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Tandler SP2
Planetary spiral bevel gearbox
- Planetary spiral bevel gearbox
- 8 standard ratios
- Max torque 2500 Nm

The Tandler SP2 planetary spiral bevel gearbox is a combination of spiral bevel, planetary and worm gear technology allowing changes in the angular position of the output shaft relative to and at right angles to the input shaft. The SP2 speed modulation gearbox also provides the capability to vary the output speed within a narrow range.
Features Tandler SP2 speed modulation gearbox
- 12 gearboxsizes and 9 standard ratios.
- Ratios of shaft d1
i = n1:n2 = 1,66:1; 1,33:1; 1:1; 1:1,2; 1:1,5; 1:2; 1:3; 1:3,75; 1:4,5
- Ratios of shaft d2
i = n2:n1 = 4,5:1; 3,75:1; 3:1; 2:1; 1,5:1; 1,2:1; 1:1; 1:1,33
- Ratios of worm shaft d3
i = n3:n1 = 135:1 - Permissible max. torque up to 2500 Nm
- Pemissible power up to 80 kW.
- Maximum speed at shaft d1 1000 min-1.
- Maximum speed at shaft d3 3000 min-1.
- Widened Backlash 13'.
- Using multi-start worm gears, the speed modulation ratio may be reduced.
- Right-angle input and output.
Chocolat biscuits production with Tandler and Stober
High-grade motorgears and bevel gearboxes used in the production of chocolate biscuits.
Transmission of the feed chain by means of a Stöber helical-bevelbox.
Various filling operations driven through one main motor, Stöber coaxial geared motor with attached four Tandler bevel gears.
Synchronous operation in position with the flow of the biscuits is realized with Tandler speed interference gearboxes.
The gear units are lubricated for life and filled with special oils for the food industry.
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High precision and long life span
Tandler produces the speed modulation gearbox with highest precision and maximum service life for mechanical engineering. Highest quality speed modulation gearbox thanks to the highest gear tooth quality, available up to class 1. All products are subject to inspection during all phases of the product process and are carefully checked again before delivery. Read about it in Rico's blog.
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Support with selection speed modulation gearbox
We will calculate and select the best speed modulation gearbox for your application according to your specifications and requirements.
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Client-specific requirements
Tandler offers an almost unlimited variety of speed modulation gearbox combinations and variatorions, gearboxes with customised features and special speed modulation gearboxes to meet your requirements.
From one up to three additional shafts, you will find the perfect solution:
- Numerous special options available, such as reinforced bearings
- Versions for special requirements such as use in the food industry
- Various corrosion resistant finishes: aluminium, stainless steel, painting or Tenifer 30 NO treatment
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Speed adjustable within narrow range
The Tandler speed modulation gearbox stands out because the rotational speed is adjustable within a very narrow range.
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Precise shaft phasing
Precise shaft phasing by reducing or increasing the speed with using multi-start worm gears.