China high quality Iron Casting Belt Pulley near me shop

Product Description

  Sand Casting /Grey iron sand casting/Ductile Iron Casting/steel casting

  Product description
 

Description OEM grey and ductile iron casting from Chinese factory
Casting process precoated sand casting/precision casting/shell mold casting
Material Gey iron casting of GG15.GG20.GG25.GG30.GG35, Ductile iron casting of GGG40-,GGG50,GGG60,GGG70,GGG80, QT400-18QT450-10QT500-7QT600-3
Certificate TS16949,SGS
Brand   RSIN
Surface Paint in Black, grey or red according to customer’s requirment,KTL
Machined by CNC Vertical lathe and CNC machining center
Packing Wooden pallet
Balance test  Available
Application Automative, pump and valve, other machinery part

 
Company Introduction

1. Busines type: manufacturer with foundry and machining shop
2  Our products: brake drum and wheel hub, other cast iron sand castings.
3. Factory size: more than 120,000 square meters,
4. Number of employees:  around 300 employee
5Year established: since  2007
6. Production capacity: 20000T/Year
7. Certification:  TS16949, SGS.
8. Customers:  Axle manufacturer,  truck and semi tractor manufactuer, and other machinery parts
9. Casting method: Iron based precoated sand casting and precoated shell casting.

Our Advantages:

(1)    Competitive price, all products are casted and machined in our factory, shipped directly to customer.
(2)    Reliable quality,  TS16946 certified casting manufacturer, we have strict control about quality.
(3)    Professional, we focus on production of heavy duty truck & trailer wheel hub and brake drum for more than 10 years.
(4)    Fast shipment,  we have a efficient management system, several automatic casting lines, and more than 10 machining lines.
(5)    Excellent service, our sales team has more than 10 years’ experience in oversea market, we know you better.
(6)    Flexible production, we can customize the product according to your drawing.

Introduction of  casting process:

Our casting process is the iron based  precoated sand casting and shell mold sand casting, with this method, a smooth casting surface can be achived For the iron based precoated sand casting, The inner quality is better because of the shock chill of the iron mold.

   There are other  types of casting method in different foundries, such as low wax casting, precision silican casting, lost foam casting, vaccum casting, resin sand casting, green sand casting, clay sand casting.centrifugal casting. powder casting, die casting.  Different method require different moulding sand, and casting surface and inner quality is different according to different moulding sand. 

   According the material, there are grey iron sand casting, ductile iron sand casting, stainless steel casting, carbon steel casting, high Mn steel casting, bronze casting, aluminum casting.

   Different size ,weight, quantity and material of the castings should use differrent casting method.  Small size and weight stainless steel casting should use the precision silican casting or lost wax casting to get good dimension and outlooking.  Big part and small quantity can choose green sand casting and clay sand casting, the cost will be lower. For batch quantity and small size aluminum can use die casting, fast, good looking and good quality. 

     Contact us for more information,  we are professional and can customize your requirment according to your drawing, and we have  experienced engineers to analyse  your drawing and give you best soltuion.

Factory View

Test Equipment

     Certificates

With our customers

         FAQ                 
1. Are you a factory or trading company? 
We are a TS16949 and IGS certified factory specilizing in producing brake drum and wheel hub and other castings. We cast and machine the parts for more than 10 years.

2. Can you customize the parts according to the drawing?

We have professional technical dept, We are CZPT to customize your parts according to the drawings. 

3. Can you supply samples?

We can supply the samples for free, but you need to bear the delivery cost.

4. Do you have a min order quantity?
We don’t have a min order quantity, we can send you the parts if we have stock.  

5. What is the  period of sample production?

 It will take 45 days to develop new product.                
          
 

Contact me 

Pulley Type

There are several types of pulleys. These include fixed pulleys, load multipliers and movable pulleys. Below is a description of each pulley type. A load multiplier is a special type of pulley with multiple wheels for increased lifting capacity. It is used in a wide range of applications including power transmission and construction. Some common uses of pulleys are listed below.

moving pulley

Movable pulleys work by transferring the weight of a load to another object of the same mass. Since a live pulley is inherently frictionless and weightless, the force required to lift a load with it is the same as the weight of the load. This principle applies to tall buildings and residences. It is an excellent choice for lifting heavy objects such as furniture and washing machines.
A pulley is a mechanical device with a wheel that rotates on a shaft. The axle is attached to the wheel and is usually fixed. The movable pulley can be fixed or movable, both of which can change the direction of the force on the rope. Some pulleys can also change the magnitude and direction of the force. They are ideal for a variety of applications, from lifting heavy objects to transporting objects.
Another type of movable pulley works by transmitting force to another object. It has a free axis and the total force provided by the rope tension is balanced. Since the tension on the rope is constant in each segment, pulling 1 end of the rope will double the force on the shaft, resulting in 2 mechanical advantages. This mechanical advantage is the main reason why movable pulleys are so versatile.
Another form of moving pulley is called a KWL diagram. The KWL diagram summarizes the basic concepts of the drive wheel. KWL diagrams are an excellent way to assess a student’s understanding of the concepts discussed in the course. Word questions are a great way to check whether students understand concepts. When students answer the word questions correctly, the answer is yes!
pulley

Fixed wheel pulley

If you need to move heavy objects, a single fixed wheel pulley is not a good choice. Using a single fixed pulley might be similar to using a handbag, but it’s not very convenient. This type of pulley system relies on friction to transmit motion. As a result, it can slip and isn’t always reliable. Fortunately, you can find other options that work just as well.
Fixed pulleys are the most basic type of pulley. They consist of grooved wheels and ropes attached to objects. These pulleys make lifting easier. Because the rope or cable only moves in 1 direction, the movement of the object feels lighter. And they are also easy to install. However, before you buy a fixed wheel pulley, make sure it is strong enough to support the weight of the load.
The disadvantages of fixed pulleys are obvious. One of them is the lack of mechanical advantage. A fixed pulley pulls up with the same force as a single moving pulley, and a single fixed pulley is not particularly effective as a force multiplier. However, the effect is more pronounced when you combine multiple fixed-wheel pulleys. You will get double the power! So what do fixed wheel pulleys have to offer?
Fixed wheel pulleys can be as small as a ring. A single ring pulley requires twice as much force as the weight being pulled. Adding more loops to the rope will reduce the effort required to pull the weight. The mechanical advantage of a fixed pulley is proportional to the number of strands running to the free pulley. A 100-pound pull on the free end will lift a 300-pound load.
pulley

composite pulley

Compound pulleys are pulleys that can be used to change the direction of a control wire. It can also be used to modify the mechanical force of the wire by moving the item it is connected to. In galleons, compound pulleys are more common. They are often combined with other ropes for mechanical advantage. Here are some common uses for composite pulleys.
The ideal mechanical advantage of a pulley is equal to the number of rope segments that pull up the load. This means that the more rope segments, the less force is required. A compound pulley will have the ideal mechanical advantage of 2, which means it will generate more force than a simple pulley. Composite pulleys are also more efficient at transmitting force because their number of rope segments is usually equal to the unit weight.
Composite pulley systems use more than 2 pulleys and ropes. More pulleys will reduce the force required to move heavier objects. They are usually used in large sailboats. The system is also used on construction sites. It can be used for a variety of applications, including lifting large objects or transmitting electricity. You can imagine how it would change your life if you had to move a large sailboat, but the result would be the same: a composite pulley system would make it easier to lift a large sailboat.
Composite pulleys are also known as fixed pulleys. The fixed pulley is stationary, and the movable pulley moves back and forth. The latter is more effective when used with a detachable cord or strap. On the other hand, a moving pulley is a moving pulley and it gives you a mechanical advantage. You can imagine this pulley on a flagpole.

load multiplier

The multiplication system has 3 basic parts: the rope grab, the connector, and the pulley. While some basic multipliers may combine the 3 parts, the concept remains the same. The multiplication system can make pulling the rope easier by reducing the amount of friction that occurs. Below are some examples of multiplication systems. A compact rope grab is a great option for resetting the multiplier.
The load reduction that a pulley system can achieve is proportional to the number of ropes used to support it. Although most utility pulley systems use only 4 ropes, the theoretical maximum load reduction is a quarter of the actual load. In other words, the four-wheel system only reduces the weight of a 1,000-pound load by a quarter. That would require 167 pounds of force, a far cry from the 500-pound load a single pulley system can achieve.
The mechanical advantage of a pulley system can be calculated by calculating the ratio between the forces exerted on each wire. For example, a 90-kilogram load is supported by 3 ropes, each weighing about 30-5 pounds. The ropes on pulleys A and B each carry a load of 60 kg. Using this formula, a single pulley system will yield a mechanical advantage over 2 tractors.
To calculate the force required to pull the rope over the pulley, measure the angle and deflection between the ropes. The deflection angle when added to the included angle should equal 180 degrees. A 75 degree angle requires 159% of the load force. This means a total load multiplier of four. This formula is an important tool for calculating the force multiple of the pulley.
pulley

Disadvantages of fixed pulleys

There are 2 basic types of pulleys: movable and fixed. Active pulleys are more advanced, allowing the pulley to move according to the load. They reduce the force required to lift the load. Active roller pulleys are more compact and therefore take up less space. Both types are good for lifting heavier objects, but they each have their pros and cons.
Fixed wheel pulleys can be used to lift heavy objects. This type of pulley consists of a wheel with a fixed shaft that has grooves on its edges for guiding ropes or cables. This is a simple machine as no motor or engine is required to lift objects. When 2 or more wheels are used together, the ropes around the wheels form a powerful hoist.
Single wheel pulleys are not suitable for lifting. They tend to push things down. Also, they are unreliable because they rely on friction and can slip. Also, a single wheel pulley would require a lot of space. Another disadvantage of fixed-wheel pulleys is that they make it difficult to move heavy objects easily. Single fixed-wheel pulleys also tend to slip easily, making them a poor choice for many applications.
Fixed wheel pulleys are also easier to install and maintain than manually operated ones. It requires less space and lubrication than manual pulleys. Manual pulleys can cause injury because the operator will be lifting the full weight of the heavy object. Additionally, rope slippage can lead to muscle strains and rope burns. And the system requires frequent maintenance.

China high quality Iron Casting Belt Pulley     near me shop China high quality Iron Casting Belt Pulley     near me shop

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