JB 10166-2000 Safety protection technical conditions for spiral bevel gear milling machines
Some standard content:
ICS25.060
J56
JB
Machinery Industry Standard of the People's Republic of China
JB10166-2000
Spiral bevel gear milling machine
Safety protection technical conditions
Spiral bevel gear milling machine-Safeguarding specification
2000-01-04 Issued
State Bureau of Machinery Industry
Issued
2000-06-01 Implementation
JB10166-2000
Foreword
This standard is formulated on the basis of GB15760-1995 "General technical conditions for safety protection of metal cutting machine tools" and combined with the structural characteristics of spiral bevel gear milling machines. It is a concretization and supplement of this standard. The standards matching this standard are:
JB/T3192—1993 Technical conditions for spiral bevel gear milling machines JB/T3192.1-—1999 Parameters for spiral bevel gear milling machines JB/T3192.2-1999 Accuracy inspection for spiral bevel gear milling machines JB/T8359—1996 Tool spindle end for spiral bevel gear milling machines This standard was proposed by the National Technical Committee for Standardization of Metal Cutting Machine Tools. This standard is under the jurisdiction of Tianjin Gear Machine Tool Research Institute. The drafting unit of this standard: Tianjin Gear Machine Tool Research Institute. The main drafters of this standard: Cheng Liangfan, Li Li, Lu Junfang. This standard was first issued on January 4, 2000. 1 Scope
Machinery Industry Standard of the People's Republic of China
Spiral bevel gear milling machine
Safety protection technical conditions
Spiral bevel gear milling machineSafeguardingspecification
This standard specifies the main technical requirements, measures and assessments for the safety protection of spiral bevel gear milling machines. JB 10166-2000
This standard is applicable to spiral bevel gear milling machines for general use with a maximum workpiece diameter of 125~1600mm and using the rolling method to add T. 2 Reference standards
The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. When this standard is published, the versions shown are valid. All standards will be revised, and parties using this standard should explore the possibility of using the latest versions of the following standards. GB/T 3167—1993
GB/T 3168—1993
GB/T5226.1—1996
GB/T 6576—1986
GB 12265.11997
GB 12265.31997
GB/T15706.2—1995
GB 15760—1995
GB/T 16769—1997
GB/T 17161—1997
JB/T8356.1—1996
JB/T 9875—1999
JB/T 10051—1999
3 Hazards of machine tools
3.1 Hazards of machinery
Metal cutting machine tools'operating instructions' graphic symbols Digital control machine tools'operating instructions' graphic symbols Industrial machinery electrical equipment Part 1: General technical conditions Machine tool lubrication system
Machine safety Safety distance to prevent upper limbs from touching the danger zone Mechanical safety Minimum distance to avoid squeezing of various parts of the human body Basic concepts and general design rules for mechanical safety Part 2: Technical principles and specifications General technical conditions for safety protection of metal cutting machine tools Methods for measuring the sound pressure level of metal cutting machine tools Operating direction of machine tool control devices
Technical conditions for machine tool packaging
Condensation of random technical documents of metal cutting machine tools General technical conditions for hydraulic systems of metal cutting machine tools 3.1.1 Due to unreasonable layout of the machine tool, the machine tool is in danger of accidentally tipping over, falling or moving. 3.1.2 Sharp edges, corners, protrusions and openings on the exposed parts of the machine tool may cause stabbing or piercing. 3.1.3 When the gears are exchanged, the slightly engaged area may cause the danger of entrapment. There is a danger of twisting of the transmission device such as pulley and sprocket. 3.1.4 There is a danger of pinching or squeezing between the bed saddle (or table seat) and the cradle (or workpiece box). 3.1.5 When the machine tool stops, the danger of the feeding movement of the bed saddle (or cradle seat) stopping later than the main movement. Approved by the State Bureau of Machinery Industry on January 4, 2000 and implemented on June 1, 2000
JB 10166—2000
3.1.6 The danger of slipping caused by the leakage of coolant, lubricating oil and hydraulic oil. 3.1.7 The danger caused by parts and components that may loosen during movement. 3.1.8 The danger caused by improper handling of the relationship between the bed feed and the T-piece clamping device. 3.1. 9
When the transmission chain of the cradle is disconnected, the danger caused by the cradle rotating by itself due to its own weight. 3.1.10 Dangers caused by the movement of the bed (or the rocking table) due to tilting during transportation. The cutting processing area is a dangerous area, and there is a risk of splashing coolant and the tool and workpiece being thrown out. 3.1.11
3.1.12 Dangers of hydraulic system and lubrication system. 3.1.13 Dangers that may arise from improper packaging, storage and transportation of machine tools. 3.2 Electrical hazards
3.2.1 Danger of electric shock:
a) Danger of direct electric shock;
b) Danger of indirect electric shock.
3.2.2 Dangers caused by improper protection of electrical equipment: a) The current in the electrical equipment exceeds the rated value, which may cause damage to the electrical equipment; b) The motor may be damaged if it is overloaded. 3.2.3 Failure or damage of the control circuit (or its related components) may cause mechanical malfunction. 3.2.4 Installation of buttons, signal lights, and switches that do not comply with design regulations may cause confusion in operation. 3.2.5 Mechanical malfunction caused by power interruption or voltage drop, as well as power circuit failure and fault. 3.2.6 Dangers that may arise from improper wire connection and marking. 3.3 Dangers of noise
Noise may cause permanent hearing loss, tinnitus, fatigue, mental depression, etc. 3.4 Dangers caused by ignoring ergonomic principles in machine tool design 3.4.1 The operating force of the machine tool operating handwheel and handle is too large, affecting the health of the operator. 3.4.2 The inappropriate installation height of the machine tool operating handwheel, handle and reading mechanism affects the operation. 3.4.3 Dangers caused by lighting that does not meet regulations. 3.4.4 Dangers caused by confusion in the control direction of the machine tool control device. 3.5 Additional dangers that may be caused by improper safety protection devices, safety signs and safety colors. 4 Safety requirements and measures
4.1 General requirements for safety requirements and measures
4.1.1 All potential risk factors should be eliminated or reduced as much as possible through design. 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 dangers that are difficult to protect, they should be explained in the instruction manual, and warning signs should be set up near the dangerous parts when necessary. 4.2 Safety requirements and measures for machinery
4.2.1 The shape and layout of the machine tool should ensure sufficient stability under the predetermined working conditions, and the machine tool should not be in danger of accidentally overturning, falling or moving during use.
4.2.2 The exposed parts that can be touched should be as flat and smooth as possible, and should not have sharp edges, sharp corners, protruding parts and 2wwW.bzxz.Net
openings that may cause personal injury.
JB10166-2000
4.2.3 Transmission devices such as exchange gears, pulleys, sprockets, etc. should generally be closed. If closing is difficult, safety protection devices should be installed. 4.2.4 If there is a part between the saddle (or cradle seat) and the table (or T. box) that is prone to cause pinching, safety protection measures should be taken. 4.2.5 When the machine tool stops, the feeding movement of the saddle (or table seat) should not stop later than the main movement. 4.2.6 Parts and components that may loosen during movement should be equipped with anti-loosening devices. 4.2.7 The coolant, lubricating oil and hydraulic oil of the machine tool should not leak to the ground. 4.2.8 When the transmission chain of the cradle is disconnected, the table should not rotate automatically. 4.2.9 For machine tools with hydraulic clamping workpiece devices, the clamping device should ensure that the workpiece will not fall or be used. In the event of an emergency stop or a power system failure, the clamping force on the workpiece should be maintained until the machine tool stops completely. For machine tools with hydraulic clamping workpiece devices, during the machine tool working cycle, the saddle forward and backward movements should be interlocked with the workpiece clamping and loosening movements. 4.2.10
That is, the saddle can move forward only after the workpiece is clamped, and the workpiece can be released only after the saddle is withdrawn. 4.2.11 The safety requirements of hydraulic systems should generally comply with the provisions of 5.1, 5.2, 5.3 and 5.5 in JB/T10051-1999. 4.2.12 The safety requirements of the lubrication system should generally comply with the provisions of 5.9.1 and Chapter 7 of GB/T6576-1986. 4.2.13 In order to prevent the bed saddle (or cradle base) from moving during operation, a locking device should be installed between the bed and the bed saddle (or cradle base) and locked before the machine tool is packaged. The locking device should be marked in red and stated in the instruction manual that the locking device must be removed or loosened before starting the machine tool.
4.2.14 There should be protective devices or protective measures in the cutting T area to prevent chips, tools, workpieces and coolant from flying out. The device for fixing the coolant nozzle should be able to be fixed at the required position conveniently, safely and reliably. 4.2.15 Safety requirements and measures for machine tool packaging, storage and transportation should generally comply with the provisions of 13.1, 13.2 in GB15760-1995 and 13.1, 13.2, 13.3 and 13.4 in JB/T8356.1-1996. 4.3 Safety requirements and measures for electrical systems
4.3.1 Protection against electric shock shall comply with the following provisions: a) Protection against direct electric contact shall comply with the provisions of 6.2. in GB/T5226.1-1996; b) Protection against indirect electric shock Should comply with the provisions of 6.3 in 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/T5226.11996: b) Motor overload protection shall comply with the provisions of 7.3 of GB/T5226.1-1996. 4.3.3 Emergency stop should comply with the provisions of 10.7 in GB/T5226.1-1996. 4.3.4 The control device should ensure that misoperation and additional risks will not be caused during operation. Its location arrangement should comply with the provisions of 5.3.4, 10.1.1 and 13.2 in GB/T5226.1-1996. 4.3.5 Control buttons, indicator lights and displays must be clearly identifiable and easy to distinguish. Marks indicating their functions or uses should comply with the relevant provisions of standards such as GB/T3167 and GB/T3168. The use of colors should comply with the provisions of 10.2, 10.3 and 10.4 in GB/T5226.1-1996.
4.3.6 Wire connection and identification should comply with the provisions of 15.1 and 15.2 in GB/T5226.1-1996. 4.3.7 A "stop" control device should be set near each "start" control device. An emergency stop control device should be installed on each operating panel to ensure that the machine tool or moving parts stop as quickly as possible. 4.3.8 Protection against power interruption or voltage drop and subsequent recovery shall comply with the provisions of 7.5 in GB/T5226.1-1996. 4.4 Noise safety requirements and measures
JE101662000
Measure the sound of the machine tool during idle operation and load operation according to the provisions of GB/T16769. When the machine tool is running, there should be no abnormal squeaking or impact sounds. When the machine tool is running dry, the sound pressure level of the entire machine noise should not exceed 83dB(A). Record the noise level during the load test of the machine tool and indicate it in the instruction manual.
4.5 Safety requirements and measures taken based on ergonomics principles 4.5.1 The operating force of the handwheel and handle should be uniform within the stroke range. The operating force of the handwheel and handle should be in accordance with GB15760-1995 7.10 "Infrequently used" The requirements for handwheels and handles are assessed. The operating force of the handwheels of the rotary shaker and eccentric drum and the vertical movement of the workpiece box are in accordance with the design requirements.
4.5.2 The installation height of the control handle should generally comply with the provisions of 7.11 "Only used for adjustment" in GB15760-1995. 4.5.3 The installation height of the measuring device for observation readings should comply with the provisions of GB15760-1995 7.14 "Infrequently used observation reading mechanisms, and be easy to observe.
4.5.4 Lighting devices should not cause dangerous hazards The stroboscopic effect should not produce disturbing eye-catching phenomena and shadow areas. 4.5.5 The operating direction of the machine tool control device should comply with the provisions of GB/T17161. When it is inconsistent with the machine tool structure, it should be made on the machine tool. Corresponding signs.
4.6 Safety requirements and measures for safety protection devices, safety signs and safety colors 4.6.1 The safety requirements for safety protection devices, safety signs and safety colors shall comply with 6.1, 6.2 and 6.3 of GB15760-1995. , 6.4, 6.6 and 6.7.
4.6.2 The protective safety distance between the protective device and the dangerous parts of the machine tool shall comply with the provisions of GB12265.1 and GB12265.3. When the distance does not meet the requirements of GB12265.1 and GB12265.3, an information sign should be set to prompt that the machine tool is not allowed to exceed the protective device and enter the danger zone while the machine tool is running. 4.6.3 If the interlocking protective device is not used, an information sign should be set to prompt that the machine tool is not allowed to enter the danger zone. Open the guard when the machine tool is running. 4.7 Usage information
4.7.1 General requirements
a) The usage information should clearly specify the intended use of the machine tool and should include the information required to ensure the safe and correct use of the machine tool. Various instructions: b) Usage information should not be used to compensate for design defects; c) Usage information must include transportation, delivery, test operation (assembly, installation and adjustment) use (setting, teaching or process conversion, operation, cleaning, troubleshooting) and machine maintenance). 4.7.2 The 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. 4.7.3 The usage information can be obtained from the machine tool itself, the accompanying documents (especially the instruction manual) and other methods. (such as various signals and text warnings, etc.) are given on:
a) Signal and warning devices should comply with the provisions of 5.3 in GB/T15706.2-1995: b) Signs, symbols (pictograms), text Warnings should comply with the provisions of 5.4 in GB/T15706.2-1995; c) Random documents should comply with the provisions of JB/T9875. 5 Assessment of safety requirements and measures
5.1 General assessment
Inspect whether the machine tool is Comply with the provisions of 4.1.
4
5.2 Assessment of mechanical safety requirements and measures
JB10166-2030
5.2.1 Evaluate whether the machine tool appearance layout complies with 4.2.1. 5.2.2 Check whether the exposed parts of the machine tool have sharp edges, sharp corners, protruding parts and openings that may cause personal injury. 5.2.3 Check whether the protective devices of the exchange gears, pulleys, sprockets, etc. on the machine tool comply with 4.2. .3. 5.2.4 Check whether there are safety protection measures when there is a risk of pinching between the bed saddle (or base) and the stationary parts. 5.2.5 Press the "Stop" button of the machine tool 10 times to check whether the main movement stops later than the feed movement. 5.2.6 Evaluate whether the parts that may be loose in the drawing have anti-loosening devices. 5.2.7 Disconnect the transmission chain of the cradle and check whether the cradle rotates on its own. 5.2.8 For machine tools that use hydraulic clamping of workpieces, when adjusting the machine tool to the working cycle state, check whether the advance and retreat movements of the bed drum are interlocked with the clamping and loosening movements of the workpiece, and check whether the hydraulic clamping device is reliable. . Press the emergency stop button and check whether the workpiece is in a clamped state before the machine tool stops safely. 5.2.9 Check whether the hydraulic system of the machine tool meets the requirements of 4.2.11. 5.2.10 Check whether the lubrication system of the machine tool meets the requirements of 4.2.12. 5.2.11 Check whether the machine tool complies with the provisions of 4.2.13. 5.2.12 Check whether the processing area of ??the machine tool has protective devices or protective measures to prevent chips, tools, workpieces and coolant from flying out. 5.2.13 Check whether the machine tool complies with the provisions of 4.2.15. 5.3 Assessment of electrical safety requirements and measures
5.3.1 Electrical equipment shall be protected in accordance with the provisions of Chapter 20 of GB/T5226.1-1996 to protect the continuity, insulation resistance, withstand voltage and residual voltage of the grounding circuit. Protection and functional testing. 5.3.2 Evaluate whether the electrical system meets the requirements of 4.3. 5.4 Assessment of machine tool noise
Check whether the machine tool noise complies with the provisions of 4.4. 5.5 Assessment of whether the machine tool has taken measures according to ergonomic principles 5.5.1 Check whether the machine tool handwheel and handle control force meet the requirements of 4.5.1. 5.5.2 Check whether the installation height of the machine tool operating handle meets the requirements of 4.5.2. 5.5.3 Check whether the installation height of the machine tool reading mechanism complies with the provisions of 4.5.3. 5.5.4 Check whether the machine tool lighting device complies with the provisions of 4.5.4. 5.5.5 Check whether the operating direction of the machine tool control device complies with the provisions of 4.5.5. 5.6. Evaluation of safety protection devices, safety signs and safety colors. Evaluate whether the safety protection devices, safety signs and safety colors of machine tools comply with the provisions of 4.6. 5.7 Assessment of usage information
Evaluate whether the usage information complies with the provisions of 4.7. 6 Responsibilities
6.1 The manufacturer should provide operating instructions for each machine tool. The machine tool 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. 5 | | tt | | JB10166-2000 | | tt | . 6.4 The user is responsible for the dangers caused by failure to install, operate and maintain the machine tool surface in accordance with the instruction manual.
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