Helical Gearboxes RD - Varvel SpA
Helical Gearboxes RD - Varvel SpA
Helical Gearboxes RD - Varvel SpA
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<strong>Helical</strong> <strong>Gearboxes</strong> <strong>RD</strong><br />
PRODUCT DESCRIPTION<br />
Multipurpose housing<br />
Foot & Foot/Flange Mountings<br />
One housing for 2- & 3-stages<br />
Housing & Covers Input<br />
Aluminium die cast (5 sizes) NEMA and IEC<br />
Cast iron (2 sizes) motor adapters and<br />
Universal elastic coupling<br />
Gearing Oil seals<br />
20MnCr5 alloy steel Nitrile Butadiene Rubber -NBR<br />
Case hardened as standard;<br />
Profile ground or shaved Viton and Silicon on request<br />
Bearings Output<br />
Ball or roller types Solid shafts<br />
according to sizes imperial and metric<br />
and technical requirements<br />
CONTENTS<br />
Product Description .............................................................. 2-3<br />
Symbols & Formulas ..................................................................3<br />
Modular System ..................................................................... 4-5<br />
Elastic Coupling “G” ...................................................................6<br />
Elastic Coupling “G” Selection ...................................................7<br />
NEMA Flanges and Elastic Couplings .......................................8<br />
IEC Flanges and Elastic Couplings ...........................................9<br />
Electronic Catalogue - 3D-Models - 2D-Drawings ...................10<br />
Order Designation ....................................................................11<br />
Input Arrangements .................................................................12<br />
Mounting Positions .................................................................13<br />
Service Factors ................................................................. 14-16<br />
External Loads ........................................................................17<br />
Components & Conversion Factors .........................................18<br />
Ratings<br />
<strong>RD</strong> 02 - 03 ..............................................................................19<br />
<strong>RD</strong> 12 - 13 ..............................................................................20<br />
<strong>RD</strong> 22 - 23 ..............................................................................21<br />
<strong>RD</strong> 32 - 33 ..............................................................................22<br />
<strong>RD</strong> 42 - 43 ..............................................................................23<br />
<strong>RD</strong> 52 - 53 ...............................................................................24<br />
<strong>RD</strong> 62 - 63 ...............................................................................25<br />
Lubrication<br />
Synthetic long-life oil Grade ISO VG 320<br />
No oil plugs<br />
In-house filling<br />
- 2 -<br />
Dimensions<br />
<strong>RD</strong> 02 - 03 ......................................................................... 26-27<br />
<strong>RD</strong> 12 - 13 ......................................................................... 28-29<br />
<strong>RD</strong> 22 - 23 ......................................................................... 30-31<br />
<strong>RD</strong> 32 - 33 ......................................................................... 32-33<br />
<strong>RD</strong> 42 - 43 .......................................................................... 34-35<br />
<strong>RD</strong> 52 - 53 .......................................................................... 36-37<br />
<strong>RD</strong> 62 - 63 .......................................................................... 38-39<br />
Summary of “Operation and Manual Instructions”................... 40
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