Descrição do produto
Peças de metalurgia do pó de excelente qualidade, peças metálicas sinterizadas.
Podemos oferecer diversas peças de metalurgia do pó, incluindo peças à base de ferro e cobre, com a mais alta qualidade e o melhor preço. Basta nos enviar o desenho ou a amostra, e nós as produziremos de acordo com as suas especificações. Se tiver interesse em nossos produtos, não hesite em nos contatar. Teremos prazer em oferecer a melhor qualidade e o melhor serviço. Obrigado!
Como trabalhamos com nossos clientes?
1. Para um especialista em design ou uma grande empresa com sua própria equipe de engenharia: preferimos receber um pacote completo de solicitação de cotação (RFQ), incluindo desenho, modelo 3D, quantidade e imagens;
2. Para o dono de uma startup ou um novato na área de engenharia: basta enviar uma ideia que você queira testar, você nem precisa saber o que é fundição;
3. Nossa equipe de vendas entrará em contato com você em até 24 horas para confirmar mais detalhes e fornecer o prazo estimado de entrega;
4. Nossa equipe de engenharia avaliará sua solicitação e nos enviará uma proposta dentro de 1 a 3 dias úteis.
5. Podemos agendar uma reunião de comunicação técnica entre você e nossos engenheiros a qualquer momento, se necessário.
| Local de origem: | Jangsu, China |
| Tipo: | sinterização por metalurgia do pó |
| Tipo de peças de reposição: | Peças de metalurgia do pó |
| Relatório de teste de máquinas: | Oferecido |
| Material: | Ferro, aço inoxidável, cobre |
| Principais argumentos de venda: | Garantia de qualidade |
| Tipo de molde: | Aço tungstênio |
| Padrão de material: | MPIF 35, DIN 3571, JIS Z 2550 |
| Aplicativo: | Eletrodomésticos pequenos, fechaduras, ferramentas elétricas, automóveis. |
| Nome da marca: | SERVIÇO OEM |
| Revestimento: | Personalizado |
| Serviço pós-venda: | Suporte online |
| Processamento: | Metalurgia do Pó, Usinagem CNC |
| Metalurgia do Pó: | Têmpera por alta frequência, imersão em óleo |
| Controle de qualidade: | Inspeção 100% |
As vantagens do processo de metalurgia do pó
1. Custo-benefício
Os produtos finais podem ser compactados pelo método de metalurgia do pó, não necessitando ou podendo encurtar o processamento com máquinas. Isso permite economizar muito material e reduzir o custo de produção.
2. Formas complexas
A metalurgia do pó permite obter formas complexas diretamente das ferramentas de compactação, sem qualquer operação de usinagem, como dentes, estrias, perfis, geometrias frontais, etc.
3. Alta precisão
As tolerâncias alcançáveis na direção perpendicular à compactação são tipicamente IT 8-9 após a sinterização, podendo ser melhoradas para IT 5-7 após o dimensionamento. Operações adicionais de usinagem podem aprimorar a precisão.
4. Autolubrificação
A porosidade interconectada do material pode ser preenchida com óleos, obtendo-se assim um rolamento autolubrificante: o óleo proporciona lubrificação constante entre o rolamento e o eixo, e o sistema não necessita de qualquer lubrificante externo adicional.
5. Tecnologia verde
O processo de fabricação de componentes sinterizados é certificado como ecológico, pois gera muito pouco desperdício de material, o produto é reciclável e apresenta boa eficiência energética, uma vez que o material não é fundido.
Perguntas frequentes
P1: Qual é o tipo de pagamento?
A: Normalmente, você deve pagar antecipadamente 50% do valor total. O saldo deve ser pago antes do envio.
Q2: Como garantir a alta qualidade?
A: Inspeção 100%. Possuímos equipamentos de teste de alta precisão da Carl Zeiss e um departamento de testes para garantir que todos os produtos atendam aos padrões de tamanho, aparência e pressão.
P3: Em quanto tempo vocês levarão para me responder?
A: Entraremos em contato com você em 12 horas, assim que possível.
Q4. Qual é o prazo de entrega?
R: Geralmente, leva de 25 a 35 dias após o recebimento do seu pagamento antecipado. O prazo de entrega específico depende dos itens e da quantidade do seu pedido. Além disso, se o item não for padronizado, precisamos considerar um prazo adicional de 10 a 15 dias para a fabricação das ferramentas/moldes.
Q5. Vocês conseguem produzir de acordo com as amostras ou desenhos?
A: Sim, podemos produzir com base em suas amostras ou desenhos técnicos. Podemos construir os moldes e dispositivos necessários.
Q6: E quanto ao custo das ferramentas?
A: A taxa de ferramental é cobrada apenas uma vez no primeiro pedido; em pedidos futuros, não haverá cobrança adicional, mesmo em casos de reparo ou manutenção de ferramentas.
Q7: Qual é a sua política de amostra?
A: Podemos fornecer a amostra se tivermos peças prontas em estoque, mas os clientes precisam pagar o custo da amostra e o custo do frete.
Q8: Como vocês fazem para que nosso relacionamento comercial seja duradouro e de qualidade?
A: 1. Mantemos boa qualidade e preços competitivos para garantir que nossos clientes se beneficiem;
2. Respeitamos cada cliente como nosso amigo e fazemos negócios e amizades com sinceridade, independentemente de sua origem.
How to Replace a Bearing
If you want to select a bearing for a specific application, you should know a few basics. This article will give you an overview of ball, angular contact, and sliding-contact bearings. You can choose a bearing according to the application based on the characteristics of its material and preload. If you are not sure how to choose a bearing, try experimenting with it. The next step is to understand the Z-axis, which is the axes along which the bearing moves.
Z axis
When it comes to replacing your Z axis bearing, there are several things you must know. First, you need to make sure that the bearings are seated correctly. Then, you should check the tension and rotation of each one. To ensure that both bearings are equally tensioned, you should flex the Core to the desired angle. This will keep the Z axis perpendicular to the work surface. To do this, first remove the Z axis bearing from its housing and insert it into the Z axis motor plate. Next, insert the flanged bearing into the Z axis motor plate and secure it with 2 M5x8mm button head cap screws.
Make sure that the bearing plate and the Z Coupler part are flush and have equal spacing. The spacing between the 2 parts is important, as too much spacing will cause the leadscrew to become tight. The screws should be very loose, with the exception of the ones that engage the nylocks. After installing the bearing, the next step is to start the Z axis. Once this is done, you’ll be able to move it around with a stepper.
Contato angular
Ball bearings are made with angular contacts that result in an angle between the bearing’s races. While the axial load moves in 1 direction through the bearing, the radial load follows a curved path, tending to separate the races axially. In order to minimize this frictional effect, angular contact bearings are designed with the same contact angle on the inner and outer races. The contact angle must be chosen to match the relative proportions of the axial and radial loads. Generally, a larger contact angle supports a higher axial load, while reducing radial load.
Ball bearings are the most common type of angular contact bearings. Angular contact ball bearings are used in many applications, but their primary purpose is in the spindle of a machine tool. These bearings are suitable for high-speed, precision rotation. Their radial load capacity is proportional to the angular contact angle, so larger contact angles tend to enlarge with speed. Angular contact ball bearings are available in single and double-row configurations.
Angular contact ball bearings are a great choice for applications that involve axial loads and complex shapes. These bearings have raceways on the inner and outer rings and mutual displacement along the axial axis. Their axial load bearing capacity increases as the contact Angle a rises. Angular contact ball bearings can withstand loads up to 5 times their initial weight! For those who are new to bearings, there are many resources online dedicated to the subject.
Despite their complexity, angular contact ball bearings are highly versatile and can be used in a wide range of applications. Their angular contact enables them to withstand moderate radial and thrust loads. Unlike some other bearings, angular contact ball bearings can be positioned in tandem to reduce friction. They also feature a preload mechanism that removes excess play while the bearing is in use.
Angular contact ball bearings are made with different lubricants and cage materials. Standard cages for angular contact ball bearings correspond to Table 1. Some are machined synthetic resins while others are molded polyamide. These cage materials are used to further enhance the bearing’s axial load capacity. Further, angular contact ball bearings can withstand high speeds and radial loads. Compared to radial contact ball bearings, angular contact ball bearings offer the greatest flexibility.
Ball bearings
Ball bearings are circular structures with 2 separate rings. The smaller ring is mounted on a shaft. The inner ring has a groove on the outer diameter that acts as a path for the balls. Both the inner and outer ring surfaces are finished with very high precision and tolerance. The outer ring is the circular structure with the rolling elements. These elements can take many forms. The inner and outer races are generally made of steel or ceramic.
Silicon nitride ceramic balls have good corrosion resistance and lightweight, but are more expensive than aluminum oxide balls. They also exhibit an insulating effect and are self-lubricating. Silicon nitride is also suitable for high-temperature environments. However, this type of material has the disadvantage of wearing out rapidly and is prone to cracking and shattering, as is the case with bearing steel and glass. It’s also less resistant to heat than aluminum oxide, so it’s best to buy aluminum nitride or ceramic ball bearings for applications that are subjected to extremely high temperatures.
Another type of ball bearings is the thrust bearing. It has a special design that accommodates forces in both axial and radial directions. It is also called a bidirectional bearing because its races are side-by-side. Axial ball bearings use a side-by-side design, and axial balls are used when the loads are transmitted through the wheel. However, they have poor axial support and are prone to separating during heavy radial loads.
The basic idea behind ball bearings is to reduce friction. By reducing friction, you’ll be able to transfer more energy, have less erosion, and improve the life of your machine. With today’s advances in technology, ball bearings can perform better than ever before. From iron to steel to plastics, the materials used in bearings have improved dramatically. Bearings may also incorporate an electromagnetic field. So, it’s best to select the right 1 for your machine.
The life expectancy of ball bearings depends on many factors, including the operating speed, lubrication, and temperature. A single million-rpm ball bearing can handle between 1 and 5 million rotations. As long as its surface contact area is as small as possible, it’s likely to be serviceable for at least 1 million rotations. However, the average lifespan of ball bearings depends on the application and operating conditions. Fortunately, most bearings can handle a million or more rotations before they start showing signs of fatigue.
Sliding-contact bearings
The basic principle behind sliding-contact bearings is that 2 surfaces move in contact with 1 another. This type of bearing works best in situations where the surfaces are made of dissimilar materials. For instance, a steel shaft shouldn’t run in a bronze-lined bore, or vice versa. Instead, 1 element should be harder than the other, since wear would concentrate in that area. In addition, abrasive particles tend to force themselves into the softer surface, causing a groove to wear in that part.
Sliding-contact bearings have low coefficients of friction and are commonly used in low-speed applications. Unlike ball and roller bearings, sliding contact bearings have to be lubricated on both sides of the contacting surfaces to minimize wear and tear. Sliding-contact bearings generally are made of ceramics, brass, and polymers. Because of their lower friction, they are less accurate than rolling-element bearings.
Sliding-contact bearings are also known as plain or sleeve bearings. They have a sliding motion between their 2 surfaces, which is reduced by lubrication. This type of bearing is often used in rotary applications and as guide mechanisms. In addition to providing sliding action, sliding-contact bearings are self-lubricating and have high load-carrying capacities. They are typically available in 2 different types: plain bearings and thrust bearings.
Sliding-contact linear bearing systems consist of a moving structure (called the carriage or slide) and the surfaces on which the 2 elements slide. The surfaces on which the bearing and journal move are called rails, ways, or guides. A bore hole is a complex geometry, and a minimum oil film thickness h0 is usually used at the line of centers. It is possible to have a sliding-contact bearing in a pillow block.
Because these bearings are porous, they can absorb 15 to 30% of the lubrication oil. This material is commonly used in automobile and machine tools. Many non-metallic materials are used as bearings. One example is rubber, which offers excellent shock absorbency and embeddability. While rubber has poor strength and thermal conductivity, it is commonly used in deep-well pumps and centrifugal pumps. This material has high impact strength, but is not as rigid as steel.
