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A

iwis accumulation conveyor chains for transport tasks

Accumulation conveyor chain

Accumulation conveyor chains have a large roller in the middle between the inner plates, which protrudes beyond the plates. In addition, the pins are extended and each have a so-called support roller at the end. The chain takes conveyed goods on the storage roller. If there is a barrier that prevents the conveyed material from passing through, the chain passes under the conveyed material.

See also Accumulation roller

Accumulation roller

Accumulation rollers are a central component of accumulation conveyor chains. They are in direct contact with the material to be conveyed. They are offered in different materials, e.g. As an ESD-capable plastic.

See also accumulation conveyor chain.

iwis CR corrosion resistant roller chains

Acid resistance

See Chemical Resistance

iwis agrisystems ELITE agricultural machinery chains

Agricultural machinery

Agricultural machinery chain is the umbrella term for all chains used in the agricultural sector.

See also baler chain, elevator chain, feed house chain, iwis catalogues.

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Alloying

An alloy is a mixture of at least two components that together form a metal. By tuning the alloying elements and their quantities, for example, the mechanical properties of steel can be specifically influenced.

iwis American standard ANSI roller chains

ANSI standard

The ANSI (American National Standards Insititute) standard is a common used standard for worldwide consistence of chains. Along with the British Standard, they are the most widely used standards for roller chains.

Also see British Standard.

iwis spike chains for thermoforming applications

Attachment

For a wide variety of functions and applications, inner or outer plates can be replaced by special attachments.

Also see attachment plates, bent attachment plates, special plates.

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Attachment plate

Attachment plates are plates for mounting attachments to the chain. They are attached to the chain instead of a standard inner or outer plate. They are also called attachment plates.

Also see attachment part, attachment plate.

Axle space

Axle spacing, also known as center-to-center distance is the distance between the centres of two sprockets in the chain drive.

Also see sprocket.

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B

b.dry corrosion-free and maintenance-free stainless steel chain

b.dry

The maintenance-free JWIS CF b.dry chains are made of corrosion-free base material (JWIS CF) combined with a sleeve made of a high-performance polymer. This effectively reduces wear in the chain joint and significantly extends wear resistance during extended maintenance intervals. Requires a Application of an absolutely dry chain, JWIS CF b.dry can also be used without initial and relubrication. The targeted selection of high-performance materials also allows the chain to be resistant to many acids, alkalis and high temperatures.

See also Stainless Steel Chain, Maintenance Free, CF Chain, JWIS.

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b.smart

b.smart describes a robust and durable accumulation chains in JWIS quality at an attractive price level.

See also JWIS, accumulation chain .

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b.triton corrosion-resistant chains from iwis

b.triton

The b.triton chain offers extremely high corrosion resistance due to a special zinc flake coating combined with a unique surface treatment and is more corrosion resistant than other coated chain on the market.

Also see roller chain, coating, corrosion resistant.

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ELITE baler chains from iwis agrisystems

Baler chain

Baler chains are used specifically for use in balers. The initial lubricant is precisely matched to the requirements of balers. This chain has an improved wear behaviour.

Also see agricultural machinery chain.

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Bearing pressure

The bearing pressure is an important value in the design of a chain drive. It indicates how much force per surface is available in a chain joint. The maximum allowed bearing pressure depends, for example, on the axial distance, lubrication condition and transmission ratio.

Also see design, iwis handbook of chain technology .

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ELITE cardan chain for use in fermentation chambers. From iwis.

Biplanar chain

In biplanar chains, the pins are alternately installed lying and standing. This allows the chain to be bent or diverted in two directions.

See also bolts, cardan chain

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Block chain

In a block chain, the inner link does not consist of two bushes and two inner plates, as it is usually the case for conventional chains, but it is made out of one solid piece. The engagement by the sprocket can usually only take place through every second link.

Also see inner link, inner plate, bush.

iwis breaking force determination of roller chains

Breaking load

he breaking load describes the force, usually given in Newton (N), which is commonly used to break a chain under test.

Also see chain design, Handbook of Chain Technology.

iwis agrisystems ELITE agricultural machinery chains

Bucket elevator chain

The bucket elevator chain, also known as bucket chain, is an elevator chain for transporting the conveyed material in attached trays.

Also see elevator chain.

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Bush

The bush is a central component of a chain. It is pressed into the inner plates and thus creates the inner link. The contact with the pin is also called the chain link.

Also see pin, chain link, inner plate, inner link.

Bush chain

The bush chain corresponds to the structure of a roller chain with the difference that no rollers are installed. Sprockets or guides thus run directly on the bushes.

Also see roller chain, sleeve.

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C

JWIS Pin Oven Chains - Can transport chain iwis

Can conveyor chain

Can conveyor chains or POC (Pin Oven Chain) are chains in which pins are mounted at regular intervals. On the rods there is a protective head to protect the conveyed goods. The chains are usually used to transport cans. They are similar in structure to tube transport chains, but have different ways of attaching the pin and different shapes of the protective head.

Also see Pin Oven Chain (POC) .

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Cast steel chain

Cast steel chains are suitable for applications with harsher environmental conditions. They are available in steel, stainless steel or plastic.

Also see Flexon.

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Catalogues

For the extensive range of chains available from iwis, there are partial or complete catalogues, depending on the type of chain. All of them are available free of charge.

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CCM Chain Condition Monitoring from iwis

CCM

The CCM (Chain Condition Monitoring) is the first industrial sensor for contactless measurement of chain elongation during operation. Recently, the CCM was replaced by the successor model CCM-S._x000D_
_x000D_
See also CCM-S, Condition Monitoring.

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CCM Chain Condition Monitoring from iwis

CCM-S

The CCM-S (Chain Condition Monitoring - Smart) is used for contactless detection of chain elongation during operation. Compared to the predecessor model CCM, the sensor has additional new functions. The CCM-S can now be connected to the majority of current industrial controllers via IO-Link. It also makes it easy to store the measured values in a cloud.

Also see CCM, Condition Monitoring.

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b.dry corrosion-free and maintenance-free stainless steel chain

CF b.dry

The maintenance-free JWIS CF b.dry chains are made of corrosion-free base material (JWIS CF) combined with a sleeve made of a high-performance polymer. This effectively reduces wear in the chain joint and significantly extends wear resistance during extended maintenance intervals. Requires a Application of an absolutely dry chain, JWIS CF b.dry can also be used without initial and relubrication. The targeted selection of high-performance materials also allows the chain to be resistant to many acids, alkalis and high temperatures.

See also Stainless Steel Chain, Maintenance Free, CF Chain, JWIS.

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CF corrosion-free stainless steel chains from iwis

CF stainless steel chain

At iwis, stainless steel chains are referred to CF (Corrosion Free) chains. Due to the use of austenitic stainless steel, these chains have the highest corrosion resistance. Stainless steel chains are usually delivered dry and should be lubricated before being put into operation. For this purpose, iwis offers a wide range of initial lubrications.

Also see Stainless Steel Chains, Initial Lubrication, Corrosion Resistant, Corrosion Protection, Stainless.

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Chain design

Design is the calculation of the necessary chain size based on an individual mission profile. iwis will be happy to support you in this process. Please fill in our design form for your enquiry.

Also see InduKet, Manual of Chain Technology.

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Chain drive

A chain drive is a system consisting of at least one chain and two sprockets. Other elements can be guides or tensioners, for example.

Also see sprocket, chain tensioner.

Chain Drive Calculation Program

Calculation and simulation programs are used for the design and development of chains. In addition to CAD programs, the InduKet program developed by iwis is one of our digital toolboxes.

Also see InduKet .

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Chain link

Chain link the part of the chain where two chain links interlock. Usually the link consists of a pin and bush.

Also see pin, bush.

Chain puller

For the installation of chains in the system, the chains are partially prestressed or have tensile forces due to their own weight. An assembly tensioner helps to pull the chain ends together to connect the chains through a plug-in link.

See also plug-in link, iwisTools.

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Chain slack

Chain slack occurs at the idle strand and with long chains. It indicates how far the chain deviates from the ideal line due to the slack.

Also see iwis Handbook of Chain Engineering.

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iwis breaking force determination of roller chains

Chain tension force

The chain tension force is a central, physical quantity in chain technology. It describes the force with which the chain is pulled. It is limited by technical parameters, such as the breaking force.

See also iwi's handbook of chain technology, design.

Chain tensioner

Untensioned chain parts can have a negative effect on wear and noise. Therefore, the unloaded half should be pre-tensioned with a predefined force by means of a chain tensioner.

Also see iwis manual of chain technology, unloaded half.

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Chain tools

Handling chains in customer applications requires the right tools. For example, iwis offers tools for opening and closing chain links. (iwiTools)

Also see chain puller, pin extractors.

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The chemical resistance of roller chains is tested in our iwis laboratory.

Chemical resistance

Chemical resistance is the property of a material or component that describes how the use of chemicals affects the service life of the component. For chemically resistant products, the length of time the product may be exposed to a chemical before protection fails increases.

See also service life.

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iwis CLA minimum quantity lubrication system

CLA

The CLA (Chain Lubrication Application) is a lubrication system for the automated lubrication of various types of chains. An applicator delivers lubrication where it is needed. This maximises the service life of the chain.

Also see Service life, Lubricating film.

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Coating

Coating is the process of applying a thin layer over a base body, such as the pin of the chain. The applied coating is adapted to the application and can optimise corrosion resistance, wear resistance or chemical resistance.

Also see Corrosion Resistance.

Condition Monitoring

Condition monitoring describes the monitoring of the condition of machines, systems or components. In the context of Industry 4.0, monitoring has become highly digitalised. This optimises maintenance intervals of plants and prevents breakdowns. iwis offers the CCM-S for monitoring the wear of chains during operation.

Also see CCM-S, CCM, maintenance interval.

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iwis connecting link with spring clip. Norm type E

Connecting link

A connecting link is used to close chains. There are different connect links:
Type E with spring
Type S with cottered pin
Type C Double crank link
or with safety plates
or washer

See also connecting link with spring, connecting link with cottered pin

Connecting link with splint fastening. Norm type S

Connecting link cotter pin type

For chains over 1 pitch, with case-hardened special steel cotter pins. Please note that the cotter pin must be bent completely around the pin on assembly to avoid inadvertent opening of the connecting
link Type S

See also connecting link.

Conveyor chain

On the one hand, a conveyor chain can be defined as a chain that generally serves the purpose of transporting goods. On the other hand, it also includes chains that are equipped with an attachment and usually have larger pitches. They differ from drive chains, which primarily serve the purpose of transmitting forces in machines.

Also see drive chain.

CF corrosion-free stainless steel chains from iwis

Corrosion protection

A selection of proven and newly developed coatings protect chains from passive to active corrosion protection. A lubricating film can also provide sufficient corrosion protection in some cases. Corrosion protection serves to improve corrosion resistance. In particularly demanding corrosive applications, chains made of special steels can offer a better performance than coated chains.

See also CR chain, CF chain, corrosion resistance.

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b.dry corrosion-free and maintenance-free stainless steel chain

Corrosion resistant

Corrosion resistance is the property that indicates how resistant a product is to corrosion. Corrosion-resistant products can be used in corrosive environments and media for much longer than non-corrosion-resistant products.
iwis divides corrosion-resistant chains into: corrosion-protected (coated) chains, corrosion-resistant chains (CR chains) and corrosion-free chains (CF chains).

See also corrosion protection.

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iwis CR corrosion resistant roller chains

corrosion-free

Stainless" or " non-corrosive" is usually used to describe steels that have very high corrosion resistance due to their material properties. In the technical environment of steel link chains, this colloquially refers to the highest resistance class, although absolute resistance is not given under all conditions.

See also corrosion resistance.

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iwis CR corrosion resistant roller chains

CR chain

High-alloy and hardened chrome steel lends JWIS CR chains good corrosion resistance with much higher strength than iwis CF chains.

See also Corrosion Resistance.

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iwis cranked link with plint fastening norm type type L

Cranked chain link

A cranked chain link is necessary in applications where an odd number of chain links is required. By using a cranked chain link, the breaking force of the chain is reduced by approx. 20 %.

Also see double link.

Customer Service

For our customers, iwis offers extensive services and support. If you have any questions about our products, you can contact us at any time and without any obligation.

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D

Distance

Rotation refers to the regular distance at which, for example, add-on parts are installed on chain links.

See also attachment.

Double (cranked) link

The pin of this link has a press fit.
Available for simplex chains from 6 mm to 1 incl. for DIN 8187 and DIN 8188 (ANSI). Norm type C

Double (cranked) link

The double link is a special form of a cranked link. It consists of an offset chain link and an inner link.

Also see cranked link.

Double pitch chain

Double pitch chains are primarily used in agricultural machinery construction or in conveyor applications. They are characterized by the fact that the division is twice as large as in a standard chain. The remaining dimensions of the chain remain the same.

See also Agricultural Machinery Chain, Short pitch Chain.

Duplex chain

In case of a duplex chain, the pin is made longer compared to a simplex chain. This makes it possible to mount another row of inner links on the pin. This type of chain also requires double-row sprockets.

Also see simplex chain, triplex chain.

E

ecoplus

ecoplus is the economic brand of iwis. It is suitable for applications with a low load spectrum.

Also see catalogues.

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Elevator chain

Elevator chains are used, for example, in the agricultural sector. They are used for vertically conveying bulk material.

Also see bucket elevator chain.

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ELITE

ELITE chains are the iwis brand for high demands, offering high quality. In addition to chains, ELITE also offers a comprehensive range of additional products including sprockets, lubric.

Also see JWIS, catalogues.

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ELITE initial lubricants

ELITE chains are provided with specially developed initial lubricants. The lubricant can be selected according to the respective application.

Also see Initial lubrication, Lubricant.

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The iwis chain calculation program can be used to design the right chain for the application.

Elongation

Elongation is probably the most important criterion when it comes to chain wear. The wear is caused by abrasion between the bush and pin in the chain link. Depending on the requirements for positioning accuracy and synchronous running, elongation of up to 3 % is permitted.

See also Wear, Chain link.Load Chains

Eurochain (EC)

The Eurochain (EC) product brand offers a specially coordinated product range for a variety of different applications at a very good price-performance ratio.

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F

Fatigue strength

During operation, chains are subject to dynamic forces and this leads to fatigue. The fatigue strength of a chain is the maximum dynamic load that a chain can withstand without failure for up to 1^7 load cycles.

Feeder chain

Feeder chains are a structural element of agricultural machinery. Their function is to convey unprocessed food.

Also see agricultural machinery chain.

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ELITE accumulation conveyor chains with finger and part protection from iwis

Finger and parts protection

Finger and parts protection is recommended when using accumulation conveyor chains if working directly on them or if there is a risk of objects falling into the chain.

Also see accumulation conveyor chain.

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Flanged roller

Flanged rollers can replace the roller on the bush and serve as an additional guide for the chain or the conveyed material.

FLEXON

iwis offers a comprehensive flat top chain product programme under the FLEXON product brand, as well as numerous special chains and special designs for a wide range of applications.

Also see flat top chain, plate chain, multiflex chain.

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MEGAlife maintenance-free iwis roller chains for food applications

Food-safe

Food-safe products must not be toxic, nor may they alter the taste or smell of the food with which they come into contact.

Fretting corrosion

Fretting rust is a wear process that can occur with low backlash between two moving components. Especially in the chain link, this effect can occur. The effect is significantly enhanced, especially in the case of a lack of lubrication.

See also wear, chain link

G

iwis agrisystems ELITE agricultural machinery chains

Gathering chain

Picking chains are chains for harvesters such as corn pickers. They must have high wear resistance under adverse conditions.

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Grip chain

Grip chains have an attachment that can be used for transporting and positioning thin-walled and large-area soft foils as well as sheet materials.

Also see Conveyor chain, Attachment .

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Guide rail

Guide rails are components used to restrict the movement or degrees of freedom of the chains. They can be used for smoother and more controlled chain running.

H

Handbook for Chain Engineering

The Chain Handbook contains a large part of the relevant calculations for chain design. It is available free of charge on the iwis homepage.

See also Design.

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Hardening

Hardening of steel is a form of heat treatment. The surface or the entire workpiece can be hardened in a targeted manner. A harder surface increases wear resistance in many applications. However, chosing a too high degree of hardness can also make the hardened components brittle.

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Heavy Series (H)

Reference to heavy chain names.

iwis application: Use of a high-temperature lubricant in the production of bakery products

High-performance lubricant

High-temperature lubricants are characterised by the fact that their use is possible at high temperatures. An example of this is the initial lubricant IP4, which can be used at temperatures up to 250 °C.

Also see initial lubrication, lubricant, JWIS initial lubricants.

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Hoist chain

Round steel chains, also called hoist chains or anchor chains, are chains that are used, for example, in the construction industry. Hoist chains are currently not part of our product portfolio.

Hollow pin chain

In a hollow pin chain, the pins are provided with a pass-through hole. To achieve this geometry, the roller or bush is often omitted. Alternatively, a larger roller can also be used, which, however, protrudes beyond the plates. Attachments can be fitted to the chain through the hollow pins.

See also Attachments.

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I

iwis calculation program INDUket for the design of roller chains

InduKet

InduKet is the calculation programme developed by iwis for the design of chains.

Also see design.

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Industrieservice

Mit unserem iwis-Industrieservice unterstützen wir Sie bei der Instandhaltung und Wartung Ihrer Förderanlagen und Antriebssysteme.

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Initial lubricant

Before a chain is delivered, it is usually provided with an initial lubricant. It increases the service life of the chain enormously. If no lubrication is desired, the use of a b.dry or MEGAlife chain is recommended.

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Initial lubrication

Initial lubrication is another term for the first lubrication of a chain.

Also see initial lubrication.

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Inner (link) plate

The inner plate is installed in the inner links. It is usually used in a waisted or straight form. It usually has larger holes than the outer link plates because the bushes are pressed in here._x000D_
_x000D_
See also inner link, bush, outer link.

Inner link

The inner link consists of two bushes which are pressed into two inner plates. The inner link is installed alternately with the outer link. The inner link can be inserted to extend a chain or to repair it with two connecting links or two outer links. Standard type B

See also inner link plate, bush, outer link plate.

Intermediate (link) plate

intermediate (link) plates are used in multiple roller chains. They replace the outer plates between the inner links.

Multiple roller chain, outer link.

Intermediate carrier chain

intermediate carrier chains are used for the horizontal and vertical transport of loose goods such as grain or chips. A profile is mounted between two chains, which pushes the bulk material in the direction of transport.

See also conveyor chain.

IP initial lubricants

Lubricants starting with IP are initial lubricants from the brand JWIS. The lubricants cover a wide range of applications. So far, the following lubricants are available in this range: IP0 IP2 IP3 IP4 IP9 IP14 IP16 IPW

Also see Initial lubrication .

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J

JWIS

JWIS is the iwis brand for highest precision and quality. The chains are characterised by extended maintenance intervals, high fatigue strength and highly accurate positioning.

Also see iwis catalogues.

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L

iwis flyer chains. iwis places the highest demands on the quality of the chains and ensures this with extensive measures.

Leaf chain

Leaf chains are manufactured without a bush. Instead, only plates are mounted to the pin. This allows for significantly higher tensile forces. Since engagement with a sprocket is not possible, a fork must be inserted at the end of the chain or an end link must be mounted.

See also pin, outer link plate.

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Length tolerance

The accuracy of the chain length is an enormously important property of chains. It significantly influences the positioning accuracy and is a basic prerequisite for the parallel running of several chains. Therefore, iwis offers high-precision chains that exceed the accuracy required by the standard.

See also JWIS.

The iwis chain calculation program can be used to design the right chain for the application.

Lifetime

The lifetime of a product describes the period during which the product performs its function as intended. The range of service life depends on the product, its requirements from the application and compliance with the intended maintenance.

iwis flyer chains. iwis places the highest demands on the quality of the chains and ensures this with extensive measures.

Lifting application

Lifting applications are applications in which larger loads or even people are usually lifted. Since these applications are usually safety-critical applications, please inform iwis in advance if you want to use an iwis product for a lifting application - even if no declaration of conformity according to the Machinery Directive is necessary. Iwis will be happy to advise you individually in any case.
See also Safety Critical Application.

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Loaded half

The loaded half is the part of the chain drive that transmits the driving load so that it is under high tensile stress.

See also Unloaded half, iwi's handbook of chain technology.

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Long-life lubricant

Long-life lubrication aims to achieve the longest possible lubrication intervals. In addition, the use of a maintenance-free or low-maintenance chain can also be useful.

See also Initial Lubrication, CLA, MEGAlife I, Wax Lubrication.

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iwis JWIS accumulation chains with low-friction running rollers

Low-friction running roller

low-friction running rollers are a special feature of the JWIS range. They are made of a sintered material and have lower friction coefficients than standard rolls. They are used, for example, in some jam conveyor chains of the JWIS brand.

See also MEGAlife I chain.

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iwis offers a wide range of chain lubricants

Lubrication spray

In addition to the targeted lubricant application, e.g. with a CLA system, it is also possible to manually relubricate chains with a lubricating spray. With VP6 SuperPlus Spray and VP8 FoodPlus Spray, iwis offers both relubrication solution for high temperature or food applications.

See also relubrication.

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M

b.triton low-maintenance roller chains from iwis

Maintenance

Special surface treatments of the chain joints achieve increased wear resistance. The relubrication intervals can be considerably extended compared to standard roller chains. Both maintenance intervals and service life of the chain depend strongly on the respective operating conditions in the application. _x000D_
_x000D_
See also Maintenance-free.

JWIS MEGALIFE maintenance-free roller chains iwis

Maintenance-free

Maintenance-free chains are equipped with a special joint design, which reduces wear without relubrication between the chain bolt and sleeve. This results in maintenance-free chains that can be operated for a longer period of time without relubrication._x000D_
_x000D_
See also low maintenance.

MEGAlife maintenance-free iwis roller chains

MEGAlife chain I

MEGAlife chains are the maintenance-free chains of the JWIS brand. The sintered bushes ensures a constant, minimal lubricating film in the chain link. As a result, the chain is permanently maintenance-free under certain conditions. MEGAlife I chains uses specially coated pins and can also be used in corrosive environments. In addition to roller and conveyor chains, transfer chains, accumulation conveyor chains or grip chains are also offered as MEGAlife chains.
See also MEGAlife II, maintenance-free.

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MEGAlife maintenance-free iwis roller chains

MEGAlife chain II

MEGAlife II chains follow the structure and principle of the MEGAlife I chain. The difference is in the special thermochemical processing of the pins, whereby pins and sintered bushes can be optimally matched to each other.

See also MEGAlife I, maintenance-free.

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Modular belt

With standard chains, usually only up to three chain strands are installed in parallel. With mat chains, a much larger number of plates are installed next to each other.

See also FLEXON.

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Multiflex chain

Thanks to their special design, MultiFlex chains make it possible to redirect the chain around small radii. As a rule, they have large contact surfaces for transporting the conveyed goods.

See also FLEXON.

Multiple strand connecting link

A multiple strand connecting link is a plug-in link with extended bolts. This makes it very easy to attach an attachment to the chain.

See also plug-in link.

Multiplex roller chain

Multiple roller chains are duplex or triplex chains.

See also Duplex Chain, Triplex Chain.

N

Number of links

The number of links of a chain indicates how many inner and outer links it consists of. Usually, a closed chain has an even number of links. An odd number of links can also be achieved by using an cranked link.

See also cranked link.

O

Outer link

The outer link consists of a pin block onto which an outer plate is pressed. It is installed in the chain alternately with the inner link. Standard designation type A

Also see inner link, pin block.

Outer link plate

The outer link plate is built into the outer links. They are usually used in waisted or straight form.

Also see outer link, waisted link, straight link, pin block.

P

iwis roller chains with straight sided plate

Pallet transporting chains

Pallet transport chains are characterized by straight plates, which allows the conveyed material to rest continuously on the chain.

Pin

The pins of a chain are a central structural element without which hardly any chain can work. The pin is often a short pin that is inserted through the bush of the inner link and has two outer plates riveted tightly to its ends.

Also see inner link, sleeve, outer link plate.

Pin extractor

A pin extractor is used to cut the chain to a certain length by pushing a pin out of the chain.

Also see iwiTools.

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JWIS Pin Oven Chains - Can transport chain iwis

Pin Oven Chain (POC)

Pin Oven Chain or POC are further names for the can transport chain.

See also can conveyor chain.

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Plate end link

Due to their special design, flyer chains require a special tab shape for connection to the environment. This is achieved by means of a tab end member.

Plate top conveyor chain

Plate top conveyor chains are usually based on a standing roller chain. In a fixed cycle, outer plates are replaced by plates on one side. This creates a large, closed transport area. They are also called plate chains or plate tape chains.

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Push-Pull chains

Push chains are a special feature among the chains. While standard roller chains can only transmit tensile forces, shear forces can also be loaded on pressure. Also known as anti-backbend chain.

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Q

iwis places the highest demands on the quality of its chains and ensures this with extensive measures.

Quality assurance

In order to constantly guarantee the highest quality for our customers, the chains and our processes are controlled by quality assurance. This is why iwis is certified by ISO 9001, among other things.

R

iwis offers a wide range of chain lubricants

Relubrication

Long-term lubrication is the supplement to the one-time initial lubrication. This is usually carried out at the customer's premises and differs greatly in its requirements and designs according to the application. If you have any questions or would like advice on the subject of lubrication, please do not hesitate to contact us!

See also CLA, initial lubrication, lubrication spray.

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Riveting

Riveting is carried out on chains on the pin. As a result, outer plates or support rollers are fixed to the pin in a form-fitting manner.

See also outer plates, support rollers.

Roller chain

As a generic term, roller chains are a large number of steel link chains that have a roller. The most important international standard for roller chains is ISO 606.

See also drive chains, conveyor chains

Rubber-topped roller chain

Rubber-topped roller chains have U-shaped attachments on which an elastomer is vulcanised.

Also see roller chain.

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S

iwis places the highest demands on the quality of its chains and ensures this with extensive measures.

Safety-critical application

In safety-critical applications, the failure of individual machine elements must be avoided at all costs, as this can lead to massive property damage or even personal injury. In this case, the correct selection and design of the chain is essential. Therefore, when using an iwis product in a safety-critical application, inform iwis in advance - even if no declaration of conformity according to the Machinery Directive is necessary. iwis will be happy to advise you individually in any case.

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Sealed chain

In sealed chains, O-rings (or other types) are fitted between the outer plate and the inner plate to prevent lubricant from leaking out and dirt from getting in. Providing a longer chain life.

Also see in Lubricant.

Seamless bush

Seamless cores are cores that are not wound, but are produced, for example, in an extrusion process.

Short pitch chain

Short pitch chains are ISO 606 single-pitch chains.

See also Long pitch chain, division.

Shot peening

If you want to increase the strength of the outer plates, one option is to use shot peening. The surface of the tab is compacted. This leads to increased residual stresses and higher fatigue strength.

See also outer tab.

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Shouldered pin

The British Standard is used to standardise the chains. Along with the ANSI standard, it is the most widely used norm standards for roller chains.

Also see ANSI Standard.

Shouldered pin

These pins have a smaller diameter at the ends. The outer plates can be pushed onto this shoulder as far as it will go. Make it extremly easy to dismentle - "Easy Break"

Also see pin.

Simplex chain

Simplex chains are chains in which one inner link is installed per bolt. For higher demands on the tensile force of the chain with the same pitch, duplex or triplex chains can be used.

See also single chain, duplex chain, triplex chain.

Single chain

Chains in which one inner link is installed per pin are referred to as single chains or simplex chains. Duplex or triplex chains can be used for higher demands on the tensile strength of the chain with the same pitch.

Also see simplex chain, duplex chain, triplex chain .

iwis SL roller chains Super Longlife from JWIS

SL chain

SL chains of the JWIS brand have an above-average service life due to extreme wear resistance, high uniformity, unprecedented precision, higher breaking forces and fatigue strength than specified by the standard.

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Slack

Slack is the term used to describe the deviation of the chain in the unloaded half from an ideally tensioned chain. It should be about one percent of the axial distance.

Also see iwis Handbook of Chain Technology, axial distance .

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iwis connecting link with spring clip. Norm type E

Spring connecting link

Available for chains up to 1 pitch. Should be
assembled with open end away from running direction of chain. Type E

See also connecting link.

Sprocket

The sprocket is the machine element that drives the chain. Due to the engagement of the teeth, there is a transmission of power. iwis also manufactures sprockets for every application.

Also see iwis catalogues.

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CF corrosion-free stainless steel chains from iwis

Stainless steel chain

According to EN10020, stainless steel refers to steels with a high degree of purity. In the vicinity of steel link chains, stainless steel chains are colloquially referred to as all chains that have increased corrosion resistance due to their alloy components. An example of stainless steel chains from iwis are CF chains with very high corrosion resistance.

See also CF chain, CF b.dry, corrosion resistant.

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CF corrosion-free stainless steel chains from iwis

Stainless steel chain

Stainless" or " non-corrosive" is usually used to describe steels that have very high corrosion resistance due to their material properties. In the technical environment of steel link chains, this colloquially refers to the highest resistance class, although absolute resistance is not given under all conditions.

See also corrosion resistance.

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Straight attachment plate

See mounting plates.

iwis roller chains with straight sided plate

Straight sided plate

With straight sided plates, the inner and outer plates are not waisted, but straight.

See also Waisted plate.

T

Transmission chain

DDrive chain is the generic term for chains which is used to transmit forces and moments.

Also see timing chain and conveyor chain.

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Triplex chain

With a triplex chain, the pin is longer than with a simplex chain. This makes it possible to mount two more rows of inner links on the pin. This type of chain also requires three-row sprockets.

See also Simplex Chain, Single Chain, Duplex Chain.

Tube conveyor chain

Tube conveyor chains are chains with extended pins on which a rod is mounted via an adapter. At the end of the rod there is a protective head. On this protective head lies in the application, usually thin-walled, conveyed material. The structure is similar to that of a can transport chain.

See also can conveyor chain.

U

JWIS roller chains with U-shaped attachment

U-shaped attachment

U-shaped attachments are plates that are bent into a U-shape. There are variants in which the bracket plate is mounted as an attachement to the side of the chain. Alternatively, a U-shaped attachment plate can replace the inner link plates of a chain link.

Also see attachment part.

Unloaded half

The Unloaded half is the part of the chain drive that does not exceed any force between the sprockets and thus usually has only low tensile forces.

Loaded half,iwis Handbook of Chain Technology.

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W

MEGAlife maintenance-free iwis roller chains

Waisted plate

Waisted plates are a waisted shape that is optimized in terms of tensile load. It is also referred to as a curly tab due to its waisted shape. Due to the weight and material savings, this is the standard waisted shape for many chain types.

See also straight plate.

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iwis b.dry maintenance-free stainless steel chains

iwis

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