Tag Archives: sprockets chains

China Wholesale New Product Professional Machine Made 925 Sterling Silver Necklace Chains double roller chain sprockets

Solution Description

women’s 925 silver jewelry chain metal pendant chain

 

Product NO. CN571
Top quality level Initial class, rustless,non-corrosion,no-fading
Components 925 silver 
Craftwork Minimize tube,CNC Engraved,Stone placing,Large polished , sandblasting, Matt ,Laser,Plating, Top quality examine,Bundle
Surface area Polish or Matte
Plating coloration As picture or 18K gold or rose gold or black
Dimension As your request .
Tolerance ±0.05mm , even can make the tolerance inside of ±0.02mm
MOQ 20-30pcs for each measurement for each product
Logo Can laser print  your emblem in accordance to your request 
Delivery time Sample Time 3-7 organization times
Bulk get 25-30 organization days after confirmation
Payment terms T/T ,Western Union , Paypal.
fifty% deposit before creation, the balance fifty% prior to transport
Shipping  DHL ,UPS ,EMS,Fedex, TNT, and many others.
three-7 times
Packaging Internal packing :1pcs/opp bag 50pcs/huge opp bag, 
Outer packing :five hundred-1000pcs/carton
OEM/ODM Recognized
Sample Sending samples very first for testing high quality is offered
Sample cost is refundable
Promise interval one-2years
Jewelry Exhibition HongKong Jewellery reasonable and others 
Manufacturing facility Check out Welcome

Aspiration Only Jewelry  Co., Ltd 
Expert substantial course jewelry & ring manufacturing unit  More than 10 many years historical past .
Have created secure business spouse relations with several famous European jewellery brands for 3 years

1.Organization Procedure

two.Craft procedure


  3.Best Good quality

one).High high quality from uncooked material,Eco-helpful and  sturdy

2)Superb Craft,specialists below With twenty many years of jewellery work experience

three)Rigorous high quality examine.Each and every jewellery will go via 2 times inspection 1 bye 1.
  A .Sample control, we will not begin to make the products until your affirm the sample.
  B .All you items will be manufactured by competent labor.
  C .We will create 2~5% much more merchandise to substitute the Defective Goods.
  D .The packing will be shock proof ,damp evidence and sealed.

four.Safety and quickly Shipping

Our organization cooperated with some famous transport organizations,they supply more affordable shipping and delivery cost and quicker transport time ,give our parcel protection excursion.
A variety of of Delivery way ,could ship as your request, generally transport date is about 3-7days.

five.Right after Sales:
1).We are extremely happy that customer give us some suggestion for price and merchandise.
two).If any query, remember to enable us know it in the 1st by E mail or Phone. We can deal with them for you in time.
3). We will send several new styles in each week to our old buyers
4).If the goods are eroded right after you obtain, make sure you permit us know so that we can compensate it to you in time.
 
six.Contact
Desire Only Jewelry Co., Ltd

Web site: dreamonlyjewelry

 
 
 
 
 
 
 

US $1.5-3.95
/ Piece
|
50 Pieces

(Min. Order)

###

Material: 925 Sterling Silver
Plating: Rhodium
Pendant Shape: Round
Suitable for: Female
Style: Fashion
Usage: Decoration, Health, Wedding Engagement or Aniversary or Gift

###

Samples:
US$ 30/Piece
1 Piece(Min.Order)

|
Request Sample

###

Customization:

###

Item NO. CN025
Quality level First class, rustless,non-corrosion,no-fading
Materials 925 silver 
Craftwork Cut tube,CNC Engraved,Stone setting,High polished , sandblasting, Matt ,Laser,Plating, Quality check,Package
Surface Polish or Matte
Plating color As photo or 18K gold or rose gold or black
Size As your request .
Tolerance ±0.05mm , even can make the tolerance within ±0.02mm ;
MOQ 20-30pcs per size per model
Logo Can laser print  your logo according to your request 
Delivery time Sample Time 3-7 business days
Bulk order 25-30 business days after confirmation
Payment terms T/T ,Western Union , Paypal.
50% deposit before production, the balance 50% before shipping
Shipping  DHL ,UPS ,EMS,Fedex, TNT, etc.
3-7 days
Packaging Inner packing :1pcs/opp bag 50pcs/big opp bag, 
Outer packing :500-1000pcs/carton
OEM/ODM Accepted
Sample Sending samples first for testing quality is available
Sample cost is refundable
Guarantee period 1-2years
Jewelry Exhibition HongKong Jewelry fair and others 
Factory Visit Welcome
US $1.5-3.95
/ Piece
|
50 Pieces

(Min. Order)

###

Material: 925 Sterling Silver
Plating: Rhodium
Pendant Shape: Round
Suitable for: Female
Style: Fashion
Usage: Decoration, Health, Wedding Engagement or Aniversary or Gift

###

Samples:
US$ 30/Piece
1 Piece(Min.Order)

|
Request Sample

###

Customization:

###

Item NO. CN025
Quality level First class, rustless,non-corrosion,no-fading
Materials 925 silver 
Craftwork Cut tube,CNC Engraved,Stone setting,High polished , sandblasting, Matt ,Laser,Plating, Quality check,Package
Surface Polish or Matte
Plating color As photo or 18K gold or rose gold or black
Size As your request .
Tolerance ±0.05mm , even can make the tolerance within ±0.02mm ;
MOQ 20-30pcs per size per model
Logo Can laser print  your logo according to your request 
Delivery time Sample Time 3-7 business days
Bulk order 25-30 business days after confirmation
Payment terms T/T ,Western Union , Paypal.
50% deposit before production, the balance 50% before shipping
Shipping  DHL ,UPS ,EMS,Fedex, TNT, etc.
3-7 days
Packaging Inner packing :1pcs/opp bag 50pcs/big opp bag, 
Outer packing :500-1000pcs/carton
OEM/ODM Accepted
Sample Sending samples first for testing quality is available
Sample cost is refundable
Guarantee period 1-2years
Jewelry Exhibition HongKong Jewelry fair and others 
Factory Visit Welcome

What to look for in a roller chain

There are many different factors to consider when purchasing a roller chain. One of the most important factors is tensile strength, which represents the force required to break the chain. Roller chains are available in three different tensile strengths: minimum, average and ultimate. Each strength reflects a different limit to the load the chain can handle. However, these limits are not always equal and you should be aware of the differences between roller chains.

Canonical chain

Most roller chains have standard sizes printed on the side panels. This is usually “40” or “C2080H”, but can also be the letter “B”. If the chain is old, it will need to be cleaned to see its size. You can find the size on the standard roller chain size chart, but not everyone is marked. To determine the size, measure the diameter and pitch of the chain, then compare the results to the chart to see what size you need.
Heavy-duty roller chains are available with heat-treated pins, side plates, and rollers. In addition to being heat treated, they are also factory pre-stretched, which reduces wear on these parts. If properly maintained, they can last for years, reducing the risk of failure or corrosion. Depending on the application, standard roller chains are available in different sizes. It can be purchased separately. There are several options to choose from, depending on the size and strength of the application.
PEER roller chains contain solid rollers to reduce shock loads on the sprocket teeth. Heat treating and preloading all components of the PEER chain helps minimize initial elongation. Hot-dip lubrication ensures complete lubrication of all chain components, extending their life and reducing maintenance costs. For heavy-duty applications, ASME/ANSI-B29.1 chain is a good choice.
Standard roller chains are made of steel or alloy steel. However, it can be made of other materials such as stainless steel. In addition to steel, stainless steel is often used in food processing machinery where chain lubrication is an issue. Brass and nylon are also sometimes used. However, they are not that popular. Therefore, you should always check with your supplier before purchasing. By comparing the tensile strength of two different chains and making an informed decision, you can get the best price and service.
chain

Chain without bushing

Bushless roller chains have advantages over conventional roller chains. Unlike conventional chains, bushless chains have extensive lateral flexibility, which increases the chain’s lubrication flow. The inner plates of bushless chains have protruding shoulders so the oil can flow through them more easily and efficiently. This is an important characteristic of a smooth-running chain. Additionally, bushless chains may have improved shifting performance.
The strength of a bushingless roller chain is measured in terms of tensile strength and fatigue strength. The former measures the load a chain can withstand before breaking. Fatigue strength is equally important, and factors that affect fatigue strength include the steel used to make the chain components, the pitch hole fabrication, the type of shot peening on the chain, and the design and thickness of the chain. For example, if the chain is too thin, it may not be enough for heavy-duty applications.
Like traditional roller chains, bushingless roller chains have two different types of links. The inner link has two inner plates connected by pins, while the outer chain has two outer plates held together by bushings. A bushingless roller chain is similar to a traditional chain, except it eliminates a step in the assembly process by stamping the tube into the inner plate. So if you want a smoother ride, a bushingless roller chain is a better choice.
There are two different sizes of bushingless roller chains. One size is designed for use with standard single-strand chains, while the other size is designed for use with double-strand or triple-strand chains. Bushless chains are generally shorter than conventional chains, so they can fit in tighter spaces. Bushless chains are made of the highest quality materials. These chain attachments are case hardened for optimum strength and durability.

Mute chain

The silent roller chain has a smooth, low-noise drive. They are made of stacked rows of flat chainplates with a gear-like profile that meshes with the sprocket teeth. Each chainplate is attached to a corresponding sprocket, which also allows the chain to bend. While these basic components are the same for every silent roller chain, there are many variations that allow them to be used in a variety of applications.
The most popular high-speed transmission, silent chains feature gear-like sprockets. They can be made from single or multiple strands of material. Single-strand chains are less expensive than multi-strand chains, but they tend to wear out faster if not lubricated. Single-strand roller chains can be used for years without lubrication, but for your application, wide silent chains are still worth considering.
The design and construction of silent chains make them ideal for conveying a wide variety of products. They have flat, heat-resistant surfaces. They are also durable and non-slip. They are available in a variety of pitch sizes, widths, and mounting styles. Whether you need chains for general purpose conveyors or glass bottle transport applications, we have you covered. Ask about the benefits of silent roller chain conveyors.
Inverted tooth chains are another option for quieter chains. These chains are designed to reduce noise from engine-related friction. Silent chains are more common, and manufacturers have fallen in love with them. A silent chain consists of several links connected to the sprocket teeth. Teeth rotate to reduce noise, vibration, and chord action. These are the main reasons why silent chains are so popular.
chain

ANSI chain pitch

To measure your bike’s chain pitch, you can use a caliper. This measurement is taken from the center of the rolling pin to the center of the next rolling pin. Chains come in many sizes, but ANSI is the most common chain standard in the United States. A caliper is handy if you’re not sure which size to buy, as it allows you to check for worn sprockets.
Chains that meet ANSI standards will be characterized by a certain pitch. This measurement is based on the width and spacing of the roll. The spacing is usually greater than the width. The standard number will be the right number for the width of the chain or the left number for the rollers. The number on the left indicates whether the chain is lightweight or heavyweight. Heavyweight chains are designated by the suffix “H”.
Common chain sizes are based on ANSI chain pitch. Pitch is the minimum distance between bushing and sprocket. The smaller the chain pitch, the greater the total distance between the two points. This means the chain will last longer. However, if you are buying a chain for a specific application, you should check the pitch carefully as it can affect the performance of the chain.

Roller chain wear measurement

The purpose of roller chain wear measurement is to prevent breakage by monitoring the strain on the chain. There are several ways to measure roller chain wear. The first is to remove the chain from its working position and measure the distance from the sprocket to its measuring end. Another way is to measure the pitch of the chain or the distance between two pins. This method is superior to other methods because it is convenient and accurate.
When measuring the wear of a roller chain, it is important to note that the elements of the chain will gradually deform. About 3.75% of the total wear will be on the pins and the rest will be on the internal links. These wear measurements will vary based on the nominal pitch of the chain and the amount of friction the chain is experiencing. Proper lubrication between pins and bushings, load and frequency of articulation all affect wear rates.
It is important to measure the amount of wear on the roller chain to avoid excessive machine failures. The longer the chain runs, the more wear it will wear. Although the length of the chain should be less than the center distance, the excessive load will cause premature wear. Therefore, lubrication is essential. Additionally, the sag of the chain should not exceed 2% to 4% of its center-to-center distance. Finally, check for unusual noise or visible defects. A common cause of excessive roller chain wear is the size of the load. Every chain manufacturer sets a maximum workload for its product.
There are several ways to measure roller chain wear. If using a high-speed drive, it should have at least 11 teeth, and a medium-speed drive should have at least 25 teeth. Also, be sure to check the length of the chain, even if you should. The same goes for the pin diameter, which should be the same or different pitch as the roller chain.

China Wholesale New Product Professional Machine Made 925 Sterling Silver Necklace Chains     double roller chain sprocketsChina Wholesale New Product Professional Machine Made 925 Sterling Silver Necklace Chains     double roller chain sprockets
editor by czh 2023-01-25