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GB 30458-2013: Safety requirement of plate bending machine
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Safety requirement of plate bending machine
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GB 30458-2013
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Basic data | Standard ID | GB 30458-2013 (GB30458-2013) | | Description (Translated English) | Safety requirement of plate bending machine | | Sector / Industry | National Standard | | Classification of Chinese Standard | J62 | | Classification of International Standard | 25.120.10 | | Word Count Estimation | 17,116 | | Quoted Standard | GB 2893; GB 2894; GB/T 3766; GB 5226.1; GB/T 7935; GB/T 8196; GB 12265.3; GB/T 14776; GB/T 15706.1; GB/T 15706.2; GB 16754; GB/T 16855.1-2008; GB/T 16856.1; GB 17120; GB 17888.2; GB 17888.3; GB 17888.4; GB 18209.2; GB/T 18831; GB/T 23281; JB 9971 | | Regulation (derived from) | National Standards Bulletin 2013 No. 27 | | 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 standard specifies the terms and definitions Bending security responsibilities, hazard identification and control, design and manufacturing, installation and commissioning, security, maintenance, and use requirements. This standard applies to Bending | GB 30458-2013: Safety requirement of plate bending machine---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.
Safety requirement of plate bending machine
ICS 25.120.10
J62
National Standards of People's Republic of China
Bending Safety requirements
Issued on. 2013-12-31
2015-01-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
The standard Chapter 1, Chapter 2, Section 3, Appendix A and Appendix B 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 is drafted by. Changzhi Iron and Steel (Group) Forging Machinery Manufacturing Co., Tai'an, Shandong Forging Machine Co., Ltd., Foshan
City of South China Sea ACL Machine Co., Ltd., Anhui Pacific Heavy Machinery Co., Ltd., Nantong Machinery Co., Ltd. Ott.
The main drafters of this standard. Xingwei Rong, Tian Yan new, Zhou Jianjun, Zhang Taiyou, Chen Jinsheng, former strengthened, Li Jianying.
Bending Safety requirements
1 Scope
This standard specifies the terms and definitions Bending security, responsibility, dangerous identification and control, design and manufacture, installation and commissioning, security
Full protection, maintenance and use requirements.
This standard applies to coiling machine.
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 2893 Safety colors
GB 2894 Safety Signs and use guidelines
GB/T 3766 Hydraulic System General technical conditions
GB 5226.1 mechanical and electrical safety of machinery - Electrical equipment - Part 1. General requirements
GB/T 7935 General technical conditions for hydraulic components
GB/T 8196 mechanical safety devices fixed and movable guards General requirements for the design and manufacture
GB 12265.3 Safety of machinery to avoid crushing of parts of the human body minimum spacing
GB/T 14776 Ergonomic design principles job size and value
GB/T 15706.1 Safety of machinery - Basic concepts, general principles for design - Part 1. Basic terminology, methodology
GB/T 15706.2 Safety of machinery - Basic concepts, general principles for design - Part 2. Technical principles
GB 16754 Safety of machinery - Emergency stop design principles
GB/T 16855.1-2008 Safety of machinery - Safety-related control system components - Part 1. General principles for design
GB/T 16856.1 Safety of machinery - Risk assessment - Part 1. Principles
GB 17120 Metalforming machinery - Safety requirements
GB 17888.2 Safety of machinery stationary facilities - Part 2. Working platforms and gangways
GB 17888.3 Safety of machinery stationary facilities - Part 3. Stairs, steps and guardrails
GB 17888.4 Safety of machinery stationary facilities - Part 4. Fixed ladders
GB 18209.2 mechanical safety signs and operations - Part 2. Requirements for marking
Device design and selection principles interlock GB/T 18831 mechanical belt guards
GB/T 23281 Forging Machinery noise level measurement method
JB9971 bending machine, three roller coiling machine noise limits
3 Terms and Definitions
GB/T 15706.1 defined and the following terms and definitions apply to this document.
3.1
Bend bending
At some point put pressure plate, and the work roll rotation, the sheet material folded or rolled into a certain arc angle.
3.2
Bending platebendingmachine
Use of displacement and rotational movement of the work rolls, the work rolls so sandwiched between the flat plate to produce a continuous bending deformation, which can be
Or more processing into the same curvature as the radius of curvature of the arc-shaped or cylindrical workpieces machine.
3.3
Mold bendingformdie
Special type of mold used on the rolling machine for a specific volume profiles made of the same or different curvatures of the arcuate curvature of the workpiece.
3.4
Work roll rol
Sheet for traction devices designed shape.
3.5
Emergency emergencystop
This feature should be able to.
--- Prevent or reduce the risk of taking place in the presence of personnel of the machinery or work in progress of the damage;
--- Triggered by a single action.
NOTE. GB 16754 gives detailed provisions.
3.6
Security guard safeguard
Guards or protection devices.
3.7
Guard guard
An integral part of the machine, for providing a physical barrier protection.
Note 1. The guard can.
---Use alone. For active protective device only when it is "closed" when valid for fixed guards, only when it is in the "lock
Position "to be effective.
--- And with or without guard locking interlock device used in combination. In this case, no matter what position the protective device is able to play a protective
effect.
Note 2. By design, the guard may be called casing, cover, cover, screen, door and closed-end devices.
Note 3. The type of protective equipment and its requirements see GB/T 15706.2-2007 and 5.3.2 in GB/T 8196.
3.8
Protection protectivedevice
Outside guard safety device.
3.9
Fixed guards fixedguard
In a certain way (such as the use of screws, nuts, welding) fixed, can only use the tools or the destruction of their way to open a fixed or removable
Protection.
3.10
Movable guards movableguard
Do not use tools to be able to open the protective device.
3.11
Adjustable guards adjustableguard
Whole or in part adjustable fixed or movable guards. During a particular operation, adjustment member remains fixed.
3.12
Interlocking guard interlockingguard
And guard interlock device, in conjunction with the machine control system together with the following functions.
--- Before the guard is closed, the "suppression" of the dangerous machine function can not be executed;
--- Dangerous machine functions run, if the guard opened, a stop command is issued;
--- After the guard is closed, the guard "inhibit" dangerous machine functions can be run protection device itself will not start to close
Fixed dangerous machine functions.
Note. GB/T 18831 gives detailed provisions.
3.13
Dangerous hazard
Potential source of harm.
Note 1. The nature of the "danger" of the term may be used by the origin (for example, mechanical hazards and electrical hazards), or the potential harm (eg electric shock hazard, cutting hazard, etc.) into
Line Limited.
Note 2. The definition of hazards include.
--- During the machine's intended use, the ever-present danger (for example, the motion of hazardous moving parts, generated during the welding arc, unhealthy
Posture, noise emission, etc.);
--- Unexpected danger (for example, the risk of accidental activation squeeze caused by the leakage caused by the injection, acceleration/deceleration caused by the fall).
3.14
Danger zone hazardzone/dangerzone
So that personnel exposed to dangerous machinery and internal (or) any space around it.
3.15
Jogging jog
Man the machine for intermittent motion. When the operation button machine action to stop the operation when the button is released.
3.16
Repair maintenance
So that a failure has occurred in the machine back to the original function or work process performance.
3.17
Reconstruction modification
Bending to change the original production for the purpose, function, production capacity, procedures or security requirements.
3.18
Bite point bitingpoint
It refers to any means of rotating member between the other device or material and squeeze the bite site.
3.19
Security measures safetyprotectivemeasures
By design, installation of safety devices, development of safety standards and security alerts and other procedures, in order to avoid the risk of the occurrence.
3.20
Workpiece workpiece
Bending roll-formed material after the description.
3.21
Warning warning
To draw attention to danger or method of operation.
3.22
Warning signs warningsymbol
By means of physical signs warning about personnel in danger.
3.23
Warning device warningdevice
Hazardous Installations by sound or light signal warning.
3.24
Intrinsically safe design measures inherentlysafedesignmeasure
By changing the design of the machine or machine operating characteristics, instead of using guards or protective devices to eliminate or reduce the danger associated with dangerous
Protection risks.
Note. GB/T 15706.2-2007 Chapter 4 discusses the risk of reduced machine by intrinsically safe design.
3.25
Security safeguarding
Use safety guards protect personnel measures. These protective measures Keep people away from the danger that can not be reasonably eliminated or by
Inherently safe design methods can not adequately reduce the risks.
4 responsibility
4.1 manufacturer
4.1.1 shall be Chapter 5, Section 6, Chapter 7 and Chapter 8 requirements, bear in coiling danger identified, product design, installation and safety
Responsibility of the whole protection area. Bending suppliers, renovation and maintenance shall also bear the responsibility for security.
4.1.2 hazard identification should be responsible for coiling and should be in accordance with the guidance of 5.1 to identify the original purchaser of the crisis in the Instruction Manual
Insurance source.
4.1.3 should follow the GB/T 15706.2 and GB/T 16855.1 intrinsically safe design principles, design by eliminating the danger. When not pass
Designed to eliminate the danger, it should provide a safety device to avoid dangerous.
4.1.4 in the product manual should clearly Bending safety precautions in the installation, commissioning, operation, repair and maintenance, etc., and
Capable of directing the user to develop appropriate safety regulations in order to prevent dangerous.
Bending improvements made to 4.1.5 of the specification should be noted and explained the safety precautions Bending improved.
4.1.6 Bending the rules should indicate in the product manual, and should be able to guide the user to the coiling machine lubrication, adjustment and
Routine maintenance work.
4.1.7 should provide the necessary security alerts to users. Bending the movable member such as safety colors should be painted, electrical cabinets set the security signs.
4.2 Users
4.2.1 Bending shall ensure personal security environment, the equipment installation and any modification shall be provided in accordance with the manufacturer's technical file
Members and Chapter 5, Chapter 6 requirements, Chapter 7, Chapter 8, Chapter 9 will be.
4.2.2 shall be in accordance with the provisions of 5.1 Bending confirmed in the course of danger.
4.2.3 to avoid or eliminate the risk of rolling machine in use and maintenance of the process in accordance with the provisions of 5.2. Security should be set in accordance with the requirements of Chapter 8
Full protective devices to ensure safe use.
4.2.4 inspection and maintenance process of the machine should ensure that their components and safety devices active.
4.2.5 Bending Machine operators, installers and associated personnel safety procedures should be performed in accordance with the requirements of the specification and use of Chapter 9.
4.2.6 Maintenance and operators should be trained. Especially relevant personnel should be trained in the danger zone and the following situations.
--- Machine work position;
--- Replacement of mold; such as rolling tapered workpiece means, profiles and other auxiliary bending mold;
--- Restrictions on non-contact electrical professionals or power transmission equipment;
--- Moving parts.
4.2.7 shall be equipped with adequate security and protection products, and training of personnel.
4.2.8 should take effective measures to avoid the maintenance, use, process or adjust the start of Bending may cause personal injury.
5 hazard identification and control
5.1 Hazard Identification
5.1.1 General
Press the risk assessment principles GB/T 16856.1 specified, this document sets out the dangers associated with coiling, but not necessarily contain all the danger
risk. Related parties should be GB/T 16856.1, combined with the specific situation to identify all foreseeable hazards.
5.1.2 use, adjustment and maintenance
Bending should be identified in the use, adjustment and maintenance work predictability hazards, such as.
--- Raw feed;
--- Raw materials and work roll bite between points;
--- Mold mounting/replacement;
---Adjustment;
--- Programming errors or failing to change Bending original function or performance;
--- Clean coiling machine;
--- In automatic operation function usage job site observation;
--- On the rolling machine to detect the workpiece;
--- Remove the workpiece from the rolling machine;
--- Not firmly angle bolt stress test under the conditions.
5.1.3 Run
Predictability should recognize the danger associated with coiling during operation. These hazards include.
--- Non-normal operation; coiling as overload, failure to use the procedures specified in the instructions rolling machine;
--- Normal operation; bite-point between the plate and the work roll, staff error information exchange, thermal radiation (warm or hot roll volumes);
--- System errors and abnormal conditions; control system information loss/interference, non-normal information transfer;
--- Energy does not meet the requirements.
5.1.4 Interference
Predictability should identify hazards associated with various disturbances related. These hazards include.
--- Electrical interference;
--- Mechanical disturbance (shock, vibration).
5.1.5 Design and Manufacturing
Design and manufacture of dangerous predictability should identify Bending related. These hazards include.
--- Moving parts of power transmission facilities exposed;
--- Work roll, rack or carrier element breakage;
--- Work roll displacement limit position;
--- Fasteners loose or broken;
--- Pipelines, fuel tanks, storage and other components due to stress caused by the rupture;
--- Heat radiation (temperature hot roll or volumes);
--- Mechanical disturbance (shock, vibration);
--- Electrical interference;
--- Posing a control component failure.
5.1.6 Installation and Startup
Predictability should identify hazards associated with the coiling machine installation. Which comprises.
--- Inappropriate basis;
--- Improper installation;
---Hoisting;
---Adjustment;
--- Safety work the danger zone;
--- Before the guard is not installed hazardous moving;
---Work area;
--- Use of ladders, scaffolding.
5.1.7 Human Factors
Predictability should identify hazards associated with human factors. Which comprises.
--- Not to implement the provisions of the work program;
--- Guardrail or protective device error installation or removal;
--- Use or wrong use of personal protective equipment;
Failure to maintain a safe distance from the machine when --- operation;
--- Climbing equipment.
5.1.8 Maintenance
Predictability should identify hazards associated with the coiling machine maintenance. Which comprises.
--- Failure to implement proper power-off procedures;
--- When the actual operation and maintenance;
--- When the machine maintenance, remove the safety protection fence, guard or point of operation;
--- Fence, protective cover improper position change;
--- Use of ladders, scaffolding and the like;
--- Non-standard cleaning procedures.
5.1.9 Other
--- Coiling around the work environment;
--- Fire.
5.2 hazard control
5.2.1 eliminate dangerous
Bending should be consistent with the principle of inherently safe design, the design by eliminating the danger. Intrinsically safe design should be consistent with GB/T 15706.1,
GB/T 15706.2 requirements.
5.2.2 Security guards
Can not be designed to eliminate the danger, it should be through the use of security guards to control hazards, 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
5.2.4.1 When security measures can not avoid danger, hazard warning should be provided.
5.2.4.2 The manufacturer shall provide added security for not moving parts hazard warning, warning signs should be set eye-catching, see Appendix A.
5.2.4.3 safety instructions and signs should be consistent with the provisions of GB 2893, GB 2894 and GB 18209.2 of.
6 Design and Manufacturing
6.1 Basic requirements
Design and manufacture 6.1.1 Bending should be consistent with GB 17120 and provisions of this standard.
6.1.2 Bending easy contact portion and member shall not result in personal injury sharp corners, sharp edges, sharp edges, so as not to cause hurt or stabbed
Danger.
6.1.3 Bending should be to ensure effective work roll balance device can be poured down the side of the bearing body, remove cylinder volume workpieces made. Such as
If using the work roll when the lift structure should be used to control and limit and control system interlock to prevent accidents.
Main transmission section 6.1.4 Bending braking device shall be provided to prevent unexpected and can not quickly stop the machine running.
6.1.5 When both ends of the work rolls can lift alone, should be taken to control or mechanical control programs to limit the amount of tilt of its work rolls.
6.1.6 Bending operator should be able to guarantee the safety of site personnel, or should be set up to monitor the safety and displayed in the appropriate parts of the machine
Means.
6.2 Control mode
6.2.1 should be set up jogging. In jog mode, when operating the function button, the function is activated beginning; when the operation is stopped, move the function
As it should stop immediately.
6.2.2 should be set to single-action function. In the single-action mode, when operating the function button, the function is activated continuous operation; when the operation stop button
When the function is activated should stop immediately.
6.2.3 CNC bending machine control system should be able to set up automatic control functions. In automatic mode, when the operation start button, coiling
You should be able to run the program is automatically entered.
6.3 Electrical System
Design and manufacture of electrical systems shall comply with the provisions of GB 5226.1; control system design security components not less than
GB/T 16855.1-2008 6.2 Class 1 regulations.
6.4 Hydraulic System
6.4.1 Bending design and manufacture of hydraulic systems should comply with GB/T 3766's.
6.4.2 When the hydraulic system pressure exceeds the safe operating limits Bending particular, coiling into the system should stop or protection.
6.4.3 Design of hydraulic cylinders and other hydraulic components, manufacturing and selection should be consistent with the provisions of GB/T 7935's.
6.4.4 should be set to filter hydraulic system to exclude contaminants system.
6.4.5 Hydraulic oil and filters should be replaced regularly. Replacement frequency and associated requirements detailed provisions should be made in the product description.
6.4.6 The maximum working pressure of the hydraulic system must not exceed the rated working pressure for any hydraulic system components.
Intermittent power fluctuations or 6.5
Any power fluctuations or interruptions should not be dangerous.
6.6 Energy Storage
The release of stored energy can not be dangerous. Such as. fluid pressure, such as capacitors. The method of sustained or controlled release of stored energy should be avoided
Free dangers that may arise. Such as.
--- Relief;
--- Dynamic braking;
--- Mechanical brake;
--- Power program.
6.7 Interference
External interference or control from the power system can not be dangerous. Such as.
--- Electromagnetic interference;
--- Electrostatic discharge;
--- Radio wave interference;
--- Vibration/shock.
6.8 Reliability
When the control system electrical components or hydraulic component failure can not be dangerous.
6.9 installation machine
Bending installation should be strictly enforced safety rules, and to ensure the safety Bending installation environment.
6.10 emergency stop function
Stop control system design should be consistent with the provisions of GB 16754, and shall not affect the normal braking and generation can not stop accidents
run.
6.11 console
Bending the console should be set to the job site easy to observe the position, the control system should be designed to ensure that only independent control by one person.
When providing more than one operating control position shall be interlock between the console and should be set to control the emergency stop switch.
6.12 manual
6.12.1 manually operated control devices shall be designed in line with GB/T 14776 requirements of. Bending feeding station and a working height should meet
Ergonomics design principles together, the operation panel should be set to facilitate the operator to observe.
Handwheel and operating force of the handle 6.12.2 Bending shall not be greater than 90N.
6.12.3 should take the following way to limit unauthorized personnel Bending.
--- Setting locks;
--- Use the key card;
--- Lockable selector switch;
--- Set a password and access instructions.
6.12.4 Bending interlock control system should function. In the case of a control action, there should be no action occurs unrelated to
To avoid the risk of action.
6.12.5 Bending stop control devices should be installed in easy reach of the operator and non-hazardous area, the device should be red, and clear
Callout.
6.12.6 Bending emergency stop button should be installed in easy reach of the operator and non-hazardous areas. When the cable or rope is used as an emergency stop
When the apparatus should be clearly marked (as with flagpole identification), and shall indicate the minimum clearance between the rope and the components of the machine and turn on the emergency stop function
The force required. Emergency stop devices recommend the following types.
--- Mushroom head button;
--- Rope, rope;
--- Pedal.
6.12.7 Bending jog with single-action switching button should be easy to operate, and has clearly marked. Jog operation by means of the control button when not
In other tools.
6.12.8 Bending the single-acting control should be selected with a protective ring or cover plate button to avoid misuse caused danger.
6.13 indicator
Bending should be set as required for visual and audible indicator, display or monitor. For easy operation of all-round observation Bending ring
Habitat work site and can use video surveillance apparatus.
All indicators should be installed in the operator easy to observe and no dangerous place, color warning lights shall comply with the technical documentation.
6.14 Noise
Bending noise shall comply with the provisions of JB9971, measurement methods should be consistent with the provisions of GB/T 23281 of.
6.15-safe colors
(Except for the work rolls) Bending exposed moving parts can be painted safety colors and shall comply with the provisions of GB 2893.
7 Installation and commissioning
7.1 Basic requirements
Installation and commissioning should be consistent with the provisions of this standard and shall comply with the manufacturer in the product specification requirements.
7.2 Layout
Bending layout should ensure that the operator's operating space, to facilitate the operation of the machine, materials handling and loading and unloading of machines and convenience
Maintenance.
7.3 installed base
Bending should be installed on the ground hardened, its foundation should be sufficient to load Bending various dynamic and static load.
7.4 Electrical System
Bending installation of electrical systems shall comply with the requirements of the product specification GB 5226.1 and fabricator.
7.5 Lighting
Users should install lighting facilities to ensure the safety of operators, handheld lighting voltage shall not exceed 36V.
7.6 Debugging
7.6.1 User program product shall be specified in the instructions Bending debugging.
7.6.2 Bending debugging should work through operational and safety training, the training should be carried out with reference to the content of Appendix B.
7.6.3 During commissioning, should enable the security guards. When the security guard is not installed, it should take other safety measures, such as increasing
Set up a temporary fence and warning signs, perform safe work procedures.
8 Security
8.1 Basic requirements
Identified as dangerous, rolling machine manufacturers and users should determine a reasonable security measures. When there is danger, should be taken
One or more of the following measures to ensure the safety of...
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