China wholesaler 3 Ton Mini Crawler Crane Spider 3t Multifunctional Lifting Cranes

Product Description

Product Description

NUS 3.0A miniature crawler crane, powered by Yangma diesel engine, is A fully proportional intelligent spider crane with remote control. The power and hydraulic system are all made of original parts from Japan, making the power output efficient. CHINAMFG proportional valve is adopted in the system, can according to actual needs, to realize the stepless speed regulating, leg have a key leveling function, eliminating the tedious leg leveling operation, work more efficient, hanging arm, leg and walking to realize self-locking interlock, and install a torque control, makes the equipment operation more secure, especially equipped with step pioneering double speed winding, fast speed, high efficiency.
 

 

Detailed Photos

Adopt double speed winch; Single rate, hook with double speed, speed is 24m/min and 48m/min, winch drum capacity hit 100 meters, especially suitable for high-rise buildings of the object transport.

The lifting arm adopts double oil cylinder, unique design of 5 pieces arm, long extension, short contraction. Under the same lifting weight, the crane volume is smaller (the length of spider crane is 2.9 meters), and it can take the elevator with a load of 3 tons to go upstairs, and it can make the boom to a certain extent of load expansion.

Sensor of outrigger on the ground Each leg is equipped with grounding sensor, when the leg off the ground danger, the machine alarm, stop working.Ensure that the machine will not overturn. The crane arm is equipped with moment limiter, each length shows the corresponding limit of load, to ensure that the crane works under the safe lifting weight, and with the moment limiter together to form a double insurance, It can prevent the rollover accident and prevent overload and damage to the boom.

Interlock system After the lifting arm is reset, the supporting leg and travel can be operated to protect the safety of the crane.

380V electric power and gasoline engine (diesel engine) dual power. In places where the engine cannot be used, it can be dragged by wire for operation (especially in areas where gasoline and diesel are strictly controlled), and it can also be equipped with battery pure electric spider crane.

The outrigger is fixed from multiple angles, and the outrigger can be adjusted and fixed according to the construction environment in the face of different narrow working environment. Legs can be operated independently according to the surrounding environment, or 4 legs can be controlled by remote control at the same time to achieve one-button leveling. Beginners can also operate legs easily, so that the car body is always in a level state.

 

Product Parameters

Model NU3.0
Specification 2.95t*1.3m
Maximum working radius 8.3m*0.14t
Maximum ground lifting height 9.2m
Maximum underground lifting height
Winch device Hook speed 6.5m/min(4)
Rope type Φ8mm×45mm
Telescopic system Boom type Full automatic 5 section
Boom length 2.65m-8.92m
Telescopic length/time 6.36m/26sec
Up and downs Boom angle/time 0°-75°/14 sec
SlKB System SlKB angle/time 360°continuous/40sec
Outrigger System Outrigger active form Automatic for the 1 section,manual adjustment for 2,3 section.
Maximum extended dimensions 3900mm*3750mm
Traction System Working way Hydraulic motor driven,stepless speed change
Working speed 0-2.9Km/h
Ground length×width×2 1571mm*200mm*2
Grade ability 20°
Ground pressure 51Kpa
Safety Devices Air level,Moment limiter(Height limiter),Alarm Device,Emergency Stop Button
System voltage DC12V  
Diesel engine (optional) Type 2TNV70-PYU
Displacement 570ml
Maximum output 7.5kw
Starting method Electric staring
Fuel tank capacity 11L
Operation temperature -5°C-40°C
Battery capacity 12v45Ah
Petrol engine Model Kohler
Displacement 389.2ml
Maximum output 6.6kw
Starting method Recoil start/electric starting
Fuel tank capacity 6L
Operation temperature -5°C-40°C
Battery capacity 12v 36Ah
Electric motor Power suppler voltage AC 380V
Power 4KW
Remote Control Type BOX1.1(optional)
Operation range 100m
Water -proof standard IP67
Dimension Length *width *length 2900mm*800mm*1450mm
Weight Vehicle weight 2050kg
Package size   3200mm*1200mm*1900mm

Packaging & Shipping

 

Product advantange

The plane is full remote control models of 3 tons crawler crane, the function is all ready fuselage compact, hydraulic walking, safety design can prevent wrong operation, to adapt to the rugged outdoors, u-shaped telescopic boom, a weight display, leg sensor protection, high strength, and by using the 3 tons of the company the first winding double speed, high speed, efficient fast, cost-effective.

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After-sales Service: Give The Solution Within 6 Hours
Max. Lifting Height: 9.2m
Rated Loading Capacity: 3ton
Certification: ISO9001, CE
Condition: New
Warranty: 1 Year
Customization:
Available

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Can you explain the role of temperature and pressure in injection molding quality control?

Temperature and pressure are two critical parameters in injection molding that significantly impact the quality control of the process. Let’s explore their roles in more detail:

Temperature:

The temperature in injection molding plays several important roles in ensuring quality control:

1. Material Flow and Fill:

The temperature of the molten plastic material affects its viscosity, or flowability. Higher temperatures reduce the material’s viscosity, allowing it to flow more easily into the mold cavities during the injection phase. Proper temperature control ensures optimal material flow and fill, preventing issues such as short shots, flow marks, or incomplete part filling. Temperature control also helps ensure consistent material properties and dimensional accuracy in the final parts.

2. Melting and Homogenization:

The temperature must be carefully controlled during the melting process to ensure complete melting and homogenization of the plastic material. Insufficient melting can result in unmelted particles or inconsistent material properties, leading to defects in the molded parts. Proper temperature control during the melting phase ensures uniform melting and mixing of additives, enhancing material homogeneity and the overall quality of the molded parts.

3. Cooling and Solidification:

After the molten plastic is injected into the mold, temperature control is crucial during the cooling and solidification phase. Proper cooling rates and uniform cooling help prevent issues such as warping, shrinkage, or part distortion. Controlling the temperature allows for consistent solidification throughout the part, ensuring dimensional stability and minimizing internal stresses. Temperature control also affects the part’s crystallinity and microstructure, which can impact its mechanical properties.

Pressure:

Pressure control is equally important in achieving quality control in injection molding:

1. Material Packing:

During the packing phase of injection molding, pressure is applied to the molten plastic material to compensate for shrinkage as it cools and solidifies. Proper pressure control ensures that the material is adequately packed into the mold cavities, minimizing voids, sinks, or part deformation. Insufficient packing pressure can lead to incomplete filling and poor part quality, while excessive pressure can cause excessive stress, part distortion, or flash.

2. Gate and Flow Control:

The pressure in injection molding influences the flow behavior of the material through the mold. The pressure at the gate, where the molten plastic enters the mold cavity, needs to be carefully controlled. The gate pressure affects the material’s flow rate, filling pattern, and packing efficiency. Optimal gate pressure ensures uniform flow and fill, preventing issues like flow lines, weld lines, or air traps that can compromise part quality.

3. Ejection and Part Release:

Pressure control is essential during the ejection phase to facilitate the easy removal of the molded part from the mold. Adequate ejection pressure helps overcome any adhesion or friction between the part and the mold surfaces, ensuring smooth and damage-free part release. Improper ejection pressure can result in part sticking, part deformation, or mold damage.

4. Process Monitoring and Feedback:

Monitoring and controlling the temperature and pressure parameters in real-time are crucial for quality control. Advanced injection molding machines are equipped with sensors and control systems that continuously monitor temperature and pressure. These systems provide feedback and allow for adjustments during the process to maintain optimum conditions and ensure consistent part quality.

Overall, temperature and pressure control in injection molding are vital for achieving quality control. Proper temperature control ensures optimal material flow, melting, homogenization, cooling, and solidification, while pressure control ensures proper material packing, gate and flow control, ejection, and part release. Monitoring and controlling these parameters throughout the injection molding process contribute to the production of high-quality parts with consistent dimensions, mechanical properties, and surface finish.

Are there specific considerations for choosing injection molded parts in applications with varying environmental conditions or industry standards?

Yes, there are specific considerations to keep in mind when choosing injection molded parts for applications with varying environmental conditions or industry standards. These factors play a crucial role in ensuring that the selected parts can withstand the specific operating conditions and meet the required standards. Here’s a detailed explanation of the considerations for choosing injection molded parts in such applications:

1. Material Selection:

The choice of material for injection molded parts is crucial when considering varying environmental conditions or industry standards. Different materials offer varying levels of resistance to factors such as temperature extremes, UV exposure, chemicals, moisture, or mechanical stress. Understanding the specific environmental conditions and industry requirements is essential in selecting a material that can withstand these conditions while meeting the necessary standards for performance, durability, and safety.

2. Temperature Resistance:

In applications with extreme temperature variations, it is important to choose injection molded parts that can withstand the specific temperature range. Some materials, such as engineering thermoplastics, exhibit excellent high-temperature resistance, while others may be more suitable for low-temperature environments. Consideration should also be given to the potential for thermal expansion or contraction, as it can affect the dimensional stability and overall performance of the parts.

3. Chemical Resistance:

In industries where exposure to chemicals is common, it is critical to select injection molded parts that can resist chemical attack and degradation. Different materials have varying levels of chemical resistance, and it is important to choose a material that is compatible with the specific chemicals present in the application environment. Consideration should also be given to factors such as prolonged exposure, concentration, and frequency of contact with chemicals.

4. UV Stability:

For applications exposed to outdoor environments or intense UV radiation, selecting injection molded parts with UV stability is essential. UV radiation can cause material degradation, discoloration, or loss of mechanical properties over time. Materials with UV stabilizers or additives can provide enhanced resistance to UV radiation, ensuring the longevity and performance of the parts in outdoor or UV-exposed applications.

5. Mechanical Strength and Impact Resistance:

In applications where mechanical stress or impact resistance is critical, choosing injection molded parts with the appropriate mechanical properties is important. Materials with high tensile strength, impact resistance, or toughness can ensure that the parts can withstand the required loads, vibrations, or impacts without failure. Consideration should also be given to factors such as fatigue resistance, abrasion resistance, or flexibility, depending on the specific application requirements.

6. Compliance with Industry Standards:

When selecting injection molded parts for applications governed by industry standards or regulations, it is essential to ensure that the chosen parts comply with the required standards. This includes standards for dimensions, tolerances, safety, flammability, electrical properties, or specific performance criteria. Choosing parts that are certified or tested to meet the relevant industry standards helps ensure compliance and reliability in the intended application.

7. Environmental Considerations:

In today’s environmentally conscious landscape, considering the sustainability and environmental impact of injection molded parts is increasingly important. Choosing materials that are recyclable or biodegradable can align with sustainability goals. Additionally, evaluating factors such as energy consumption during manufacturing, waste reduction, or the use of environmentally friendly manufacturing processes can contribute to environmentally responsible choices.

8. Customization and Design Flexibility:

Lastly, the design flexibility and customization options offered by injection molded parts can be advantageous in meeting specific environmental or industry requirements. Injection molding allows for intricate designs, complex geometries, and the incorporation of features such as gaskets, seals, or mounting points. Customization options for color, texture, or surface finish can also be considered to meet specific branding or aesthetic requirements.

Considering these specific considerations when choosing injection molded parts for applications with varying environmental conditions or industry standards ensures that the selected parts are well-suited for their intended use, providing optimal performance, durability, and compliance with the required standards.

What are injection molded parts, and how are they manufactured?

Injection molded parts are components or products that are produced through the injection molding manufacturing process. Injection molding is a widely used manufacturing technique for creating plastic parts with high precision, complexity, and efficiency. Here’s a detailed explanation of injection molded parts and the process of manufacturing them:

Injection Molding Process:

The injection molding process involves the following steps:

1. Mold Design:

The first step in manufacturing injection molded parts is designing the mold. The mold is a custom-made tool that defines the shape and features of the final part. It is typically made from steel or aluminum and consists of two halves: the cavity and the core. The mold design takes into account factors such as part geometry, material selection, cooling requirements, and ejection mechanism.

2. Material Selection:

The next step is selecting the appropriate material for the injection molding process. Thermoplastic polymers are commonly used due to their ability to melt and solidify repeatedly without significant degradation. The material choice depends on the desired properties of the final part, such as strength, flexibility, transparency, or chemical resistance.

3. Melting and Injection:

In the injection molding machine, the selected thermoplastic material is melted and brought to a molten state. The molten material, called the melt, is then injected into the mold under high pressure. The injection is performed through a nozzle and a runner system that delivers the molten material to the mold cavity.

4. Cooling:

After the molten material is injected into the mold, it begins to cool and solidify. Cooling is a critical phase of the injection molding process as it determines the final part’s dimensional accuracy, strength, and other properties. The mold is designed with cooling channels or inserts to facilitate the efficient and uniform cooling of the part. Cooling time can vary depending on factors such as part thickness, material properties, and mold design.

5. Mold Opening and Ejection:

Once the injected material has sufficiently cooled and solidified, the mold opens, separating the two halves. Ejector pins or other mechanisms are used to push or release the part from the mold cavity. The ejection system must be carefully designed to avoid damaging the part during the ejection process.

6. Finishing:

After ejection, the injection molded part may undergo additional finishing processes, such as trimming excess material, removing sprues or runners, and applying surface treatments or textures. These processes help achieve the desired final appearance and functionality of the part.

Advantages of Injection Molded Parts:

Injection molded parts offer several advantages:

1. High Precision and Complexity:

Injection molding allows for the creation of parts with high precision and intricate details. The molds can produce complex shapes, fine features, and precise dimensions, enabling the manufacturing of parts with tight tolerances.

2. Cost-Effective Mass Production:

Injection molding is a highly efficient process suitable for large-scale production. Once the mold is created, the manufacturing process can be automated, resulting in fast and cost-effective production of identical parts. The high production volumes help reduce per-unit costs.

3. Material Versatility:

Injection molding supports a wide range of thermoplastic materials, allowing for versatility in material selection based on the desired characteristics of the final part. Different materials can be used to achieve specific properties such as strength, flexibility, heat resistance, or chemical resistance.

4. Strength and Durability:

Injection molded parts can exhibit excellent strength and durability. The molding process ensures that the material is uniformly distributed, resulting in consistent mechanical properties throughout the part. This makes injection molded parts suitable for various applications that require structural integrity and longevity.

5. Minimal Post-Processing:

Injection molded parts often require minimal post-processing. The high precision and quality achieved during the molding process reduce the need for extensive additional machining or finishing operations, saving time and costs.

6. Design Flexibility:

With injection molding, designers have significant flexibility in part design. The process can accommodate complex geometries, undercuts, thin walls, and other design features that may be challenging or costly with other manufacturing methods. This flexibility allows for innovation and optimization of part functionality.

In summary, injection molded parts are components or products manufactured through the injection molding process. This process involves designing amold, selecting the appropriate material, melting and injecting the material into the mold, cooling and solidifying the part, opening the mold and ejecting the part, and applying finishing processes as necessary. Injection molded parts offer advantages such as high precision, complexity, cost-effective mass production, material versatility, strength and durability, minimal post-processing, and design flexibility. These factors contribute to the widespread use of injection molding in various industries for producing high-quality plastic parts.

China wholesaler 3 Ton Mini Crawler Crane Spider 3t Multifunctional Lifting Cranes  China wholesaler 3 Ton Mini Crawler Crane Spider 3t Multifunctional Lifting Cranes
editor by CX 2023-12-19

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