JB 10140-1999 JB 10140-1999 Technical conditions for safety protection of spline shaft milling machines JB10140-1999 Standard download and decompression password: www.bzxz.net

ICS25.080.20
J56
JB
Machinery Industry Standard of the People's Republic of China
JB10140—1999
Spline shaft milling machine
Safety protection Technical Conditions
Released on 1999-10-08
National Machinery Industry Bureau
Released
Implemented on 2000-03-01
JB.10140—1999| |tt||Foreword
This standard supplements and specifies GB15760-1995 "General Technical Conditions for Safety Protection of Metal Cutting Machine Tools" based on the characteristics and requirements of the structure and performance of chain shaft milling machines. The standards supporting this standard are:
GB/T9167—1988
JB/T2400—1992
JB/T8882--1993
JB/T6096—1992
Spline shaft milling machine precision
Spline shaft milling machine parameters
Spline shaft milling machine technical conditions
Spline shaft milling machine series model spectrum
This standard 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 unit responsible for drafting this standard: Qinghai Second Machine Tool Factory. The main drafters of this standard: Han Jie and Guo Lin. Scope
Machinery Industry Standard of the People's Republic of China
Spline shaft milling machine
Technical conditions for safety protection
This standard specifies the main technical requirements for safety protection of spline shaft milling machines, measures and assessments. This standard applies to spline shaft milling machines with a maximum milling diameter of 125~200mm. Referenced standards
2
JB 10140—1999
The provisions contained in the following standards constitute provisions of this standard by being quoted 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
GB 2894—1996
GB/T 3167—1993
GB/T 3168—1993
GB/T 5226.1—1996||tt ||GB/T 65761986
GB8196—1987
GB 81971987
GB/T 5706.1—1995
GB/T5706.2—1995
GB 157601995
GB/T 16769—1997
GB/T 171611997
JB/T8356.1—1996
JB/T 9875—1999
JB /T10051—1999
3 Machine tool dangers
3.1 Mechanical dangers
Safety colors
Safety signs
Metal cutting machine tool operating instructions visual symbols numbers Controlling machine tool operating instructions with visual symbols T-industrial machinery and electrical equipment Part 1: General technical conditions Machine tool lubrication system
Safety requirements for mechanical equipment protective covers
Safety requirements for protective screens
Basic concepts of mechanical safety and design general principles Part 1: Basic terminology, methodology Basic concepts of mechanical safety and general design principles Part 2: Technical principles and specifications for safety protection of metal cutting machine tools General technical conditions for metal cutting machine tool noise and sound pressure level measurement method Operating direction of machine tool control device
Technical conditions for machine tool packaging
Preparation of random technical documents for metal cutting machine tools General technical conditions for hydraulic systems of metal cutting machine tools 3.1.1 Personal injuries that may be caused by sharp corners and sharp corners in the exposed parts of the machine tool. 3.1.2 The reciprocating motion of the machine tool table (or slide) may cause danger beyond the work area. 3.1.3 The machine tool flywheel may become loose, used out or wound during movement. 3.1.4 The flying chips during the T adding process may cause burns to the human body. 3.1.5 Due to the clamping device, there is a risk of the workpiece or tool falling. Approved by the State Administration of Machinery Industry on 1999-10-08 and implemented on 2000-03-01
3.2 Electrical dangers
3.2.1 Danger caused by non-compliance of power supply JB10140-1999
3.2. 1.1 Danger caused by electrical system not complying with power supply regulations. 3.2.1.2 Hazards caused by machine tool power supply wiring that does not comply with regulations. 3.2.1.3 Danger caused by failure of the machine tool power cut-off (isolation) switch to comply with regulations. 3.2.2 Risk of electric shock
3.2.2.1 Improper shielding of live objects may lead to risk of electric shock. 3.2.2.2 Poor grounding of live equipment may cause the risk of electric shock. 3.2.2.3 Poor insulation of live parts may cause the risk of electric shock. 3.2.3 Danger caused by improper protection of electrical equipment 3.2.3.1 The current in electrical equipment exceeding the rated value may cause damage to it. 3.2.3.2 Overloading the motor may cause damage to it. 3.2.3.3 Power interruption or voltage drop may cause the danger of malfunction of electrical equipment. 3.2.4 Dangers caused by emergencies.
3.2.5 Danger caused by lighting that does not comply with regulations. 3.2.6 Danger caused by improper selection of buttons, indicator lights and other control devices that do not comply with design requirements. 3.3 Dangers caused by the hydraulic system
3.3.1 Dangers caused by the wave pressure system not complying with the design requirements. 3.3.2 Danger caused by malfunction of hydraulic components caused by hydraulic system failure. 3.4 Dangers caused by the control system
3.4.1 Dangers that may be caused by logical errors in the control system and interruption or damage to the machine tool control information carrier. 3.4.2 Possible dangers caused by accidental interruption and restoration of power. 3.4.3 Improper positioning of control devices, unclear functions and uses, and improper setting of CNC machine tool function selection switches may cause dangers caused by misoperation.
3.4.4 Danger caused by failure of stop and emergency stop control devices to be set as required. 3.5 Possible dangers caused by improper lubrication of machine tools. 3.6 Possible dangers caused by improper arrangement of coolant nozzles, switches or flow controllers of the cooling system. 3.7 Noise that does not meet the regulations may cause hearing loss and the risk of physical and mental illness to the human body. 3.8 Hazards caused by materials and substances
3.8.1 Hazards that may arise from improper selection of various materials used in machine tools. 3.8.2 The danger to personal life caused by coolant splashing when the machine tool is working. 3.9 When designing machine tools, the dangers arising from ignoring ergonomics principles 3.9.! Danger caused by confusing operation direction of machine tool control device. 3.9.2 The operating force of the machine tool handwheel and handle is too large, which affects the health of the operator. 3.9.3 The improper installation height of the machine tool operating handle affects the operation. 3.9.4 Danger caused by glare, shadow and stroboscopic effect due to improper lighting. 3.10 Danger caused by improper safety protection measures. 2
3.11 Possible dangers caused by improper packaging, storage and transportation of machine tools. JB10140-1999
3.12 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 of machine tools should be eliminated or reduced as much as possible through design, and generally should comply with Section 5 of GB/T15706.1-1995 Chapter 3 and the provisions of Chapter 3 of GB/T15706.2-1995. 4.1.2 For risks that cannot be eliminated, necessary protective measures should be taken or safety protection devices should be installed. 4.1.3 For some hazards that are inconvenient to protect, they should be explained in the instruction manual, and warning signs should be set near the dangerous parts if necessary. 4.2 Protection of mechanical hazards
4.2.1 Machine tool head, tailstock, work The exposed surfaces of the table (or slide) and milling head components should be as flat and smooth as possible, and should not have sharp edges, corners, or edges that may cause personal injury. 4.2.2 Reliable limit devices should be installed for the reciprocating motion of the machine tool T table (or slide). 4.2.3 Practical and reliable protective measures should be taken for the machine tool flywheel to ensure that it will not cause damage to personnel due to loosening, being pulled out or winding during movement.
4.2.4 Set up protective baffles in areas where chip splash may cause danger. 4.2.5 The structure of the clamping device should ensure that the workpiece or tool will not fall. 4.3 Protection against electrical system hazards
4.3.1 The power supply should comply with the regulations of GB/T5226.1. 4.3.1.1 The electrical system shall meet the power supply requirements and shall comply with the provisions of 4.3 in GB/T5226.1-1996. 4.3.1.2 The form and requirements of machine tool power supply connection shall comply with GB/T5226.1-1996, 5.1. 4.3.1.3 The power cut-off (isolation) switch shall comply with the provisions of 5.3 in GB/T5226.1-1996. 4.3.2 Electric shock protection should comply with the provisions of Chapter 6 and Chapter 8 of GB/T5226.1-1996. 4.3.2.1 The screen protection of electrified objects shall comply with the provisions of 6.2.1 in GB/T5226.1-1996. 4.3.2.2 Protection against electric shock shall comply with the provisions of 6.3 or 6.4 in GB/T5226.11996. The grounding of electrical equipment should comply with the provisions of Chapter 8 of GB/T5226.11996.
4.3.2.3 The insulation protection of live objects shall comply with the provisions of 6.2.2 in GB/T5226.1-1996. 4.3.3 The protection of electrical equipment shall comply with the provisions of Chapter 7 of GB/T5226.11996. 4.3.3.1 Overcurrent protection shall comply with the provisions of 7.2 of GB/T5226.1-1996. 4.3.3.2 Motor overload protection shall comply with the provisions of 7.3 in GB/T5226.1-1996. 4.3.3.3 Protection against power interruption or voltage drop and subsequent recovery shall comply with the provisions of 7.5 in GB/T5226.1-1996. 4.3.4 Emergency stop shall comply with the provisions of 9.2.5.4 in GB/T5226.1-1996. 4.3.5 Local lighting should comply with the provisions of 17.2 in GB/T5226.1-1996. 4.3.6. The design of control devices such as buttons and indicator lights should generally comply with the provisions of Chapter 10 of GB/T5226.1-1996. The selection of wires and cables should generally comply with the provisions of Chapter 14 of GB/T5226.1-1996. 4.4 Safety requirements of the hydraulic system
The hydraulic system should be able to ensure the normal operation of the machine tool and personal safety, and its safety requirements should comply with the provisions of JB/T10051, 3
4.5 Safety requirements and measures of the control system| | tt | | JB10140-1999 |
4.5.2 Accidental interruption of power should not cause danger to personnel. Moving parts should stop on the spot or return to the position specified by the design. The motorized clamping device should still maintain the clamping force on the workpiece. After power is restored, the machine tool should not start on its own. 4.5.3 Control devices should be clearly legible and easy to distinguish. If necessary, signs indicating their functions and uses should be set. Their positions should be correct and reasonable to ensure that misoperation and additional dangers will not be caused during operation. 4.5.4 CNC machine tools should be equipped with an operating state selection switch for each control function. Each position is only allowed to correspond to one control method or working state. Other methods (such as code control) can also be used to select the working state. 4.5.5 A "stop" control device should be set near each "start" control device. An emergency stop control device should generally be installed at each T. operation or operating position, and its action should not affect the function of protecting the operator or the machine tool device. 4.6 Safety requirements and measures for the lubrication system
The safety of the lubrication system should generally comply with the provisions of 5.9 and Chapter 7 of GB/T6576-1986. 4.7 Safety requirements for cooling systems
4.7.1 The coolant nozzle should be fixed at the required position conveniently, safely and reliably. 4.7.2 The arrangement of the coolant switch or flow controller should ensure the safety of the operator during adjustment. 4.7.3 The coolant tank and coolant tank should generally be easy to clean. 4.8 Noise safety requirements
There should be no abnormal screams and impact sounds when the machine tool is running. Under dry running conditions, the sound level of machine tool noise should not exceed 83dB(A).
4.9 Protection against hazards caused by materials and substances
4.9.1 The materials used in the main parts of the machine tool should comply with the design requirements. 4.9.2 The machine tool should accommodate and effectively recover coolant as much as possible. Protective baffles should be installed at the splashing parts of coolant in the processing area to prevent coolant from splashing towards the operator.
4.10 Safety requirements and measures taken based on ergonomics principles. The operating direction of the machine tool control device should comply with the regulations of GB/T17161. When it is inconsistent with the machine tool structure and other reasons, 4.10.1
should be marked on the machine tool.
4.10.2 The operating force of the machine tool handwheel and handle should be uniform within the stroke range, and the operating force of the handwheel and handle should not exceed the requirements in Table 1. Table 1 Limits of handwheel and handle control force
Machine tool weight
>2~5
>5
4.10.3
4.10.4 bzxz.net
4
Radial feed handwheel
60
80
The installation height of the machine tool operating handle should comply with the requirements in Table 2. Handwheel, handle control force
Tailstock top purple handwheel, Yubang
60
80
The safety requirements of machine tool lighting devices should comply with GB15760-1995 No. The provisions of Chapter 12. Others are on the wheel, on the handle
100
120
N
Operation on the handle name
Wei Kang is tired of the handle
Others Handle
4.11 Requirements for safety protection devices
JB 101401999
Table 2 Limits of installation height of operating handle
Usage
Frequently used|| tt||Infrequently used
Installation height
0.5~1.7
0.3~1.85
4.11.1 The safety protection device should be reliable in performance, firmly fixed, and itself No additional hazards should arise. 4.11.2 The materials and relevant dimensions of the protective device should comply with the regulations of GB8196 and GB8197. 4.12 Safety requirements for machine tool packaging, storage and transportation
m
Safety requirements for machine tool packaging, storage and transportation shall comply with the relevant provisions of GB157601995 13.1, 13.2 and JB/T8356.1 4.13 Requirements for usage information
4.13.1 General requirements
4.13.1.1 Usage information should clearly specify the intended use of the machine tool, and should include all instructions required to ensure the safe and correct use of the machine tool. 4.13.1.2 Usage information does not apply to compensate for design flaws. 4.13.1.3 Usage information must include transportation, delivery test operation (assembly, installation and adjustment), and use. 4.13.2 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. 4.13.3 Usage information can be given by the machine tool itself, random documents and other means (such as various signals and text warnings, etc.): its safety signs and visual symbols of operating instructions should generally comply with GB2893, GB2894 and GB/T3167, According to the provisions of GB/T3168, the comprehensive writing of random documents should generally comply with the provisions of JB/T9875. 5 Assessment of safety requirements and measures
5.1 General assessment
Check whether the machine tool meets the provisions of 4.1.
5.2 Evaluation of mechanical protection
5.2.1 Check whether the exposed part of the machine tool is flat and smooth, and there are no sharp corners, sharp corners and sharp edges. 5.2.2 Conduct a reciprocating rapid movement test on the machine tool worktable (or slide) within the full stroke range to check whether the limit device is reliable. 5.2.3 Check whether the protection of the machine tool flywheel meets the requirements of 4.2.3. 5.2.4 Check whether a protective baffle is installed at the chip splash area in the T zone of the machine tool. 5.2.5 Check whether the workpiece and tool clamping device are reliable. 5.3 Assessment of electrical protection
5.3.1 Check whether the protection of the machine tool electrical system complies with the provisions of 4.3. 5.3.2 Electrical equipment shall be subject to protection and functional tests of the continuity, insulation resistance, withstand voltage and residual voltage of the protective grounding circuit in accordance with the provisions of Chapter 20 of GB/T5226.1-1996. 5.4 Assessment of hydraulic system
Check whether the safety of the machine tool hydraulic system complies with the provisions of 4.4. 5.5 Evaluation of control system
Check whether the machine tool control system complies with the provisions of 4.5. 5.6 Evaluation of lubrication system
JB10140-1999
Check whether the safety of the machine tool lubrication system complies with the provisions of 4.6. 5.7 Evaluation of machine tool cooling system
Check whether the safety of the machine tool cooling system meets the requirements of 4.7. 5.8 Evaluation of machine tool noise
According to the provisions of GB/T16769, check whether the sound pressure level of the idle running noise of the machine tool meets the requirements of 4.8. 5.9 Inspection of materials and substances
Check whether protective baffles are installed in the coolant splash area in the machine tool processing area. 5.10 Evaluation of protective measures taken according to the principle of human efficiency 5.10.1 Check whether the operating direction of the machine tool control device complies with the provisions of 4.7.1. 5.10.2 Check whether the handwheel and handle control force of the machine tool meet the requirements of 4.7.2. 5.10.3 Check whether the installation height of the machine tool operating handle meets the requirements of 4.7.3. 5.10.4 Check whether the lighting device has stroboscopic effect, dazzling phenomenon and shadow area. 5.11 Evaluation of safety protection devices
Check whether the machine tool protection devices comply with the provisions of 4.11. 5.12 Assessment of safety requirements and measures for packaging, storage and transportation of machine tools Check whether the safety requirements and measures for packaging, storage and transportation of machine tools comply with the provisions of 4.12. 5.13 Evaluation of usage information
Evaluate whether the usage information complies with the provisions of 4.13. 6 Responsibilities
6.1 The manufacturer should provide an instruction manual for each machine tool. The instruction manual should include the safety performance, safety precautions, and safety requirements for operation, adjustment, and maintenance of the machine tool. 6.2 The manufacturer shall be responsible for the safety protection of the machine tools and supplied auxiliary equipment. 6.3 The user is responsible for the safety protection of the tooling and auxiliary equipment added by himself, and the safety protection of the machine tool T working area after changing or modifying the original tooling and auxiliary equipment.
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. 6
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