Product Description

01. Product Description

 

Product Description
Products	Name	Silicone Custom Parts
	Products category	rubber molded product
	Material	EPDM,NR,SBR,Nitrile, Silicone, Fluorosilicone, Viton(FKM), Neoprene, Urethane(PU), Polyacrylate(ACM), Ethylene Acrylic(AEM),  HNBR, Butyl(IIR), plastic like material (TPE, PU, NBR, silicone, NBR+TPE etc)
	Size	All size and thickness available.
	Shape	capable of all shapes as per drawing
	Color	Natural,black, Pantone code or RAL code, or as per client’s samples or requirements
	Hardness	20°~90° Shore A, usually 30°~80° Shore A.
	Surface finishing	Texture (VDI/MT standard, or made to client’s sample), polished (high polish, mirror polish), smooth, painting, powder coating, printing, electroplating etc.
	Drawing	2D or 3D draiwng in any image/picture format is OK
	Free sample	Yes
	OEM/OEM	Yes
	Application	Household, electronics, for vehicles like GM, Ford, Renault, Honda. Machinery, hospital, petrochemical, Military and Aerospace etc.
	Market	Europe, North America, Oceania
	Quality certification	ISO 90001:2008, TS16949, FDA, REACH, ROHS, SGS
	QC	Every order production will get more than 10 times regular check and 5 fives times random check by our professional QC. Or by Third party appointed by customer
Mold	Molding Process	Injection molding, mold processing, extrusion
	Mould type	processing mold, injection mold, extrusionmold
	Machines	350T vacuum pressing machine and other pressing machine at 300T,250T and so on
	Tooling equipment	Rubber tension tester, Rubber vulcanization instrument, Durometer, calipers, ageing oven
	Cavity	1~400 cavities
	Mould Life	300,000~1,00,000 times
Production	Production capacity	finish each mold of product in 3 minutes and working on 3 shifts within 24 hours
	Mold lead time	15~35 days
	Sample lead time	3~5 days
	Production time	usually 15~30 days, should be confirmed before order
	Loading port	HangZhou, ZheJiang , HangZhou or as required

02. Company Profile

HangZhou Brother Rubber company was established in 1996 year, Located in HangZhou,China. We are an OEM/ODM professional manufacturer focused on solutions of rubber and plastic products. It represents high quality and is backed up by our team of quality assurance experts and our ISO 9001 and TS 16949 certifications. Its plant occupies over 2500 square meters of land.

Our main customers come from Europe,America and Oceanica, Example: UK, USA, Spain, Denmark,Germany, Australia, Finland .

Our strengths are our ability to respond quickly and efficiently to customer needs, excellent quality standards, and top notch follow-up service. Our strong engineering team supports our ability to provide excellent quality and on-time delivery. Our reputation is based on good credit, quality and service which is highly appreciated by customers in European and North American market. With mature and stable management team, advanced equipment and leading technology, experienced marketing team, a good reputation among our customers, the Group is making every effort to create the new brand of rubber, plastic products, metal products, mold processing in the world.

“leadship through quality and service, To create value for customers is creating a future for ourselves” as our motto. Welcome overseas friends to visit our company. Looking forward to your support more!

Office:
Our sale office is located in HangZhou city downtown, ZheJiang Province, China. It is in 2~3 hours drive distance to both our factory and airport or sea port in HangZhou. It is also convenient to meet customers from different countries.

Products and materials:
Our company is engaged in manufacture Rubber and plastic parts. The main products include molded rubber parts, Extrusion silicone tube/strip, silicone sponge tube, Injection plastic parts, Extrusion plastic parts, Rubber sponge parts, PVC dipping.

We make these parts according to the drawings or samples from customers with various shape,dimension and color , Example rubber rings, bellows, seals,hose,plug,bumper and so on, The main rubber raw material is EPDM,NR,SBR,Nitrile, Silicone, Fluorosilicone, Viton(FKM), Neoprene, Urethane(PU), Polyacrylate(ACM), Ethylene Acrylic(AEM), HNBR, Butyl(IIR) with 30~90 Shore A hardness. The main plastic raw material is PP, PA, PE, POM, PC, PVC, PS, PVC, TPE, TPR, TPU ,Santoprene. Especially we have advantage in rubber seals and auto rubber parts, We have produced many parts for some automotive enterprise like,Rover,BMW, Opel, GM, Ford, Renault, Honda.

Profound experience:
Our engineers and QC experts are engaged in rubber plastic industry over 23 years. Our core management team has rich experience and deep understanding of rubber and plastic development.

Production capacity:
Factory is working 24 hours by 3 shifts every day, It takes only 3 minutes to finish 1 mold of products. (If 1 mold has 50 cavities, then we can produce 50PCS of products within 3 minutes). Production machines including 350T vacuum pressing machine, 300T pressing machine, 250T machines and more others.

Quality control and test:
It has more than 10 times of quality check for every order, beginning from raw material check to package check. Every production line has at least 2 QC staff for random check and regular check. Test: manufactory testing machine includes rubber tension tester, rubber vulcanization instrument, durometer, calipers, ageing oven for Density test, Elongation at break, Bonding strength, Pulling force test, twisting force test, Rergarding other test like anti-high/low temperature which will be tested by Third Party Testing Center as customer required.

Sale service:
Every salesman should be in service after strictly trained with productions knowledge and customer-service requirements. Be skilled in exporting business procedure and English communication.

 

How to Assemble a Pulley System

A pulley is a wheel that rotates on a shaft or shaft to support the movement of a taut cable. Pulleys allow power to be transmitted from the shaft to the cable.

Simple pulley

The simplest theory of operation of a pulley system assumes that the rope and weight are weightless and that the rope and pulley are not stretched. Since the force on the pulley is the same, the force on the pulley shaft must also be zero. Therefore, the force exerted on the pulley shaft is also distributed evenly between the 2 wires passing through the pulley. The force distribution is shown in Figure 1.
The use of simple pulleys is as old as history. Before the Industrial Revolution, people relied on muscle strength to carry heavy loads. Pulleys, levers and ramps make this possible. Today, we can see pulleys in a variety of systems, from exercise equipment to garage doors, and even rock climbers use them to help them reach greater heights. As you can see, these simple machines have been around for centuries and are used in everyday life.
Another simple pulley system is the pulley system. In this system, there is a fixed pulley at the top and a movable pulley at the bottom. The 2 pulleys are connected by a rope. This combination reduces the amount of work required to lift the load. Additionally, the ropes used in this system are usually made of rope and woven through the individual wheels of the pulley drum.
A pulley is an ingenious device that distributes weight evenly and can be used to lift heavy objects. It is easy to build and can be easily modified for a wide range of activities. Even young children can make their own with very few materials. You can also use simple household items such as washing machines, thin textbooks and even chopsticks. It’s very useful and can be a great addition to your child’s science and engineering activities.
The simplest pulley system is movable. The axis of the movable pulley can move freely in space. The load is attached to 1 end of the pulley and the other end to the stationary object. By applying force on the other end of the rope, the load is lifted. The force at the other end of the rope is equal to the force at the free end of the pulley.
Another form of pulley is the compound pulley. Compound pulleys use 2 or more wheels to transmit force. Compound pulleys have 2 or more wheels and can lift heavier objects. Dim is POLE2.

tapered pulley

It is important to clean and align the bolt holes before assembling the tapered pulley. The screws should be lubricated and the threads cleaned before installation. To install the pulley, insert it into the shaft keyway. The keyway should be aligned with the shaft hole to prevent foreign matter from entering the pulley. Then, alternately tighten the bolts until the pulley is tightened to the desired torque.
A tapered pulley is a basic structure. The pulley belt is arranged across 4 steps. Installed between the headstock casting and the main shaft, it is often used in the paper industry. It integrates with printing machinery and supports assembly lines. These pulleys are also available in metric range options, eliminating the need for ke-waying or re-drilling. They are easy to install, and users can even customize them to suit their needs.
CZPT Private Limited is a company that provides unique products for various industries. This large product is used for many different purposes. Also, it is manufactured for industrial use. The company’s website provides detailed specifications for the product. If you need a tapered pulley, contact a company in your area today to purchase a quality product!
Tapered pulleys are vital to paper mill machinery. Its special design and construction enable it to transmit power from the engine source to the drive components. The advantages of this pulley include low maintenance costs and high mechanical strength. Cone wheel diameters range from 10 inches to 74 inches. These pulleys are commonly used in paper mills as they offer low maintenance, high mechanical strength and low wear.
A tapered sleeve connects the pulley to the shaft and forms an interference fit connector. The taper sleeve is fixed on the shaft with a key, and the corresponding inner hole is fixed on the shaft with a key. These features transmit torque and force to the pulley through friction. This allows the tapered pulley to move in a circular motion. The torque transfer characteristics of this pulley are most effective in high speed applications.
The sleeve is the most important part when assembling the tapered pulley. There is an 8-degree taper inside the cone, which is closely connected to the inner surface of the pulley. Taper sleeves and pulleys are interchangeable. However, tapered pulleys can be damaged after prolonged use.

pulley pulley system

A pulley pulley system is a great way to move heavy objects. These systems have been around for centuries, dating back to the ancient Greeks. This simple mechanism enables a person to lift heavy objects. These blocks are usually made of rope, and the number of turns varies for different types of rope. Some blocks have more cords than others, which creates friction and interferes with the easy movement of the lifting system.
When using a pulley pulley, the first thing to decide is which direction to pull. Unfavorable rigging means pulling in the opposite direction. In theory, this method is less efficient, but sometimes requires a certain amount of work space. The benefit is that you will increase the mechanical advantage of the pulley by pulling in the opposite direction. So the interception and tackle system will give you more of a mechanical advantage.
Pulley pulleys are an excellent choice for lifting heavy objects. The system is simple to install and users can easily lift objects without extensive training. Figure 3.40 shows a pulley in action. In this photo, the person on the left is pulling a rope and tying the end of the rope to a weight. When the rope is attached to the load, the rope will be pulled over the pulley and pulley.
The blocks on the blocks are attached to the ends of the rope. This creates unique lifting advantages compared to single-line systems. In Figure 3, the tension of each thread is equal to one-third of the unit weight. When the rope is pulled over the pulley, the force is divided equally between the 2 wires. The other pulley reverses the direction of the force, but that doesn’t add any advantage.
Use pulleys to reduce traction and load. The weight of the load has not changed, but the length of the rope has increased. Using this method, lifting the load by pulling the rope 4 times reduces the force required to lift 1 foot. Likewise, if the pulley system had 4 pulleys instead of three, the length of the rope would be tripled.
The system can transmit loads in any direction. Rope length is determined by multiplying the distance from the fixed block to the load by the mechanical advantage. If the mechanical advantage is 3:1, then passing the rope through the pulley 3 times will produce the required traction distance. Also, the length of the rope will depend on the mechanical advantage, so if the load is 3 times the length of the rope, it will be more than 3 times the required length.