Product Description

Made in China, Sold to the world
Versatile, Easy, Affordable, Powerful, Reliable
 

 LW series Backhoe product description

 LW series Backhoe Product Description

 ^{LW series Backhoe It is used for dicthing in farms and grazing lands, CZPT pool, cleaning waterways as well as assistant excavating work in construction and building roads,planting and relocating trees,Hydraulic transmission is used. featured with compact structure. Flexibility, convenient operation and quick mounting and dismounting.}
_{Main sales territory: regions Europe, the United States, Russia, Ukraine, South America, Africa, southeast Asia and Australia.}

  LW series Backhoe Product Selling Points 

<sup>1. match tractors from 20hp to 150hp 
2. loading capacity 0.03m3 to 0.0666m3 
3. Bucket sizes 10"-22"
4. 3 Point Hitch Backhoe Specification & Features & Options:
5. 3 Point fits most tractors with a Category 1 Hitch.
6. Optionable Bucket sizes 10"-22" are all interchangeable.
7. Options Reservoir Tank with Filter.
8. PTO Pump and gear box.
9. Use hydraulic transmission,Compact structure, Flexibility and convenient operation
10. Quick mounting and dismounting,Share hydraulic oil with tractor
11. Highly standardized hydraulic elements
12. Meets multi-working demands with different sizes buckets</sup>
 LW series Backhoe product technical parameters

LW series Backhoe details show

Front end loader and backhoe details displayed

TZ series front end loader details display

Front end loader and backhoe container shipping link display

Picture display of tractors produced by our company

Our company produces other agricultural machinery display 

Factory introduction

^{ZheJiang Euro Star Machinery Manufacture Co., Ltd. is a professional agricultural machinery manufacturer integrating R&D, design, manufacturing, sales and service. The company products cover road transport machinery, harvest machinery, equipment for plant protection, agricultural implements and agricultural unmanned machinery.
As a professional machinery equipment manufacturer in China, the company has committed itself to provide all-round solution to global modern agricultural mechanization. The company has integrating high-end products and technologies resources around the world by upgrading of technologies, quality and service and bringing forth new ideas to create innovative products as so to improve reputation and market share of CZPT in the world step by step.
The company has worked out comprehensive quality manual and quality control procedure files at all levels based on ISO9001:2000, covering product development, part purchase, production and manufacturing, quality inspection, sales and after-market service, so as to control the product quality on the whole.
Supported by comprehensive quality assurance system and developed sales and service network, the company has made leaping increase of sales in domestic market via trustful quality and outstanding service mode. Besides, Most of the company's products have passed the European CE certification.products are exported to Europe, America, Latin America, the Middle East, Asia-Pacific, CIS, Africa and more than 50 countries and regions.Our products have been recognized by all foreign customers, and we are happy to establish long-term cooperative relationships with new friends.
Xihu (West Lake) Dis.g at satisfying the customers, we have worked hard to provide excellent and quick service to customers both at home and abroad via advanced technologies, developed products and comprehensive network so as to maximize the customer satisfaction.
In future, the company will adhere to the principle of sound business operation, continuous innovation and opening up and cooperation to create more high-end
machinery and equipment based on current ones for the society and for agriculture and contribute to global modern agriculture production.}

Agricultural machinery factory production equipment display 

Service 

One-stop business chain service support system
With an international service team with rich experience and excellent skill, company is committed to build a complete service guarantee system, which is professional, fast, efficient and comprehensive. Every consumer in overseas would receive a full-process service guarantee including pre-sales, on sale and after sales through the way of markets, spare parts, training service and technical support.

1) Market Service
_{^{Service Mode : Stationary Point + Circuit Service
Long-term Stationary Point Service
Short-term Circuit Technology Support Service
Service Process: Standard, High Efficient, Seasonable
Service Image: Professional, Unified}}

2) Spare Parts Service
Spare Parts Guarantee Measures: Dealer+ Spare Part Warehouse
100% original spare parts assure good quality;
Bar-code system adopted in the whole process assures accuracy and promptness;
Professional and accurate package and logistics assure safe and relieved transportation.

3) Training Service
Characteristic Training Mode: invite the technicians of dealers to factory for training, send  engineers to dealers for training; 
A full range of training tools, multi-language training materials, vivid training video;
Professional training teachers with rich service experience and good communication capability;
One-to-1 special assignment training;
Remote online network training;

4) Technical Support
The whole process Technology support covers on sale and after-sale service. 

Terms of the deal:

_{1). Delivery: 20 days for normal orders
2). Price: We have price on basis FOB HangZhou and CIF your destination for your choice
3). Payment terms for first order:
-----T/T 30% deposit and balance before shipment
-----100% L/C at sight
4). Payment for long terms cooperation of good reputation partners, we have SINOSURE insurance for our VIP clients, and we can offer credit service after we familiar with each other. We are looking for partnership for long-term business}

FAQ:

Why choose us?
1). The quality is guaranteed due to strong technical support ,first class component ,advanced production line and strict quality control system.
2). Be leading Expert in global market for more than 5 years, China Famous Export Brand recommended by CCCME (China Chamber of Commerce for Import and Export of Machinery and Electronic Products)
3). One-stop service with a large spare parts warehouse and professional service team .No matter where you are, you are guaranteed of Eurostar' s warm reception, trustworthy and efficient professional services and persistent care.

How Shipment?
We have worked with many world famous shipping carriers and can arrange shipment to any country in the world, it can save your time and money. We can provide airfreight and CZPT service.

Contact us
Mr. Duke Zhang
ZheJiang Euro Star Machinery Manufacture Co., Ltd.
Add: 198 HangZhou Street, Xihu (West Lake) Dis. District, HangZhou City, ZheJiang Province,P.R.C.
Web:eurostartractor

EUROSTAR CUSTOMERS ALL OVER THE WORLD

Screw Sizes and Their Uses

Screws have different sizes and features. This article will discuss screw sizes and their uses. There are 2 main types: right-handed and left-handed screw shafts. Each screw features a point that drills into the object. Flat tipped screws, on the other hand, need a pre-drilled hole. These screw sizes are determined by the major and minor diameters. To determine which size of screw you need, measure the diameter of the hole and the screw bolt's thread depth.

The major diameter of a screw shaft

The major diameter of a screw shaft is the distance from the outer edge of the thread on 1 side to the tip of the other. The minor diameter is the inner smooth part of the screw shaft. The major diameter of a screw is typically between 2 and 16 inches. A screw with a pointy tip has a smaller major diameter than 1 without. In addition, a screw with a larger major diameter will have a wider head and drive.
The thread of a screw is usually characterized by its pitch and angle of engagement. The pitch is the angle formed by the helix of a thread, while the crest forms the surface of the thread corresponding to the major diameter of the screw. The pitch angle is the angle between the gear axis and the pitch surface. Screws without self-locking threads have multiple starts, or helical threads.
The pitch is a crucial component of a screw's threading system. Pitch is the distance from a given thread point to the corresponding point of the next thread on the same shaft. The pitch line is 1 element of pitch diameter. The pitch line, or lead, is a crucial dimension for the thread of a screw, as it controls the amount of thread that will advance during a single turn.

The pitch diameter of a screw shaft

When choosing the appropriate screw, it is important to know its pitch diameter and pitch line. The pitch line designates the distance between adjacent thread sides. The pitch diameter is also known as the mean area of the screw shaft. Both of these dimensions are important when choosing the correct screw. A screw with a pitch of 1/8 will have a mechanical advantage of 6.3. For more information, consult an application engineer at Roton.
The pitch diameter of a screw shaft is measured as the distance between the crest and the root of the thread. Threads that are too long or too short will not fit together in an assembly. To measure pitch, use a measuring tool with a metric scale. If the pitch is too small, it will cause the screw to loosen or get stuck. Increasing the pitch will prevent this problem. As a result, screw diameter is critical.
The pitch diameter of a screw shaft is measured from the crest of 1 thread to the corresponding point on the next thread. Measurement is made from 1 thread to another, which is then measured using the pitch. Alternatively, the pitch diameter can be approximated by averaging the major and minor diameters. In most cases, the pitch diameter of a screw shaft is equal to the difference between the two.

The thread depth of a screw shaft

Often referred to as the major diameter, the thread depth is the outermost diameter of the screw. To measure the thread depth of a screw, use a steel rule, micrometer, or caliper. In general, the first number in the thread designation indicates the major diameter of the thread. If a section of the screw is worn, the thread depth will be smaller, and vice versa. Therefore, it is good practice to measure the section of the screw that receives the least amount of use.
In screw manufacturing, the thread depth is measured from the crest of the screw to the root. The pitch diameter is halfway between the major and minor diameters. The lead diameter represents the amount of linear distance traveled in 1 revolution. As the lead increases, the load capacity decreases. This measurement is primarily used in the construction of screws. However, it should not be used for precision machines. The thread depth of a screw shaft is essential for achieving accurate screw installation.
To measure the thread depth of a screw shaft, the manufacturer must first determine how much material the thread is exposed to. If the thread is exposed to side loads, it can cause the nut to wedge. Because the nut will be side loaded, its thread flanks will contact the nut. The less clearance between the nut and the screw, the lower the clearance between the nut and the screw. However, if the thread is centralized, there is no risk of the nut wedgeing.

The lead of a screw shaft

Pitch and lead are 2 measurements of a screw's linear distance per turn. They're often used interchangeably, but their definitions are not the same. The difference between them lies in the axial distance between adjacent threads. For single-start screws, the pitch is equal to the lead, while the lead of a multi-start screw is greater than the pitch. This difference is often referred to as backlash.
There are 2 ways to calculate the pitch and lead of a screw. For single-start screws, the lead and pitch are equal. Multiple-start screws, on the other hand, have multiple starts. The pitch of a multiple-start screw is the same as its lead, but with 2 or more threads running the length of the screw shaft. A square-thread screw is a better choice in applications requiring high load-bearing capacity and minimal friction losses.
The PV curve defines the safe operating limits of lead screw assemblies. It describes the inverse relationship between contact surface pressure and sliding velocity. As the load increases, the lead screw assembly must slow down in order to prevent irreversible damage from frictional heat. Furthermore, a lead screw assembly with a polymer nut must reduce rpm as the load increases. The more speed, the lower the load capacity. But, the PV factor must be below the maximum allowed value of the material used to make the screw shaft.

The thread angle of a screw shaft

The angle between the axes of a thread and the helix of a thread is called the thread angle. A unified thread has a 60-degree angle in all directions. Screws can have either a tapped hole or a captive screw. The screw pitch is measured in millimeters (mm) and is usually equal to the screw major diameter. In most cases, the thread angle will be equal to 60-degrees.
Screws with different angles have various degrees of thread. Originally, this was a problem because of the inconsistency in the threading. However, Sellers's thread was easier to manufacture and was soon adopted as a standard throughout the United States. The United States government began to adopt this thread standard in the mid-1800s, and several influential corporations in the railroad industry endorsed it. The resulting standard is called the United States Standard thread, and it became part of the ASA's Vol. 1 publication.
There are 2 types of screw threads: coarse and fine. The latter is easier to tighten and achieves tension at lower torques. On the other hand, the coarse thread is deeper than the fine one, making it easier to apply torque to the screw. The thread angle of a screw shaft will vary from bolt to bolt, but they will both fit in the same screw. This makes it easier to select the correct screw.

The tapped hole (or nut) into which the screw fits

A screw can be re-threaded without having to replace it altogether. The process is different than that of a standard bolt, because it requires threading and tapping. The size of a screw is typically specified by its major and minor diameters, which is the inside distance between threads. The thread pitch, which is the distance between each thread, is also specified. Thread pitch is often expressed in threads per inch.
Screws and bolts have different thread pitches. A coarse thread has fewer threads per inch and a longer distance between threads. It is therefore larger in diameter and longer than the material it is screwed into. A coarse thread is often designated with an "A" or "B" letter. The latter is generally used in smaller-scale metalworking applications. The class of threading is called a "threaded hole" and is designated by a letter.
A tapped hole is often a complication. There is a wide range of variations between the sizes of threaded holes and nut threads, so the tapped hole is a critical dimension in many applications. However, even if you choose a threaded screw that meets the requisite tolerance, there may be a mismatch in the thread pitch. This can prevent the screw from freely rotating.