JB 10228-2001 Technical conditions for safety protection of gear honing machines
Some standard content:
ICS25.060
J56
JB
Machinery Industry Standard of the People's Republic of China
JB10228-2001
Gear honing machine
Safety protection technology Conditions
Gear honing machines
-Safeguarding specification
Released on 2001-03-29
China Machinery Industry Federation
Released
2001 -07-01 Implementation
JB10228—2001
Foreword
Chapter 3 and 4.6.2 and 4.8.3.3 of this standard are recommended, and the rest are mandatory. This standard is based on GB 15706.1-1995 "General Principles of Basic Concepts and Design of Machinery Safety Part 1: Basic Terminology and Methodology" GB/T15706.2-1995 "General Principles of Basic Concepts and Design of Machinery Safety Part 2: Technical Principles and The source code of "Specification" is based on GB157601995 "General Technical Conditions for Safety Protection of Metal Cutting Machine Tools" and is formulated based on the working performance and structural characteristics of gear machines. It is a supplement and concreteness to GB15760. The standards supporting this standard are:
JB/T3885—1993
JB/T3885.1—1999
JB/T3885.21999
JB/T3885. 3-1999
Technical conditions of honing machine;
Gear honing machine parameters:
Gear machine series model spectrum:
Gear machine accuracy inspection.
This standard is proposed by the National Metal Cutting Machine Tool Standardization Technical Committee. This standard is under the jurisdiction of the Cylindrical Gear Machine Tool Branch of the National Metal Cutting Machine Tool Standardization Technical Committee. The units responsible for drafting this standard are: Nanjing Second Machine Tool Factory, Chongqing Machine Tool Factory, and Changjiang Machine Tool Factory. The main drafters of this standard: Yan Jianyan, Jiang Xiaoyan, Zhang Yujie, Zhu Wangquan, Jin Xiushui, Xu Shaohua, Lin Ting. 1Scope
Machinery Industry Standard of the People's Republic of China
Gear machines
Safety protection technical conditions
Gearhoning machines
Safeguardingspecification
This standard stipulates The main technical requirements, measures and assessments for the safety protection of gear honing machines are discussed. JB102282001
This standard applies to external gear honing machines, internal gear honing machines and exhausted rod honing honing machines with a maximum workpiece diameter of 125~800mm. 2 Referenced standards
The provisions contained in the following standards constitute provisions of this standard through reference in this standard. At the time of publication, the editions indicated were valid. All standards are subject to revision and parties using this standard should explore the possibility of using the latest version of the standard listed below. GB 2893—1982
GB2894—1996
GB/T 3167—1993
GB/T 31681993
GB/T 5226.11996
GB/T 6527.2 —1986
GB/T 65761986
GB 81961987
GB 81971987wwW.bzxz.Net
GB 12265.11997
GB12265.2—2000
GB 12265.3— 1997
GB/T15706.1—1995
GB/T15706.2—1995
GB15760—1995
GB/T 16769—1997
GB /T 171611997
JB/T8356.1—1996
JB/T 8356.21996
JB/T 98751999
JB/T10051-—1999
Safety Color
Safety signs
Metal cutting machine tool operating instructions visual symbols Digital control machine tool operating instructions visual symbols Industrial machinery and electrical equipment Part 1: General technical conditions Safety color usage guidelines
Machine tools Lubrication system
Safety requirements for mechanical equipment protective covers
Safety requirements for protective screens
Mechanical safety The safe distance to prevent upper limbs from touching the danger zone Mechanical safety The safety distance to prevent lower limbs from touching the danger zone Mechanical safety avoidance Minimum distance between various parts of the human body for extrusion. Basic concepts and general design principles of machine safety. Part 1: Basic terminology, methodology. Basic concepts and general principles of machine safety. Part 2: Technical principles and specifications. General technical conditions for safety protection of metal cutting machine tools. Metal cutting machine tools Noise sound pressure level measurement method Operating direction of machine tool control device
Technical conditions for machine tool packaging
Machine tool packaging box
Preparation of random technical documents for metal cutting machine tools General technical conditions for hydraulic systems of metal cutting machine tools Approved by China Machinery Industry Federation on 2001-03-29 and implemented on 2001-07-01
3 Danger of machine tools
3.1 Danger of machinery
JB10228—2001
3.1. 1 Improper layout of the machine tool is in an unstable state, and there is a risk of accidental overturning, falling or movement. 3.1.2 Sharp edges, corners, protrusions and openings on exposed parts of the machine tool may cause puncture or cutting hazards. 3.1.3 There may be a risk of magnetic collision when the tool rest slide plate moves. Reciprocating motion of the workbench may extend beyond the work area and cause a fall hazard. 3.1.4
3.1.5 Exposed rotating parts such as exchange gears and belt drives may cause the risk of being entangled and entangled when they are in operation. 3.1.6 The exposed guide rail surface without protective devices may cause damage to the machine tool. Possible dangers caused by parts loosening during movement. 3.1.7
3.1.8 Possible dangers caused by loose clamping devices of cutting tools and small pieces. 3.1.9 Possible dangers caused by the motorized clamping device: a) Danger caused by incompatibility between clamping and loosening of the clamping device and machine tool operation and stop; b) Possible danger caused by emergency stop or power system failure. 3.1.10 Possible dangers caused by the lubrication system. 3.1.11 Possible dangers arising from the hydraulic system. 3.1.12 Possible dangers caused by coolant splashing. 3.1.13 Possible dangers caused by improper packaging, storage and transportation of machine tools. 3.2 Electrical hazards
3.2.1 Hazards of electric shock:
a) Danger of direct electric shock;
b) Danger of indirect electric shock.
3.2.2 Danger caused by improper protection of electrical equipment: a) The current in the electrical equipment exceeding the rated value may cause damage to the electrical equipment; b) Overloading of the motor may cause its damage: c) Overspeeding of the motor may cause accidental danger. 3.2.3 Possible dangers caused by improper design or failure of the control system. 3.2.4 Danger that may be caused by improper placement and symbols of control devices such as buttons, signal lights, and displays. 3.2.5 Possible dangers caused by improper wire connection and marking. 3.2.6 Possible dangers when the motor rotates in reverse direction. 3.2.71
Dangers that may arise from emergencies.
3.2.8 Hazards caused by lighting devices that do not comply with regulations. 3.3 Danger of noise
Noise that does not meet the regulations may cause hearing loss and the risk of physical and mental illness to the human body. 3.4 Hazards caused by materials and substances
3.4.1 Hazards caused by harmful gases that may be generated when the machine tool is working. 3.4.2 Possible dangers caused by excessive dust concentration when machine tools are working. 2 | | tt | | JB10228-2001 | | tt | 3.5.2 The improper installation height of the machine tool operating handle and the reading mechanism of the measuring disk device affects the health of the operator. 3.5.3 Improper lighting of the machine tool may cause the operator to risk misoperation. 3.5.4 Danger caused by confusion in the operating direction of the machine tool control device. 3.6 Improper safety protection devices, safety signs and safety colors may lead to dangers and additional dangers. 3.7 Possible dangers caused by failure to provide necessary usage information. 4 Safety requirements and measures
4.1 General requirements
4.1.1 All potential risk factors should be eliminated or reduced as much as possible through design, generally in accordance with 5.1 in GB/T15706.1-1995 ~5.3 and Chapter 3 of GB/T15706.2-1995 shall be implemented. 4.1.2. For hazards that cannot be appropriately avoided or adequately limited by design, necessary protective measures or safety protection devices should be installed. 4.1.3 For certain hazards that are inconvenient to protect, usage information should be given in the instruction manual, and warning signs should be set near the dangerous parts if necessary.
4.2 Machinery safety requirements and measures
4.2.1 The layout of machine tools should ensure sufficient stability under predetermined working conditions, and there is no danger of accidental overturning, falling or movement. 4.2.2 Without affecting the use, the exposed parts of the machine tool that can be accessed should be as flat and smooth as possible, and there should be no sharp hooks, sharp corners, sharp edges, protruding parts and openings that may cause personal injury. 4.2.3 The tool rest slide plate and workbench should have reliable limit devices in the direction of movement. There should be no risk of collision or fall. Otherwise, safety protection measures should be taken.
4.2.4 Exposed rotating parts such as exchange gears, belt drives, etc. should generally be closed. If closure is difficult, safety protection devices should be installed or necessary protective measures should be taken.
4.2.5 Column guide rails, bed guide rails and table guide rails should have protective devices (such as dustproof, scraper devices and protective covers, etc.). 4.2.6 Parts and components that may come loose during movement should be equipped with reliable anti-loosening devices. 4.2.7 The clamping device should ensure that the tool and workpiece will not loosen, fall or be thrown out. 4.2.8 The start of machine tool operation should generally be interlocked with the end of the clamping process of the motorized clamping device. The start of loosening of the motorized clamping device should generally be interlocked with the end of machine tool operation.
In the event of an emergency stop or power system failure, the motorized clamping device should still maintain the clamping force on the tool and workpiece until the machine tool stops completely.
4.2.9 The safety requirements of machine tool lubrication systems should generally comply with the provisions of 5.9 and Chapter 7 of GB/T6576-1986. 4.2.10 The safety requirements of machine tool hydraulic systems should generally comply with the provisions of Chapter 5 of JB/T100511999. 4.2.11 There should be protective devices or protective measures in the cutting processing area to prevent coolant splashing and protect the safety of operators. The opening and closing of the protective device should be interlocked with the stop and start of the machine tool. The device for fixing the coolant nozzle should be able to be fixed at the required position conveniently, safely and reliably. 4.2.12 Safety requirements and measures for machine tool packaging, storage and transportation should generally comply with the provisions of GB15760-1995 13.1, 13.2 and JB/T8356.1~8356.2.
3
4.3 Safety requirements and measures for electrical systems
4.3.1 Protection against electric shock shall comply with the following provisions: JB10228-2001
a) Protection against direct electric shock shall comply with The provisions of 6.2 in GB/T5226.1-1996: b) The protection against indirect electric contact shall comply with the provisions of 6.3 in GB/T5226.11996. The grounding of electrical equipment should be reliable and comply with the provisions of Chapter 8 of GB/T5226.1-1996. 4.3.2 The protection of electrical equipment shall comply with the following provisions: a) Overcurrent protection shall comply with the provisions of 7.2 in GB/T5226.1-1996; b) Motor overload protection shall comply with the provisions of 7.3 of GB/T5226.11996: c) Motor overspeed protection should comply with the provisions of 7.6 in GB/T5226.11996. 4.3.3 The control system should ensure its reliable function. The control system should be able to withstand the expected workload and external influences. Logical errors and interruption or damage to the machine tool control information carrier should not lead to the emergence of dangerous situations. 4.3.4 The safety requirements of the control circuit should comply with the provisions of 9.1 and 9.4 in GB/T5226.1-1996. 4.3.5 Accidental interruption of power should not cause danger to personnel; after power is restored, the machine tool should not start on its own. 4.3.6. When the machine tool stops, the longitudinal feed motion of the workbench and the radial feed motion of the tool rest slider should stop no later than the rotational motion of the tool spindle. 4.3.7 In the event of an emergency stop or a failure of the power system, the workbench and tool rest slide that performs feed motion should stop on the spot. When the machine tool is in cycle working mode, manual working mode operations are invalid (except emergency stop). 4.3.83
4.3.9 The working state selection switch should be set for each control function on the CNC machine tool. Each position is only allowed to correspond to one control mode or working state. Other methods (such as code control) can also be used. ) to select working status. CNC machine tools should also consider the possible impact of power supply on the CNC system. The power supply requirements should comply with the provisions of 4.3 in GB/T5226.1-1996.
4.3.10 A "stop" control device should be provided near each "start" control device. An emergency stop control device should generally be installed at each T. operation or operating position. The action of the emergency stop control device should not affect the function of the device that protects the operator or the machine tool. 4.3.11 The position of the control device should ensure that misoperation and additional risks will not be caused during operation. The location of electrical control devices should comply with the provisions of 5.3.4, 10.1.1 and 13.2 in GB/T5226.1-1996. 4.3.12 Control devices such as buttons, indicator lights and displays should be clearly legible and easy to distinguish. The signs indicating their functions or uses should comply with the relevant provisions of GB/T3167 and GB/T3168. The use of their colors should comply with GB/T5226. 1-1996, 10.2, 10.3 and 10.4.
4.3.13 The connection and identification of wires shall comply with the provisions of 15.1 and 15.2 in GB/T5226.1-1996. 4.3.14 Motors that are only allowed to rotate in one direction should have a clearly visible direction box head mark near them. 4.3.15 Purple emergency stop should comply with the provisions of 9.2.5.4 and 10.7 in GB/T5226.1-1996. 4.3.16 The local lighting device of machine tools should generally comply with the provisions of 17.2 in GB5226.1--1996. 4.4 Noise safety requirements and measures
There should be no abnormal screams and impact sounds when the machine tool is running. Under dry running conditions, the noise sound pressure level of the machine tool should not exceed 83dB (A). Under the cutting conditions specified for the corresponding product, the load noise of the machine tool should comply with the relevant regulations on environmental protection and hygiene. 4.5 Safety requirements and measures for materials and substances 4.5.1 Machine tools that produce harmful gases during operation should take effective measures to protect them. 4
JB10228-2001
4.5.2 For machine tools that generate dust, the dust concentration should not exceed 10mg/m2, otherwise a dust collection device should be installed. 4.6 Safety requirements and measures taken based on ergonomics principles 4.6.1 The operating force of the machine tool handwheel and handle should be uniform within the stroke range. The operating force of the handwheel and handle should comply with the provisions of 7.10 in GB15760-1995.
4.6.2 The installation height of the operating handle should generally comply with the provisions of 7.11 in GB15760~1995. The installation height of the reading mechanism of the measuring device should comply with the provisions of 7.14 in GB15760-1995. 4.6.3 Machine tool lighting devices should not have internal effects and disruptive glare. 4.6.4 The operating direction of the machine tool control device should comply with the regulations of GB/T17161. When the machine tool structure is inconsistent with it, corresponding markings should be made on the machine tool.
4.7. Safety requirements and measures for safety protection devices, safety signs and safety colors 4.7.1 Safety requirements for safety protection devices
a) The performance of safety protection devices should be reliable and the structure should be solid and durable. b) The safety protection device itself should not cause additional dangers, it should not limit the functions of the machine tool, nor should it restrict the operation, adjustment and maintenance of the machine tool too much.
c) Safety protection devices should be firmly and reliably fixed. d) When an interlocking protective device is used, it should be ensured that the machine tool cannot be started before the protective device is closed. Once the protective device is opened, the machine tool should stop running.
e) The protective safety distance between the protective device and the dangerous parts of the machine tool should generally comply with the regulations of GB12265.1~12265.3. D. Protective materials and dimensions should comply with the regulations of GB8196 and GB8197. 4.7.2 If necessary, safety signs should be set up or painted with safety colors on dangerous parts of the machine tool, and safety colors should be painted on the inner surface of the protective cover that covers the dangerous parts, or on the surrounding surface of dangerous parts, or directly on dangerous parts to ensure safety. Alert operating, adjustment and maintenance personnel to the presence of hazards. The use of safety signs should comply with the regulations of GB2894, and the use of safety colors should comply with the regulations of GB2893 and GB/6527.2. 4.8 Usage Information
4.8.1 General requirements
a) Usage information consists of text, signals, symbols or diagrams, which can be used alone or in combination to convey information to users
b) Usage information should clearly specify the machine tool Intended use and shall include all instructions required to ensure safe and correct use of the machine tool: c) Usage information shall not be used to remedy design defects; d) Usage information must include transportation, delivery test operation (assembly, installation and adjustment), use (setting, teaching or process switching operation, cleaning, troubleshooting and machine tool maintenance). 4.8.2 Usage information should be configured according to the structure of the machine tool, the time when the user needs to use the information, and the risks. 4.8.3 Usage information can be given from the machine tool itself, random technical documents (especially the instruction manual) and other means (such as various signals and text warnings, etc.) The safety performance and safety precautions of the machine tool should be clearly stated in the machine tool manual. And safety requirements for operation, adjustment and maintenance.
4.8.3.1 Signs, symbols (pictograms), and text warnings should generally comply with the provisions of 4.8.3.2 Signals and warnings in GB/T15706.2-1995. The device should comply with the provisions of 5.3 in GB15706.2-1995. 4.8.3.3 Random technical documents should generally comply with the provisions of 5.5 in GBT15706.2-1995 and JB/T9875. 5 Assessment of safety requirements and measures
5.1 General assessment
JB102282001
5.1.1 Evaluate whether the machine tool avoids or reduces the danger as much as possible through appropriate structural design, and whether it limits the risks faced by people by reducing the need for operators to enter the danger zone. Hazards. 5.1.2 Assess whether the machine tool has taken necessary protective measures or installed safety protection devices for hazards that cannot be eliminated through design. 5.1.3 Assess the use information of the machine tool and whether it informs and warns users about hazards that cannot be eliminated through design. 5.2 Evaluation of mechanical safety requirements and measures
5.2.1 Assess whether the drawings and processes comply with the provisions of 4.2.1, and Check whether there are sharp edges, sharp corners, protruding parts and openings on the exposed surface of the machine tool that may cause personal injury
5.2.2 Check whether the machine tool rest slide plate and worktable have limit devices in their movement direction. Check whether the position is reliable, and check whether there is a risk of collision or fall during movement. 5.2.3 Check whether the exchange gears, belt drives and other devices on the machine tool are closed, or whether safety protection devices are installed or safety protection measures are taken. || tt||5.2.4 Check whether the machine tool column guide rails, bed guide rails and table guide rails have dust-proof devices or protective devices. 5.2.5 Evaluate whether parts that may become loose during movement have reliable anti-loosening devices. Evaluate whether the machine tool clamping device meets the requirements of 4.2.7. 5.2.7 Evaluate whether the machine tool clamping device meets the requirements of 4.2.8. Check whether the machine tool can be started when the machine tool is not clamped or the clamping force is lower than the design requirements. . Check whether the clamping device is loose after the machine tool is running.
Press the "Emergency Stop" button or press the "Hydraulic Stop" button to check whether it is still in a clamped state before the machine tool is completely stopped. ||tt| |5.2.8 Evaluate whether the machine tool meets the requirements of 4.2.9 and 4.2.10. 5.2.9 Check whether the machine tool meets the requirements of 4.2.11. 5.3 Electrical safety requirements and measures. Assessment
5.3.1 Evaluate whether the electrical system meets the requirements of 4.3. 5.3.2 Electrical equipment should be tested for continuity of protective grounding circuit, insulation resistance withstand voltage, residual voltage protection and functional tests in accordance with Chapter 20 of GB/5226.1-1996. 5.4 Assessment of machine tool noise
According to the provisions of GB/T16769, check whether the sound pressure level of the machine tool disc sound meets the requirements of 4.4. 5.5 Evaluate whether materials and material safety requirements and measures comply with the provisions of 4.5. 5.6. Evaluate whether the machine tool has taken protective measures according to ergonomic principles. 5.6.1 Evaluate whether the control force of the machine tool handwheel and handle meets the requirements of 4.6.1. 5.6.2 Evaluate whether the installation height of the machine tool operating handle and the reading mechanism of the measuring device meets the requirements of 4.6.2. 5.6.3 Evaluate whether the machine tool lighting device meets the requirements of 4.6.3. 5.6.4 Evaluate whether the operating direction of the machine tool control device complies with the provisions of 4.6.4. 6 | | tt | | JB102282001 | | tt | 5.8 Evaluation of safety protection devices, safety signs and safety colors Evaluate whether the machine tool safety protection devices, safety signs and safety colors comply with the provisions of 4.7. 5.9 Evaluation of usage information
Evaluate whether the machine tool usage information complies with the provisions of 4.8. 6 Responsibilities
6.1 The manufacturer should provide operating instructions for each machine tool. The instruction manual should include the safety performance, safety precautions, and safety requirements for operating, adjusting, and maintaining the machine tool. At the same time, the safety responsibilities specified in 6.2-6.4 of this standard should be stated in the instruction manual.
6.2 The manufacturer shall be responsible for the safety of the machine tools and auxiliary equipment supplied. 6.3 The user is responsible for the safety of the tools, tooling and auxiliary equipment that he adds, and for the safety of the machine tool workspace after changing or modifying the original tooling and auxiliary equipment and modifying the machine tool. 6.4 The user is responsible for the dangers caused by failure to install, operate and maintain the machine tool in accordance with the instruction manual.10 Assess whether the machine tool complies with the provisions of 4.2.12. 5.3 Assessment of electrical safety requirements and measures
5.3.1 Assess whether the electrical system complies with the provisions of 4.3. 5.3.2 Electrical equipment shall be tested for continuity of protective grounding circuit, insulation resistance withstand voltage, residual voltage protection and function in accordance with the provisions of Chapter 20 of GB/5226.1-1996. 5.4 Assessment of machine tool noise
Inspect the sound pressure level of the machine tool disc noise in accordance with the provisions of GB/T16769 to see if it complies with the requirements of 4.4. 5.5 Assess whether the material and substance safety requirements and measures comply with the provisions of 4.5. 5.6. Assess whether the machine tool has taken protective measures in accordance with the principles of ergonomics. 5.6.1 Assess whether the operating force of the machine tool handwheel and handle complies with the provisions of 4.6.1. 5.6.2 Assess whether the installation height of the machine tool operating handle and the reading mechanism of the measuring device complies with the provisions of 4.6.2. 5.6.3 Assess whether the lighting device of the machine tool complies with the provisions of 4.6.3. 5.6.4 Assess whether the operating direction of the machine tool control device complies with the provisions of 4.6.4. 6
JB102282001
5.7 Assessment of safety protection devices, safety signs and safety colors Assess whether the safety protection devices, safety signs and safety colors of the machine tool comply with the provisions of 4.7. 5.8 Assessment of safety protection devices, safety signs and safety colors Assess whether the safety protection devices, safety signs and safety colors of the machine tool comply with the provisions of 4.7. 5.9 Assessment of usage information
Assess whether the usage information of the machine tool complies with the provisions of 4.8. 6 Responsibility
6.1 The manufacturer shall provide an instruction manual for each machine tool. The instruction manual shall include the safety performance of the machine tool, safety precautions, and safety requirements for operating, adjusting and maintaining the machine tool. At the same time, the instruction manual shall clarify the safety responsibilities specified in 6.2-6.4 of this standard.
6.2 The manufacturer shall be responsible for the safety of the machine tools and auxiliary equipment provided. 6.3 The user shall be responsible for the safety of the tools, fixtures and auxiliary equipment added by the user, and for the safety of the machine tool work area after the user changes or modifies the original fixtures and auxiliary equipment and modifies the machine tool. 6.4 The user shall be responsible for the danger caused by failure to install, operate and maintain the machine tool in accordance with the instruction manual.10 Evaluate whether the machine tool meets the requirements of 4.2.12. 5.3 Assessment of electrical safety requirements and measures
5.3.1 Evaluate whether the electrical system complies with the provisions of 4.3. 5.3.2 Electrical equipment should be tested for continuity of protective grounding circuit, insulation resistance withstand voltage, residual voltage protection and functional tests in accordance with Chapter 20 of GB/5226.1-1996. 5.4 Assessment of machine tool noise
According to the provisions of GB/T16769, check whether the sound pressure level of the machine tool disc sound meets the requirements of 4.4. 5.5 Evaluate whether materials and material safety requirements and measures comply with the provisions of 4.5. 5.6. Evaluate whether the machine tool has taken protective measures according to ergonomic principles. 5.6.1 Evaluate whether the control force of the machine tool handwheel and handle meets the requirements of 4.6.1. 5.6.2 Evaluate whether the installation height of the machine tool operating handle and the reading mechanism of the measuring device meets the requirements of 4.6.2. 5.6.3 Evaluate whether the machine tool lighting device meets the requirements of 4.6.3. 5.6.4 Evaluate whether the operating direction of the machine tool control device complies with the provisions of 4.6.4. 6
JB102282001
5.7 Evaluation of safety protection devices, safety signs and safety colors Evaluate whether the machine tool safety protection devices, safety signs and safety colors comply with the provisions of 4.7. 5.8 Evaluation of safety protection devices, safety signs and safety colors Evaluate whether the machine tool safety protection devices, safety signs and safety colors comply with the provisions of 4.7. 5.9 Evaluation of usage information
Evaluate whether the machine tool usage information complies with the provisions of 4.8. 6 Responsibilities
6.1 The manufacturer should provide operating instructions for each machine tool. The instruction manual should include the safety performance, safety precautions, and safety requirements for operating, adjusting, and maintaining the machine tool. At the same time, the safety responsibilities specified in 6.2-6.4 of this standard should be stated in the instruction manual.
6.2 The manufacturer shall be responsible for the safety of the machine tools and auxiliary equipment supplied. 6.3 The user is responsible for the safety of the tools, tooling and auxiliary equipment that he adds, and for the safety of the machine tool workspace after changing or modifying the original tooling and auxiliary equipment and modifying the machine tool. 6.4 The user is responsible for the dangers caused by failure to install, operate and maintain the machine tool in accordance with the instruction manual.
Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.