Product Description

Rotary Drum Sieving Machine/Drum Screening Machine/ Trommel Screener
 

·INTRODUCTION of Rotary Drum Sieving Machine/Drum Screening Machine/ Trommel Screener

The rotary sieving machine is mainly used for the separation of the finished products ( powder or granules ) and the return material, and can also realize the grading of the products, so that the finished products ( powder or granule ) can be evenly classified. 
 
This machine is adopts a combined screen mesh for easy maintenance and replacement. This machine has simple structure, convenient operation and stable operation etc advantage , and it is an ideal equipment in the production process of organic fertilizer and compound fertilizer.
 
The rotary sieving machine is mainly constitute of motor, gear reducer , roller device, frame, sealing cover, and inlet and outlet etc . The roller device is obliquely mounted on the frame, and the motor transmits power through the gear reducer , and is coupled to the roller device through the coupling to drive the roller device to rotate about its axis . After the material ( granule ) enters the roller device, due to the tilting and rotation of the roller device, the material on the screen is turned over and rolled , so that the right size material (the product under the sieve) is discharged through the discharge hole at the bottom of the rear end , and the unqualified material (on the sieve) is discharged through the discharge hole at the end of the sieving device. The material continuously flip and scroll in the sieving device , so that the material stuck in the sieve hole can be ejected to prevent the screen hole blocked . The screening cylinder can be closed, easy to close and collect dust, and meet the requirements of environmental protection.

·ADVANTAGE of Rotary Drum Sieving Machine/Drum Screening Machine/ Trommel Screener

1.The material is not easy to block the sieve hole;
2.Simple structure and convenient maintenance;
3.Smooth operation and low noise;
4.The screening cylinder can be closed  or opened and the sealing is easy to close and collect dust;
5.The machine has high reliability and less one-time investment;
6.Adopt special screen, high screening efficiency and long service life.

·STRUCTURE of Rotary Drum Sieving Machine/Drum Screening Machine/ Trommel Screener

This machine can divided into 3 parts:
1. Rack part: The machine frame is welded by high carbon steel plate and channel steel, and through strict product certification and specific technical requirements, it has reached the purpose of the machine.
2. Transmission and screening part: This part uses a combined screen mesh, which is transmitted through a coupling to the main shaft by a transmission wheel, which is installed and welded on the roller cage of the main shaft. The material is entered from the feed end, and the roll cage is continuously turned and graded, and the outlet is outflow evenly from the bottom, which effectively separations the finished product from the Re-material, thus improving the working efficiency.
3. Transmission connection part: The motor drives the pulley, the triangle belt and the reducer to make the spindle rotating. In which the drive reducer and the main working part of the main engine are driven by the axle pin couple, it is convenient to assemble and maintain.

·PARAMETERS of Rotary Drum Sieving Machine/Drum Screening Machine/ Trommel Screener
 

Model	Barrel		Rotation Speed	Inclination	Power	Capacity	Dimensions	Weight
	Diameter	Length					L× W × H
	mm	mm	r/min	0	kW	t/h	mm	tons
GS1.0×3.0	1000	3000	22	2-2.5	2.2	1-3	3500×1400×2200	1.5
GS1.2×4.5	1200	4500	17	2-2.5	3.0	3-5	5700×1600×2400	2.5
GS1.5×5.0	1500	5000	14	2-2.5	5.5	5-10	6860×1900×2810	3.8
GS1.0×3.0	1000	3000	22	2-2.5	2.2	10-20	3500×1400×2200	1.5
GS1.6×6.0	1600	6000	12	2-2.5	7.5	10-20	7300×2000×3000	4.7
GS1.2×4.0	1200	4000	16	2-2.5	3.0	20-25	5200×600×2360	2.3
GS1.8×6.5	1800	6500	11.5	2-2.5	7.5	20-25	9000×2200×3200	6.0

·INQUIRY OF Rotary Drum Sieving Machine/Drum Screening Machine/ Trommel Screener
·DELIVERY OF ROTARY DRUM SIEVING MACHINE/DRUM SCREENING MACHINE/ TROMMEL SCREENER

·WHY CHOOSE CZPT ROTARY DRUM SIEVING MACHINE/DRUM SCREENING MACHINE/ TROMMEL SCREENER

Certified with ISO9001 quality management system and CE certificate, HangZhou CZPT Machinery Co., Ltd is the forerunner and expert among the fertilizer and Animal feed machinery manufacturers in ZheJiang Province, China.

Totally, we have 3 factories, land area over 10 millions cubic meters, with more than 25 technical engineers and 70 workers. Thus we have strong technical strength, high-quality staff and CAD design center, thus we can provide fertilizer and feed plant design, process improvement, equipment manufacture, installation, commissioning, formula and etc.  Since 2009, we have exported the machines to more than 100 countries.

By the end of 2019, we have established more than 70 factories around the world, for example, 100,000Ton/Year NPK Fertilizer plant in SA, 150,000Ton/Year NPK Fertilizer plant in Syria, 80,000Ton/Year NPK Fertilizer plant in Zimbabwe, 50,000Ton/Year Organic Fertilizer plant in Nepal, 5,000Ton/Year Powder Organic Fertilizer plant in Nepal, 20,00Ton/Year Organic Granule Fertilizer plant in Nepal, 10,000Ton/Year chicken feed plant in Nigeria, 20,000Ton/Year Floating fish feed plant in Nigeria, 20,000Ton/Year Fish feed Plant in Iran, 5,000Ton/Year Floating fish feed plant in Congo, 10,000Ton/Year Bio-pellet plant in Vietnam, 80,000Ton/Year feed-pellet plant in Thailand, 50,000Ton/Year Bio-pellet Plant in USA, 30,000Ton/Year Bio-pellet Plant in Bulgaria etc.

Based on the professional maintenance team, adequate inventory spare parts, standardized after-sales service, perfect customer return visit management, mature training system, we always win most customers around the world.

We are experienced in manufacturing professional equipment for fertilizer and feed production. As for manage principles, we insist to hold the view of “quality, mission, and values.”

·Quality
Being a large and professional machinery manufacturer, our factory has manufactured a series of modern specified equipment for fertilizer and feed production, including both the equipment for each process of the production line and the whole production line. Our equipment adopts the latest technology, which can make the production process more environment friendly, energy-saving and economic. Most importantly, it can ensure the quality of the final fertilizer and feed products.

·Mission
Our factory is featured with its strong technical powers, complete processing equipment and reasonable management principles. Our products are various and complete, including the fertilizer compost turner machine, crusher, mixer, fertilizer granulation machine, polishing machine, dryer, cooler, rotary sieve, coating machine, packaging machine as well as the complete new-type fertilizer production line for both organic fertilizer and compound fertilizer production. For the feed industry, we can offer you the hammer mill, Mixer, flat die/ring die pellet mill, feed extruder, air cooler, packager, and other related machines.
We aim at providing you with a more scientific and efficient way of producing qualified fertilizer and nice feed.

·Values
We always insist that quality and customers should come first. Therefore, we strive every effort to improve our services and make breakthroughs step by step, which in turn will make our products better meet the needs of our customers and improve our competitiveness in the fertilizer market all over the world.
Your satisfactions are all that we pursuit! Contact us if you are interested in our products. We are honored to provide you with any service.

·Service

Pre-sale service
Act as a good adviser and assistant of clients to enable them get rich and generous returns on their investments.
1. Introduce the product to the customer in detail, answer the question raised by customer carefully;
2.Make plans for choice according to the needs and special requirements of users in different sectors;
3. We have certain machines in lab for customer testing.

Sale service
1. Ensure product with high quality and pre-commissioning before delivery;
2. Delivery on time;
3.Provide full set of documents as customer’s requirements.

After-sale service
Provide considerate services to minimize clients’ worries.
1.Assist clients to prepare for the first construction scheme;
2.Install and debug the equipment;
3.Train the first-line operators;
4. Examine the equipment;
5.Take initiative to eliminate the troubles rapidly;
6.Provide technical support;
7.Establish long-term and friendly relationship.

Service commitment
1. Provide clients one-year warranty to make sure the machine work well;
2.We always keep certain inventory level of spare parts, which means the replacements can be sent to you timely.

·Contact
If you want to win, please come and visit Hanghui.
If you want to learn, also please come and visit Hanghui.
ROTARY DRUM SIEVING MACHINE/DRUM SCREENING MACHINE/ TROMMEL SCREENER
 

The Functions of Splined Shaft Bearings

Splined shafts are the most common types of bearings for machine tools. They are made of a wide variety of materials, including metals and non-metals such as Delrin and nylon. They are often fabricated to reduce deflection. The tooth profile will become deformed with time, as the shaft is used over a long period of time. Splined shafts are available in a huge range of materials and lengths.

Functions

Splined shafts are used in a variety of applications and industries. They are an effective anti-rotational device, as well as a reliable means of transmitting torque. Other types of shafts are available, including key shafts, but splines are the most convenient for transmitting torque. The following article discusses the functions of splines and why they are a superior choice. Listed below are a few examples of applications and industries in which splines are used.
Splined shafts can be of several styles, depending on the application and mechanical system in question. The differences between splined shaft styles include the design of teeth, overall strength, transfer of rotational concentricity, sliding ability, and misalignment tolerance. Listed below are a few examples of splines, as well as some of their benefits. The difference between these styles is not mutually exclusive; instead, each style has a distinct set of pros and cons.
A splined shaft is a cylindrical shaft with teeth or ridges that correspond to a specific angular position. This allows a shaft to transfer torque while maintaining angular correspondence between tracks. A splined shaft is defined as a cylindrical member with several grooves cut into its circumference. These grooves are equally spaced around the shaft and form a series of projecting keys. These features give the shaft a rounded appearance and allow it to fit perfectly into a grooved cylindrical member.
While the most common applications of splines are for shortening or extending shafts, they can also be used to secure mechanical assemblies. An “involute spline” spline has a groove that is wider than its counterparts. The result is that a splined shaft will resist separation during operation. They are an ideal choice for applications where deflection is an issue.
A spline shaft’s radial torsion load distribution is equally distributed, unless a bevel gear is used. The radial torsion load is evenly distributed and will not exert significant load concentration. If the spline couplings are not aligned correctly, the spline connection can fail quickly, causing significant fretting fatigue and wear. A couple of papers discuss this issue in more detail.

Types

There are many different types of splined shafts. Each type features an evenly spaced helix of grooves on its outer surface. These grooves are either parallel or involute. Their shape allows them to be paired with gears and interchange rotary and linear motion. Splines are often cold-rolled or cut. The latter has increased strength compared to cut spines. These types of shafts are commonly used in applications requiring high strength, accuracy, and smoothness.
Another difference between internal and external splined shafts lies in the manufacturing process. The former is made of wood, while the latter is made of steel or a metal alloy. The process of manufacturing splined shafts involves cutting furrows into the surface of the material. Both processes are expensive and require expert skill. The main advantage of splined shafts is their adaptability to a wide range of applications.
In general, splined shafts are used in machinery where the rotation is transferred to an internal splined member. This member can be a gear or some other rotary device. These types of shafts are often packaged together as a hub assembly. Cleaning and lubricating are essential to the life of these components. If you’re using them on a daily basis, you’ll want to make sure to regularly inspect them.
Crowned splines are usually involute. The teeth of these splines form a spiral pattern. They are used for smaller diameter shafts because they add strength. Involute splines are also used on instrument drives and valve shafts. Serration standards are found in the SAE. Both kinds of splines can also contain a ball bearing for high torque. The difference between the 2 types of splines is the number of teeth on the shaft.
Internal splines have many advantages over external ones. For example, an internal spline shaft can be made using a grinding wheel instead of a CNC machine. It also uses a more accurate and economical process. Furthermore, it allows for a shorter manufacturing cycle, which is essential when splining high-speed machines. In addition, it stabilizes the relative phase between the spline and thread.

Manufacturing methods

There are several methods used to fabricate a splined shaft. Key and splined shafts are constructed from 2 separate parts that are shaped in a synchronized manner to transfer torque uniformly. Hot rolling is 1 method, while cold rolling utilizes low temperatures to form metal. Both methods enhance mechanical properties, surface finishes, and precision. The advantage of cold rolling is its cost-effectiveness.
Cold forming is 1 method, as well as machining and assembling. Cold forming is a unique process that allows the spline to be shaped to the desired shape. The resulting shape provides maximum contact area and torsional strength. Standard splines are available in standard sizes, but custom lengths can also be ordered. CZPT offers various auxiliary equipment, such as mating sleeves and flanged bushings.
Cold forging is another method. This method produces long splined shafts that are used in automobile propellers. After the spline portion is cut out, it is worked on in a hobbing machine. Work hardening enhances the root strength of the splined portion. It can be used for bearings, gears, and other mechanical components. Listed below are the manufacturing methods for splined shafts.
Parallel splines are the simplest of the splined shaft manufacturing methods. Parallel splines are usually welded to shafts, while involute splines are made of metal or non-metals. Splines are available in a wide variety of lengths and materials. The process is usually accompanied by a process called milling. The workpiece rotates to produce the serrated surface.
Splines are internal or external grooves in a splined shaft. They work in combination with keyways to transfer torque. Male and female splines are used in gears. Female and male splines correspond to 1 another to ensure proper angular correspondence. Involute splines have more surface area and thus are stronger than external splines. Moreover, they help the shaft fit into a grooved cylindrical member without misalignment.
A variety of other methods of manufacturing a splined shaft can be used to produce a splined shaft. Spline shafts can be produced using broaching and shaping, 2 precision machining methods. Broaching uses a metal tool with successively larger teeth to remove metal and create ridges and holes in the surface of a material. However, this process is expensive and requires special expertise.

Applications

The splined shaft is a mechanical component with a helix-like shape formed by the equal spacing of grooves in a circular ring. The splines can either have parallel or involute sides. The splines minimize stress concentration in stationary joints and can be used in both rotary and linear motion. In some cases, splines are rolled rather than cut. The latter is more durable than cut splines and is often used in applications requiring high strength, accuracy, and smooth finish.
Splined shafts are commonly made of carbon steel. This alloy steel has a low carbon content, making it easy to work with. Carbon steel is a great choice for splines because it is malleable. Generally, high-quality carbon steel provides a consistent motion. Steel alloys are also available that contain nickel, chromium, copper, and other metals. If you’re unsure of the right material for your application, you can consult a spline chart.
Splines are a versatile mechanical component. They are easy to cut and fit. Splines can be internal or external, with teeth positioned at equal intervals on both sides of the shaft. This allows the shaft to engage with the hub around the entire circumference of the hub. It also increases load capacity by creating a constant multiple-tooth point of contact with the hub. For this reason, they’re used extensively in rotary and linear motion.
Splined shafts are used in a wide variety of industries. CZPT Inc. offers custom and standard splined shafts for a variety of applications. When choosing a splined shaft for a specific application, consider the surrounding mated components, torque requirements, and size requirements. These 3 factors will make it the ideal choice for your rotary equipment. And you’ll be pleased with the end result!
There are many types of splines and their applications are endless. They transfer torque and angular misalignment between parts, and they also enable the axial rotation of assembled components. Therefore, splines are an essential component of machinery and are used in a wide range of applications. This type of shaft can be found in various types of machines, from household appliances to industrial machinery. So, the next time you’re looking for a splined shaft, make sure you look for a splined one.