China supplier Custom 40cr Non-Standard Gear Shaft Large Gear Machining Spline Shaft Free Forging Large Gear custom drive shaft shop

Product Description

We have rich experience in manufacturing of large machined weldment or iron castings and forgings for industrial equipment like foring press, rolling mill, grinder, water conservancy and hydropower equipment, chemical equipment, mining machinery and equipment and all kinds of non-standard equipment with single weight up to 200 tons. Our products had been widely used in steel rolling, chemical, mining, hydropower, metallurgy and other industries.

Our company was founded in 1999, our factory currently has more than 1600 employees, covering an area of over 1,00,000 square meters, which has 4 sections: Equipment Assembly Dept., Metal Fabrication Dept, Precision CNC Machining Dept, Casting and Forging Dept.

We provide full service fabricating service , from material supply, cutting and forming, rough machining, finish machining, welding assembly, and surface treatment, to the final packaging and transportation.

Our sheet metal fabrication workshop equipped with a series of cutting machines, including laser cutter, flame cutter, water jet cutter, and plasma cutter, with these advanced CNC machine we can cut the materials with high efficiency and high accuracy.

  Laser Cutting Plasma Cutting Flame Cutting Water-jet Cutting
Cutting Depth 25mm 100mm 450mm 250mm
Cutting Width 3500mm 4000mm 6000mm 3500mm
Cutting Length 28000mm 20000mm 20000mm 10000mm
Accuracy ±0.2mm ±1mm   ±0.8mm

Our forming processing platform covers large bending machines, thick plate rolling equipment, transverse shearing and slitting equipment, and leveling machines. We offer a wide range of metal forming and bending services. From sinple aluminum channels or complex metal bending for large project, we can always meet your requirements. Our large press braking machine is with max 5000Ton in capacity, and we can bend the steel plate up to 15m in length.

Bending Press braking capability: 2000Ton Max Bending Length: 75000mm    
Plate Rolling Max rolling width: 3000mm Max Rolling Thickness: 150mm    
Shearing Thickness: 0.4-33mm Shearing Length: 1000-4500mm Anti-twist (W:T) 5:1
Leveling width: 100-2350mm Thickness: 1-40mm Accuracy: 0.5mm/1m

We have a series of imported CNC Machining equipment, including large gantry machining center, horizontal boring and milling machine, turning and milling compound center, large vertical lathe machining center, heavy horizontal lathe machining center, dmulti-hole drilling and other machining equipment facilities.
Our processing capabilities are as follows:

Gantry Machining Center Max Height:4000mm Max Width:4500mm Max Length: 12000mm    
Large Boring Mill X: 15000mm Y:4000mm Z+W:900+1000 mm Max Weight: 250T Bore Tool Dia: 280mm
Truning and Milling center Height: 4500mm Weight: 350T Max Diameter:11000mm    
Vertical Lathe Height: 4000mm Weight: 50T Max Diameter: 5000mm    
Horizontal Lathe Max Length: 12m Weight: 50T      
Deep hole drilling X:3000mm Y:2500mm Z:700mm Hole Dia: 16-80mm Depth: 700mm
Multi-hole drilling X:7000mm Y:3000mm Z:700mm Hole Dia:2-120mm Depth: 320mm

We have a complete welding platform, including plasma welding, strip surfacing, argon arc welding, TIG welding, laser welding, hand arc welding, and submerged arc welding equipment clusters.Welding methods include tube-sheet strip surfacing, automatic submerged arc welding, carbon dioxide gas shielded welding, argon tungsten arc welding, electrode arc welding, plasma welding, etc. The materials that can be welded are carbon steel, alloy steel, stainless steel, and non-ferrous metals such as copper, aluminum, and titanium.
To ensure that the quality strictly meets the requirements, we have special quality inspectors to supervise and review the product quality for all projects, and we are equipped with a variety of inspection methods. For welding, we have magnetic particle inspection, X-ray inspection and other methods to inspect the weld quality. For precision machined products, we use advanced three-coordinate testing equipment to check product size, flatness, parallelism, concentricity, etc. For precision machined surfaces, we will also use special testing equipment to check that the surface roughness perfectly meets the acceptance criteria. Moreover, we will custom make inspection methods to serve for their project.

We have rich experience in manufacturing precision metal components in various industries, such as tube sheets, machine bed, power station energy storage finishing tanks, and even CNC parts for medical industry etc.
Industries we served: Construction machinery, printing and dyeing, food machinery, new energy environmental protection, nuclear power equipment, pressure vessel, etc…
Our company has established a sound quality management system, and has passed different kind of welding production certification, such as the following:

 

After-sales Service: Tbd
Warranty: Tbd
Condition: New
Certification: ISO9001
Standard: ASTM
Customized: Customized
Samples:
US$ 2500/Ton
1 Ton(Min.Order)

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splineshaft

Applications of Spline Couplings

A spline coupling is a highly effective means of connecting two or more components. These types of couplings are very efficient, as they combine linear motion with rotation, and their efficiency makes them a desirable choice in numerous applications. Read on to learn more about the main characteristics and applications of spline couplings. You will also be able to determine the predicted operation and wear. You can easily design your own couplings by following the steps outlined below.

Optimal design

The spline coupling plays an important role in transmitting torque. It consists of a hub and a shaft with splines that are in surface contact without relative motion. Because they are connected, their angular velocity is the same. The splines can be designed with any profile that minimizes friction. Because they are in contact with each other, the load is not evenly distributed, concentrating on a small area, which can deform the hub surface.
Optimal spline coupling design takes into account several factors, including weight, material characteristics, and performance requirements. In the aeronautics industry, weight is an important design factor. S.A.E. and ANSI tables do not account for weight when calculating the performance requirements of spline couplings. Another critical factor is space. Spline couplings may need to fit in tight spaces, or they may be subject to other configuration constraints.
Optimal design of spline couplers may be characterized by an odd number of teeth. However, this is not always the case. If the external spline’s outer diameter exceeds a certain threshold, the optimal spline coupling model may not be an optimal choice for this application. To optimize a spline coupling for a specific application, the user may need to consider the sizing method that is most appropriate for their application.
Once a design is generated, the next step is to test the resulting spline coupling. The system must check for any design constraints and validate that it can be produced using modern manufacturing techniques. The resulting spline coupling model is then exported to an optimisation tool for further analysis. The method enables a designer to easily manipulate the design of a spline coupling and reduce its weight.
The spline coupling model 20 includes the major structural features of a spline coupling. A product model software program 10 stores default values for each of the spline coupling’s specifications. The resulting spline model is then calculated in accordance with the algorithm used in the present invention. The software allows the designer to enter the spline coupling’s radii, thickness, and orientation.
splineshaft

Characteristics

An important aspect of aero-engine splines is the load distribution among the teeth. The researchers have performed experimental tests and have analyzed the effect of lubrication conditions on the coupling behavior. Then, they devised a theoretical model using a Ruiz parameter to simulate the actual working conditions of spline couplings. This model explains the wear damage caused by the spline couplings by considering the influence of friction, misalignment, and other conditions that are relevant to the splines’ performance.
In order to design a spline coupling, the user first inputs the design criteria for sizing load carrying sections, including the external spline 40 of the spline coupling model 30. Then, the user specifies torque margin performance requirement specifications, such as the yield limit, plastic buckling, and creep buckling. The software program then automatically calculates the size and configuration of the load carrying sections and the shaft. These specifications are then entered into the model software program 10 as specification values.
Various spline coupling configuration specifications are input on the GUI screen 80. The software program 10 then generates a spline coupling model by storing default values for the various specifications. The user then can manipulate the spline coupling model by modifying its various specifications. The final result will be a computer-aided design that enables designers to optimize spline couplings based on their performance and design specifications.
The spline coupling model software program continually evaluates the validity of spline coupling models for a particular application. For example, if a user enters a data value signal corresponding to a parameter signal, the software compares the value of the signal entered to the corresponding value in the knowledge base. If the values are outside the specifications, a warning message is displayed. Once this comparison is completed, the spline coupling model software program outputs a report with the results.
Various spline coupling design factors include weight, material properties, and performance requirements. Weight is one of the most important design factors, particularly in the aeronautics field. ANSI and S.A.E. tables do not consider these factors when calculating the load characteristics of spline couplings. Other design requirements may also restrict the configuration of a spline coupling.

Applications

Spline couplings are a type of mechanical joint that connects two rotating shafts. Its two parts engage teeth that transfer load. Although splines are commonly over-dimensioned, they are still prone to fatigue and static behavior. These properties also make them prone to wear and tear. Therefore, proper design and selection are vital to minimize wear and tear on splines. There are many applications of spline couplings.
A key design is based on the size of the shaft being joined. This allows for the proper spacing of the keys. A novel method of hobbing allows for the formation of tapered bases without interference, and the root of the keys is concentric with the axis. These features enable for high production rates. Various applications of spline couplings can be found in various industries. To learn more, read on.
FE based methodology can predict the wear rate of spline couplings by including the evolution of the coefficient of friction. This method can predict fretting wear from simple round-on-flat geometry, and has been calibrated with experimental data. The predicted wear rate is reasonable compared to the experimental data. Friction evolution in spline couplings depends on the spline geometry. It is also crucial to consider the lubrication condition of the splines.
Using a spline coupling reduces backlash and ensures proper alignment of mated components. The shaft’s splined tooth form transfers rotation from the splined shaft to the internal splined member, which may be a gear or other rotary device. A spline coupling’s root strength and torque requirements determine the type of spline coupling that should be used.
The spline root is usually flat and has a crown on one side. The crowned spline has a symmetrical crown at the centerline of the face-width of the spline. As the spline length decreases toward the ends, the teeth are becoming thinner. The tooth diameter is measured in pitch. This means that the male spline has a flat root and a crowned spline.
splineshaft

Predictability

Spindle couplings are used in rotating machinery to connect two shafts. They are composed of two parts with teeth that engage each other and transfer load. Spline couplings are commonly over-dimensioned and are prone to static and fatigue behavior. Wear phenomena are also a common problem with splines. To address these issues, it is essential to understand the behavior and predictability of these couplings.
Dynamic behavior of spline-rotor couplings is often unclear, particularly if the system is not integrated with the rotor. For example, when a misalignment is not present, the main response frequency is one X-rotating speed. As the misalignment increases, the system starts to vibrate in complex ways. Furthermore, as the shaft orbits depart from the origin, the magnitudes of all the frequencies increase. Thus, research results are useful in determining proper design and troubleshooting of rotor systems.
The model of misaligned spline couplings can be obtained by analyzing the stress-compression relationships between two spline pairs. The meshing force model of splines is a function of the system mass, transmitting torque, and dynamic vibration displacement. This model holds when the dynamic vibration displacement is small. Besides, the CZPT stepping integration method is stable and has high efficiency.
The slip distributions are a function of the state of lubrication, coefficient of friction, and loading cycles. The predicted wear depths are well within the range of measured values. These predictions are based on the slip distributions. The methodology predicts increased wear under lightly lubricated conditions, but not under added lubrication. The lubrication condition and coefficient of friction are the key factors determining the wear behavior of splines.

China supplier Custom 40cr Non-Standard Gear Shaft Large Gear Machining Spline Shaft Free Forging Large Gear   custom drive shaft shop			China supplier Custom 40cr Non-Standard Gear Shaft Large Gear Machining Spline Shaft Free Forging Large Gear   custom drive shaft shop
editor by CX 2023-11-25

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