China Standard Semi Trailer Spars Parts 12t -16t Axle/Heavy Duty Trailer Axle with Best Sales

Product Description

Semi Trailer Spars Parts 12t -16t Axle/Heavy Duty Trailer Axle

Our company will offer you the high quality products with a low price, quick delivery,and professional after-sale service.

HangZhou Chary Machinery CO., LTD  
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13t 16t  Square Beam Truck Semi Trailer Axle/Heavy Duty Trailer Axle

 

For  Drum Axle Features :

 

 

 

1.Axle beam use 20Mn2 seamless pipe, through one-piece press forging and special heat-treatment, which has great over loading capacity and high intensity.

 

2.Axle spindle,which was processed by digital controlled lathe, is made of alloy material. The bearing position is processed by the method of hardending operation,therefore the bearing can be fixed by hand instead of heating, also convenient for maintain and fixing.

 

3.Axle spindle is connected by the by submerged arc welding, which make the whole beam more reliable and solid.

 

4.Axle bearing position is used the grinding machine to keep the bearing at the same level, after processing, it can assure that the concentricity within 0.02mm strictly. 

 

5.Axle grease lubricant is supplied by EXXON Mobile which could providehigh lubricating perforFor Mance and protect bearing well.

6. Axle brake CZPT is high perforFor Mance, non-asbestos, non pollution and long service life.To make check and replace easily, also come with the position of the exhaustion to remind customer to check and maintain.

 

7.Axle bearing is adopted famous brand in China, with the advantages of over loading 

 capability, High rotating speed, good intensity, abrade resistant and heat resistant.

 

 

HangZhou Chary Machinery CO., LTD
Call: 

 

13t 16t  Square Beam Truck Semi Trailer Axle/Heavy Duty Trailer Axle

HangZhou Chary Machinery CO., LTD
Call: 

Now we make:
A. Mechanical suspension: Casting or welded type. American style or Germany style. Design can be same as BPW, SAF, FUWA, YTE, ROR, MERITOR
B. Cantilever suspension (bogie), 24, 28, 32 ,36tons capacity. Design can be same as BPW, YORK
C. Axle: Stud hub or spider axle,12 to 20 tons payload, can be same design as BPW
D. Axle Tube: One piece type, axle if fabricated from 1 steel tube without welding
E. Air suspension system, most parts imported from Germany.
F. Landing gear: Single side operation or twin side operation landing gears for semi-trailers. Can be same design as JOST, HOLLAND, KIC
G. King pin:2″,2.5″ or 3.5″, welded or bolted in type.
H. Fifth wheel.2″ or 3.5″, forged or casting type. Can be same design as JOST, HOLLAND
I. Leaf spring: width 75mm, 90mm, 100mm or 120mm.
J. Turntable for semi-trailers and fully trailers, capacity from 2 to 100 tons. Design can be same as JOST.

K. Draw bar eye for dolly connection or full trailer
L. Towing hitch for dolly connection or full trailer
M. Full series of Wheel & rim:
Tube disc wheel 5.5-15, 5.5-16,6.5-20,7.0-20,7.5-20,8.0-20,8.5-20, 8.5-24
Tubeless disc wheel 6.0-17.5, 6.75-17.5, 7.5-19.5, 7.5-22.5,8.25-22.5,9.0-22.5,11.75-22.5, 13.00-22.5, 14.00-22.5, 8.25-24.5
Demountable rim  7.5-15, 7.5-20, 8.0-20, 6.75 x 17.5, 7.5-22.5, 8.25-22.5,9.0-22.5
N. Brake Chamber for semi-trailer, full series.  T12, T16, T20, T24, T30 single brake chamber. T24/30, T30/30 double brake chamber.
O. Twist lock, lifting type or JOST screw type
 
With the wide range, we can supply One-Station service to you!

HangZhou Chary Machinery CO., LTD
Mobile  

 

MULTIPLE SHIPPING WAYS TO SAVE SHIPPING FREIGHT FOR YOU

HangZhou Chary Machinery CO., LTD
Mobile  

WHY CHOOSE US?

Experience
10 years experience of production,sales,research and development in the field of special trucks.

Specialization
We can produce according to your demand, the material,the size, the color and the logo is optional for you.

Good quality
Has solid technology, advanced equipments ;Reliant quality and flexible modes of operation also have strict quality control system and passed the iso9001-2008 and the 3c (china compulsory certification),with SGS,BV certifcate as well.

Chassis supply
We have a very good long term cooperation relationship with chassis manufacturer, Such as SINOTRUK, BEIBEN, FAW, FOTON, IVECO, SHACMAN, SHXIHU (WEST LAKE) DIS.I, CIMC, XIHU (WEST LAKE) DIS.FENG and so on.

 

HangZhou Chary Machinery CO., LTD
Mobile  

OUR SERVICE

(1) More than 300 workers ,large and advanced production; 
(2) Have professional engineer,can offer the best solutions;
(3) With keeping good relation with SINOTRUK, FOTON, ISUZU, DFAC, FOTON, CZPT chassis factory.
(4) Build strict QC team to guarantee the quality;
(5) Own good sales team, can offer warm follow-up service.
(6) Spare Parts Supply:
We have our own spear parts departments,have strong production and distribution capability. We can satisfy your demand within 2-7 days. We always do our best to solve the problems, and put our customers’ interests in the first place. And We can Supply Spare Parts For Many Brands, Such as SINOTRUK, BEIBEN, FAW, FOTON, IVECO, SHACMAN, SHXIHU (WEST LAKE) DIS.I, CIMC, XIHU (WEST LAKE) DIS.FENG and so on.

HangZhou Chary Machinery CO., LTD
Mobile  

 

FAQ

1, How to purchase the trailer truck from your company?
You can choose the model from our website, also you can tell our sales manger your specific requirements and we will recommend the suitable model to you. After confirming the model and price, we can sign the contract.
 

2,How to ensure product quality?
Firstly,we passed the international quality system certification. Secondly, Made in China Group has conducted field certification for our factory. Finally,You can entrust third party individuals or organizations to inspect our products before delivery.
 
3, How to visit your factory? 
After you arriving at China, you can fly to HangZhou airport. HangZhou airport is located in HangZhou City, ZheJiang Province. Our driver will meet you at HangZhou airport and take you to our factory by car.

 

WELCOME TO CONTACT US

If you are interested in any of construction machinery for sale,please feel free to contact me. Also, welcome to China and visit our construction machinery factory for construction machinery price or to discuss more details.

HangZhou Chary Machinery CO., LTD
Mobile  
   

   

 

Screw Shaft Features Explained

When choosing the screw shaft for your application, you should consider the features of the screws: threads, lead, pitch, helix angle, and more. You may be wondering what these features mean and how they affect the screw’s performance. This article explains the differences between these factors. The following are the features that affect the performance of screws and their properties. You can use these to make an informed decision and purchase the right screw. You can learn more about these features by reading the following articles.

Threads

The major diameter of a screw thread is the larger of the 2 extreme diameters. The major diameter of a screw is also known as the outside diameter. This dimension can’t be directly measured, but can be determined by measuring the distance between adjacent sides of the thread. In addition, the mean area of a screw thread is known as the pitch. The diameter of the thread and pitch line are directly proportional to the overall size of the screw.
The threads are classified by the diameter and pitch. The major diameter of a screw shaft has the largest number of threads; the smaller diameter is called the minor diameter. The thread angle, also known as the helix angle, is measured perpendicular to the axis of the screw. The major diameter is the largest part of the screw; the minor diameter is the lower end of the screw. The thread angle is the half distance between the major and minor diameters. The minor diameter is the outer surface of the screw, while the top surface corresponds to the major diameter.
The pitch is measured at the crest of a thread. In other words, a 16-pitch thread has a diameter of 1 sixteenth of the screw shaft’s diameter. The actual diameter is 0.03125 inches. Moreover, a large number of manufacturers use this measurement to determine the thread pitch. The pitch diameter is a critical factor in successful mating of male and female threads. So, when determining the pitch diameter, you need to check the thread pitch plate of a screw.
screwshaft

Lead

In screw shaft applications, a solid, corrosion-resistant material is an important requirement. Lead screws are a robust choice, which ensure shaft direction accuracy. This material is widely used in lathes and measuring instruments. They have black oxide coatings and are suited for environments where rusting is not acceptable. These screws are also relatively inexpensive. Here are some advantages of lead screws. They are highly durable, cost-effective, and offer high reliability.
A lead screw system may have multiple starts, or threads that run parallel to each other. The lead is the distance the nut travels along the shaft during a single revolution. The smaller the lead, the tighter the thread. The lead can also be expressed as the pitch, which is the distance between adjacent thread crests or troughs. A lead screw has a smaller pitch than a nut, and the smaller the lead, the greater its linear speed.
When choosing lead screws, the critical speed is the maximum number of revolutions per minute. This is determined by the minor diameter of the shaft and its length. The critical speed should never be exceeded or the lead will become distorted or cracked. The recommended operational speed is around 80 percent of the evaluated critical speed. Moreover, the lead screw must be properly aligned to avoid excessive vibrations. In addition, the screw pitch must be within the design tolerance of the shaft.

Pitch

The pitch of a screw shaft can be viewed as the distance between the crest of a thread and the surface where the threads meet. In mathematics, the pitch is equivalent to the length of 1 wavelength. The pitch of a screw shaft also relates to the diameter of the threads. In the following, the pitch of a screw is explained. It is important to note that the pitch of a screw is not a metric measurement. In the following, we will define the 2 terms and discuss how they relate to 1 another.
A screw’s pitch is not the same in all countries. The United Kingdom, Canada, and the United States have standardized screw threads according to the UN system. Therefore, there is a need to specify the pitch of a screw shaft when a screw is being manufactured. The standardization of pitch and diameter has also reduced the cost of screw manufacturing. Nevertheless, screw threads are still expensive. The United Kingdom, Canada, and the United States have introduced a system for the calculation of screw pitch.
The pitch of a lead screw is the same as that of a lead screw. The diameter is 0.25 inches and the circumference is 0.79 inches. When calculating the mechanical advantage of a screw, divide the diameter by its pitch. The larger the pitch, the more threads the screw has, increasing its critical speed and stiffness. The pitch of a screw shaft is also proportional to the number of starts in the shaft.

Helix angle

The helix angle of a screw shaft is the angle formed between the circumference of the cylinder and its helix. Both of these angles must be equal to 90 degrees. The larger the lead angle, the smaller the helix angle. Some reference materials refer to angle B as the helix angle. However, the actual angle is derived from calculating the screw geometry. Read on for more information. Listed below are some of the differences between helix angles and lead angles.
High helix screws have a long lead. This length reduces the number of effective turns of the screw. Because of this, fine pitch screws are usually used for small movements. A typical example is a 16-mm x 5-inch screw. Another example of a fine pitch screw is a 12x2mm screw. It is used for small moves. This type of screw has a lower lead angle than a high-helix screw.
A screw’s helix angle refers to the relative angle of the flight of the helix to the plane of the screw axis. While screw helix angles are not often altered from the standard square pitch, they can have an effect on processing. Changing the helix angle is more common in two-stage screws, special mixing screws, and metering screws. When a screw is designed for this function, it should be able to handle the materials it is made of.
screwshaft

Size

The diameter of a screw is its diameter, measured from the head to the shaft. Screw diameters are standardized by the American Society of Mechanical Engineers. The diameters of screws range from 3/50 inches to 16 inches, and more recently, fractions of an inch have been added. However, shaft diameters may vary depending on the job, so it is important to know the right size for the job. The size chart below shows the common sizes for screws.
Screws are generally referred to by their gauge, which is the major diameter. Screws with a major diameter less than a quarter of an inch are usually labeled as #0 to #14 and larger screws are labeled as sizes in fractions of an inch. There are also decimal equivalents of each screw size. These measurements will help you choose the correct size for your project. The screws with the smaller diameters were not tested.
In the previous section, we described the different shaft sizes and their specifications. These screw sizes are usually indicated by fractions of an inch, followed by a number of threads per inch. For example, a ten-inch screw has a shaft size of 2” with a thread pitch of 1/4″, and it has a diameter of 2 inches. This screw is welded to a two-inch Sch. 40 pipe. Alternatively, it can be welded to a 9-inch O.A.L. pipe.
screwshaft

Shape

Screws come in a wide variety of sizes and shapes, from the size of a quarter to the diameter of a U.S. quarter. Screws’ main function is to hold objects together and to translate torque into linear force. The shape of a screw shaft, if it is round, is the primary characteristic used to define its use. The following chart shows how the screw shaft differs from a quarter:
The shape of a screw shaft is determined by 2 features: its major diameter, or distance from the outer edge of the thread on 1 side to the inner smooth surface of the shaft. These are generally 2 to 16 millimeters in diameter. Screw shafts can have either a fully threaded shank or a half-threaded shank, with the latter providing better stability. Regardless of whether the screw shaft is round or domed, it is important to understand the different characteristics of a screw before attempting to install it into a project.
The screw shaft’s diameter is also important to its application. The ball circle diameter refers to the distance between the center of 2 opposite balls in contact with the grooves. The root diameter, on the other hand, refers to the distance between the bottommost grooves of the screw shaft. These are the 2 main measurements that define the screw’s overall size. Pitch and nominal diameter are important measurements for a screw’s performance in a particular application.

Lubrication

In most cases, lubrication of a screw shaft is accomplished with grease. Grease is made up of mineral or synthetic oil, thickening agent, and additives. The thickening agent can be a variety of different substances, including lithium, bentonite, aluminum, and barium complexes. A common classification for lubricating grease is NLGI Grade. While this may not be necessary when specifying the type of grease to use for a particular application, it is a useful qualitative measure.
When selecting a lubricant for a screw shaft, the operating temperature and the speed of the shaft determine the type of oil to use. Too much oil can result in heat buildup, while too little can lead to excessive wear and friction. The proper lubrication of a screw shaft directly affects the temperature rise of a ball screw, and the life of the assembly. To ensure the proper lubrication, follow the guidelines below.
Ideally, a low lubrication level is appropriate for medium-sized feed stuff factories. High lubrication level is appropriate for larger feed stuff factories. However, in low-speed applications, the lubrication level should be sufficiently high to ensure that the screws run freely. This is the only way to reduce friction and ensure the longest life possible. Lubrication of screw shafts is an important consideration for any screw.

China Standard Semi Trailer Spars Parts 12t -16t Axle/Heavy Duty Trailer Axle   with Best SalesChina Standard Semi Trailer Spars Parts 12t -16t Axle/Heavy Duty Trailer Axle   with Best Sales