제품 설명

제품명

Truck front lower protection left bracket

Casting method
 
Sand casting-clay sand
Model number
 
2857121-DM637
Net weight
 
26.5lb
재료
 
Ductile iron/ISO standard:450-10
Technical standard
 
Q/CAM-286
EXW price
 
 US$20.4

 

사양 고객이 제공한 도면 또는 샘플에 따라 제작합니다.
캐스팅 무게 0.1kg-3톤
주조 표준 ISO, DIN, AISI, ASTM, BS, JIS 등 
주조 공차 CT7-CT8.
표면 거칠기 Ra0.05-Ra50.
열처리 노멀라이징, 어닐링, 퀜칭, 템퍼링 등
주조 재료 고품질 연성 주철(QT1050-6)/(QT800-5)/(QT600-5), 회주철, 스테인리스강, 탄소강.
주조 공정 모래 주조 철 기반 코팅 모래
코팅된 모래
점토 모래
레진 모래
투자 주조
로스트폼 캐스팅
진공 공정 주조
표면 준비 샌드 블라스팅, 도금, 아연 도금, 스프레이 페인트, 부동태 처리, 연마, 전기영동, 기계 가공 등
검사 장비 시험 장비: 스펙트럼 분석기, 육각형 CMM, 경도 시험기, 인장 시험기, 전기 도금 시험기, 금속 현미경.
치수 검사 좌표 측정기(CMM), 캘리퍼, 높이 게이지, 마이크로미터 캘리퍼, 내경 캘리퍼 게이지, 각도 및 R 게이지, 맞춤형 게이지 등
제품 적용 당사 제품은 자동차, 트럭, 기차, 철도, 운동기구, 농기계, 광산기계, 석유 기계, 건설 기계, 조선, 건설 및 기타 동력 장비와 같은 다양한 산업 분야에서 널리 사용되고 있습니다.
샘플 생산 주기 30~45 영업일.


WIDE APPLICATION OF PRODUCTS

The castings produced by CZPT are widely used in various industries,such as construction vehicles, trains, railways, forklifts, agricultural machinery and other mechanical equipment. We can produce all kinds of castings according to customer’s drawings and customer’s requirements.

저희 회사는 고객 여러분의 다양한 요구를 충족할 수 있는 다채로운 제품을 제공합니다. 창립 이래 "품질 우선, 고객 우선, 신뢰"라는 경영 이념을 고수하며 고객의 잠재적 요구를 만족시키기 위해 항상 최선을 다하고 있습니다. 경제 세계화라는 흐름이 거스를 수 없는 속도로 진행됨에 따라, 저희 회사는 CZPT(고객 만족, 품질, 신뢰성)를 실현하기 위해 전 세계 기업들과 진심으로 협력하고자 합니다.

1. 귀사는 공장입니까, 아니면 무역 회사입니까? 가격 경쟁력이 있습니까?
우선, CZPT는 주조 제조업체입니다. 저희는 진정한 원스톱 서비스를 제공합니다. 고객께서 구매하시는 제품은 저희 공장에서 직접 생산됩니다. 따라서 저희 제품 가격은 무역 원가 대비 5%에서 10%까지 인하되었습니다. 저희 가격은 절대적으로 경쟁력이 있습니다.

2. 어떻게 정시 배송을 보장할 수 있습니까?
새로운 주문이 들어올 때마다 각 부서는 회의를 열어 엄격한 생산 계획을 수립하고, 원자재 공급, 생산 계획 배분 등을 실행합니다. 또한, 대기업과의 협력은 당사의 배송 시스템 개선에도 기여해 왔습니다.

3. 귀사 제품의 품질은 어떻게 보장하십니까?
우선, 제품 원자재에 대한 품질 검사를 실시하여 기준을 충족하는지 확인합니다. 그런 다음 제품 생산 과정에서 필요한 테스트와 검사를 진행합니다. 또한, 중국제1자동차공업 항저우 지점의 70% 트럭 주조품은 보타이에서 생산하고 있으며, 이는 당사 제품의 품질을 더욱 입증하는 것입니다.

4. 어떻게 견적을 내드릴까요?

보유하고 계신 모든 기술 도면을 첨부하여 이메일로 문의해 주십시오. 재질 등급, 공차, 가공 요구 사항, 표면 처리, 열처리, 기계적 특성 요구 사항 등을 포함해 주시면 전문 엔지니어가 검토 후 견적을 제공해 드리겠습니다. 3~5영업일 이내 또는 그보다 더 빨리 답변드리겠습니다. 

5. 구매한 제품은 어떤 산업 분야에 적용되나요?
저희는 전문 OEM 제조업체입니다. 저희 제품은 지게차, 트럭, 기차, 기계, 광업, 건설, 식품 및 기타 산업 분야에서 널리 사용되고 있습니다. 필요한 부품이 있으시면 언제든지 생산하여 공급해 드릴 수 있습니다.

 

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.

Angular contact

베어링
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

베어링
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

베어링
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.

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