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DRIVE SHAFTS for INDUSTRY
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DRIVE SHAFTS for INDUSTRY - 1

DRIVE SHAFTS for INDUSTRY JTEKT CORPORATION

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DRIVE SHAFTS for INDUSTRY Throughout the manufacturing industry the pursuit of greater power output at higher efficiency is a priority. Under such circumstances, highly sophisticated and economical drive shafts that fit in a limited space are in great demand for use in various equipment and machines. In response to this demand, JTEKT has renewed its conventional F Series drive shafts and has developed the new CS Series, which feature excellent cost performance, as you will discover in this catalog. Expanded by this new series, Koyo s drive shaft lineup is certain to satisfy your...

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1. Introduction to Drive Shafts A drive shaft acts as an intermediate between a driving shaft and driven shaft that are not aligned on the same axis, and transfers running torque smoothly. A drive shaft has two universal joints, enabling a flexible connection between a driving shaft and driven Each universal joint (cross bearing) has four rolling bearings, realizing low friction and minimizing torque Propeller shafts of construction machines Propeller shafts of diesel locomotives Driving shafts of rolling mills Fig. 1.1 Typical Applications of Drive Shafts Drive Shafts The appearance and...

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^DRIVE SHAFTS 1.3 Koyo Drive Shaft Series and Applications Rolling mills Rolling mills D Series, U Series and T Series D Series, U Series and T Series Calender mills Paper mills Drive Shaft Series Lineup Swing diameter Rolling stock Construction machines

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2. Drive Shaft Construction Koyo drive shafts can be classified into two types in construction, depending on the shape of the cross bearings, which serve as universal joints: block type and round type. The features and typical construction of individual types are shown below. 1) Block Type Drive Shafts With the cross bearings fixed by bolts to the yokes, fixing bolts can be greater in size than those of the block type drive shafts transfer torque reliably round type drive shafts, realizing higher capacity. through the key. The rollers, crosses, and bearing

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^DRIVE SHAFTS 2) Round Type Drive Shafts Compared with the block type, this type of drive shaft has cross bearings of simpler construction and is more economical. (Joint swing diameter: Up to 180 mm) These drive shafts are connected to machines via a flange, enabling easy connection to a variety of Retainer washer - Flange yoke Cross bearing Weld yoke Propeller tube - Spline shaft (Joint swing diameter: 225 mm or greater) Thrust washer Bearing holder Betainer ring Betainer washer- Propeller tube Flange yoke Cross bearing Weld yoke Spline shaft

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^DRIVE SHAFTS KO^Oe The individual Koyo drive shaft series are shown below, along with their features and suitable applications. * Characteristics Torque TD : The reference torque used as the criterion for evaluation of resistance to the maximum torque under normal operating conditions. Legends © : Suited TD divided by the maximum torque should preferably be greater than 1.5. O : Applicable Torque Ts : The reference torque used as the criterion for evaluation of resistance to the breaking torque under emergency conditions. A : Used in rare cases Ts divided by the breaking torque should...

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4. Product Development Systems and Evaluation analysis results ^DRIVE SHAFTS Electron probe microanalyzer Typical analysis result Large sized torsional tester Typical results of evaluation by large sized torsional tester

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^DRIVE SHAFTS Telescoping Type (with propeller tube) The HW Series is widely used in construction machines and industrial machines. Yoke dimensions are standardized worldwide. A bearing cup is directly fixed to the yoke. The cross bearings and spline construction of basic reference No. 5 thru 12 are very tightly sealed to each other and are useful in severe environments such as muddy water or dust Fixed Type (with propeller tube) Fig. 1 (High wing type) Fig. 1 (High wing type) [Notes] l) TR refers to the rated torque used for service life calculation (refer to page 28). The material factor...

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Recommended Dimensions of Coupling Yokes coupling yoke

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[Notes] l) TE refers to the rated torque used for service life calculation (refer to page 28). The material factor Km is supposed to be 3 in this calculation. 2) TD refers to the reference torque used as the criterion for evaluation of resistance to the maximum torque under normal operating conditions. TD divided by the maximum torque should preferably be greater than 1.5. 3) Ts refers to the reference torque used as the criterion for evaluation of resistance to the breaking torque under emergency conditions. Ts divided by the breaking torque should preferably be greater than 1.5. 4) L...

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Telescoping Type (with propeller tube) Dimensions marked with an asterisk (*) need to be determined to suit existing equipment. Please provide the specifications of your equipment when placing an inquiry. [Notes] l) refers to the rated torque used for service life calculation (refer to page 28). The material factor Km is supposed to be 3 in this calculation. 2) TD refers to the reference torque used as the criterion for evaluation of resistance to the maximum torque under normal operating conditions. TD divided by the maximum torque should preferably be greater than 1.5. 3) Ts refers to the...

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^DRIVE SHAFTS The T Series is intended for such applications where telescoping function is required in a small space. Because one of the cross bearings needs to be hollow to enable the required stroke, this series is applicable in such cases where the swing diameter has a given allowance on either the driving side or driven side. Dimensions marked with an asterisk (*) need to be determined to suit existing equipment. Please provide the specifications of your equipment when placing an inquiry. [Notes] 1) TE refers to the rated torque used for service life calculation (refer to page 28). The...

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^DRIVE SHAFTS Telescoping Type (with propeller tube) Fixed type (with propeller tube) Fixed type (with double flanges) [Notes] l) refers to the rated torque used for service life calculation (refer to page 28). The material factor Km is supposed to be 3 in this calculation. 2) TD refers to the reference torque used as the criterion for evaluation of resistance to the maximum torque under normal operating conditions. TD divided by the maximum torque should preferably be greater than 1.5. 3) Ts refers to the reference torque used as the criterion for evaluation of resistance to the breaking...

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