Tag Archives: screw conveyor design

China Professional Customized Continuous Helicoid Flight Cold Rolled Spiral Blade Screw Conveyor Blade ball screw shaft design

Product Description

      Customized Continuous Helicoid Flight Cold Rolled Spiral Blade Screw Conveyor Blade 
 

Product Description

 

Screw conveyor series screw conveyor is divided into horizontal screw conveyor and vertical screw
conveyor from the angle of displacement direction of conveying materials. It is mainly used for
horizontal conveying and vertical lifting of various loose materials, such as powder, granular and
small pieces. It is not suitable for conveying deteriorative, viscous, caking or high temperature,
pressure-resistant and relatively high. Special materials with high corrosiveness. Screw conveyor
is widely used in various industries, such as building materials, chemical industry, power, metallurgy,
coal mine, CZPT and other industries. 

       Product name: Helicoid Screw Flight

       Other name: Screw blade, auger flight, auger blade, screw

       Material: Carbon Steel, Stainless steel, and other material

       Thickness: 2.5mm-6mm, 15mm-30mm

       Main Use: Usually, it is used on the screw conveyor and drill equipment.

       Main parameters as below: (we also can design as per customer’s request)
 

         Most screw conveyors contain the following components:
         •A conveyor screw, also known as a spiral blade or helicoid flighting
         •A screw conveyor trough or tubular casing
         •A drive unit (a shaft coupling and shaft seal or a chain drive)
         •The drive mechanism

         Most screw conveyors contain the following components:
         •A conveyor screw, also known as a spiral blade or helicoid flighting
         •A screw conveyor trough or tubular casing
         •A drive unit (a shaft coupling and shaft seal or a chain drive)
         •The drive mechanism

     A Screw Conveyor or auger conveyor is a mechanism that uses a rotating helical screw blade,
     called a flighting, usually within a tube, to move liquid or granular materials.
     They are used in many bulk handling industries.
     Screw conveyors in modern industry are often used horizontally or at a slight incline as an
     efficient way to move semi-solid materials, including food waste, wood chips, aggregates,
     cereal grains, animal feed,boiler ash, meat and bone meal, municipal solid waste,
     and many others. 

Technical data

Model
Specification

Helical Diameter mm

Pitch
mm

Speed r/min

Standard Volume Conveyance

Speed r/min

Standard Volume Conveyance

Speed r/min

Standard Volume Conveyance

Speed r/min

lv(m³/h)

lv(m³/h)

lv(m³/h)

n

Diameter

n

Diameter

n

Diameter

n

0.45

0.33

0.15

0.45

0.33

0.15

0.45

0.33

0.15

Medium-sized

LS200

200

200

100

16.9

12.4

5.6

80

13.5

9.9

4.5

63

10.7

7.8

3.6

50

LS250

250

250

90

29.7

21.8

9.9

71

23.5

17.2

7.8

56

18.5

13.6

6.2

45

LS315

315

315

80

52.9

38.8

17.6

63

41.6

30.5

13.9

50

33.1

24.2

11

40

LS400

400

355

71

85.3

62.5

28.4

56

67.3

49.3

22.4

45

54.1

39.6

18

36

Large

LS500

500

400

63

133.2

97.7

44.4

50

105.8

77.6

35.3

40

84.6

62

28.2

32

LS630

630

450

50

188.9

138.5

63

40

151.1

111

50.4

32

120.9

88.6

40.3

25

Oversize

LS800

800

500

40

270.7

198.5

90.2

32

216.6

159

72.2

25

169.2

124.1

54.4

20

LS1000

1000

560

32

379

277.9

126

25

296.1

217

98.7

20

236.9

173.7

79

16

LS1250

1250

630

25

520.5

381.5

174

20

416.4

305

139

16

333.1

244.3

111

13

         Material: carbon steel, manganese steel, stainless steel, can meet the requirements of customers
         from different way.
         Continued cold rolling when it has 2-8mm thickness, outer Dia. ≤800MM
         Continued twisting when it has 3-20 thickness.
         Feature/ characteristic: Stamping and extending which adapted for any product but need making
         specified mold.
         Finishing: rolled cold finishing or polishing, or as your requirments.
         Packing: Pallets for free fumigation if there is no special requirments.

Our Advantages

 

       The conveyor screw (a spiral blade coiled around a shaft) is housed inside the tubular casing, where it is
       driven at 1 end and held at the other. The trough may or may not feature a trough cover. Sometimes,
       screw conveyors feature a spiral blade, but no shaft. In this case, they are called shaft less screw
       conveyors, and the blade is driven at 1 end and free at the other.

1 We are ODM&OEM, design according to your drawing
2 Rich experience and good technology support( have engineers with more than 20 years experience)
3 Manufacturer and Trade Company
4 Low MOQ is accepted
5 100% inspection before delivery
6 Competitive price with high quality.
7 Convenient transportation

FAQ

Q: What is the payment method?
A: We accept TT (Bank Transfer), Western Union, L/C.
 1. For total amount under US$500, 100% in advance.
 2. For total amount above US$500, 30% in advance, the rest before shipment.
Q: What is your MOQ?
A: MOQ depends on our client’s needs, besides,we welcome trial order before mass-production.
Q: What is the production cycle?
A: It varies a lot depending on product dimension,technical requirements and quantity. We always 
try to meet customers’ requirement by adjusting our workshop schedule.
Q: What kind of payment terms do you accept?
A: T/T, western union,  etc.
 
Q: Is it possible to know how is my product going on without visiting your company?
 A: We will offer a detailed products schedule and send weekly reports with digital pictures and 
videos which show the machining progress.
Q: If you make poor quality goods,will you refund our fund?
 A: We make products according to drawings or samples strictly until them reach your 100% satisfaction.
And actually we wont take a chance to do poor quality products.We are proud of keeping the spirit of good quality.

You can look through our website to find your interest or email your any questions through
  below approach! We will reply to you within 12 hours.

 

After-sales Service: as Specification
Warranty: 6 Months
Condition: New
Samples:
US$ 5/Piece
1 Piece(Min.Order)

|

Order Sample

Metal Processing Machinery Parts
Customization:
Available

|

Customized Request

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Payment Method:







 

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Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

screwshaft

Screws and Screw Shafts

A screw is a mechanical device that holds objects together. Screws are usually forged or machined. They are also used in screw jacks and press-fitted vises. Their self-locking properties make them a popular choice in many different industries. Here are some of the benefits of screws and how they work. Also read about their self-locking properties. The following information will help you choose the right screw for your application.

Machined screw shaft

A machined screw shaft can be made of various materials, depending on the application. Screw shafts can be made from stainless steel, brass, bronze, titanium, or iron. Most manufacturers use high-precision CNC machines or lathes to manufacture these products. These products come in many sizes and shapes, and they have varying applications. Different materials are used for different sizes and shapes. Here are some examples of what you can use these screws for:
Screws are widely used in many applications. One of the most common uses is in holding objects together. This type of fastener is used in screw jacks, vises, and screw presses. The thread pitch of a screw can vary. Generally, a smaller pitch results in greater mechanical advantage. Hence, a machined screw shaft should be sized appropriately. This ensures that your product will last for a long time.
A machined screw shaft should be compatible with various threading systems. In general, the ASME system is used for threaded parts. The threaded hole occupies most of the shaft. The thread of the bolt occupy either part of the shaft, or the entire one. There are also alternatives to bolts, including riveting, rolling pins, and pinned shafts. These alternatives are not widely used today, but they are useful for certain niche applications.
If you are using a ball screw, you can choose to anneal the screw shaft. To anneal the screw shaft, use a water-soaked rag as a heat barrier. You can choose from two different options, depending on your application. One option is to cover the screw shaft with a dust-proof enclosure. Alternatively, you can install a protective heat barrier over the screw shaft. You can also choose to cover the screw shaft with a dust-proof machine.
If you need a smaller size, you can choose a smaller screw. It may be smaller than a quarter of an inch, but it may still be compatible with another part. The smaller ones, however, will often have a corresponding mating part. These parts are typically denominated by their ANSI numerical size designation, which does not indicate threads-per-inch. There is an industry standard for screw sizes that is a little easier to understand.

Ball screw nut

When choosing a Ball screw nut for a screw shaft, it is important to consider the critical speed of the machine. This value excites the natural frequency of a screw and determines how fast it can be turned. In other words, it varies with the screw diameter and unsupported length. It also depends on the screw shaft’s diameter and end fixity. Depending on the application, the nut can be run at a maximum speed of about 80% of its theoretical critical speed.
The inner return of a ball nut is a cross-over deflector that forces the balls to climb over the crest of the screw. In one revolution of the screw, a ball will cross over the nut crest to return to the screw. Similarly, the outer circuit is a circular shape. Both flanges have one contact point on the ball shaft, and the nut is connected to the screw shaft by a screw.
The accuracy of ball screws depends on several factors, including the manufacturing precision of the ball grooves, the compactness of the assembly, and the set-up precision of the nut. Depending on the application, the lead accuracy of a ball screw nut may vary significantly. To improve lead accuracy, preloading, and lubrication are important. Ewellix ball screw assembly specialists can help you determine the best option for your application.
A ball screw nut should be preloaded prior to installation in order to achieve the expected service life. The smallest amount of preload required can reduce a ball screw’s calculated life by as much as 90 percent. Using a lubricant of a standard grade is recommended. Some lubricants contain additives. Using grease or oil in place of oil can prolong the life of the screw.
A ball screw nut is a type of threaded nut that is used in a number of different applications. It works similar to a ball bearing in that it contains hardened steel balls that move along a series of inclined races. When choosing a ball screw nut, engineers should consider the following factors: speed, life span, mounting, and lubrication. In addition, there are other considerations, such as the environment in which the screw is used.
screwshaft

Self-locking property of screw shaft

A self-locking screw is one that is capable of rotating without the use of a lock washer or bolt. This property is dependent on a number of factors, but one of them is the pitch angle of the thread. A screw with a small pitch angle is less likely to self-lock, while a large pitch angle is more likely to spontaneously rotate. The limiting angle of a self-locking thread can be calculated by calculating the torque Mkdw at which the screw is first released.
The pitch angle of the screw’s threads and its coefficient of friction determine the self-locking function of the screw. Other factors that affect its self-locking function include environmental conditions, high or low temperature, and vibration. Self-locking screws are often used in single-line applications and are limited by the size of their pitch. Therefore, the self-locking property of the screw shaft depends on the specific application.
The self-locking feature of a screw is an important factor. If a screw is not in a state of motion, it can be a dangerous or unusable machine. The self-locking property of a screw is critical in many applications, from corkscrews to threaded pipe joints. Screws are also used as power linkages, although their use is rarely necessary for high-power operations. In the archimedes’ screw, for example, the blades of the screw rotate around an axis. A screw conveyor uses a rotating helical chamber to move materials. A micrometer uses a precision-calibrated screw to measure length.
Self-locking screws are commonly used in lead screw technology. Their pitch and coefficient of friction are important factors in determining the self-locking property of screws. This property is advantageous in many applications because it eliminates the need for a costly brake. Its self-locking property means that the screw will be secure without requiring a special kind of force or torque. There are many other factors that contribute to the self-locking property of a screw, but this is the most common factor.
Screws with right-hand threads have threads that angle up to the right. The opposite is true for left-hand screws. While turning a screw counter-clockwise will loosen it, a right-handed person will use a right-handed thumb-up to turn it. Similarly, a left-handed person will use their thumb to turn a screw counter-clockwise. And vice versa.
screwshaft

Materials used to manufacture screw shaft

Many materials are commonly used to manufacture screw shafts. The most common are steel, stainless steel, brass, bronze, and titanium. These materials have advantages and disadvantages that make them good candidates for screw production. Some screw types are also made of copper to fight corrosion and ensure durability over time. Other materials include nylon, Teflon, and aluminum. Brass screws are lightweight and have aesthetic appeal. The choice of material for a screw shaft depends on the use it will be made for.
Shafts are typically produced using three steps. Screws are manufactured from large coils, wire, or round bar stock. After these are produced, the blanks are cut to the appropriate length and cold headed. This cold working process pressudes features into the screw head. More complicated screw shapes may require two heading processes to achieve the desired shape. The process is very precise and accurate, so it is an ideal choice for screw manufacturing.
The type of material used to manufacture a screw shaft is crucial for the function it will serve. The type of material chosen will depend on where the screw is being used. If the screw is for an indoor project, you can opt for a cheaper, low-tech screw. But if the screw is for an outdoor project, you’ll need to use a specific type of screw. This is because outdoor screws will be exposed to humidity and temperature changes. Some screws may even be coated with a protective coating to protect them from the elements.
Screws can also be self-threading and self-tapping. The self-threading or self-tapping screw creates a complementary helix within the material. Other screws are made with a thread which cuts into the material it fastens. Other types of screws create a helical groove on softer material to provide compression. The most common uses of a screw include holding two components together.
There are many types of bolts available. Some are more expensive than others, but they are generally more resistant to corrosion. They can also be made from stainless steel or aluminum. But they require high-strength materials. If you’re wondering what screws are, consider this article. There are tons of options available for screw shaft manufacturing. You’ll be surprised how versatile they can be! The choice is yours, and you can be confident that you’ll find the screw shaft that will best fit your application.

China Professional Customized Continuous Helicoid Flight Cold Rolled Spiral Blade Screw Conveyor Blade   ball screw shaft designChina Professional Customized Continuous Helicoid Flight Cold Rolled Spiral Blade Screw Conveyor Blade   ball screw shaft design
editor by CX 2023-11-21