SERIE G
71Pages

Series G Industrial Reducers Technical Up to - 1,860kW / 165,000 Nm Industrial Reducers CG-2.00GB1211

PRODUCTS IN THE RANGE Serving an entire spectrum of mechanical drive applications from food, energy, mining and metal; to automotive, aerospace and marine propulsion, we are here to make a positive difference to the supply of drive solutions. Series A Worm Gear units and geared motors in single & double reduction types Series BD Screwjack worm gear unit Series BS Worm gear unit Series C Right angle drive helical worm geared motors & reducers Series F Parallel angle helical bevel helical geared motors & reducers Series G Helical parallel shaft & bevel helical right angle drive gear units...

ATEX Compliance Assured Total compliance with the ATEX Directive safeguarding the use of industrial equipment in potentially explosive atmospheres is assured for users of our geared products. Certification is available for standard gearboxes and geared motors with badging displaying the CE Mark and the Ex mark, name and location of the manufacturer, designation of series or type, serial number, year of manufacture, Ex symbol and equipment group/category. ATEX directive 94/9/EC (also known as ATEX 95 or ATEX 100A) and the CE Marking Directive are enforced in all EC member states. Compliance...

SERIES G CONTENTS PAGE General Description 1 Unit Designations 2 Design Features 3-4 Explanation and use of Ratings and Service Factors 5-7 Selection Procedure 8-9 Lubrication 10 Unit Handings and Shaft Rotations Standard Shaft Sealing Arrangements 13 Inputshaft Options 14 Outputshaft Options 15 Outputbore Options 16 11 - 12 REDUCER Overhung & Axial Loads on Shafts 19 - 20 Agitator Applications 21 - 22 Parallel Shaft Units Moments of Inertia 25 Exact Ratios 26 Mechanical Ratings - Input Power / Output Torque 27 - 31 Thermal Ratings 32 Dimension Sheets - Speed Reducers 33 - 36 Fan Cooling 37...

SERIES G GENERAL DESCRIPTION Series G Series G gear units are available in parallel shaft helical units and right angle shaft bevel/helical units in double, triple and quadruple reduction gear stages having a maximum output torque of up to 162,000 Nm. Parallel shaft unit The modular design and construction of the Series G offers many engineering and performance benefits including a high degree of interchangeability of parts and sub assemblies. This in turn provides considerable economies of production whilst maintaining the highest standard of component integrity. Adding to the range of...

SERIES G UNIT DESIGNATIONS 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 * THIS PAGE MAY BE PHOTOCOPIED ALLOWING THE CUSTOMER TO ENTER THEIR ORDER * EXAMPLE G 1 4 3 0 5 0 . H - - - - R L 1 - - - 20 - TORQUE ARM & Gearcase Finish 1 - SERIES G RANGE G - - 1 4 THROUGH 2 2 - TORQUE ARM + STD PAINT C 2, 3 - SIZE OF UNIT NO TORQUE ARM + STD PAINT T - STD EXTREME CLIMATIC PAINT F - STD EXTREME CLIMATIC PAINT + TORQUE ARM Z - SPECIAL 4 - O OF REDUCTIONS N 2 THROUGH 4 19 - CASE CONSTRUCTION - S - SG IRON F - FABRICATED STEEL CASE 5 - REVISION VERSION 0 - CAST IRON ETC 18 - OIL LEVEL - -...

SERIES G DESIGN FEATURES Shaft Mounted Units Shaft mounted units can be mounted on the driven machine shaft extension and connected to the foundation by a torque arm, supplied as an optional extra. Additionally, unit feet are available for mounting on a baseplate with motor and coupling, the complete assembly being mounted on the driven machine shaft extension and connected to the foundation by a torque arm. Shaft mounted units are fitted with a 'shrink disc' device to provide positive clamping on the driven machine shaft extension. It is positioned on the input side of the gear unit. Shaft...

SERIES G DESIGN FEATURES Gears High quality alloy case hardening materials provide long life wear resistance and fatigue strength. Profile ground single helical gears and hard finished spiral bevel gears ensure high standards of accuracy, surface finish and quiet running characteristics. Helical gears are fitted in parallel shaft units. Units with shafts at right angles incorporate spiral bevel and helical gears. Gearcases Standard gearcases are of rigid cast iron construction with modern styling, special cases can be supplied as SG iron or fabricated steel. Horizontal split case design for...

SERIES G EXPLANATION AND USE OF RATINGS AND ASSOCIATED RATING FACTORS Gear unit selection is made by comparing actual loads with catalogue ratings. Catalogue ratings are based on a standard set of loading conditions, whereas actual load conditions vary according to type of application. Service Factors are therefore used to calculate an equivalent load to compare with catalogue ratings. i.e. Equivalent Load = Actual Load x Service Factor Mechanical and Thermal Service Factor must be considered:- Mechanical Service Factors Fm and Fs Thermal Service Factors Ft, Fd, Fh and Fv Mechanical ratings...

SERIES G EXPLANATION AND USE OF RATINGS AND ASSOCIATED RATING FACTORS Driven Machine Table 3 U = Uniform load M = Moderate shock load H = Heavy shock load = Refer to Application Engineering type of load Cranes main hoists bridge travel trolley travel Crusher ore H stone H sugar H Dredges cable reels M conveyors M cutter head drives H jig drives H manoeuvring winches M pumps M screen drive H stackers M utility winches M type of Dry dock cranes load main hoist auxiliary hoist boom, luffing Agitators rotating, swing or slew pure liquids U tracking, drive wheels liquids and solids M...

SERIES G EXPLANATION AND USE OF RATINGS AND ASSOCIATED RATING FACTORS Thermal ratings and service factors The Thermal ratings are a measure of the gear units ability to dissipate heat. If they are exceeded the lubricant may overheat and breakdown, resulting in gear failure. Thermal ratings are given on page 32 for parallel shaft units and page 46 for right angle shaft units. The following choices are available: i) No additional cooling ii) Unit fitted with fan cooling iii) Unit fitted with water cooling coil iv) Unit fitted with cooling coil and fan Catalogue thermal limitations are based...