Tag Archives: cleaning machine

China Professional Full Automatic River Cleaning Machine for Floating Weeds Collection with Best Sales

Product Description

The main function
1. Labor saving: The working efficiency of 1 machine is equivalent to the working efficiency of 30 people
2. Easy to transfer: under the premise of ensuring the rigidity of the lawnmower, the weight is reduced as much as possible to facilitate the manual lifting of the turning pond
3. Unique design: reduce the distance between the scissors part and the conveying part to prevent the cut grass from falling into the pond.
4. Easy to disassemble: The scissors part, conveying part and foam hull can be easily disassembled for maintenance and conveying. The main shaft is not welded.
5. Reduce water inflow and extend service life: The steel pipe of the conveying rack is completely closed, and water cannot enter the steel pipe, which can reduce rust and thus prolong service life
6, easy to use: insert 48V battery pack, you can easily use the switch
 
Maintenance precautions
1. During use, lubricate each part of the bearing
2. The moving part of the knife rod is lubricated with oil every month, which makes it smoother when used.
3.Electrical parts to prevent water from entering
 

Product Package
2 meters 3 knives stainless steel river cleaning machine host+ foam ship+ power plate
River cleaning machine host parameters
Dimension Host machine2M*2M(L*W)
Three knives 2 meters horizontal knife, 0.6 meter vertical knife
Underwater mowing depth 60-70 cm
Material Blades, chains, straw tubes, frame, Bearing use stainless steel
Weight About 300kg
Operating hours Full power can work for 6-8 hours
Host battery 32A 48V motor 500W
Foam ship
2 meters wide, 4.8 meters long, 0.2 meters high. It consists of 4 sections, each weighing about 40 kg, which can be assembled.
At the same time with a strong board to protect the surface of the ship, stepping on it will not be hot.
Propeller Gasoline propeller

Xihu (West Lake) Dis.(Jinying)Machinery was formed by HangZhou Xihu (West Lake) Dis. Mechanical Equipment Co., Ltd, HangZhou Xihu (West Lake) Dis. Technology Co., Ltd,HangZhou Jinying Machinery Co., Ltd,HangZhou Jinying Machinery Co., Ltd,HangZhou Ruidesheng Mechanical Equipment Co., Ltd ,Committed to creating 1 of the 3 major brands in the home textile machinery industry.We are a textile machinery manufacturer in China for more than 20 years.We supply all kinds of quilting machine to Chinese famous clothes,bedding product and mattress product manufacturer . Meanwhile we also export to Europe, South America, Africa and South-East Asia,etc. , ''customer first,winning with quality''is our purpose all the time,Market-oriented and timely innovation,which has always been in the industry leader. Our Quilting machine is launched based on the current international market demand,it is used the level of the world's leading European and American Quilting Manufacturing technology .All specifications and equipment keep pace with world-class performance ,reliable and widely used technology. Our machine used on clothing,pillows,mattress covers,mattresses,sleeping bags and other products,which can meet the needs of different users. Products include:all type computerized quilting machine(single needle qulting machine, high speed multi needle quilting machine) ,opening machine, carding machine, pillow-filling machine, pillow-compress machine, wadding production line, automatic cocoon bobbin winding machine,etc.We supply business services and perfect after-sales service system, Include technicial communication,installation, technicial training and spare parts to users all over the world.

1.How long does the machine guarantee?

We guarantee 1 year for non-human damaged factor. 

 

2.After service?

Engineers available to come to your factory for supplying training and installation.

 

3.How to control the quality?

We have professional Engineer and inspector make sure that each part of machine working well before shipment.

 

4.How to contact you?

You could contact us via TM, Skype, Whatsapp, Wechat, QQ, Email

 

5.What about payment term?

T/T, Western Union, Paypal, Cash, L/C, Trade Assurance, etc..

 

If any other question please don't hesitate to contact us any time...

 

 

How to Design a Forging Spur Gear

Before you start designing your own spur gear, you need to understand its main components. Among them are Forging, Keyway, Spline, Set screw and other types. Understanding the differences between these types of spur gears is essential for making an informed decision. To learn more, keep reading. Also, don't hesitate to contact me for assistance! Listed below are some helpful tips and tricks to design a spur gear. Hopefully, they will help you design the spur gear of your dreams.
Gear

Forging spur gears

Forging spur gears is 1 of the most important processes of automotive transmission components. The manufacturing process is complex and involves several steps, such as blank spheroidizing, hot forging, annealing, phosphating, and saponification. The material used for spur gears is typically 20CrMnTi. The process is completed by applying a continuous through extrusion forming method with dies designed for the sizing band length L and Splitting angle thickness T.
The process of forging spur gears can also use polyacetal (POM), a strong plastic commonly used for the manufacture of gears. This material is easy to mold and shape, and after hardening, it is extremely stiff and abrasion resistant. A number of metals and alloys are used for spur gears, including forged steel, stainless steel, and aluminum. Listed below are the different types of materials used in gear manufacturing and their advantages and disadvantages.
A spur gear's tooth size is measured in modules, or m. Each number represents the number of teeth in the gear. As the number of teeth increases, so does its size. In general, the higher the number of teeth, the larger the module is. A high module gear has a large pressure angle. It's also important to remember that spur gears must have the same module as the gears they are used to drive.

Set screw spur gears

A modern industry cannot function without set screw spur gears. These gears are highly efficient and are widely used in a variety of applications. Their design involves the calculation of speed and torque, which are both critical factors. The MEP model, for instance, considers the changing rigidity of a tooth pair along its path. The results are used to determine the type of spur gear required. Listed below are some tips for choosing a spur gear:
Type A. This type of gear does not have a hub. The gear itself is flat with a small hole in the middle. Set screw gears are most commonly used for lightweight applications without loads. The metal thickness can range from 0.25 mm to 3 mm. Set screw gears are also used for large machines that need to be strong and durable. This article provides an introduction to the different types of spur gears and how they differ from 1 another.
Pin Hub. Pin hub spur gears use a set screw to secure the pin. These gears are often connected to a shaft by dowel, spring, or roll pins. The pin is drilled to the precise diameter to fit inside the gear, so that it does not come loose. Pin hub spur gears have high tolerances, as the hole is not large enough to completely grip the shaft. This type of gear is generally the most expensive of the three.
Gear

Keyway spur gears

In today's modern industry, spur gear transmissions are widely used to transfer power. These types of transmissions provide excellent efficiency but can be susceptible to power losses. These losses must be estimated during the design process. A key component of this analysis is the calculation of the contact area (2b) of the gear pair. However, this value is not necessarily applicable to every spur gear. Here are some examples of how to calculate this area. (See Figure 2)
Spur gears are characterized by having teeth parallel to the shafts and axis, and a pitch line velocity of up to 25 m/s is considered high. In addition, they are more efficient than helical gears of the same size. Unlike helical gears, spur gears are generally considered positive gears. They are often used for applications in which noise control is not an issue. The symmetry of the spur gear makes them especially suitable for applications where a constant speed is required.
Besides using a helical spur gear for the transmission, the gear can also have a standard tooth shape. Unlike helical gears, spur gears with an involute tooth form have thick roots, which prevents wear from the teeth. These gears are easily made with conventional production tools. The involute shape is an ideal choice for small-scale production and is 1 of the most popular types of spur gears.

Spline spur gears

When considering the types of spur gears that are used, it's important to note the differences between the two. A spur gear, also called an involute gear, generates torque and regulates speed. It's most common in car engines, but is also used in everyday appliances. However, 1 of the most significant drawbacks of spur gears is their noise. Because spur gears mesh only 1 tooth at a time, they create a high amount of stress and noise, making them unsuitable for everyday use.
The contact stress distribution chart represents the flank area of each gear tooth and the distance in both the axial and profile direction. A high contact area is located toward the center of the gear, which is caused by the micro-geometry of the gear. A positive l value indicates that there is no misalignment of the spline teeth on the interface with the helix hand. The opposite is true for negative l values.
Using an upper bound technique, Abdul and Dean studied the forging of spur gear forms. They assumed that the tooth profile would be a straight line. They also examined the non-dimensional forging pressure of a spline. Spline spur gears are commonly used in motors, gearboxes, and drills. The strength of spur gears and splines is primarily dependent on their radii and tooth diameter.
SUS303 and SUS304 stainless steel spur gears

Stainless steel spur gears are manufactured using different techniques, which depend on the material and the application. The most common process used in manufacturing them is cutting. Other processes involve rolling, casting, and forging. In addition, plastic spur gears are produced by injection molding, depending on the quantity of production required. SUS303 and SUS304 stainless steel spur gears can be made using a variety of materials, including structural carbon steel S45C, gray cast iron FC200, nonferrous metal C3604, engineering plastic MC901, and stainless steel.
The differences between 304 and 303 stainless steel spur gears lie in their composition. The 2 types of stainless steel share a common design, but have varying chemical compositions. China and Japan use the letters SUS304 and SUS303, which refer to their varying degrees of composition. As with most types of stainless steel, the 2 different grades are made to be used in industrial applications, such as planetary gears and spur gears.
Gear

Stainless steel spur gears

There are several things to look for in a stainless steel spur gear, including the diametral pitch, the number of teeth per unit diameter, and the angular velocity of the teeth. All of these aspects are critical to the performance of a spur gear, and the proper dimensional measurements are essential to the design and functionality of a spur gear. Those in the industry should be familiar with the terms used to describe spur gear parts, both to ensure clarity in production and in purchase orders.
A spur gear is a type of precision cylindrical gear with parallel teeth arranged in a rim. It is used in various applications, such as outboard motors, winches, construction equipment, lawn and garden equipment, turbine drives, pumps, centrifuges, and a variety of other machines. A spur gear is typically made from stainless steel and has a high level of durability. It is the most commonly used type of gear.
Stainless steel spur gears can come in many different shapes and sizes. Stainless steel spur gears are generally made of SUS304 or SUS303 stainless steel, which are used for their higher machinability. These gears are then heat-treated with nitriding or tooth surface induction. Unlike conventional gears, which need tooth grinding after heat-treating, stainless steel spur gears have a low wear rate and high machinability.

China Professional Full Automatic River Cleaning Machine for Floating Weeds Collection with Best SalesChina Professional Full Automatic River Cleaning Machine for Floating Weeds Collection with Best Sales

China factory Kehan Self-Propelled River Trash Skimmer Garbage Cleaning Boat Aquatic Weed Cleaning Boat Aquatic Weed Removal Machine Seaweed Water Hyacinth Harvester near me shop

Product Description

Kehan Self-Propelled Garbage Cleaning Boat Water Hyacinth Harvester 

Product Description

1) Our Harvester is a kind of modern aquatic plants harvesting equipment, which is the collection of mowing grass, gathering, salvaging, filtering water, transporting and unloading.

2) All operating procedure adopts full dydraulic control, simple, convenient and flexible. It is indispensable to urban water scenic spot. And it is also can be used as Rubbish Salvage Boat, which has received good results.

Working Range

Product Detials


1) Can be designed and manufactured according to customers' requirements. 

2) Simple, rapid assembling & dismantling.  

3) Spare parts are available & best after-sales service is provided. 

4) High efficiency, minimum fuel consumption and overall operational costs. 

5) One man operation fm spacious & low noise operating cabin. 

6) Controlled by hydraulic system & all parts have high quality sealing device guarantee the environmental protection without oil leakage and noise. 

7) Can automatically complete all the collecting, storing, transporting and discharging works.  

Product Parameters

JUST For Reference

Total Length

12.8m

Total Width

4.0m

Total Depth

2.25m

Pootoon Length

7.5m

Pootoon Depth

1.0m

Pootoon Width

2.8m

Full Loaded Draft

0.65m

Empty Loaded Draft

0.45m

Collecting Depth

1.0m

Collecting Width

3.2m

Displacement

12.8t

Loading Capacity

4t

Engine Power

50kw

Designed Speed

5km/h

Working Speed

4km/h

Cruising Ability

24h

Propelling Method

Paddle Wheel

 

  

Our Service

1) Rational & pratical design according to customers' requirements. 

2) Dispatching engineers overseas guidance for equipments installation and testing.

3) Training your local first batch workers.

4) Solving the problems during the equipment operation.

5) Providing whole production line equipments and spare parts with the best price.

Packaging & Shipping

Company Profile

Kehan is a modern large-scale mineral processing equipment manufacturer devoting ourselves to gold mining, sand pumping, and desilting with long time exploring and R&D experience.

All of products have been certified by ISO9001 and many of them have been exported to more than 60 countries and regions such as Fiji, Ghana, Mali, Colombia, Nigeria, Sierra Leone, Papua New Guinea, Bangladesh, Sultan, Korea, USA, Russia, India and so on.

FAQ

1. Is our company a direct or indirect producer?   
-Our company is a direct producer.

2. What's the main product of our company?       
-Our main product is dredging equipments.

3. Are our products certified or patented?             
-Yes, we only provide certified products.

4. Can we offer good after sales service?             
-Yes, the warranty of all our products is one year and all spare parts will be provided fast and cheap forever. 

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

bearing
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

bearing
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

bearing
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.

China factory Kehan Self-Propelled River Trash Skimmer Garbage Cleaning Boat Aquatic Weed Cleaning Boat Aquatic Weed Removal Machine Seaweed Water Hyacinth Harvester near me shop China factory Kehan Self-Propelled River Trash Skimmer Garbage Cleaning Boat Aquatic Weed Cleaning Boat Aquatic Weed Removal Machine Seaweed Water Hyacinth Harvester near me shop