Product Description
Product Description:
For a complex underground or mix, of a composition varying between rock with low resistance and medium resistance, our pipe jacking machine excavation chamber is equipped with a cone crusher. From the cutter head excavation the clod and stones enter into the crushing chamber, to be crushed by a secondary crushing device, the cross arm in the process of rotation breaks the debris, reduce to minimum diameter to fit the outlet line, simultaneously mixed with water for slurry excavation.
| Technical Specification | |||||||||
| Type | DxL(mm) | (T) | (KWxSet) | (KN.m) | (rimin) | (TxSet) | (°) | (Kw) | (mm) |
| Exemal Dimension |
Weght | Power | Torque | RPM | Steering jacks |
Correction Angle |
Steering Pump Station |
Suny Pipe Dam |
|
| NPD8008 | 1571×3800 | 6 | 22×1 | 38 | 4.58 | 48×4 | 2.5 | 3 | 100 |
| NPD1000B | 1220×3800 | 7 | 30×1 | 45.2 | 4.58 | 48×4 | 3 | 3 | 100 |
| NPD1200B | 1460×3800 | 9.5 | 22×2 | 152 | 2.27 | 63×4 | 2.7 | 3 | 100 |
| NPD1350B | 1640×3800 | 12 | 22×2 | 152 | 2.29 | 63×4 | 2.7 | 4 | 100 |
| NPD1500B | 1820×4100 | 16.5 | 30×2 | 238 | 1.73 | 80×4 | 2.7 | 4 | 100 |
| NPD1650B | 2000×4000 | 19 | 30×2 | 238 | 1.73 | 80×4 | 2.7 | 4 | 100 |
| NPD1800B | 2180×4400 | 24 | 30×3 | 406.8 | 1.53 | 63×8 | 2.7 | 4 | 100 |
| NPD2000B | 2420×4400 | 26 | 30×3 | 406.8 | 1.53 | 80×8 | 2.7 | 7.5 | 150 |
| NPD220OB | 2660×4400 | 30 | 30×3 | 406.8 | 1.53 | 80×8 | 2.7 | 7.5 | 150 |
| NPD2400B | 2900×4700 | 40 | 30×4 | 723 | 1.15 | 120×8 | 3 | 7.5 | 150 |
| NPD2600B | 3140×4700 | 43 | 30×4 | 723 | 1.15 | 120×8 | 3 | 7.5 | 150 |
| NPD2800B | 3380×4700 | 55 | 30×6 | 1300 | 0.92 | 120×8 | 3 | 1.5 | 150 |
| NPD3000B | 3620×5400 | 68 | 30×6 | 1300 | 0.92 | 200×8 | 3 | 15 | 150 |
| NPD3500B | 4180×5400 | 76 | 30×8 | 1808 | 0.92 | 200×8 | 3 | 15 | 150 |
| NPD4000B | 4840×5600 | 90 | 30×8 | 2160 | 0.76 | 200×8 | 3 | 15 | 150 |
Application Scope:
Gravel, Limestone,Cobblestone,Mix etc.
Main Features:
The cutter head adopts cross arm structure , greatly improves the speed into slurry chamber, besides, the cross arm includes high pressure water nozzle and improves hardness of the excavation face and the efficiency.
In addition to the body adding welding wear layer, the wear resistance layer height 3-5mm, hardness above HRC56, the tungsten carbide welding adopts silver blade brazing and greatly improves CZPT strength of cutting tools, brazing strength over 245Mpa
Advantage:
The advantages of our equipment
1.The shell thickness is not less than 25mm so as to avoid any deformation. It is made as a whole part, not pieced together.
2. Power Box:
2.1 The main axle material is 42CrMo and its gear never breaks.
2.2 Good sealing ensures that mud water will not enter the power box.
2.3 Use of ultrasonic flaw detection ensure no occurrence of cracks and achieve triple flaw detection.
2.4 It’s a complex processing from rough finish, forging, heat treatment, flaw detection to fine finishing and chroming.
3. PLC electronic control system
3.1 Xihu (West Lake) Dis.nized design with USB interface under control desk (console) for charging
3.2 PLC program is programmed with motor protection and 5-second delay for fast stop under both clockwise and counterclockwise motor running so that the gear will not be broken for sake of gear protection.
3.3 PLC intelligent control can take a three-day record of operator’s deviation correction in case of unnecessary dispute after any accident.
4 Hydraulic valves.
4.1 The hydraulic valve Brand is BMEG, with good hydraulic stability.
4.2 Hydraulic lock ensures no pressure release.
4.3 Separate hydraulic stations, motor, pump ,oil tank separated for easy maintenance.
Technical Advantage:
1. Main drive can be driven by a hydraulic motor, with high torque, high reliability, power and technical parameters are based on Herrenknecht and MTS.
2. Main drives adopts Swing bearing design, it has the same design and function as Herrenknecht and MTS, but with low-cost value.
3. Backup system adopts automatic guidance system as similar as VMT
Tunneling Data Acquisition and Recording System
Packaging & Shipping
Nude Packing
Delivery Detail:
60 days after receiving 30% deposit.
Our Services:
1.After sales services: overseas commissioning engineer available for testing and installation.
2.Working services: overseas commissioning working team for whole pipe jacking construction.
3.On site service support;
4.12months warranty;
5. Permanent service support,
6. Communicate through web services, Phone, E-mail, Whatsapp,Wechat, Linkedin etc.
7. 24/7 Hot-line & E-mail Service.
8.Your inquiry related to our pipe jacking machine will be replied within 24 hours. Well-trained and experienced staff will answer all your questions in fluent English.
Warranty:
If quality & assembling problem cause troubles, we take responsible on spare parts and all service fees.
If misusage or human factors cause the trouble, users shall take responsibility on spare parts and all service fees.
ZheJiang Xuanxuan Heavy Machinery Co., Ltd. is affiliated with Weiqiang Group.It’s located in HangZhou city,ZheJiang Province, it is located in the center of the Yangtze River Delta, the north part close to Yangtze River, the south part close to Lake Xihu (West Lake) Dis., and East part is close to the East China Sea. That is the birthplace of modern Chinese industrial, modern equipment manufacturing city. It Has a superior geographical advantage with convenient land and sea and air transportation conditions.
WeiQiang group was founded in 1989,More than 30 years of history, now,It Consists of several companies, such as Weiqiang Chemical, Weiqiang machinery, XuanXuan heavy Machinery, it was assessed as “private technology enterprises in HangZhou City”,”High-tech enterprises in ZheJiang Province ” Private science and technology enterprises in ZheJiang province “.
ZheJiang Xuan Xuan Heavy Machinery Co., Ltd. professional design and manufacture trenchless engineering equipment, integrate Product development, manufacturing, marketing and after-sales service. Products include multi-series slurry pipe jacking machine, pipe jacking equipment and spare parts. Mixed pipe jacking machine, EPB(Earth Pressure Balance pipe jacking machine),GBM (Xihu (West Lake) Dis. Boring Machine/ Auger Boring Machine) Casing oscillator etc. from 300mm to 4000mm MTBM(Micro Tunneling Boring Machine).
The company attaches great importance to the development of new technology and new products. In recent years, vigorously invested in the non-excavation pipe jacking equipment hydraulic systems, and had done a lot of fruitful work. It has successfully developed a slurry balance, earth pressure balance , rock pipe jacking machine, auger boring machine and series of multi-type excavation products, It has been a successful application in job sites.
The company attaches great importance to product quality management, and establish a standardized and systematic quality management platform, strict requirements, excellence, our goal is to provide customers with high-quality engineering equipment. Company will provide high-quality pre-sale, sale, after-sales service,Companies to provide high-quality pre-sale, sale, after-sales service, At any time, provide product consulting, use guidance, etc.
Adhering to the service purposes of “active”, professional specialization, efficiency first ” we aim to provide quality products and excellent service to our customers. To achieve the expectations of customers and exceed goals of industry standard.
Xuanxuan heavy industry Machinery Co., Ltd. based on long-term development strategy, follow the product concept, and vigorously promote scientific and technological innovation, continuing to provide customers with quality products and services.
FAQ:
In order for you to get a better price and technical solutions. Please provide the following required parameters:
1. Project total length, distance for 1 section, how many sections will be built?
2. Pipe type: CRP/RCC concrete pipe or steel pipe etc, pipe drawing or pipe dimension such as pipe length ? spigot size? outer and inner diameter ?
3. Projects information: water supply, sewage project?
4. Underground water level;
5. SI (Soil Investigation), detailed soil information.
6. Project Drawing
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| Gear Reducers: | Brevini, Bonfiglioli, Italy |
|---|---|
| PLC Program Controller: | Mit Subishi, Japan |
| Touch Screen: | Mit Subishi, Japan |
| Steering Solenoid Valve: | Yuken, Japan |
| Electric Motor: | Siemens |
| Main Electrical Components: | Schneider |
| Customization: |
Available
| Customized Request |
|---|
Types of Ball Bearings
There are several types of ball bearings: Double-row angular contact, Four-point contact, Self-aligning, and Ceramic hybrid. Here’s a brief description of each. For more information, read our article about Double-row angular contact ball bearings. You’ll be better informed about how they’re made. Also, learn about how the cages that hold the balls in place are secured with rivets.
Double-row, angular-contact bearing
Double-row, angular-contact ball bearings are similar in their contact surfaces in one direction, and the two pairs of bearings are installed axially opposite to one another. This design allows them to support combined loads in axial and radial directions. These types of bearings are used for high-precision, high-speed applications. They can be used in everything from turbines to dentistry equipment. Double-row, angular-contact bearings are available at Grainger, as are single-row versions.
Double-row, angular-contact ball bearings are a popular option for applications where high precision and high speed are required. The design features of these bearings are ideal for applications with axial space restrictions. In contrast, they are smaller than two single-row angular-contact bearings and are available in steel, polyamide, or brass cages. Whether you need a cage for high speed or hard operating conditions is up to you. If you are unsure about the right cage for your application, contact Schaeffler.
Single-row angular-contact ball bearings are the most common type of bearings. Double-row bearings are also available with a shielded outer ring, which protects the balls inside the bearing from external contaminants. Because these double-row bearings are a good choice for applications requiring high performance, they are often the most affordable option. They offer similar performance as single-row bearings but are much more rigid.
Preloading is a key performance characteristic for double-row angular-contact ball bearings. Preloading can decrease the service life of double-row angular-contact ball bearings by up to 380 percent. Alternatively, you can preload double-row angular-contact ball bearings by placing spacers between their outer rings. Good double-row angular-contact bearing installation will increase working accuracy and bearing life.
Four-point contact ball bearing
The Four Point Contact Ball Bearing Market can be segmented into three types: 35 Degree, 45 Degree, and Other. The 35 Degree segment is expected to witness the fastest growth over the next few years, owing to its increased operational speed and competence in axial and radial axis load handling. Other types of four-point contact ball bearings include the Miniature and Deep Groove varieties. These are widely used in automobiles, aerospace, and other industries.
These bearings are designed for oil-free screw compressors, and they feature an outer-ring guided brass cage to reduce friction and increase running accuracy. In addition, they have lower maintenance costs compared to conventional bearings. However, they have a higher mean roughness value than their counterparts. High-speed operations require high-speed bearings that can withstand fast speed changes. This is because of the higher friction rate, which results from four-point contact.
The Four-Point Contact Ball Bearing is a highly versatile product, as it can handle radial, thrust, and moment loads. Because of this, it is often the first choice for slow to moderate-speed applications. This design also has a simplified assembly process, requiring only a single double-half-turn to install. It is the first choice of many automotive OEMs because it is extremely efficient. If you want a ball bearing with these benefits, you should contact a local bearing company.
The Four-Point Contact Ball Bearing Market will continue to grow despite a tough economy and volatile trade conditions. Demand for automotive and aerospace components is expected to grow alongside a variety of technological advancements. Meanwhile, demand for energy-efficient products will continue to increase with changes in trade policy, an imbalance in the supply-side ecosystem, and geopolitical risk. And while all these factors will continue to drive the market growth, a few challenges are worth considering.
The Four-Point Contact Bearing is designed with the same basic structure as its two-point counterpart. In a four-point contact ball bearing, one ball can have four distinct points of contact with two rings. Two of these contact points may be in diagonal position. The two remaining contact points change position and accommodate radial loads. Consequently, the Four-Point Contact Bearing is more flexible and robust than its two-point counterparts.
Self-aligning ball bearing
The self-aligning ball bearing is an incredibly useful tool in many industries. This type of bearing has a sealing lip that makes contact with a smooth chamfer on the inner ring. Because of the self-aligning nature of these bearings, they are not prone to misalignment. They can withstand temperatures ranging from -30°C to 120°C and should not be heated prior to installation.
A self-aligning ball bearing is an elastomer-based spherical-shaped bearing with two rows of rolling elements. These bearings can accommodate large radial loads, and their outer ring raceway is curved to provide a spherical effect. The inner ring, or cage, can be either cylindrical or conical. The inner diameter of a self-aligning ball bearing is normally cylindrical, but some are conical. They typically have three oil holes.
When choosing a self-aligning ball bearing, look for a model with a large enough bearing diameter to accommodate the shaft’s bending. Self-aligning bearings may also be interchangeable with standard ball bearing assemblies. You can find individual values in manufacturer catalogues. These bearings are useful in limited applications, although they are not necessarily ideal for everything. For example, in applications where combined loads are the main concern, self-aligning ball bearings should only be used if the application requires minimal misalignment.
A self-aligning ball bearing is a highly-efficient, energy-efficient solution for a variety of applications. It is a simple, low-maintenance solution that makes your life easier. Its unique outer raceway allows restraining springs to absorb the deflection that is common in other bearings. The result is a cooler, smoother running vehicle. It also helps prevent misalignment, which makes it ideal for use in many applications.
The SKF self-aligning ball bearing is an excellent choice for applications involving heavy deflection of the shaft. They are the lowest-friction bearing available. Their steel plate reinforced seals prevent them from separating from the shaft during operation. They are also resistant to oil, making them the perfect solution for high-speed applications. In addition to this, they are designed to work in a wide range of temperatures.
Ceramic hybrid ball bearing
A hybrid ball bearing made from a combination of steel and ceramics is a good option for high-speed applications requiring electrical isolation. This combination offers an extended lifespan and minimal electrical corrosion or seizure risk. In addition, the hybrid ball bearings have less friction than steel bearings and can operate at low speeds. To learn more about this hybrid type of bearing, continue reading. We’ll also discuss how it can help your application.
Full ceramic balls are generally harder than steel, but they do have lower density, meaning they’re not subject to the same high centrifugal forces as steel balls. These benefits make ceramic ball bearings much more durable, with long lifespans. Both full and hybrid ceramic ball bearings are available from CZPT. Read on to learn more about each type. Here’s a look at some of the benefits of each. You’ll be pleasantly surprised.
A hybrid ball bearing consists of steel inner and outer rings and a ceramic ball. It can withstand high speeds and loads, but it’s also designed to operate in extreme temperatures. This hybrid ball bearing also requires minimal lubrication and is suitable for a variety of applications. Because of its unique characteristics, hybrid bearings are lightweight and hard, and they spin faster than steel balls. But how do you choose the right one for your application?
A ceramic ball bearing is better than a steel one for many applications. Its greater speed capability and lower friction allow it to operate at higher speeds than steel balls. It is also less sensitive to fluctuations in lubrication conditions than steel balls. They also tend to be cheaper, so it makes sense to invest in one. It’s worth your while. They last longer, and they don’t require a run-in period.
A hybrid ball bearing is the best choice for electric spindles with high speed and heavy loads. A hybrid ceramic ball bearing has the advantage of low heat and high stiffness, and can operate at high speeds and loads. This thesis explores the dynamic characteristics of a hybrid ceramic ball bearing, including analysis calculations and experiment verification. The results provide reliable data and lay the foundation for professional spindle optimum design tests. It is a worthy addition to any machine shop.
editor by CX 2024-04-17