Planetary gearboxes - 300 Industrial Series - NORTH AMERICA EDITION
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Planetary gearboxes - 300 Industrial Series - NORTH AMERICA EDITION - 1

300 Industrial series Modular planetary gearboxes We have a relentless commitment to excellence, innovation and sustainability. Our team creates, distributes and services world-class power transmission and drive solutions to keep the world in motion. 300 Industrial series - NORTH AMERICA EDITION Power Series HEADQUARTERS Bonfiglioli Riduttori S.p.A. Via Giovanni XXIII, 7/A 40012 Lippo di Calderara di Reno • Bologna (Italy) tel: +39 051 647 3111 • fax: +39 051 647 3126 bonfiglioli@bonfiglioli.com • www.bonfiglioli.com NORTH AMERICA EDIT

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Chapter Description Page Chapter Description Page 12 Service factor requested by application 11 M8 DC brake motors type BN_FD and M_FD 543 M9 AC brake motors type BN_FA and M_FA 547 M13 Motor rating charts BX-MX 561 M15 Motor rating charts BE-ME 568 M17 Motor rating charts BN-M 578 SERIES 300 MODULAR PLANETARY GEARBOXES 23 Surface protection and painting options 35 Revisions Refer to page 602 for the catalogue revision index. Visit www.bonfiglioli.com to search for catalogues with up-to-date revisions.

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SYMBOLS AND UNITS OF MEASURE

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Symbol referring to weight of gearboxes. The number associated with the wrench symbol indicates the tightening torque for friction coupling screws. Columns marked with this symbol indicate the reference page showing dimensions. Cover for standard input flanging. This symbol identifies reference page number. Inline units. DANGER - WARNING This symbol indicates situations of danger, which if ignored, may result in serious injury to the operator. Right angle units. Worm-planetary combined design. IMPORTANT This symbol indicates important technical information. Bevel helical-planetary combined...

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E This catalogue presents BONFIGLIOLI RIDUTTORI’s range of Series 300 modular planetary gearboxes. The range has been expanded and integrated with new sizes, technical improvements and enhanced modularity right through to the larger sizes. This feature signifies greater flexibility in internal production to ensure quick availability of products in the sizes and types requested either directly from the company or from the many affiliates belonging to the BONFIGLIOLI sales network in various countries around the world. The gearboxes are tested in conformity with the following standards: ISO...

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The 300 series consist of a range of multi-purpose planetary gearboxes that can be operated by electric motors. Basic features are: • 20 frame sizes of modular design • output torque up to 11,388,260 lb»in • transmissible power up to 14000 hp • ratios from 3.4:1 to 5234:1 • versions: - in-line with 1 to 4 reductions - right angle (spiral bevel gear set into first stage) with 2 to 4 reductions • combinations with: - worm gear units - bevel-helical gear units • flange, foot and shaft mounting arrangements • slow output shafts: keyed, splined male, splined hollow, shrink disk mounted • input...

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A 1 Cover 2 Compact electric motor 3 IEC or NEMA electric motor 4 Electric motor setting 5 Solid input shaft 6 Solid input shaft with fan 7 Right-angle reduction stage 8 Single planetary reduction stage 9 Two or more planetary reduction stages 10 Planetary reduction combined with wormgear unit 11 Planetary reduction stage combined with helical bevel gear unit 12 MC/MZ - Keyed or splined solid shaft output 13 HC-NHC/HZ - Keyed or splined heavy duty solid output shaft 14 PC-NPC/PZ - Output with support bracket and keyed or splined solid shaft 15 FZ - Splined hollow output shaft 16 FP - Hollow...

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The following paragraphs contain information on essential elements for selection and correct use of gearmotors. 6.1 Reference torque T2REF [lb»in] It is the significant value for the size. It is equivalent to the maximum value of nominal torque Tn2 for a life factor n2 x h = 10000 (referred to single stage configuration L1). 6.2 Rated output torque Tn2 [lb»in] It is the output torque which the gearbox can transmit with steady load under working condition specified in the calculation method.

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Maximun torque T2max [lb•in] It is the output torque that the gearbox can withstand under static or almost static conditions. It is generally meant as a momentary peak load or starting-up torque under load. The values in the tables are valid only in versions with output splined shaft (accessories excluded). Required torque Tr2 [lb•in] The torque drawn by the application. It must always be equal to or less than rated output torque Tn2 for the gearbox under study. Input rated power Pn1 [hp] Pn1 is the maximum power that can be safely applied to the gearbox when the same is operated: - at a n1...

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The parameter is defined as the relationship of the net power delivered to the output shaft P2 to the power applied to the input shaft P1: Indicative values for the efficiency are listed in the chart here after. 9 REDUCTION RATIO i It is defined as the relationship of the speed the input shaft is driven at and the speed delivered at the output shaft of a gearbox. 10 ANGULAR SPEED 10.1 Input speed n1 [rpm] The speed the gearbox is driven at. The value is coincident with the motor speed if this is directly connected to the gearbox. Input speed should never exceed the n1max value listed in the...

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12 SERVICE FACTOR REQUESTED BY APPLICATION fS' GJ It's a coefficient that represents the severity of the application. This factor takes into account, although approximately, the type of load the gearbox operates with, the specific duty cycle as well as the operating daily hours. The table (A4) is of reference when determining the appropriate service factor for the application. Factor resulting by multiplying angular speed at input (n-i) or output (n2) by actual operating working hours h, break times excluded. Life factor is directly proportional to gearbox rpms during the whole duty time

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TECHNICAL DATA REQUIRED FOR THE SELECTION OF 300 Date: Company / Customer Branch / Distributor Order quantity Delivery time ELECTRIC MOTOR Motor Type Rated motor Power Motor power demand Input speed Pole number PLANETARY GEARBOX Gearbox configuration Gear ratio Output speed Output torque demand Peak torque demand Service factor demand Rotation of the output shaft [frontal view ]: Bearings lifetime Gears lifetime Safety for tooth root stress [h] [h] standard reference (ISO preferred) standard reference (ISO preferred) Safety for flank pressure F) OPTIONS OR ADDITIONAL REQUESTS Supplementary...

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