2 Best Ways to Learn Safety Protection Analysis of Bending Process

o processo de dobra de chapa não está apenas diretamente relacionado ao bom andamento do plano de produção da empresa, mas também tem um impacto muito importante nos benefícios econômicos da empresa. Portanto, as questões de segurança do processo de dobra de chapas têm recebido cada vez mais atenção das empresas e da sociedade. Para o pessoal de gestão da produção da empresa, em todo o processo de produção, não só deve prestar atenção à segurança do operador da máquina de dobrar, mas também realizar uma inspeção abrangente das fontes de perigo que afetam a máquina de dobrar e propor as proteções de segurança correspondentes . Medidas para acompanhar a segurança dos trabalhadores da linha de frente na oficina.

Análise perigosa of Bending Process

Analysis of Bending Process In the entire production process of an enterprise, a qualified production manager must pay attention to the personal safety of employees, because the most important thing in the production process is safety. Generally speaking, the hazards during the operation of the bending machine mainly include mechanical damage and electrical damage.

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1. Problema de lesão mecânica

Lesão mecânica refere-se a um acidente mecânico que ocorre quando a energia mecânica é liberada acidentalmente. Existem muitas fontes de perigo e também é o ferimento mais vulnerável aos operadores de dobra durante o processo de produção. Os principais riscos de lesão mecânica são os seguintes:

• O operador da máquina de dobrar não deve esticar uma determinada parte de seu corpo entre os moldes superior e inferior em nenhuma circunstância, como quando ele estica a mão entre os moldes superior e inferior para ajustar o posicionamento. Porque quando o operador estica a mão entre os moldes superior e inferior, o molde superior ou o posicionamento traseiro da dobradeira pode colidir com suas mãos, o que representa uma ameaça à segurança pessoal.

• Due to the wide variety of parts for bending operations, when the processing size of the parts is large or heavy, two people need to cooperate to complete the bending operation of the product. At the same time, two operators are required to simultaneously push the product to the designated position. When pushing the parts, two people must complete it at the same time. There are great requirements for the cooperation ability of the operators between people and people and machines. The probability of accidents increases, and the parts are very likely to collide with their heads during the process of falling. Threat to life safety. Analysis of Bending Process

• Quando a máquina de dobra está em uso, o interruptor de pedal de controle é usado para empurrar as peças manualmente, e os moldes superior e inferior are moved under the action of hydraulic pressure, so as to achieve the requirements for the bending of the parts. When bending small parts or the size of the parts is smaller than the upper die of the bending machine, due to the incorrect bending gesture, the operator’s hand will be clamped between the upper die and the part inadvertently. Analysis of Bending Process

• Durante toda a operação da dobradeira, também é necessário evitar o empilhamento excessivamente alto de materiais na dobradeira, o que pode causar a queda de peças e machucar pernas ou pés. Além disso, ao colocar os materiais, não deve ficar muito perto da máquina de dobrar para evitar que as peças arranhem os trabalhadores quando se virarem.
• Quando a operação da dobradeira por duas pessoas, se a chave de pé duplo não estiver ligada, pode acontecer que uma pessoa comece a pisar na chave de pé enquanto a outra ainda está ajustando a posição da peça, fazendo com que a peça coçar o operador e a parte para atingir o queixo do operador. Doença. Além disso, no processo de empurrar as peças, como as bordas de algumas peças podem ser relativamente afiadas, a mão do inspetor pode ser arranhada.
• A dobra, como processo intermediário, é o processo de cisalhamento e puncionamento do rolamento superior, seguido pelos processos de colagem, soldagem e montagem. Após a conclusão do processo anterior, ele precisa ser içado para o processo de dobra para operações de dobra, ou o produto é colocado em um palete ou carrinho após a dobra do produto ser concluída e é enviado para o próximo processo de produção, e o içamento e o transporte são colocados No processo, as peças caem e machucam ou esmagam pessoas.

2. Dano elétrico

Among the operating accidents of the bending machine, the accident with the highest mortality rate is caused by electrical injury, which is the most direct harm to the human body, and the hazards of this kind of injury are mainly manifested in the following aspects. Analysis of Bending Process

• No processo de operação da dobradeira, devido à má qualidade das ferramentas e instrumentos utilizados pelo pessoal, é muito provável que cause um acidente por choque elétrico. Além disso, os motores e as instalações de iluminação emitem uma grande quantidade de energia térmica após serem energizados e os operadores podem se queimar se não prestarem atenção.
• Some wires on the bending machine may be damaged due to the use of too long. In the case where the wire is partially exposed, the operator of the bending machine or equipment maintenance personnel is very likely to get an electric shock due to the damage of the wire. Analysis of Bending Process
• Os operadores da máquina de dobra receberão choques elétricos quando operarem ilegalmente o equipamento elétrico. Além disso, no processo de movimento contínuo do ar ao redor do equipamento elétrico, uma grande quantidade de eletricidade estática pode causar o aparecimento de faíscas elétricas, que podem causar incêndios.

Análise de Proteção de Segurança

Análise de proteção contra danos mecânicos

• From the perspective of prior protection work, the operator of the bending machine must first do a series of protection work before proceeding, such as wearing non-slip shoes, gloves, and safety helmets. In addition, the operators in the previous process must deburr the large burrs on the bending parts. Analysis of Bending Process
• Standardization of the safe production process of the bending machine, formulate relevant procedures in the production of the bending process and the transportation of its parts, such as safe operation procedures for mechanical handling and lifting operations, safe operation procedures for the use of parts transportation and storage, and formulate bending operations in the operation of the machine Guidance documents, such as instructions, enable operators to use tools and machines correctly and ensure their own safety. Analysis of Bending Process
• Garantir a segurança e proteção da colocação das peças a serem dobradas e acabadas, o operador deve se concentrar em manter a sincronização homem-máquina, sendo que a área de trabalho de dobra é separada por guarda-corpos.
• Durante toda a operação da dobradeira, também é necessário evitar o empilhamento excessivamente alto de materiais na dobradeira, o que pode causar a queda de peças e machucar pernas ou pés. Além disso, ao colocar os materiais, não deve ficar muito perto da máquina de dobrar para evitar que as peças arranhem os trabalhadores quando se virarem.

On the top of the bending machine, a hazard source information board was posted on the bending production site. The board clearly pointed out the hidden safety hazards in the bending work area and pointed out that improper operation of the bending machine could easily bring harm to the operators themselves and the parts handling process. Injuries to other people passing by; analysis of hazard sources in the bending operation area, pointed out that the door panels and other parts are longer and heavier, the parts are raised and lowered too fast during bending, and the operator is not paying attention to the bending machine Whether there is someone behind it is the main reason. Analysis of Bending Process

Análise de proteção contra danos elétricos

• The operator of the bending machine must wear insulation equipment when conducting electrical inspections. During the inspection, illegal operations are strictly prohibited. When checking the electrical insulation and equipment grounding, you must carefully check in advance whether the wire is damaged or leaking. Once you find such a situation, you need to stop the inspection immediately. Analysis of Bending Process

• When checking the circuit and the instrument, make sure that the power supply is in a disconnected state. In order to reduce the risk of inspection, red warning signs must be posted on the surrounding guardrails. During the inspection, try not to use temporary power and circuits to prevent leakage and fire. Analysis of Bending Process

• It is necessary to post comics and text descriptions of the safety precautions for bending operations on the top of the bending machine, and to indicate the switch status of the photoelectric device of the bending machine to increase the effect of information board management. Analysis of Bending Process

In short, there are many hidden safety hazards in the production process of the bending process. We must have full knowledge and understanding of the existing hazards and take the initiative to protect ourselves. Only in this way can production and work be carried out on the basis of ensuring their own safety. Analysis of Bending Process

When the operator completes sheet metal processing or produces sheet metal parts, he must have a comprehensive study and understanding of the functions of the machinery and machine tools that need to be used, such as the functions, standards, precision of the machine tools, etc., and understand the buttons, The purpose of handles and switches and how to operate, etc. Sheet metal processing should pay great attention to safe operation during the bending operation. The safe operation has detailed specifications. It is not just that there is no risk of operation. Analysis of Bending Process

It is necessary to cultivate understanding in the mind and cultivate the plan in the actual operation, especially For those who are engaged in the operation of sheet metal machine tools, in addition to complying with the basic process operating rules, they must also comply with some other auxiliary tool process rules; usually, one person operates one machine if it appears that multiple people operate one machine Attention should be paid to the division of labor, and the irregular and idle operation of the machine cannot be carried out at will. Analysis of Bending Process

Because the sheet metal process itself is a relatively complex metal processing process; Shenzhen sheet metal processing manufacturers remind you that it is easy to operate by unskilled personnel There are many problems, so if you need more than one person to operate, you should pay attention to the safety of the operators, and then inform them of some problems that need to be paid attention to prevent some confusion and troubles due to unskilledness. Analysis of Bending Process

The bending process is a manufacturing operation used to deform or reshape materials, typically metal sheets or tubes, into specific shapes or angles. This process is commonly used in various industries, including aerospace, automotive, construction, and metal fabrication. Analyzing the bending process involves understanding its key components, methods, equipment, and important considerations. Analysis of Bending Process

Key Components of the Bending Process:

Material Selection: The choice of material plays a critical role in the bending process. Different materials, such as steel, aluminum, or copper, have varying properties and require specific bending techniques and equipment. Analysis of Bending Process

Bending Methods:
a. Press Brake Bending: This is one of the most common methods, where a press brake machine exerts force on the workpiece, causing it to bend around a die or tool.
b. Roll Bending: In roll bending, a set of rolls is used to gradually bend a workpiece into a curve or a circular shape.
c. Tube Bending: Specialized equipment is used to bend tubes or pipes into various angles or shapes, commonly used in plumbing and HVAC systems.

Tooling and Dies: Specific tooling and dies are required for each bending operation. The selection of the die’s shape and size determines the final bent shape.

Equipment: Machines like press brakes, roll benders, or tube bending machines are used to apply force and reshape the material. Analysis of Bending Process

Material Properties: Understanding the material’s mechanical properties, such as yield strength, tensile strength, and elasticity, is crucial in predicting how it will behave during the bending process.

Bend Radius and Angle: The desired bend radius and angle must be precisely defined, as they dictate the tooling and setup required. Analysis of Bending Process

Analysis of the Bending Process: Analysis of Bending Process

Springback: When a material is bent, it tends to partially return to its original shape due to its elastic properties. Calculating and compensating for springback is essential to achieve the desired final shape accurately.

Material Thickness: The thickness of the material affects the bending process, as thicker materials may require higher forces and specialized equipment.

Stress and Strain: Analyzing stress and strain in the material helps ensure that it doesn’t exceed its elastic limits, which could lead to cracks or permanent deformations.

Tool Wear: Over time, tooling and dies can wear out, affecting the quality of the bends. Regular maintenance and replacement are necessary to maintain precision. Analysis of Bending Process

Tolerance and Quality Control: Maintaining tight tolerances and conducting quality checks throughout the bending process are essential to ensure the final product meets specifications.

Material Fracture: Excessive bending force or incorrect tooling can lead to material fracture or cracks. Analyzing and minimizing the risk of fracture is critical.

Cost Analysis: Assessing the cost-effectiveness of the bending process, including equipment, labor, and material costs, is crucial in manufacturing decisions.

Environmental Impact: Understanding the environmental impact of the bending process, including energy consumption and waste generation, is becoming increasingly important in modern manufacturing.

In summary, the analysis of the bending process involves a comprehensive understanding of material properties, equipment selection, tooling, quality control, and cost considerations. Proper analysis and optimization of these factors are essential for producing high-quality bent components while minimizing waste and cost.

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Tempo estimado de leitura: 10 minuto