Version 2010 Handbook for chain engineering Design and construction / Examples of calculation www.iwis.com Tel: +49 89 76909-1500 Fax: +49 89 76909-1198 [email protected] www.iwis.com Power transmission chain A Chain wheels B Joh. Winklhofer Beteiligungs GmbH & Co. KG Company Headquarters, Parent of the independent subsidiary companies, Management Organisation of the Internationally operating companies iwis motorsysteme iwis antriebssysteme iwis antriebssysteme iwis agrisystems chain drives chain GmbH & Co. KG GmbH & Co. KG GmbH (Div.) Layout of Subsidiary for the automotive Subsidiary for the industrial A distribution and service Competence centre for the sector, for example chain drives sector, high precision chains and company within the chain iwis agricultural chain program for C and mass balance drives as well drive systems for a wide range drive industry combines and maize harvesting as oil pump drives and gear of applications box chains chain drives chain General information München (DE) München (DE) Wilnsdorf (DE) Sontra (DE) Landsberg (DE) Indianapolis (US) Indianapolis (US) Indianapolis (US) D Indianapolis (US) Langley (CA) Langley (CA) Langley (CA) Pune (IN) Johannesburg (ZA) Johannesburg (ZA) Johannesburg (ZA) São Paulo (BR) Meyzieu (FR) Meyzieu (FR) Meyzieu (FR) Seoul (KR) Othmarsingen (CH) Othmarsingen (CH) Othmarsingen (CH) Shanghai (CN) Porto Alegre (BR) Porto Alegre (BR) Porto Alegre (BR) Shanghai (CN) Shanghai (CN) Shanghai (CN) Strakonice (CZ) Tipton (UK) Tipton (UK) Tipton (UK) Chains for industrial use E Together, we are able to off er you even more Automotive chain driveschain F Conversion charts,Conversion iwis guideline chain 2 G Tel: +49 89 76909-1500 Fax: +49 89 76909-1198 [email protected] www.iwis.com Power transmission chain A Preface This present handbook for chain engineering represents a summa- This technical handbook extends the range of iwis publications Chain wheels ry of chain technology that the designer requires: Characteristics and should help the engineer assess and understand the theory of various components, calculating formulae and tables. All this is and practice of chain drives and the advantages available when Joh. Winklhofer Beteiligungs GmbH & Co. KG supplemented by descriptions and examples of calculations. iwis products are specified and selected. B Company Headquarters, Parent of the independent subsidiary companies, It is possible to have alternative solutions, which can be sup- Quality can only be assessed under arduous conditions. Exceeding Management Organisation of the Internationally operating companies ported by calculations, to a number of problems. Optimum results the limits, either upwards or downwards, leads toinevitable can only be obtained, if the basic information is known and well expense: Over specifi-cation is costly because products and proc- founded values are available from experience. The User can rely on esses are used that are too expensive, equally overload is costly assistance from our Technical Advisory Dept. and leads to premature failure. iwis motorsysteme iwis antriebssysteme iwis antriebssysteme iwis agrisystems This Department has vast applicational experience of chain drives The correct choice of product is possible only, if the following con- drives chain GmbH & Co. KG GmbH & Co. KG GmbH (Div.) ranging from the camshaft drive for high-speed racing engines to ditions are known: Subsidiary for the automotive Subsidiary for the industrial A distribution and service Competence centre for the the conveying of special components through drying ovens, from Layout of sector, for example chain drives sector, high precision chains and company within the chain iwis agricultural chain program for precision conveyors used in copying equipment, and the stop-go and mass balance drives as well drive systems for a wide range drive industry combines and maize harvesting operation encountered with power and free conveyor chains in practicable method of calculation and sound C as oil pump drives and gear of applications transfer lines in the motor industry. theoretical basis box chains assured empirical values based on sound experience Reliable products are identified by their accuracy, close tolerances proven figures from practical experience. and proven performance. These are the products that iwis supply. The latest issue of cata- iwis offers you all this as a package. logue “Precision Chains for Drive and Conveyor Purposes”, which drives chain is supplemented by a range of special leaflets, provides infor-mat- ion in respect of all available standard and special chains, chain General information München (DE) München (DE) Wilnsdorf (DE) Sontra (DE) wheels, tensioning devices and other chain drive accessories. Landsberg (DE) Indianapolis (US) Indianapolis (US) Indianapolis (US) Indianapolis (US) Langley (CA) Langley (CA) Langley (CA) D Pune (IN) Johannesburg (ZA) Johannesburg (ZA) Johannesburg (ZA) São Paulo (BR) Meyzieu (FR) Meyzieu (FR) Meyzieu (FR) Seoul (KR) Othmarsingen (CH) Othmarsingen (CH) Othmarsingen (CH) Shanghai (CN) Porto Alegre (BR) Porto Alegre (BR) Porto Alegre (BR) Shanghai (CN) Shanghai (CN) Shanghai (CN) Strakonice (CZ) Tipton (UK) Tipton (UK) Tipton (UK) Chains for industrial use Together, we are able to off er you even more E Automotive chain driveschain F © Copyright iwis antriebssysteme GmbH & Co. KG, Munich, Germany 2010 Literature reference: Important notes H.-G. Rachner "Steel link chains and chains drives" Subject to alteration in the interest The contents of this handbook are the copyright of the publisher and may not be reproduced G. Niemann "Machine elements" of technical advancement. (even extracts) unless permission is granted. Every care has been taken to ensure the accuracy H. Zollner "Chain drives" The iwis terms and conditions of of the information contained in this handbook but no liability can be accepted for any errors or DIN-Normen sale apply to all claims for liability omissions. and warranty. WB DE 06/2010 4.000 3 charts,Conversion iwis guideline chain G Tel: +49 89 76909-1500 Fax: +49 89 76909-1198 [email protected] www.iwis.com Power transmission chain A Quality products with a world reputation QUALITY PLUS POINTS Above-average service life due to All iwis chains are pre-stretched Chain wheels excellent wear resistance Highly efficient initial greasing and High consistency, matchless precision, corrosion protection superior length tolerances B Shouldered pins with chains made Breaking strength considerably higher to DIN 8187 standards than the DIN/ISO standard, high fatigue strength chain drives chain WHAT THIS MEANS FOR THE USER Layout of Longer times between maintenance, Reduced stretching during running-in C less downtime and thus more economic Optimum protection, noise reduction Perfect functioning of chains running in parallel or in pairs, extremely precise Maintenance-friendly, chain which can positioning, ease of running, and very easily be cut to length quiet operation chain drives chain Greatly increased factors of safety which provides wider selection oportunities General information D SL – AN IWIS IDEA WINS THROUGH Chains for iwis SL series chains (Super Longlife) have This special design provides outstanding SL chains have proved themselves in prac- pins with an additional extremely hard characteristics: tical cases in the most varied chain appli- industrial use surface, under which is a load-bearing high cations world wide. strength hard layer which encloses a tough Highest resistance to wear and E core. therefore prolonged service life iwis chains of this design are designated by the suffix SL. Breaking strength and fatigue strength remain high Higher resistance to wear at increased temperatures Automotive Improved surface finishes reduce fric- chain driveschain tion properties and enable the chain to better handle deficient operational F lubrication Reduced susceptibility to corrosion increased safety with ending stresses Conversion charts,Conversion iwis guideline chain 4 G Tel: +49 89 76909-1500 Fax: +49 89 76909-1198 [email protected] www.iwis.com Power transmission chain The path to high iwis quality – A Each individual part technically perfect Use of high-grade head-treatable steels Chains are checked for dimensional with are made exclusively for iwis to accuracy: length tolerance, freedom of their material analysis, tolerance and articulation and assembly component surface quality. integrity, inspection of the press-in Chain wheels seating of the pin outer links and bush- Each chain part is manufactured a mil- inner link interfaces. lion times daily to the same precision. This production is monitored by SPC The high standard of quality assurance (statistical process control). conforms with the high requirements of B the automotive industry, of ISO 9002- All chain parts are heat-treated, using 1987 and other national and interna- special processes to optimize quality tional standards. features. For special applications Constant geometry and high surface Surface coatings quality result from the use of modern Special lubrications drives chain production technologies. Reduced length toleranced chains Layout of Special materials (e.g. corrosion resistant) C iwis bush – manufactured as a special, surface treated, seamless closed cylinder. chain drives chain iwis shouldered pin (DIN 8187). General information SL serie chains have pins with still higher resistance to wear. D iwis side plate – optimally dimensioned, shaped with precision, and heat-treated for toughness and hardness. Chains for iwis side plate –