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GB/T 38193-2019

Chinese Standard: 'GB/T 38193-2019'
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BASIC DATA
Standard ID GB/T 38193-2019 (GB/T38193-2019)
Description (Translated English) (Auto gear machine tool processing automatic production line)
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard J56
Classification of International Standard 25.040.20
Word Count Estimation 16,138
Date of Issue 2019-10-18
Date of Implementation 2020-05-01
Drafting Organization Chongqing Machine Tool (Group) Co., Ltd., National Machine Tool Quality Supervision and Inspection Center, Nanjing No. 2 Machine Tool Co., Ltd., Tianjin First Machine Tool Co., Ltd., Sichuan Push Ningjiang Machine Tool Co., Ltd., Yichang Changji Technology Co., Ltd.
Administrative Organization National Technical Committee for Standardization of Metal Cutting Machines (SAC/TC 22)
Proposing organization China Machinery Industry Federation
Issuing agency(ies) State Administration of Markets and China National Standardization Administration

GB/T 38193-2019
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 25.040.20
J 56
Machine tools automatic production line for
automobile gears
汽车齿轮机床加工自动生产线
ISSUED ON: OCTOBER 18, 2019
IMPLEMENTED ON: MAY 01, 2020
Issued by: State Administration for Market Regulation;
Standardization Administration of the People's Republic of
China.
Table of Contents
Foreword ... 3 
1 Scope ... 4 
2 Normative references ... 4 
3 Type and composition ... 5 
4 Technical requirements ... 7 
5 Inspection and acceptance ... 12 
6 Packaging ... 15 
Bibliography ... 17 
Machine tools automatic production line for
automobile gears
1 Scope
This Standard specifies requirements for design, manufacture, inspection and
acceptance of machine tool automatic production line for automobile gears.
This Standard is applicable to machine tool automatic production line for
automobile gears of which the maximum workpiece diameter is 260mm, that
mainly completes the processes of turning, tooth making, chamfering and
deburring (hereinafter referred to as “automatic line”).
2 Normative references
The following referenced documents are indispensable for the application of
this document. For dated references, only the edition cited applies. For undated
references, the latest edition of the referenced document (including any
amendments) applies.
GB/T 4208-2017, Degrees of protection provided by enclosure (IP code)
GB/T 5226.1-2019, Electrical safety of machinery - Electrical equipment of
machines - Part 1: General requirements
GB/T 6576-2002, Machine tools - Lubrication systems
GB/T 7932-2017, Pneumatic fluid power - General rules and safety
requirements for systems and their components
GB/T 9061-2006, General Specifications for Metal - Cutting Machines Tools
GB 15760-2004, Metal-cutting machine tools - General safeguarding
specification
GB/T 17421.5-2015, Test code for machine tools - Part 5: Determination of
the noise emission
GB/T 23570-2009, Welding parts for metal cutting machines - General
specifications
GB/T 23572-2009, Hydraulic system general specifications for metal-cutting
etc.;
b) the logistics unit includes truss manipulator or robot, feed bin, exchange
channel (equipped when needed), etc.;
c) the control unit includes computer, control system, sensor, etc.
4 Technical requirements
4.1 Requirements for production line entry
The truss manipulator (or robot) in the CNC equipment and the logistics unit in
the automatic line, before entry to the production line, shall be respectively
inspected accepted according to corresponding product standards and
technical agreements.
4.2 Parameters
The parameters of the automatic line shall comply with the provisions of the
design documents.
4.3 Layout and appearance
4.3.1 The automatic line shall be reasonably arranged, beautiful in appearance
and harmonious in color.
4.3.2 The operation desk shall be easy to operate. The operating buttons are
clearly marked for easy identification, in accordance with the ergonomic
principles.
4.3.3 The protective cover and protective guard shall be flat and well-
proportioned. They shall not warp or dent.
4.3.4 The color and gloss of the coating shall be uniform. The coating shall be
flat. There shall be no defects such as blistering and falling-off on the surface
of the coating.
4.3.5 The marks and signs of all kinds of information shall be flat and fixed in
obvious position, clear and durable, not skewed.
4.3.6 Others shall meet the requirements of 3.15 and design documents in GB/T
9061-2006.
4.4 Performances and functions
4.4.1 The mechanical docking interface between the CNC equipment and the
logistics unit of the automatic line shall be adapted to each other.
d) If necessary, the logistics unit of manual loading shall have measures to
prevent incorrect placement of the workpiece.
4.5 Electrical system
The electrical system in the automatic line shall comply with the provisions of
GB/T 5226.1-2019.
4.6 CNC system
The CNC system in the automatic line shall comply with the provisions of GB/T
26220-2010.
4.7 Hydraulic, pneumatic and lubrication systems
4.7.1 The hydraulic system of the automatic line shall comply with the provisions
of GB/T 23572-2009.
4.7.2 The pneumatic system of the automatic line shall comply with the
provisions of GB/T 7932-2017.
4.7.3 The lubrication system of the automatic line shall comply with the
provisions of GB/T 6576-2002.
4.7.4 There shall be no leakage in any part of the hydraulic, lubrication and
pneumatic system of the automatic line.
4.8 Hygiene and safety
4.8.1 The safety protection of automatic lines shall comply with the provisions
of GB 15760-2004 and GB/T 5226.1-2019.
4.8.2 The working area of the automatic line shall be equipped with protective
devices, which is convenient for the operator to observe.
4.8.3 The manual operating area shall be spatially isolated from the truss
manipulator (or robot) motion area. It shall set logical control in the coincident
area. There shall be a hardware protection mechanism.
4.8.4 The hydraulic system and the pneumatic system shall provide stable
normal working pressure. When it exceeds the set limit, it shall issue a warning
signal or make the automatic line motion stop.
4.8.5 After the emergency stop, release the alarm after the emergency stop
button is released. The automatic line shall not start automatically.
4.8.6 The alarm device of the processing equipment shall be located in an easy-
to-view position.
c) Verify the truss manipulator (or robot) jaws to pick up and place the
workpiece 10 times each time. The action shall be reliable. The workpiece
shall have no damage;
d) Simulate the working state to manipulate the entire line’s “emergency stop”
button (or switch) for 10 consecutive times, which shall be accurate and
trouble free;
e) Use a numerical control program to operate. At a moderate speed,
respectively perform positive and negative start, stop (or brake), work
feeding, rapid feeding to each coordinate axis for 10 times. The action
shall be flexible, accurate and reliable;
f) According to the design requirements, respectively test the functions such
as positioning of each coordinate axis, feeding coordinate overtravel
protection, coordinate position display, reference point return, manual
data input, programming, serial number indication and retrieval, program
pause, program elimination. The functions shall be reliable. The actions
shall be flexible and accurate;
g) Test the safety protective device. The function shall be reliable. The action
shall be accurate.
4.10.2 Requirements for continuous idle operation
The automatic line simulates the working state to perform the continuous idle
operation test of the entire line according to the designed beat (non-cutting state
with material). Its continuous operation time is not less than 48h. During the idle
operation process, each part shall work normally. The operation shall be stable.
All functions and performances shall be reliable and no faults occur. Otherwise,
it shall re-perform the continuous idle operation.
4.11 Working accuracy requirements
There are two assessment methods for automatic line’s working accuracy:
“direct assessment” and “process capability index assessment”. The
assessment method, assessment items and requirements of working accuracy
shall be determined by the manufacturer and the user through negotiation:
a) Working accuracy when using “direct assessment”: After the automatic
line completes the continuous machining of the specified number of parts
to be processed (not less than 50 pieces), inspect the confirmed
assessment items, which shall be meet the requirements;
b) Working accuracy when using “process capability index assessment”:
After the automatic line completes the continuous machining of the
specified number of parts to be processed (not less than 50 pieces),
that is fastened with anchor bolts shall not be re-adjusted during the inspection
process. Otherwise, it shall re-inspect the affected items after adjustment.
5.2.4 The inspection principle is to perform on the finished products. In special
cases, some parts can be disassembled according to the manufacturer's
instructions.
5.2.5 Since the automatic line is structurally limited or does not have the
specified test tool, it can be replaced by a method equivalent to the standard
one.
5.3 Entry inspection
Inspect whether the exit-factory documents (instruction manual, certificate of
conformity, packing list) of truss manipulator (or robot) in the CNC equipment
and the logistics unit in the automatic line meet the requirements of 4.1.
5.4 Parameter inspection (random inspection)
According to the parameters specified in the product instruction manual or
technical agreement, verify whether the parameters of the automatic line meet
the requirements of 4.2.
5.5 Layout and appearance inspection
Use visual inspection and pattern inspection methods to inspect whether the
layout and appearance of the automatic line meet the requirements of
4.3.1~4.3.6.
5.6 Performance and performance inspection
5.6.1 According to the process requirements, perform the interactive inspection
of the machined parts between the CNC equipment and the logistics unit to see
whether the results meet the requirements of 4.4.1.
5.6.2 According to the designed beats, carry out inspection of processing
equipment for each procedure of continuous idle operation of automatic line to
see whether the results meet the requirements of 4.4.2.
5.6.3 According to the control execution mode of automatic line control unit,
inspect the CNC equipment and the logistics unit to see whether the results
meet the requirements of 4.4.3.
5.6.4 During the continuous idle operation of automatic line, inspect the CNC
equipment and the logistics unit of the automatic line to see whether the results
meet the requirements of 4.4.4 and 4.4.5.
5.7 Inspection of electrical system
line’s chip evacuation and recovery of waste gas oil, waste oil and wastewater
generated during operation to see whether the results meet the requirements
of 4.8.10.
5.11 Processing and assembly quality inspection
5.11.1 Use visual inspection and/or pattern check mode to inspect the assembly
of automatic line, machined parts and welded parts of the logistics unit to see
whether the results meet the requirements of 4.9.1.
5.11.2 Use visual inspection and/or actual inspection mode to inspect parts of
the logistics unit such as gear, rack, guide bar, jaw to see whether the results
meet the requirements of 4.9.2.
5.11.3 Use visual inspection and/or pattern check mode to inspect the joint
surface of the logistics unit such as linear guide to see whether the results meet
the requirements of 4.9.3.
5.11.4 According to the visual i......
Related standard:   GB/T 31558-2015  GB/T 31560.1-2015
   
 
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