How do you build a great idea? The optimised standard in industrial gear unit technology. FLENDER SIG horizontal standard gear units. siemens.

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1 How do you build a great idea? The optimised standard in industrial gear unit technology FLENDER SIG horizontal standard gear units siemens.com/sig

2 FLENDER SIG a great idea is made reality Industrial experience and application know-how, solution expertise and first-class engineering, the latest technology and a functioning drive-train concept when a great drive idea is made reality, you benefit in many ways. FLENDER SIG has been developed on the basis of many years of experience gained by our customers and the latest technical knowledge. The new series is our contribution to your long-term success. Get ready for the drive requirements of tomorrow. 2 Efficiency reserves: yes, oversizing: no. Above all the selection of a gear unit has to be easy. FLENDER SIG offers solutions for many applications. The customer s priority is flexibility.

3 All sectors of industry and primary production require a new standard with even more power and more flexibility. The full range Today, just one year after launching them onto the market, Siemens is offering all seven types of FLENDER SIG for horizontal mounting. The Siemens modular gear unit kit enables a huge range of possible variants to be constructed which means that FLENDER SIG is available to you in many sizes for base or shaft mounting right now. The drive train Siemens has always believed that the drive train must be seen and understood as a whole. Our gear units have been an integral part of customer solutions for many years. For this reason the drive train has been consistently and specifically developed to meet our customers requirements. We are foremost amongst providers of systems for all industrial drive requirements worldwide. Our drive train concept paved the way for drive solutions which have proved themselves in many areas of industry through their optimally coordinated control system, frequency converter, motor, coupling, gear unit, and geared motor. These have since become standards which today are fundamental in the industrial drive field. Universal standard gear units Today standardised industrial gear units are of vital importance for their high availability, their quality, and their attractive price-performance ratio. FLENDER gear units, the world s largest and at the same time most successful standard gear unit series, played a decisive part in this development. These reliable, highly developed and rapidly available universal solutions have for years been the measure of all things in international gear unit construction for original equipment manufacturers and designers. 3

4 The new standard offers you even more

5 1 FLENDER SIG B2: two-stage bevel-helical gear units 2 FLENDER SIG B3: three-stage bevel-helical gear units 3 FLENDER SIG B4: four-stage bevel-helical gear units 5 FLENDER SIG H3: three-stage helical gear units 6 FLENDER SIG H2: two-stage helical gear units 7 FLENDER SIG H1: single-stage helical gear units 4 FLENDER SIG H4: four-stage helical gear units Performance, reliability, and quality Because industrial requirements are changing and call for even higher performance, flexibility, and standardisation, Siemens has added the completely newly developed FLENDER SIG series to its successful existing FLENDER gear units. This range offers you even more possibilities. FLENDER SIG redefines the standard for industrial gear units. The innovative concept opens up a new horizon in drive technology to users in many areas of industry (such as minerals and mining technology, cement, oil and gas, chemicals, and waste water treatment). Based on the experience of the established FLENDER gear units, basic design parameters have been fundamentally further developed here. Performance, reliability, and quality mark out the high standard of FLENDER SIG. Optimum efficiency and productivity can therefore be immediately experienced by you. FLENDER SIG thus sets new standards in drive technology. The possibilities for you are tremendous. Extreme surroundings: gear units are exposed to cold, heat, and dust when operated in the coal or ore sector. It must be ensured that they can operate continuously in any condition. FLENDER SIG is the world s only gear unit series to include all design types, including single-stage helical gear units and two-stage bevel-helical gear units, and also provide comprehensive standardised peripherals. The portfolio comprises single- to four-stage helical gear units and two-, three-, and four-stage bevel-helical gear units. 5

6 All the innovations at a glance Problem and solution: pulp and paper applications have special requirements Reliable drive: the worldwide openpit mining industry cannot afford any breakdown of gear units. Even closer to the point of application With the proven FLENDER gear unit series you already have a wide choice: 25 sizes, seven design types, and a limitless range of variants. This series was the first to offer a degressive size gradation. As a result it became possible to offer customers precisely tailored and favorably priced solutions. With FLENDER SIG this standard is being perfected: the concept behind the new gear unit series provides for even more harmonized torque grading, thus guaranteeing a homogeneous torque curve right across the board. So with torques of up to 125,000 Nm (the torque range is being gradually extended) you are even closer to the torque you want. The resulting cost and logistic benefits for you are obvious. Even more torque FLENDER gear units are already world-leading, but FLENDER SIG goes a stage further and generates up to 15% more torque. The series thus offers even more power for the same gear size the result of years of development work and the latest engineering. So in future it may be possible to offer many of our customers (for example, for pump and compressor applications) precisely the right size of gear unit to suit their requirements and thereby meet torque requirements very precisely with positive effects for availability, handling, and ultimately the required investment. The construction and teeth geometry makes this possible. Thanks to a balanced overall design and innovative teeth layout the result is extremely compact gear units offering maximum efficiency. Even more flexibility Do you have special requirements as regards the performance and structural form of a gear unit? Do you need special solutions for your application? The new FLENDER SIG gear units are versatile and devised for use in nearly all areas of industry and hundreds of applications. They offer you the highest possible level of flexibility for systems planning and many advantages in day-to-day operations. We would be pleased to assist your design process by providing 3D gear unit models. 6

7 You also profit from extended standards in add-on parts and from additional installation space. Numerous standardised options, such as motor bell housings, backstops, and taconite seals, increase availability and minimise delivery times. Additional cooling solutions for FLENDER SIG are optional standards. Your gear unit will always be kept at an optimum temperature by means of fans or water cooling, a combination of both variants, or a separate cooling system, as required. Reliable as ever FLENDER SIG offers you optimum system availability. Life cycle costs have also been further reduced by increasing rolling bearing life. Furthermore, the gear unit concept provides for an optimised use of rolling bearings. The increase in thermal capacity reduces the gear units additional cooling requirements as much as possible. Optional taconite seals offer optimum protection against leakage from shaft sealing rings in dusty environments. Improved thermal capacity For many users the gear unit s temperature pattern plays a decisive role. Here not only is an excellent performance required, it must also not be limited by the maximum temperature of the oil. Users need compact and highperformance gear unit solutions which are very close to the point of application and at the same time are able to optimally dissipate heat. The FLENDER SIG series achieves this with its consistent improvement of the mechanical and design characteristics. FLENDER SIG offers not only an excellent efficiency level of 97% but also a markedly improved thermal capacity. The extension of the monoblock housings to up to 125,000 Nm (size 13/14) with improved thermal performace and optimised noise characteristics played a decisive part here. 7

8 New from 2012 on: i = FLENDER SIG H1 and B2 The extension of the range to include single-stage and two-stage bevel-helical gear units (H1 and B2) completes the range of types in the FLENDER SIG series by providing further transmission stages downwards. These performance-oriented gear units, with their extremely low rated transmission ratios from i = 1.12 up, achieve small speed differentials and are extremely finely graded. Furthermore, the number of sizes in comparison with the FLENDER gear unit series was doubled especially for H1. Pumps and compressors The new single-stage helical gear unit FLENDER SIG H1. The new FLENDER SIG H1 single-stage helical gear units are designed specially for the many pump and compressor applications which require as precise a transmission ratio as possible from their drive solution. Siemens offers such solutions in the H1 gear unit of the standard range without making a special product series from it. The intermediate sizes bring you even closer to the torque you want. H1 and B2 are part of the modular FLENDER SIG kit. This contributes to an even better delivery performance. Heat control The biggest challenge for industrial gear units lies in their thermal capacity. For you as a user the temperature control of the gear unit is especially important. Maximum efficiencies and very good heat dissipation are essential requirements in a thermally optimised gear unit. FLENDER SIG precisely fulfills these requirements at an extremely high level. 8

9 The new two-stage bevel-helical gear unit FLENDER SIG B2. Pump applications require precise transmission from the drive components. 9

10 The solution for even more applications Product features Even more torque for the same size of gear unit Even more flexibility thanks to additional mounting positions Even more system availability thanks to improved rolling bearing life Even closer to the torque the customer wants thanks to highly harmonised torque grading Wide range of variants: seven design types with a solid shaft and various hollow shaft variants Optionally also available with dust proof taconite seals or contactless labyrinth seals Internal cooling or standardised add-on fan, as required Global fast availability Attractive price-performance ratio Higher operational reliability with increased power density Examples of application Conveyor drives Hoisting gear drives for cranes Water screw drives Bucket elevator drives Paper machine drives Fan drives Pump drives Compressor drives FLENDER SIG Helical gear unit, single- to four-stage Bevel-helical gear unit, two- to four-stage Sizes 12 (503 to 514) 12 (503 to 514) Nominal power ratings up to 3,900 kw up to 1,400 kw Nominal output torques up to 125 knm up to 125 knm Nominal transmission ratios 1.12 to to

11 Integrated cooling coil (optional) Cooling with fan (optional) Wide range of drive shaft types Universal design for several mounting positions Backstop (optional) Universal attachment options Different seal types available Robust housing More performance and more harmonised size grading with FLENDER SIG, Siemens offers a comprehensive gear unit range. 11

12 Further information on gear units: Further information on couplings: Further information on control systems: Further information on motors: Further information on frequency converters: Further information on geared motors: For more information please contact: For more information and technical descriptions, click on the Support navigation point on our website. Siemens AG Industry Sector Mechanical Drives Alfred-Flender-Straße BOCHOLT GERMANY Subject to change without prior notice 0412 Order No.: E20001-A220-P900-V DISPO GD.MD.ST.SSIG WS Printed in Germany Siemens AG 2012 The information provided in this brochure contains merely general descriptions or characteristics of performance which in case of actual use do not always apply as described or which may change as a result of further development of the products. An obligation to provide the respective characteristics shall only exist if expressly agreed in the terms of contract. All product designations may be trademarks or product names of Siemens AG or supplier companies whose use by third parties for their own purposes could violate the rights of the owners.