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- Chr. Mayr GmbH + Co. KG
- ROBA®-DS (servo)
ROBA®-DS (servo)
ROBA®-DS (servo)
The ROBA®-DS is a high-performance coupling system known for its reliability, non-sensitivity to alternating loads, low mass inertia, and backlash-free operation up to nominal torque. It is maintenance-free, offers high torsional rigidity, and compensates for misalignment.
- Nominal Torque: 35 Nm to 24000 Nm, depending on size and type.
- Angular Misalignment: 0.4° to 1°.
- Operating Speed: Up to 22500 rpm for certain models.
- Material: Rustproof and ATEX designs available.
- Backlash-free due to conical connection.
- High frictional locking with sand-blasted disk.
- FEM-optimized disk shape for enhanced performance.
- Available in single-jointed and double-jointed designs.
- Clamping Hub, Shrink Disk Hub, Key Hub, and Split Clamping Hub.
- Disk packs in HF and HT types.
- Sleeve options: Sleeve S, Sleeve CRD, Sleeve CFRP.
- Permitted Misalignments: Axial displacement up to 1.1 mm, radial varies with configuration.
- Spring Rigidity: Torsional and angular values provided for different sizes.
- Mass Moments of Inertia: Detailed for disk packs and hubs.
- Suitable for servo, all-steel, and heavy load couplings.
- Customizable with various shaft/hub connections.
- Safe against overload with installation examples.
- Guidelines for dimensioning and size selection.
Detailed specifications for ROBA®-DS disk pack couplings, sizes 16 to 160. Key parameters include nominal torque (TKN) 300 Nm to 2600 Nm, peak torque (TKS) 450 Nm to 3900 Nm, outer diameter 77 mm to 167 mm, and speeds 6200 rpm to 13600 rpm. Permitted misalignments specified for axial and radial displacements.
Dimensions and mass moments of inertia for disk packs, hubs, connection plates, and sleeves. Tables list weights and dimensions for each size category, permissible misalignments, and spring rigidity values.
Descriptions of single-jointed and double-jointed couplings with sleeve options (sleeve 1, sleeve S, CRD, CFRP). Order numbers and configurations for different applications provided.
Guidelines for installation, dimensioning, and size selection. Emphasis on adhering to misalignment limits and technical explanations for torque transmission and coupling performance. Options like external shrink disk hubs and variable length sleeves discussed.
References to heavy load couplings, integrated torque measurement, and safety against overload. Installation examples and technical explanations included.
Various configuration possibilities, including single-jointed and double-jointed couplings with different hub and sleeve designs. Flexibility and customization options emphasized.
Examples of application scenarios illustrating the use of couplings in different configurations to accommodate radial misalignments and facilitate easy assembly and disassembly.
High torsional rigidity, backlash-free torque transmission, and ability to compensate for axial, angular, and radial misalignments. Robust, reliable, suitable for extreme conditions, with minimal maintenance requirements.
- Overload Protection: Combinations with torque limiters and slip hubs to prevent damage.
- Switch-off Accuracy: ±5% to ±20% depending on protection type.
- Key Hub Securement: Methods for axial securement using press covers and adjusting screws.
- Shrink Disk Hub Installation: Allows installation next to housing walls with limited space.
- Measurement Flange Integration: Special adaptor flanges for integration into couplings.
- Ensure correct coupling size selection based on torque and operational conditions.
- Follow installation instructions carefully to maintain system integrity and performance.
- Observe speed and misalignment limits to prevent operational issues.
Catalog excerpts
your reliable partner
Open the catalog to page 1
your reliable partner ROBA®-DS Technologically superior • on-sensitive to alternating loads of up to 100 % of the nominal torque N • ow mass inertia due to high performance density L • ompletely backlash-free up to nominal torque C • igh misalignment compensation capability at low restoring forces H • igh torsional rigidity up to nominal torque H • ompletely wear and maintenance-free C • ptimum construction shape due to large variant range O Extremely short double-jointed design Increased frictional locking due to sand-blasted disk Diverse shaft/hub connections Completely backlash-free due to...
Open the catalog to page 2
your reliable partner Backlash-free Servo Couplings (Aluminium) Sizes 3 to 15 Nominal torques 35 to 150 Nm Disk pack-Servo with 4x divisions and 6x divisions Bores 10 to 45 Angular misalignment 1° Backlash-free All-steel Couplings Sizes 16 to 160 Nominal torques 300 to 2600 Nm Disk pack-HT with 6x divisions Shaft connection Disk pack-HT with 6x divisions Shaft connection Disk pack with 8x divisions Shaft connection Disk pack with 8x divisions Shaft connection Bores 14 to 110 Angular misalignment 0.7° Sizes 16 to 160 Nominal torques 190 to 1600 Nm Bores 14 to 110 Angular misalignment 1° Sizes...
Open the catalog to page 3
O mayr your reliable partner ROBA®-DS Backlash-free Servo Couplings Configuration Possibilities/Standard Designs Single-jointed coupling without connection plate or sleeve S Type 950._ _0 Split clamping hub Type 95_.8_ _ double-jointed couplings Shrink disk hub Type 95_.2_ _ Disk pack Type 950._ _0 on single-jointed couplings Type 951.___ Connection plate Disk pack Type 951._ _1 Type 951._ _2 (only for Type 951. split clamping hubs) Shrink disk hub Type 95_._2_ Hub with tapered bore Type 95_._5_ Sizes 3 and 6
Open the catalog to page 4
o mayr your reliable partner ROBA®-DS Backlash-free Servo Couplings Type Key/Order Number Sizes 3 to 15 Size Single-jointed Bore Bore Operating speed
Open the catalog to page 5
your reliable partner ROBA®-DS Backlash-free All-steel Couplings Configuration Possibilities/Standard Designs Key hub Type 95_.0_ _ All sizes Single-jointed coupling without connection plate or sleeve Type 95_._ _0 Key hub, large Type 95_.1_ _ Sizes 16 to 160 Key hub, large Type 95_._1_ Sizes 16 to 160 Clamping hub Type 95_.5_ _ Sizes 16 to 160 Clamping hub Type 95_._5_ Sizes 16 to 160 Disk pack HT Clamping ring hub Type 95_.4_ _ Sizes 16 to 160 Disk pack HF Shrink disk hub, external clamping Type 95_.2_ _ All sizes Connection plate Type 95_._ _1 Type 952._ _0 on single-jointed couplings Disk...
Open the catalog to page 6
o mayr your reliable partner ROBA®-DS Backlash-free All-steel Couplings Type Key/Order Number Sizes 16 to 160 Type Key/Order Number Shrink disk hub, external clamping 2 Shrink disk hub, large 9 2 Shrink disk hub, external clamping 3 Shrink disk hub, internal camping 9 Shrink disk hub, large Double-jointed coupling Connection plate 1 Size Single-jointed coupling Double-jointed coupling Disk pack HT 3 Bore Bore Operating speed for Sleeve S Sleeve CRD Sleeve CFRP Bore Bore Operating speed for Sleeve S Sleeve CRD Sleeve CFRP Size Single-jointed coupling 0 Single-jointed coupling 0 180 300 Double-jointed...
Open the catalog to page 7
your reliable partner Technical Data and Main Dimensions can be roughly calculated as follows: Ct l 10) The values refer to 1 disk pack. 11) Mass moments of inertia and weights are valid for 1 disk pack. 12) Mass moments of inertia and weights are valid for maximum bore. Valid for max. permitted shaft misalignment. Valid for unchanging load direction, max. load cycles < 105. Recommended hub / shaft tolerance: H7 / k6 Preferred bores and transmittable torques dependent on bore see page 76. Not valid for coupling with sleeve S. The permitted misalignments may not simultaneously reach their maximum...
Open the catalog to page 8
o mayr your reliable partner _ Double-jointed coupling with connection plate and clamping hubs Double-jointed coupling with sleeve S (special length) and clamping hubs Order Number * Standard H7, other tolerances possible Clamping hub also available with keyway Backlash-free All-steel Couplings Heavy Load Couplings Safe Against Overload Installation Examples Dimensioning, Size Selection Technical Explanations Transmittable Torques on Clamping Hubs
Open the catalog to page 9
your reliable partner Rotation circle-diameter 0DSK of the clamping screws Optional keyway design according to DIN 6885/1 possible (up to bore dH = 18 mm on Size 3, up to bore dH = 22 mm on Size 6, for all bores on Sizes 10 and 15) 9) The CT-value of a double-jointed coupling can be roughly calculated as follows: 1 10) The values refer to 1 disk pack. 11) Mass moments of inertia and weights are valid for 1 disk pack. 12) Mass moments of inertia and weights are valid for maximum bore.
Open the catalog to page 10
your reliable partner
Open the catalog to page 11
your reliable partner ROBA®-DS Sizes 3 to 15 Single-jointed coupling with shrink disk hubs Alternative shaft connection Hub with tapered bore Technical Data and Main Dimensions Mass moments of inertia J [10-3 kgm2] 1) Valid for max. permitted shaft misalignment. 2) Valid for unchanging load direction, max. load cycles < 105. 3) Recommended hub / shaft tolerance: H7 / g6 4) On shrink disk hubs, the preferred bores are identical to the preferred bores on the clamping hubs (see preferred bores clamping hubs page 76). 5) 010: frictionally locking transmittable torque = 80 % of TKs 6) Not valid for...
Open the catalog to page 12
o mayr your reliable partner _ Double-jointed coupling with connection plate and shrink disk hubs Double-jointed coupling with sleeve S (special length) and shrink disk hubs Order Number 5 Hub with tapered bore*’ Single-jointed coupling Double-jointed coupling Bore* Bore* * Standard H7, other tolerances possible ** Only Sizes 3 and 6
Open the catalog to page 13
your reliable partner Single-jointed coupling with key hubs „L , l U 9) The values refer to 1 disk pack. 10) Mass moments of inertia and weights are valid for 1 disk pack. 11) Mass moments of inertia and weights are valid for maximum bore.
Open the catalog to page 14
o mayr your reliable partner _ Order Number A Sizes 16 to 160 Single-jointed coupling Double-jointed coupling Single-jointed coupling Connection plate Sleeve 1 Sleeve S Sleeve CRD (page 64) Sleeve CFRP (page 64) 'Standard H7, other tolerances possible Integrated Torque Measurement Variable Length Sleeve S / Sleeve CFRP / Options Page 64 [> Safe Against Overload Installation Examples Dimensioning, Size Selection Technical Explanations Transmittable Torques on Key Hubs <d Backlash-free Servo Couplings
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