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CM-B

CM-B

CM-B

Product catalog summary
Introduction
The document introduces the CENTAMAX-B series, a line of torsionally soft couplings designed for independently mounted units on rigid or soft mounts. These couplings are characterized by their precompression feature, which eliminates backlash and enhances wear resistance.

Specifications and Features
  • Torsionally very soft and free of backlash due to precompression.
  • Linear stiffness characteristic with adjustable torsional stiffness via different shore hardness discs.
  • Effective in damping vibrations and shocks, compensating for misalignments.
  • Temperature-resistant rubber with good heat dissipation.
  • Suitable for high speeds and large bores in hubs.
  • Maintenance-free with a long lifespan.
  • Compact design with simple assembly and radial exchange of elements.
  • Available with or without a fail-safe device.

Applications
Typical applications include non-flanged, independently mounted units for main propulsion or auxiliary drives such as gensets, pumps, and compressors. These units can be mounted on flexible or rigid mounts.

Technical Data
The document provides detailed technical data, including nominal torque, maximum torque, continuous vibration torque, allowable energy loss, and dynamic torsional stiffness for various sizes and shore hardness levels.

Dimensions and Masses
Dimensions and mass moments of inertia are provided for different designs (A, B, C, D) with and without fail-safe devices. The document includes specific measurements and mass data for each coupling size.

Fitting Instructions
The fitting instructions detail the assembly process, including the mounting of the output hub, alignment of the driven unit, and the assembly of the rubber disc. Specific tightening torques for bolts are provided for different coupling types and sizes.

Alignment Recommendations
Recommendations for alignment are provided to ensure long coupling life and smooth operation. The document advises on permissible misalignment values and the importance of periodic checks, especially for flexibly mounted engines.

Global Presence
CENTA is a leading producer of flexible couplings with a global presence, including subsidiaries and agencies in numerous countries. The document highlights CENTA's extensive experience and worldwide after-sales service network.
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Catalog excerpts

CM-B-1

POWER TRANSMISSION LEADING BY INNOVATION TORSIONALLY SOFT COUPLINGS WITH PRECOMPRESSION FOR INDEPENDENTLY MOUNTED UNITS ON RIGID OR SOFT MOUNTS

 Open the catalog to page 1
CM-B-2

For many years we have been supplying the „plug in" type CENTAMAX series S for flange mounted drives. This series is described in detail in our catalog CM-S. In this leaflet we describe the CENTAMAX series B, which adds a further interesting series for independently mounted drives. We have delivered many such couplings over the years. The outstanding technical advantage is the precompression between the input flange and the rubber disc, which makes it free of backlash. The CENTAMAX-B is the only one of its kind of design with this feature. The input flange is not made as a toothed cast aluminium...

 Open the catalog to page 2
CM-B-3

Technical data Centamax Size CENTAMAX-B for main propulsion between Diesel engine on soft mounts and marine gear on rigid mounts. Five Humber tugs are successfully using CENTAMAX-B to drive fire fighting pumps from the front PTO of the Diesel engine. CM-B-3 CENTA Power Transmission leading by innovation

 Open the catalog to page 3
CM-B-4

Dimensions, masses Mass moments of inertia without fail safe device design „A" Centamax Size Dimensions to SAE J 620 Order Code SAE J620 CM-B-4 CENTA Power Transmission leading by innovation

 Open the catalog to page 4
CM-B-5

Dimensions, masses Mass moments of inertia with fail safe device design „C" design „D" Centamax size Without any details being given the hubs will be delivered prebored. All detail data, dimensions and information in this catalog is given without guarantee. We reserve the right to make amendments and improvements without notice. This catalog supersedes all previous catalogs and data sheets. This technical document has legal protection in accordance with DIN 34. CM-B-5 CENTA Power Transmission leading by innovation

 Open the catalog to page 5
CM-B-6

Shaft to shaft types, for radial change of element Series BBEW Series BCEW X = min. space between the shaft ends for radial change of the rubber element. Alignment of Coupling The alignment of free mounted, nonflanged drives should be checked in the usual way, f.i. by checking the radial and angular misalignment between driving and driven side with a dial indicator. As reference surface the inner hub should be used on one side and a machined surface of the flywheel or of the flywheel flange of the coupling or a hub on the other side. If the engine is placed on flexible mounts, then the alignment...

 Open the catalog to page 6
CM-B-7

Fitting instructions Ta2 Tightening torque of bolts on flywheel flange- Types: BBE, BCE These bolts are not included At first the output hub of the coupling is mounted onto the driven shaft and the flywheel flange is mounted to the flywheel (tightening torque TA2). Then the driven unit is put in its final position and aligned to the driving unit. Next step is the assembly of the rubber disc to the output hub (tightening torque TA3). Finally the single bushes are bolted to the flywheel flange (TA4). To achieve the desired precompression a substantial radial force must be exerted to the single...

 Open the catalog to page 7
CM-B-8

HEAD OFFICE CENTA Antriebe Kirschey GmbH Bergische Strasse 7 42781 Haan/Germany +49-2129-9120 Phone +49-2129-2790 Fax [email protected] www.centa.info CENTA POWER TRANSMISSION LEADING BY INNOVATION CENTA is the leading producer of flexible couplings for industrial, marine and power generating applications. Worldwide. A family business with headquarters in Haan, Germany Subsidiaries in 10 major industrial countries. Agencies in 25 other countries. Worldwide after-sales service with combined forces of over 400 staff. Our success: over 15 million CENTA couplings installed since 1970. WORLD WIDE NETWORK...

 Open the catalog to page 8

All CENTA POWER TRANSMISSION catalogs and technical brochures

  1. CENTAFLEX-B

    8  Pages

  2. CENTAFLEX-A

    36  Pages

  3. CENTADISC-T

    1  Page

  4. CENTADISC-M

    8  Pages

  5. CF-RS

    6  Pages

  6. CF-RV

    8  Pages

  7. CF-T

    14  Pages

  8. CF-X

    8  Pages

  9. CJ

    2  Pages

  10. CL

    16  Pages

  11. CM-G

    4  Pages

  12. CM-HTC

    4  Pages

  13. CM-S

    24  Pages

  14. CS-V

    12  Pages

  15. CX-K

    18  Pages

  16. CX-SEC

    108  Pages

  17. CX-Test

    9  Pages

  18. CX-TT

    14  Pages

  19. CX-V

    20  Pages

  20. CENTADISC-C

    17  Pages

  21. CENTA-SCS

    15  Pages

  22. CENTAMAX - B

    8  Pages

*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.