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GB 28244-2012: Automatic metal forming machinery -- Safety requirements
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Basic data
Standard ID: GB 28244-2012 (GB28244-2012)
Description (Translated English): Automatic metal forming machinery -- Safety requirements
Sector / Industry: National Standard
Classification of Chinese Standard: J62
Classification of International Standard: 25.120.10
Word Count Estimation: 19,190
Quoted Standard: GB 150.1; GB 150.2; GB 150.3; GB 150.4; GB 2894; GB/T 3766-2001; GB 4584; GB 5092; GB 5226.1-2008; GB/T 7932-2003; GB/T 8196; GB/T 9969; GB/T 15706.1-2007; GB/T 15706.2; GB 16754; GB/T 16856.1; GB 17120; GB 17888.1; GB 17888.2; GB 17888.3; GB 17888.4; GB
Regulation (derived from): Announcement of Newly Approved National Standards No. 1 of 2012
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This Chinese standard specifies the automatic forging machine safety requirements. This standard applies to automatic forging machines, including various types of cold heading machine and cold forming machines, such as: automatic cold heading machine, bal
GB 28244-2012: Automatic metal forming machinery -- Safety requirements
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Automatic metalforming machinery.Safety requirements
ICS 25.120.10
J62
National Standards of People's Republic of China
Automatic forging machines - Safety requirements
Issued on. 2012-03-09
2013-01-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Table of Contents
Preface Ⅰ
1 Scope 1
2 Normative references 1
3 Terms and definitions 2
4 4 responsibility
5 5 danger and hazard control
6 6 design and manufacturing
7 layout, installation, testing and start-up 10
8 Security 11
9 maintenance and use 13
Foreword
Chapter 3 of this standard are recommended, the rest are mandatory.
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
The standard proposed by China Machinery Industry Federation.
This standard by the National Forging Machinery Standardization Technical Committee (SAC/TC220) centralized.
This standard was drafted. Shengzhou Golden Lion Spring Machinery Co., Ltd., Ningbo Si Jin Machinery Co., Ltd., Zhejiang Metalforming Machinery Group Co.,
The company, Qingdao Machinery Plant Health Jian, Qiqihar Machine Tool Group Co., Ltd.
The main drafters of this standard. Li Hongliang, AND CULTURE Zheng steel, building, Huangqiao.
Automatic forging machines - Safety requirements
1 Scope
This standard specifies the technical requirements for safety Automatic forging machines.
This standard applies to automatic forging machines (hereinafter referred to as the machine), including various types of cold heading machine and cold forming machines, such as. automatic cold heading machine, ball, roller
Column cold heading machine, cold heading machine nut, bolt joint automatic machines, automatic trimming machine, automatic thread rolling machine, rolling machine, rolling mill, nail-making machine, coiling machine, spring
Spring washer machine, automatic bending machines and multi-station cold forming machines.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB 150.1 pressure vessels - Part 1. General requirements
GB 150.2 pressure vessels - Part 2. Materials
GB 150.3 pressure vessels - Part 3. Design
GB 150.4 Pressure Vessels Part 4. fabrication, inspection and acceptance
GB 2894 Safety Signs and use guidelines
GB/T 3766-2001 Hydraulic System General technical conditions (ISO 4413.1998)
GB 4584 presses photoelectric protection device technology
GB 5092 press induction type safety device technology
GB 5226.1-2008 Safety of machinery - Electrical machinery and electrical equipment - Part 1. General requirements (IEC 60204-1.2005)
GB/T 7932-2003 Pneumatic system General technical conditions (ISO 4414.1998)
GB/T 8196 mechanical safety devices fixed and movable guards design and manufacture of general requirements (ISO 14120)
GB/T 9969 General Instructions industrial products
GB/T 15706.1-2007 Safety of machinery - Basic concepts, general principles for design - Part 1. Basic terminology, methodology (ISO 12100-
1.2003)
GB/T 15706.2 Safety of machinery - Basic concepts, general principles for design - Part 2. Technical principles (ISO 12100-2)
GB 16754 Safety of machinery - Emergency stop design principles (ISO 13850)
GB/T 16856.1 Safety of machinery - Risk assessment - Part 1. Principles (ISO 14121-1)
GB 17120 Metalforming machinery - Safety requirements
GB 17888.1 Safety of machinery stationary facilities - Part 1. Choice of fixed means of access between two planes
(ISO 14122-1)
GB 17888.2 Safety of machinery stationary facilities - Part 2. Working platforms and channels (ISO 14122-2)
GB 17888.3 Safety of machinery stationary facilities - Part 3. Stairs, steps and guardrails (ISO 14122-3)
GB 17888.4 Safety of machinery stationary facilities - Part 4. Fixed ladders (ISO 14122-4)
GB 18209.2 Electrical safety of machinery - Indication, marking and operation - Part 2. Requirements for marking (IEC 61310-2)
GB/T 18569.1 Safety of machinery decreased from hazardous substances emitted by machinery health risk - Part 1. mechanical system for
Manufacturer of the principles and norms (ISO 14123-1)
GB/T 18831 mechanical interlock design belt guard and selection principles (ISO 14119 Amd.1)
GB/T 19671 Safety of machinery - hand control devices - Functional aspects and design principles (ISO 13851)
GB/T 24342 Industrial machinery and electrical equipment protective earthing circuit continuity test specification
JB9972 rolling machine, coiling machine, Nail machine noise limits
JB9975 automatic upsetting machine, automatic trimming machine, automatic thread rolling machine, automatic bending machine noise limits
3 Terms and Definitions
GB/T 15706.1 defined and the following terms and definitions apply to this document.
3.1
Warning fence awarenessbarrier
By touching an object approaching or entering a device warning danger zone personnel.
3.2
Warning signal (means) awarenesssignal (device)
A device or signal, via an audible sound or visual light entering or approaching the danger zone warning.
3.3
Brakes brake
A stop, slow down or prevent the operation of institutions.
3.4
Automatic forging machines automaticmetalformingmachinery
It can automatically complete the work cycle, and can automatically feed stock and output products, forging machinery.
3.5
Cold upsetting coldheader
The wire forming upsetting automatic forging machines.
3.6
Cold forming machine coldfomer
Cold or warm forming process of Automatic forging machines.
3.7
Cold coldworking
It refers to the plastic deformation of metallic materials without the preheating conditions.
3.8
Die die (s)
With mold on the machine, or other materials for metal cutting, stamping, molding, extrusion, cutting, forging and so on.
3.9
Mold base dieblock
Mounted on the body for supporting the mold.
3.10
Start control apparatus startupcontroldevice
The operator starts the machine control unit in accordance with a preselected manner.
3.11
Extrusion extruding
By metal or other material placed in the mold, wherein changing its shape to obtain a desired processing shape.
3.12
Guard guard
Prevent access to the operating area or other protective barrier danger zone is an integral part of the machine.
[GB/T 15706.1-2007, the definition 3.25]
3.13
Hand tools handfeedingtool
In operation the danger zone for placing or removing material, workpiece hand tools.
3.14
Dangerous hazard
Potential source of harm.
[GB/T 15706.1-2007, the definition 3.6]
3.15
Jogging jog
Giving mobile instant.
3.16
Clamping point pinchpoint
Running part of the machine and its associated equipment or machinery and equipment exposed to hazardous area, not including the operating point.
3.17
Operating area pointofoperation
Raw materials or machinery placed billets were machined area.
3.18
Sensing device presencesensingdevice
Induced generation region to monitor the operator's hand or other body parts and can promptly send a signal to the control system.
3.19
Slider ram
Machines were the main components of the reciprocating movement.
3.20
Risk risk
The probability of occurrence of injury and injury severity synthesis.
[GB/T 15706.1-2007, the definition 3.11]
3.21
Run run
Machine continuous operation or continuous stroke.
3.22
Security safeguarding
Protective equipment, safety devices or safety procedures to avoid measures casualties.
3.23
Security block (device) block (device)
When the machine mold adjustment or maintenance on the slider and the die holder or an intermediate stage, to prevent accidental movement of the slider device.
3.24
Adjust the set-up
Adjust the machine normal operation of the process, in order to ensure safe operation of upsetting machine.
3.25
Single cycle singlecycle
Single stroke singlestroke
A slide from the starting position after returning to work until the whole process of the original location.
3.26
Stop control means stopcontrol
Stop machine motion control device for a danger.
3.27
Plate lever turnoverbar
For manually rotating the flywheel or crank rod.
3.28
Danger zone dangerzone
So that personnel exposed to dangerous machinery any space within and/or around.
[GB/T 15706.1-2007, the definition 3.10]
3.29
Protection safetydevice
Outside guard safety device.
[GB/T 15706.1-2007, the definition 3.26]
4 responsibility
4.1 Supplier Responsibility
4.1.1 The supplier shall, paragraph 6 and Chapter 8 of the design and manufacture of the machine in accordance with Chapter 5.
4.1.2 The Supplier shall identify hazards that exist (see 5.1).
4.1.3 The Supplier shall eliminate the danger or hazard prevention methods (see 5.2).
4.1.4 The supplier shall provide installation, commissioning, maintenance, use, safety and maintenance documentation.
4.1.5 modification or remanufactured machinery or supplies related equipment modification or remanufactured provide documentation, including the modification or remanufactured
New or revised technical paper machine installation, inspection, testing, maintenance, use, security protection.
4.1.6 Each new machine should provide instructions.
4.1.7 All new machines should repair instructions or manuals; reconstruction should provide documentation for reconstruction. Maintenance instructions or manuals should include at least
The following information.
--- All control functions and positions;
--- Power and ram stroke;
---lubricating;
--- Electrical, hydraulic, pneumatic and lubrication systems;
--- Maintenance period;
--- Safe introduction.
4.1.8 Each machine should have one or more suitable safety guards.
4.2 User responsibility
4.2.1 Users should check the machine and its auxiliary equipment provided by suppliers to ensure that it complies with Chapter 5, Chapter 7, Chapter 8 and Chapter 9
Claim.
4.2.2 Users should ensure compliance with the following requirements.
Danger --- machine work exists identified (see 5.1);
--- Security should be able to eliminate, control or avoid the risk has been identified, use and maintenance shall comply with the provisions of Chapter 8;
--- Shall establish procedures for inspection and maintenance of the machine to ensure that components (such as starter interlock switches, etc.) and security guards in a safe
Operating status;
--- Establish a working diary system, and shall comply with the provisions of the instruction manual.
4.2.3 The user should ensure commissioning and maintenance personnel, operators trained to train at least the following.
--- All control functions and positions;
--- Installation, removal and safe method of adjustment of the mold;
--- The location of all emergency stop devices;
--- All positions protective devices and protective equipment, installation and adjustment of methods and procedures for safe use;
--- The standards and related safety procedures;
--- The proper use of all safety guards;
--- Not allowed to change, remove, adjust safety devices to below the requirements of this standard;
--- Without permission not allowed to change, remove, destroy any security guards;
--- Safety inspection methods and frequency of checks;
--- Exposure to the dangerous state of the danger zone and person-related;
--- Operating dangerous parts related to the state;
--- By the fixed component, clamp, mold switching mechanism, the workpiece conversion mechanism and protection devices produce clamping point.
4.2.4 users should provide the operating area and ensure the safety guards.
4.3 The operator's liability
The operator shall comply with the safety rules.
5 danger and hazard control
5.1 Dangerous
5.1.1 Risk Assessment
Shall GB/T 15706.1 and GB/T 16856.1 provisions risk assessment.
5.1.2 foreseeable misuse
When the hazard identification for the foreseeable risk of misuse generated (including the use of the machine, adjustment, cleaning and maintenance) should be analyzed.
5.1.3 hazard class
The machine should be considered endangered species see GB/T 15706.1-2007 Chapter 4.
5.2 hazard control
5.2.1 eliminate dangerous
The machine should be in line with the principle of inherently safe design, the design by eliminating the danger. Intrinsically safe design should be consistent with GB/T 15706.1 and
GB/T 15706.2 requirements.
5.2.2 Security guards
Can not be designed to eliminate the danger, security measures should be taken, and shall comply with the provisions of Chapter 8.
5.2.3 safe work practices
Not suitable for safety guards to prevent danger, should develop safe work practices to prevent danger generation.
5.2.4 Warning
When security measures can not effectively avoid the risk, the supplier shall not provide for added security (machine) safety signs member. use
Households shall adopt safety procedures, staff training and other warning operators. Safety signs shall comply with the provisions of GB 2894 and GB 18209.2.
6 design and manufacturing
6.1 General Requirements
6.1.1 design and manufacturing
Design and manufacture of the machine should meet the requirements of GB 17120.
6.1.2 against rotation
Loose parts on the machine easy to use bolts, wedge connections and connections to other parts, should be taken reliably against rotation.
6.1.3 Installation of the spring
The spring should be installed so that it will not fly at work, assembly and disassembly.
6.1.4 jigger
With plate rod or other institutions disk driver should adopt reliable security measures.
6.1.5 heavier parts
Parts for heavy lifting should be equipped with hangers or holes.
6.1.6 Security plug means
When the operator needs to enter between the slider and the die holder for maintenance or adjustment, the circuit should be able to start the motor and interlock safety bolt
Means.
6.1.7 Insurance agencies
Insurance agencies on the machine should be reliable and sensitive. When the insurance agencies work, should be prevented from being damaged parts flying out of wounding, and the machine stops
Stop running.
6.1.8 Lubrication
With pressure lubrication should ensure proper lubrication. Lubrication points should sign.
6.1.9 Ergonomics
Shall comply with the principles of ergonomic efficiency.
6.1.10 materials and other dangerous substances
Materials and other substances should not be dangerous. Design, manufacture allowed use may cause material harm to human health, such as asbestos.
Measures should be taken to prevent harm to human health to achieve the formation of gas concentration, which should be consistent with the design and manufacture GB/T 18569.1 of the relevant provisions.
6.1.11 Instructions
Instructions should be consistent with GB/T 9969 and GB 17120 requirements.
6.2 Control System
Control system should stop device.
6.3 Operating mode
6.3.1 Operating mode continuous operation
When you start continuous operation mode, it should be able to complete a series of features machined parts and rework cycle, without human intervention plus replacement
Workers parts.
6.3.2 Jog operation mode
Jog mode of operation, can move the control drive, jog control when releasing the drive means should stop immediately. Jog control should be able to prevent
Stop accidental operation. In jog mode, all upsetting shaping function should be operated by the operator to start. Jog mode should be forward and back
Select the reverse mode.
6.4 Electrical Equipment
6.4.1 General requirements
Electrical equipment should meet the requirements of GB 5226.1.
6.4.2 dangerous shock hazard and accident
It should prevent shock hazard and accident hazards.
6.4.3 conductive cable
Conductive cable should be connected reliably. Conductive area of the conductive cables and connections to the bearer of the current match and to ensure good electrical conductivity.
6.4.4 protective earthing circuit continuity
Protective earthing circuit continuity should be consistent with GB 5226.1-2008 provisions in 18.2, according to inspection GB/T 24342 performed.
6.4.5 Insulation
Automatic forging machines and electrical connections should be reliable insulation. Insulation resistance test shall comply with the provisions of 18.3 GB 5226.1-2008.
6.4.6 Pressure test
Pressure test shall comply with the provisions of 18.4 GB 5226.1-2008.
6.4.7 Function
Function Electrical equipment should meet the requirements of the machine. Its test shall comply with the provisions of GB 5226.1-2008 in 18.6.
6.4.8 Selector Switch
Be a little action, a continuous mode of operation, etc. (job specification) selector switch.
6.5 pneumatic and hydraulic systems
6.5.1 General requirements
Pneumatic system should be consistent with GB/T 7932-2003 requirements in 4.3. Hydraulic system should be consistent with GB/T 3766-2001 in 4.3
Claim.
6.5.2 stopped working
Working pressure of the machine should be kept within a predetermined range, when the pressure is less than or greater than a predetermined pressure, the machine should be able to automatically stop
jobs.
6.5.3 Pressure supply interruption
It shall be provided at run time pressure supply disruptions and safely eliminate protections storage pressure.
6.5.4 filtration and separation
It should provide filtration and separation measures.
6.5.5 Compatibility
Liquid or gaseous working medium should be compatible with the device, so that the machine can be safe and reliable operation.
6.5.6 hydraulic, pneumatic and air storage reservoir
Hydraulic, pneumatic and air storage reservoir should be consistent with the provisions of GB 150.1 ~ 150.4. It shall be provided to prevent the discharge pressure in the accumulator
When the machine caused by unexpected action measures.
6.5.7 Operating Pressure
Hydraulic, pneumatic system pressure should not exceed the rated maximum rated pressure of any system component.
6.6 power fluctuation or interruption
Fluctuations in the external power supply and interruptions should.
--- Not lead to hazardous;
--- Immediately stop dangerous situation.
When power is restored the machine should not start automatically.
6.7 Energy Storage
Since the release of stored energy can not but lead to the risk of power interruptions, such as pneumatic or hydraulic pressure, gravity, resilient, balancer, flywheel.
Measures should be interrupted connection or control the release of stored energy.
6.8 external interference
When designing the control system and power supply system should ensure that external interference can not affect the normal operation of the machine.
6.9 failsafe control element (reliability)
Electrical system is equipped with a programmable control system when a component failure the machine safety control should be normal and reliable work. When the system
After the failure, when energized can not be restarted.
Start the machine 6.10
The machine should be driven to the selected operating mode button [such as running (continuous), before the movement of the point after point trend] to activate. The machine should be installed
Outside the hazardous area to control the station.
6.11 stop function
6.11.1 General requirements
6.11.1.1 Each machine should stop button, which should be able to stop all dangerous movement, and should be consistent with GB 16754 of category 0 downtime
Provisions.
6.11.1.2 0 category stop function takes precedence over all other stop function.
6.11.1.3 sto......
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