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Hangzhou Donghua Chain Group Co., Ltd is the biggest chain manufactory in China. This company is specialized in producing all kinds of standard chains and special chains, e.g. A or B series chains, automobile chains, stainless steel chains, combine harvester chains, heavy-duty cranked link transmission chains, stereo garage chains and maintenance-free chains etc.
We can provide S type, A type, CA type steel agricultural chains and attachments.
If you are interested in our products please feel free to contact us by e-mail. zhangxb@dhchain.com
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Agricultural chains:
Roller chains S standard Series:
S52 - S45 - S55 - S62
sprockets
K, M, SE attachments
Roller chains with hollow bearing pins:
A55 - A55TS - B255 - A55 anti-corrosion
sprockets
K, M, SE attachments
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Tsubaki offers both MR type and RF type steel roller chains for agricultural applications.
MR type steel roller chains have been designed to replace malleable chains. These chains can be used with the existing sprocket for malleable chains. They have higher tensile strength and longer service life, and provide smoother operation for drives and conveyors than malleable chains. Tsubaki MR type steel roller chains with various attachments can also be used for materials handling operations.
Tsubaki RF type steel roller chains have greater wear- resistance and higher tensile strength than MR type steel roller chains.
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Since agricultural machines are practically always outdoors, the chains used in them are directly exposed to adverse influences such as dust, dirt, cold and damp. What is more, after long idle periods in the winter their reliability is repeatedly tested to the extreme. In view of this we are particularly proud of our market leadership in the agricultural machine sector. We owe this on the one hand to the extreme robustness of our chains, on the other to their consistent availability. The Flexon range comprises chains and complete kits for almost all current agricultural machines in the world – meaning that urgent spare parts required during the harvesting season can be supplied immediately.
Straw elevator chains
Grain elevator chains
Maize harvesting chains
Maize cutting chains
Complete accessory for program for harvest machines
All chains can be delieverd in standard lengths or according to customer requirements in easily installable kits, for all agricultural machinery of all manufacturers.
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Tsubaki manufactures a complete line of chains, sprockets, and power transmission components for lift hills and water rides that meet the highest standards of safety and performance. Certified on-staff engineers ensure that each chain undergoes complete testing and evaluation for basic metallurgy, hardness, ductility, and pull. You get longer wear life, shorter lead times, and increased reliability and safety.
The top amusement parks count on Tsubaki's hands-on knowledge and experience to lift their performance to new heights.
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Working with leading manufacturers of food packaging and processing machinery, the Cross + Morse chain system is developed to provide unfailing operation throughout lengthy production cycles, 24 hours a day. Suitable for new or retrofit installation, the in-feed chain system is designed to incorporate attachments, custom-manufactured by Cross + Morse, to transport the product through continuous application processes without operator interaction.
Cross + Morse design and manufacture chain transmission systems for food manufacturing and packaging companies which complies with prevailing food and hygiene regulations. Our products are manufactured to ISO9001 certification and have proven durability and performance records operating in most food processing applications.
For conveying and transportation, a large range of attachments are available including standard stock K and M plates, extended pins, and hollow pin chain, in feed chains, crossfeed chains, flow wrap chains, accumulator chains and shrink wrap tunnel chains plus many custom designed attachments.
Stainless steel and special plated chains suitable for high temperature and corrosive applications can also be supplied.
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For conveyor applications, Tsubaki Attachment Roller Chains are made with a variety of standard attachments.
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KettenWulf develops and manufactures special conveyor and transport chains of all types and sizes, for applications in all industrial sectors. We also manufacture standard chains to DIN, ISO and ANSI specifications.
Our product range includes galle chains, draw-bench chains, block chains, lantern pinion, lifting chains and hinged gear racks for waterway locks and weirs.
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RUD Chains, due to their excellent chain core toughness, have high breaking strength and resistance to brittle fracture.
Although generally with increased case hardening depth of round steel link chains the breaking strength decreases, RUD chains combine a very high wear resistance with extraordinary high strenth and toughness. These characteristics permit safe operation, e.g. of a high capacity bucket elevator.
As strength and relation of mechanical and and tribological demand on a chain are dependant on the installation where the chain is used. RUD offers chains and components in Special qualities in differing combinations of wear resistance and breaking strength, to cater for all requirements.
All RUD chains and components in special qualities have a remarkable fatique fractures in operation. Chains and components are matched with regard to their resistance to operating stress.
Worldwide competention and continuous demand for the highest quality requires innovtive quality plans of all companies.
The most important principle of modern quality assurance is that quality is not merely achieved, but has to be produced. Our main objective today therefore is, to controll the formation of a product to an extent that faults do not even have the chance to emerge.
RUD have taken these requirements into account and introduced the RUD Quality Assurance System, described in our RUD Qualtity-Assurance-System-Handbook. The RUD Quality Assurance System uses the latestdevelopments in quality sciences. It meets the requirements of ISO 9001-14001, or officially acknowledged QA system and the demands of the car industry.
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Engineered Steel Chain
Ideal for bucket elevators, drives and rugged conveyor service
Available in pitch sizes from 1.645" to 7"
Welded Steel Chain
Economical conveyor products
Available in pitch sizes from 2.307" to 9"
Polymeric Chains
Light to medium duty conveyor and drive applications
Ideal for areas where corrosion resistance, weight reduction and friction are important
Available in pitch sizes from 1.63" to 3.5"
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Adapted conveyor chains:
Chains with straight plates
Chains with extended pins
Hollow bearing pin chains
Chains with K attachments
Chains with M attachments
Chains with BS attachments (K and M)
Extended pitch chains with attachments (K and M)
Chains with Z attachments (K and M)
Chains with V-shaped plates
Chains with serrated top plates
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For over 100 years, MORSE high quality domestic roller chain has provided exceptional value to our customers. When you choose MORSE roller chain, you are choosing an experienced chain manufacturer dedicated to the production of quality chain products. At Emerson Power Transmission our engineering and quality departments work closely with our production staff to make certain that our chain is manufactured to meet or exceed industry standards. When deciding which chain manufacturer to use, consider MORSE for all of your chain needs.
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Mining system for underground coal mining
The RUD-KBP longwall system is carefully designed for the most effective combination of chains, drive wheels, flight bars and connectors to achieve maximum service life. This longwall mining system results in precisely callibrated continiuous chain loops for AFC's. Mining components for underground coal mining such as chains, wheels, connectors and scrapers are used without surface hardening but heat treated to very high tensile strength.
A further feature is the use of chains and the RUD Dominator flat connector in combination with special design drive wheels for coal ploughs.
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THIELE offers a large variety of mining connectors. For all connectors THIELE guarantees a long service life due to high precision machining;
Product Range mining connectors:
- TKF- Connectors
- Flat Type Connectors
- Single Plane Connectors
- Shackle Connectors
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Thanks to a very large product range, an unceasing commitment to innovation, and extremely high quality levels, SEDIS is able to satisfy the requirements of the most demanding users
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Chain-guide: EP 1000 (PE-UHMW) green is a thermoplastic material with a very high molecular weight, whose main features are:
- a good wear resistance
- a low coefficient of friction
- a very low permeability
- an excellent resistance to the chemical agents
- a low unit weight
- an application temperature between -50°C/+ 70 °C
Beyond the EP 1000, we propose also other type of EP who can be used, on request,
for special applications: EP 1000 black (same characteristics as the green); EP 1000 naturalness
(same mechanical characteristics as the green, standards FDA); Anti-static EP 1000 black; EP 1000 charged
oil...
Other matters: If the application does not allow the use of the PE1000, we can carry out the parts
with following materials: Polymerized Pa 6, POM, PTFE, e.a.
Characteristics:
- Profile in EP 1000 - color green
- Available of stock in length 2 m
- Available in length up to 6 m (on request)
- Other dimensions and matters on request.
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Hangzhou Donghua Chain Group Co., Ltd is the biggest chain manufactory in China. This company is specialized in producing all kinds of standard chains and special chains, e.g. A or B series chains, automobile chains, stainless steel chains, combine harvester chains, heavy-duty cranked link transmission chains, stereo garage chains and maintenance-free chains etc.
If you are interested in our products please feel free to contact us by e-mail.
zhangxb@dhchain.com
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We offer heavy duty drop forged and round link chains for conveyors for ALL applications.
Our range includes:
- Forged Chain Links & Flights
- Plastic Flight Sleeves
- Sprockets
- Trailers
- Bolt n Go easy assembly system for forged chain
Round Link Chains for Conveyors:
- Idlers & Tail Wheels
- Driving Wheels, Sprockets &
Pocket Wheels
- Connecting Links
- Flight Attachments, Flight Bar
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Hangzhou Donghua Chain Group Co., Ltd is the biggest chain manufactory in China. This company is specialized in producing all kinds of standard chains and special chains, e.g. A or B series chains, automobile chains, stainless steel chains, combine harvester chains, heavy-duty cranked link transmission chains, stereo garage chains and maintenance-free chains etc.
If you are interested in our products please feel free to contact me by mail.
zhangxb@dhchain.com
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H-V and RPV Inverted Tooth Chain
Morse H-V Chains provide a new concept for the transmission of high torques with high shaft speeds. Smooth running drives, with low noise level, transmit up to 4000 kW with shaft speeds up to 12,000 rpm. Chain offers many design advantages over gears, roller chain or timing belt drives, saving both space and cost.
H-V and SC Inverted Tooth Chain
The latest HV design Inverted Tooth Chains provide the engineer wide scope in design for the transmission of high torques at high shaft speeds. Ranging from 3/8" to 2" pitch the chains can transmit up to 4000kw with shaft speeds up to 12000rpm. RPV chains are now also available to HV format with centre guide to metric widths; with special guiding for vertical shaft drives.
SC inverted Tooth Chains, conforming to ANSI standard dimensions, are available from 3/16" up to 2" pitch with widths up to 16 inches. Chains can be supplied with standard centre guide or with outside guides.
For applications requiring drive from both sides of the chain the double-sided Serpentine Chains and bi-flexing chains are available in 3/8", ½" and ¾" pitches.
Inverted Tooth Conveying Chains
The smooth back of the chain provides the ideal conveying surface for all forms of glassware, automotive components, castings, timber and many more. Special attachments can be built into the chain where specialist conveying is required. The hardened links also exhibit high resistance to wear.
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Tsubakimoto introduces its original spring roller for use in roller chain. When Tsubaki's SN Roller Chain engages with the sprocket, the new spring roller absorbs the force of the impact. The lower impact force results in lower noise levels. Compared with Tsubaki's standard RS Roller Chain (pre-lubricated), noise levels of SN Roller Chain are 6~8 dB lower. Directly interchangeable with standard roller chain of the same size.
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Development of low-maintenance and non-lubricated chains
After our development of lubrication-free technology, the demand for low-maintenance and non-lubricated chains has increased tremendously over the past few years. More and more customers choose this type of chain for economical as well as ecological reasons. The advantages are obvious. The use of low-maintenance and non-lubricated chains can lead to enormous savings for repairs and maintenance. Since in many cases, no relubrication at all is required, errors in relubrication and maintenance can also be avoided.
By means of extensive studies at our test stands, the research and development department at KettenWulf was successful in developing two basic techniques for manufacturing low-maintenance and non-lubricated chains. Depending on environmental conditions and ambient influences, we can offer non-lubricated chains in either sealed or unsealed design.
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Development of low-maintenance and non-lubricated chains
After our development of lubrication-free technology, the demand for low-maintenance and non-lubricated chains has increased tremendously over the past few years. More and more customers choose this type of chain for economical as well as ecological reasons. The advantages are obvious. The use of low-maintenance and non-lubricated chains can lead to enormous savings for repairs and maintenance. Since in many cases, no relubrication at all is required, errors in relubrication and maintenance can also be avoided.
By means of extensive studies at our test stands, the research and development department at KettenWulf was successful in developing two basic techniques for manufacturing low-maintenance and non-lubricated chains. Depending on environmental conditions and ambient influences, we can offer non-lubricated chains in either sealed or unsealed design.
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Over the past years, there has been a strong increase in the demand for low-maintenance and lubrication-free chains. More and more customers are
choosing chains of this type, mainly out of economic and ecological considerations. The advantages are obvious, as the use of low-main-tenance and lubrication-free chains greatly reduces maintenance and service costs.
Since post-installation lubrication is no longer necessary in many applications, the possibility of subsequent lubrication and maintenance faults is thus eliminated.
KettenWulf has developed a variety of seals for chains for use in special environmental conditions. These seals prevent the entering of dirt and fluids, thus ensuring good lubrication of the parts over longer periods. This can not only increase the service life considerably, it also extends the frequency of re-lubrication in comparison to earlier designs.
KettenWulf also offers special chain designs which need no re-lubrication at all. Depending on the requirements, either lubrication-free chains with
sealed or non-sealed bearing designs are used.
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LAMBDA Chain delivers the ultimate in power transmission technology — long-term operation without additional lubrication. Our patented design combines a special oil-impregnated sintered bushing and coated pin for long-lasting, lube-free operation. The solid roller engages cleanly with sprockets, creating smooth articulation, reducing chain pull, and lengthening your system’s wear life. Choose from a wide range of styles, including drive, conveyor, corrosion-resistant, and attachment LAMBDA.
Long-lasting and maintenance-free, LAMBDA Chain saves you time and money.
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1. Problem/Initial situation
- Re-lubrication not possible or only partly possible
- Clean and dry environment
- Difficult access for maintenance
- Machine and material soiled from chain lubrication
2. iwis Solution
- A high performance, maintenance free chain with specially redesigned joints
- Innovative technical details result in an, as yet, unbeatable service life without re-lubrication
3. Highlights
- Excellent wear resistance - even at high speeds and heavy loads where conventional maintenance free chains stretch
- Maintenance free under certain conditions
- Extremely high levels of fatigue and breaking strength
- Easy to dismantle
- Reduced maintenance costs
- Less shutdown time of the machine
- Environmentally friendly due to the absence of re-lubrication
4. Technical Features
- Depending on the application it is available dry or with additional special lubrication
- Corrosion resistant
- Temperature range from -40 °C to +160 °C
- Available as a roller chain complying with DIN 8187 / ISO 606 for drive purposes or as conveyor chains with attachments
5. Areas of Application / Industrial Uses
- Packaging and Food Industry
- Printing Industry
- Conveyor Equipment
- Textile and Clothing Industry
- Paper Manufacture and Book Binding Industry
- Electronic Industry and Circuit Board Manufacture
- Wood, Glass and Ceramic Industry
- Medical Technology
- ...and everywhere else where re-lubrication is limited or not at all possible.
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Chain for champions
Racing is the ultimate test for man and machine; there is no room for compromise. That is why the biggest names in motorcycle racing, in the fastest classes on and off the road rely on the engineering experience and excellence of Tsubaki chain. Applying knowledge gained from racing, Tsubaki has developed advanced engineering and production methods to assure superior chain performance and value.
Minimum chain elongation
Tsubaki chain has perfectly cylindrical bushings and is pre-stretched for decreased initial elongation and increased wear life.
Superior push out force resistance
Quality quad-staked riveting of the pin heads ensures maximum resistance to push out force.
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Hangzhou Donghua Chain Group Co., Ltd is the biggest chain manufactory in China. This company is specialized in producing all kinds of standard chains and special chains, e.g. A or B series chains, automobile chains, stainless steel chains, combine harvester chains, heavy-duty cranked link transmission chains, stereo garage chains and maintenance-free chains etc.
If you are interested in our products please feel free to contact us by e-mail. zhangxb@dhchain.com
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From drive chains for use in industrial manufacturing machinery to agricultural vehicles – KettenWulf has the optimal product for your needs.
Whether you need a chain that will hold up under intensive continual use or one that will be resistant to temperature fluctuations and corrosion – KettenWulf has the answer. We have a wide range of drive chains in all DIN/ISO/ANSI dimensions complying with all international norms for various uses.
High-performance roller chains for drives and conveyors are part of our standard program. We successfully develop new special-purpose chains on a daily basis. We build roller chains up to size 400 with 127 mm pitch, as well as chains for oil fields and diesel marine drive chains.
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Ramsey Silent Chain transmits power efficiently, smoothly, and quietly at speeds and loads that exceed the capacity of other chains and belts. Power capacity ranges from a fraction of a horsepower to over 2,000 horsepower, with speeds exceeding 7,000 feet per minute. Product lines include economical ANSI Standard chains, high performance chains, as well as replacement chains for other manufacturers’ products.
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Transmission chains
