1988, the main revisions in this Standard are as
follows.
- In accordance with the requirements specified in GB/T 1.1, “Contents”,
“Foreword” and “Introduction” are added. Article expression of this
Standard meets the requirements; literal phrasing is concise and definite;
content, format and diagrams are modified according to drafting rules;
- The construction of this Standard is adjusted, with the cancellation of
previous standard’s Chapter 4, “Quality of Processing and Assembling”
and chapter 5, “Quality of Appearance”, which are merged into Chapter 3
of this Standard. The original heading, “Basic Requirements”, is changed
to “Technical Requirements”. Chapter 6 in the previous standard is
changed to Chapter 4 in this Standard, with the original heading
“Acceptance Inspection” changed to “Inspection and Acceptance”.
“Technical Requirements” and “Inspection and Acceptance” are highlighted
as two main compositions in this Standard;
- The heading of Chapter 1, “Subject Content and Application Scope”, is
changed to “Scope”; and the expression of application scope in the
previous standard is modified so as to definite the applicable limits and
objects;
- “Numerical Control System” is added to Chapter 3 in this Standard;
correspondingly “Numerical Control System” is added in Chapter 4;
- For technical requirements related to people’s health and safety that
belong to content of compulsory standard, 3.8 “safety and healthy” in the
previous standard has been revised significantly (see 3.9 in this edition) in
accordance with principle of direct quote;
- Referencing to overseas advanced standards, and considering domestic
manufacturing level at the present and principles of improving products
quality, the continuous running time of numerical control machine in 6.6.10
“Continuous Idle-running Test of Complete Machine” is adjusted (see
4.6.12 in this edition);
- “Supplementary Provisions” in the previous standard is deleted; the
relevant technical requirements are written in this Standard; each provision
has been supplemented and enhanced;
- The normative appendix, “Methods of Determining the Steady
Temperature of Main shaft Bearing and Value of Temperature Rise”, is
added (see Appendix A);
- The informative appendix, “Test and Approximate Calculation Method of
Peak Torque of Machine Tool Main Drive System”, is added (see Appendix
B);
- The informative appendix, “Test and Approximate Calculation Method of
Maximum Cutting Resistance of Machine Tool”, is added (see Appendix
C).
Appendix A of this Standard is normative; Appendix B and C are informative.
This national standard was proposed by China Machinery Industry Federation.
This Standard shall be under the jurisdiction of National Technical Committee
on Metal-cutting Machine Tools of Standardization Administration of China
(SAC/TC 22).
Drafting organization of this Standard. Beijing Machine Tool Research Institute.
Chief drafting staffs of this Standard. Xu Guangwu, Li Xiangwen, and Zhang
Wei.
The previous editions replaced by this Standard are.
- JB 2278-78, GB/T 9061-1988.
1 Scope
This Standard specifies both the fundamental and common technical requirements of
metal-cutting machine tool (hereinafter referred to as machine tool, including modular
machine tool and machine tool accessories).
This Standard is applicable to machine tool’s design, manufacturing, inspection and
acceptance. According to service performance and construction, different kinds of
machine tools may compile corresponding product-technology standards, and make
supplements to technology index, evaluation methods and inspection projects.
2 Normative References
The following normative documents contain provisions which, through reference in
this Standard, constitute provisions of this Standard. For dated reference, subsequent
modifications (excluding corrigendum) or revisions of these publications do not apply.
However, all parties coming to an agreement according to this Standard are
encouraged to study whether the latest edition of these documents is applicable. For
undated references, the latest edition of the normative document referred to applies.
GB/T 191-2000 Packaging - Pictorial Marking for Handling of Goods (eqv ISO
780.1997)
GB/T 3167 – 1993 Symbols for indications appearing on machine tools (neq ISO
7000.1984)
GB/T 3168-1993 Numerical control of machine - Symbols (neq ISO 2972.1979)
GB 5226.1 Safety of machinery - Electrical equipment of machines - Part 1.
General requirements (GB 5226.1-2002/IEC 60204-1.2000)
GB/T 6477.1-1986 Terminology for metal-cutting machine tools - Basic
terminology
GB/T 6477.2-1986 Terminology for metal-cutting machine tools; Modular
machine tools and transfer lines
GB/T 6477.16-1986 Terminology for metal-cutting machine tools - Machine tool
accessory
GB/T 6576-2002 Machine tools - Lubrication systems (ISO 5170.1977, MOD)
GB/T 7932-200 Pneumatic fluid power-General rules relating to systems (ISO
4414.1998, idt)
GB/T 13306-1991 Plates
GB/T 13574 1992 Metal-cutting machine tools - Test code for static rigidity
GB/T 15375-1994 Metal-cutting machine tools - Method of type designation
GB 15760 Metal-cutting machine tools - General safeguarding specification (GB
15760-2004)
GB/T 16768-1997 Metal-cutting machine tools - Measurement method for
vibration
3 Technical requirements
3.1 Type, Name and Parameters
The type and name of the machine tool shall be compiled and presented in
accordance with the relevant requirements specified in GB/T 15375, GB/T 6477.1,
GB/T 6477.2, GB/T 6477.16, JB/T 4168 and JB/T 2326.Coordinate and motion
direction of numerically controlled machine tool should be in accordance with the
requirements specified in JB/T 3051.
3.2 Layout and Shaping
3.3 Performance and Construction
Both the Performance and construction of machine tool shall meet the user's
requirements. The design of machine tool shall also put serialization, generalization
standardization, and modularized into full consideration.
3.4 Accessory and Tools
The machine tool shall be equipped with accessory and instrument that can ensure its
basic performance. Enlarge special accessories for service performance of machine
tools, which shall be supplied in accordance with customer requirements and the
agreement. Both the accessory and instrument shall be marked with corresponding
sign or specification.
Standard accessary and instrument of machine tool shall both ensure the
interchangeability and service performance of the connecting part.
3.5 Electrical System
Electrical system of the machine tool shall meet the requirements specified in GB
5226.1.
3.6 Numerical Control System
Numerical control system of the machine tool shall meet the relevant requirements
specified in JB/T 8832.
3.7 Hydraulic, Pneumatic, Cooling and Lubricating System
3.9 Safety and Health
It shall adopt safety precaution for the parts in machine tool that may cause damage
to personal health or equipment. The safety protection of machine tool shall meet the
specifications in GB 15760 or other related standards.
3.10 Life-span
3.11 Label
Product label on machine tool shall meet the relevant requirements specified in GB/T
13306.Contents on the label shall be correct and meet relevant regulations, with
simplified Chinese character published by the country. Symbols for indications such
as operation sign shall meet the requirements specified in GB/T 3167, GB/T 3168 and
related standard and technical document.
3.12 Accompanying Technical Document
Accompanying technical document of machine tool shall include operation
instructions, certificate of compliance, and packing list. The method of compiling
accompanying technical document of machine tool shall meet the specifications in
standards such as JB/T 9875, JB/T 9935.
3.13 Processing Quality
3.13.1 Designations and mechanical performance of the material of various parts of
machine tool shall meet the specifications in corresponding standards. Processing
parts of machine tool shall meet the requirements of corresponding standard, drawing
and technical document.
4 Inspection and Acceptance
4.1 General Description
4.1.1 Every bench shall be tested in the factory before exit-factory. In the testing, if
some machine tools need to be installed onto the entire production line, or when it
needs large quantity of special blanks and super-large, super-heavy work-piece that
the manufacturing factory does not have, then the test may be carried out at where
the machine tool is used, after user's agreement.
4.2 General Requirements
4.2.1 Attention shall be paid to interferences of air flow, ray and thermal radiation in
the machine tool inspection.
Machine tool shall be prevented from impact of surrounding temperature's change.
Machine tool that requires constant temperature shall be inspected in constant
temperature condition. Before using, the inspecting tool shall be in the same
temperature with machine tool.
4.3 Appearance Inspection
4.3.1 Evaluate the layout and shaping of machine tool according to 3.2 (only in type
inspection).
4.3.2 Inspect the appearance quality of machine tool according to 3.15.
4.4 Accessory and Instrument Inspection
Inspect the accessories and instruments supplied randomly according to 3.4 to see
whether they meet the specifications.
4.5 Parametric Test (Sampling inspection)
Inspect the parameters of machine tool according to 3.1.The type and size of the
connecting part, such as work clip gage and accessory, together with machine tool,
shall be in accordance with the specifications in related standard.
4.6 Idle-running Test of Machine Tools
4.6.1 Operation inspection
4.6.2 Temperature rise test
4.6.2.1 When the main shaft bearing reaches the steady temperature, inspect the
temperature and temperature rise, the value of which shall not be greater than that
specified in Table 2.Method to determine steady temperature and temperature rise of
main shaft bearing is shown in Appendix A.
4.6.4 Motion test
The operation test of machine tool shall contain the following contents.
4.8 Accuracy Test of Machine Tools
4.8.1 Test of geometric accuracy
The tests shall be conducted according to the requirements of the relevant standards
on the product accuracy test of machine tools. The movements of the parts shall be
controlled manually (or driven by low speed machine) in the tests. The geometric
accuracy of machine tool shall be tested before and after the load test (after
idle-running test, as for machine tool required no load test).
4.8.2 Test of working accuracy
The tests shall be conducted according to the requirements of the relevant standards
on the product accuracy test of machine tools.
4.8.3 Test of movement non-uniformity
It shall be tested according to the requirements of the relevant standard.
4.8.4 Vibration test (sampling)
It shall be tested according to the requirements of the relevant standard, and the
vibration measurement method shall meet the requirements of GB/T 16768.
4.9 Miscellaneous
It may be executed according to relevant content of technical requirements in
purchasing contract.
5 Packing
5.1 Machine tools must be treated with rust prevention before being packed.
5.2 The packing container of whole-set exit-factory machine tool shall be
accompanied with a set of technical documents. For complicated machine tool, two
sets of operation instructions shall be provided.
5.3 The packing for machine tools shall meet the requirements of GB/T 191, JB/T
8356.1, JB/T 8356.2, and JB/T 3207.
6 Manufacturer's Guarantee
Upon meeting the requirements in machine tool transportation, storage, installing,
debugging, repair and maintenance as well as complying with the service instructions,
the manufacturer shall be responsible for repair, return and exchange where the
machine tool is damaged or out of service due to the reasons like poor design,
manufacturing or package quality within one year after the user receives the product.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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