Handbook for chain engineering Design and construction ...

1 Version 2010. Handbook for chain engineering Design and construction / Examples of calculation Tel: +49 89 76909-1500 Fax: +49 89 76909-1198. transmission chain Power 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 chain drives iwis motorsysteme iwis antriebssysteme iwis antriebssysteme iwis agrisystems Layout of GmbH & Co. KG GmbH & Co. KG GmbH (Div.). 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 General information chain drives M nchen (DE) M nchen (DE) Wilnsdorf (DE) Sontra (DE).

2 D Landsberg (DE). Indianapolis (US). Indianapolis (US). Langley (CA). Indianapolis (US). Langley (CA). Indianapolis (US). Langley (CA). Pune (IN) Johannesburg (ZA) Johannesburg (ZA) Johannesburg (ZA). S o 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). Chains for Shanghai (CN) Shanghai (CN) Shanghai (CN). industrial use Strakonice (CZ) Tipton (UK) Tipton (UK). Tipton (UK). E Together, we are able to o er you even more Automotive chain drives F. iwis chain guideline Conversion charts, 2. G. Tel: +49 89 76909-1500 Fax: +49 89 76909-1198. transmission chain Power A. chain wheels Preface This present Handbook for chain engineering represents a summa- This technical Handbook extends the range of iwis publications 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.

3 All this is and practice of chain drives and the advantages available when supplemented by descriptions and examples of calculations. iwis products are specified and selected. B. It is possible to have alternative solutions, which can be sup- Quality can only be assessed under arduous conditions. Exceeding 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- chain drives 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. Layout of This Department has vast applicational experience of chain drives The correct choice of product is possible only, if the following con- ranging from the camshaft drive for high-speed racing engines to ditions are known: the conveying of special components through drying ovens, from precision conveyors used in copying equipment, and the stop-go operation encountered with power and free conveyor chains in practicable method of calculation and sound C.

4 Transfer lines in the motor industry. theoretical basis assured empirical values based on sound experience Reliable products are identified by their accuracy, close tolerances General information proven figures from practical experience. chain drives 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 is supplemented by a range of special leaflets, provides infor-mat- ion in respect of all available standard and special chains, chain wheels, tensioning devices and other chain drive accessories. D. Chains for industrial use E. Automotive chain drives F. Copyright iwis antriebssysteme GmbH & Co. KG, Munich, Germany 2010 Literature reference: Important notes 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.

5 Niemann "Machine elements" of technical advancement. iwis chain guideline (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 Conversion charts, 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 3. G. Tel: +49 89 76909-1500 Fax: +49 89 76909-1198. transmission chain Power A Quality products with a world reputation QUALITY PLUS POINTS. chain wheels Above-average service life due to All iwis chains are pre-stretched 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 Layout of WHAT THIS MEANS FOR THE USER.

6 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 General information parallel or in pairs, extremely precise Maintenance-friendly, chain which can chain drives positioning, ease of running, and very easily be cut to length quiet operation Greatly increased factors of safety which provides wider selection oportunities D. Chains for SL AN IWIS IDEA WINS THROUGH. industrial use 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- 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.

7 Therefore prolonged service life iwis chains of this Design are designated by the suffix SL. Breaking strength and fatigue strength remain high Automotive Higher resistance to wear at increased chain drives temperatures Improved surface finishes reduce fric- tion properties and enable the chain to better handle deficient operational F lubrication Reduced susceptibility to corrosion iwis chain guideline Conversion charts, increased safety with ending stresses 4. G. Tel: +49 89 76909-1500 Fax: +49 89 76909-1198. transmission chain Power The path to high iwis quality A. Each individual part technically perfect chain wheels 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.

8 Integrity, inspection of the press-in 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. (statistical process control). The high standard of quality assurance 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. chain drives features. For special applications Constant geometry and high surface Surface coatings Layout of quality result from the use of modern Special lubrications production technologies. Reduced length toleranced chains S. pecial materials ( corrosion resistant). C. General information iwis bush manufactured as a special, chain drives surface treated, seamless closed cylinder.

9 Iwis shouldered pin (DIN 8187). SL serie chains have pins with still higher resistance to wear. D. Chains for iwis side plate optimally dimensioned, shaped industrial use with precision, and heat-treated for toughness and hardness. iwis side plate optimally dimensioned, shaped with precision, and heat-treated for toughness and hardness. E. Automotive chain drives iwis roller absolutely cylindrical form, even at the impact point guarantees F. ideal sliding-contact bearing properties iwis chain guideline Conversion charts, 5. G. Tel: +49 89 76909-1500 Fax: +49 89 76909-1198. transmission chain Power A Your perfect engineering partner chain wheels B. chain drives Layout of C. General information chain drives iwis has the largest chain R & D department Special knowledge of noise emission FEM analysis of individual chain drive parts D in Europe, having more than 60 development analysis and vibration engineering static and dynamic stress and strength engineers solely engaged for the engineering Our laboratory has the capabilities to carry investigations of chain drive systems.

10 Besides basic devel- out many different testing possibilities Evaluation of iwis and customer readings opment and designing innovative customer including microscopy, metallography, eval- at test facilites for verification of simulation solutions, the main focus of iwis R&D division uation of mechanical properties, chemical models Chains for ranges from calculations, Design and test- composition and qualified analysis of data Identification of thermal characterstics of industrial use ing to wear elongation and fatigue strength Dynamic simulation/analysis of chain drive chain drives while testing in the climate- analysis. systems with regard to chain load, torsion- testing laboratory. al vibrations and friction losses E. Automotive chain drives F Evaluation of chain breaking strength and elongation up to 1000kN.