SKF Induction heaters
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Catalog excerpts

SKF Induction heaters - 1

SKF Induction Heaters A comprehensive range for bearings and other workpieces

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SKF Induction heaters - 2

It’s a fact. Incorrect mounting methods account for up to 16% of premature bearing failures To reduce the risk of incorrect mounting, SKF helped pioneer the use of portable induction heaters for bearing mounting applications in the 1970’s. Since that time, there have been many advances in technology and SKF has been at the forefront in developing safer, more efficient and user-friendly bearing induction heaters. SKF Induction Heaters utilise advanced power electronics with application specific designs for high performance. Main causes of premature bearing failures As a result, by using an...

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SKF Induction heaters - 3

Thermostat controlled bearing heating Electric hot plate 729659 C The SKF 729659 C is a heating device especially designed for pre-heating batches of small bearings prior to mounting. The temperature of the plate can be adjusted to provide temperatures between 50 and 200 °C (120 and 390 °F). The flat heating surface ensures even bearing heating and the cover helps retain heat and keep contaminants out. Technical data Designation Temperature range Plate dimensions (l × w) Heater selection tool The online heater selection tool helps to select the most appropriate SKF heater for a given hot...

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SKF Induction heaters - 4

A portable solution for bearing heating Portable induction heater TWIM 15 The SKF portable induction heater TWIM 15 is designed for applications in maintenance jobs to heat up roller bearings that are mounted with an interference fit onto a shaft. Heating the bearing causes it to expand, which eliminates the need to use force during installation. Generally, using the TWIM 15 to generate a 90 °C (162 °F) temperature difference between the bearing and shaft is sufficient to enable installation. In addition, the TWIM 15 can be used to heat other ring-shaped, metallic components, providing...

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SKF Induction heaters - 5

Innovative heating Because of the induction plate’s flat shape, a support yoke is not needed. This increases the type of components that can be heated on the plate and also reduces the number of required accessories. Due to the medium-frequency technology used and choice of materials, the heater is lightweight. Also, the built-in handle makes it convenient to transport, and it can be stored easily. Utilizing smart construction and operating software, the heater produces a low temperature difference between the inner and outer ring of the bearing. This reduces the internal tensions generated...

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SKF Induction heaters - 6

Features and benefits The comprehensive SKF induction heater range can be used for efficiently heating bearings and workpieces, both large and small. Their innovative design offers significant advantages to both owners and operators: • Advanced power electronics, with accurate electric current control, help control the temperature rate increase • Two step power setting option (50% / 100%), enables small bearings to be heated safely and at a lower power consumption • For heating components other than bearings, all heaters are equipped with a heating time mode and for large components,...

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SKF Induction heaters - 7

Small induction heater with a 40 kg bearing heating capacity Medium induction heater with a 120 kg bearing heating capacity Large induction heater with a 300 kg bearing heating capacity • Compact lightweight design; just 21 kg (46 lb), facilitating portability • Capable of heating a 28 kg (62 lb) bearing in just 20 minutes • Supplied standard with three yokes, allowing bearings with a bore diameter from 20 mm (0.8 in.) up to a maximum weight of 40 kg (90 lb) to be heated • Capable of heating a 97 kg (213 lb) bearing in less than 20 minutes • Supplied standard with three yokes, allowing...

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SKF Induction heaters - 8

TIH L series The SKF TIH L series heaters are characterized by a high heating power and large size. They are the continuation of the TIH series for heating large size bearings. All heaters are equipped with sliding yokes, dual coil design and advanced power electronics. The frame of the heater allows easy transportation by fork lift. The key differences between heaters in the TIH L range are heating power and operating area. Large induction heater with a 700 kg bearing heating capacity Extra-large induction heater with a 1 200 kg bearing heating capacity Extra-large induction heater with...

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SKF Induction heaters - 9

Technical data - TIH L series Designation Bore diameter range Coil diameter Standard yokes (included) to suit bearing minimum bore diameter Optional yokes to suit bearing minimum bore diameter Performance example (bearing, weight, temperature, time) Demagnetisation according to SKF norms Total weight (incl. yokes) Some special voltage versions (e.g. 575V, 60 Hz CSA ready) are available for specific countries. For additional information, please contact your local SKF authorised distributor. Maximum heating temperature capacity depends on the weight and geometry of the bearing or workpiece....

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SKF Induction heaters - 10

Solid workpiece heaters The SKF TIH L MB series is specially designed to heat solid workpieces, such as rings, sleeves, gears, couplings, bushings and pulleys, as well as train wheels, tires or similar components. Featuring one magnetic coil in the center, these powerful and durable heaters localize the heating in the workpiece bore for superior performance on solid components. Induction heaters for non-bearing applications TIH L MB series The TIH L MB series provides the following advantages for quick and effective heating of solid workpieces: • • • • • • • The TIH L MB heats non-bearing...

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SKF Induction heaters - 11

Technical data Designation Maximum workpiece weight Bore diameter range Coil diameter Standard yokes (included) to suit workpiece minimum bore diameter Temperature control Time control 0–120 minutes; in steps of 0,1 minute 0–120 minutes; in steps of 0,1 minute 0–120 minutes; in steps of 0,1 minute Demagnetisation according to SKF norms Maximum heating temperature 2) Some special voltage versions (e.g. 575V, 60Hz CSA ready) are available for specific countries. For additional information, please contact your local SKF authorised distributor. Depending on bearing or workpiece weight. For...

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