SKF TMBH 1 Bedienungsanleitung

SKF TMBH 1

Instructions for use

Mode d’emploi

Bedienungsanleitung

Instrucciones de uso

Manuale d’istruzioni

Instruções de uso

使用说明书

Инструкция по эксплуатации

Betjeningsvejledning

English

English 2

Français

Français 10

Deutsch

Deutsch 18

Español

Español 26

Italiano

Italiano 34

Português

Português 42

中文

中文50

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Русский 58

Dansk

Dansk 66

2SKF TMBH 1

Table of contents

EC Declaration of conformity ....................................................................................3

Safety recommendations..........................................................................................3

1. Introduction .....................................................................................................4

1.1 Principle of operation.................................................................................................... 4

2 Technical data ..................................................................................................5

3. Operating instructions......................................................................................6

3.1 Instructions before use ................................................................................................. 6

3.2 Keyboard functions........................................................................................................ 7

3.3 Demagnetization............................................................................................................ 8

4. Safety features.................................................................................................8

5. Maintenance.....................................................................................................8

5.1 Fault ﬁnding.................................................................................................................... 9

6. Spare parts list ................................................................................................9

Original instructions

3SKF TMBH 1

English

Safety recommendations

• Always read and follow the operating instructions.

• The unit is surrounded with a low energy magnetic ﬁeld which might cause

interference with sensitive electronic equipment such as pace-makers,

electronic thermometers and wrist watches.

• Make sure the supply voltage does not deviate from the acceptable range of

100 - 240 V, 50 - 60 Hz.

• The equipment should not be used in areas where there is a risk for explosion.

• Do not expose the equipment to high humidity or direct contact with water.

• Never heat to temperatures above 200 °C (392 °F).

• Never disconnect the heating clamp during operation.

• Never modify the heater.

• All repair work should be taken care of by an SKF repair shop.

EC Declaration of conformity

We, SKF Maintenance Products, Kelvinbaan 16,

3439 MT Nieuwegein, herewith declare that the following product:

SKF High Frequency Portable Induction Heater

TMBH 1

has been designed and manufactured in accordance with:

EUROPEAN LOW VOLTAGE DIRECTIVE 2014/35/EU, EMC DIRECTIVE 2014/30/EU,

EUROPEAN ROHS DIRECTIVE 2011/65/EU

Nieuwegein, The Netherlands, May 2016

Sébastien David

Manager Product Development and Quality

4SKF TMBH 1

1. Introduction

The SKF Bearing Heater TMBH 1 is intended for heating rolling bearings with an inner

diameter up to 80 to 100 mm (3 – 4 in.) and a maximum corresponding weight of

4 – 5 kg (9 – 11 lb).

Other ring-shaped metal components forming a closed circuit such as gears, pulleys,

bushings and shrink rings can also be heated. This apparatus uses a patented method of

heating based on high frequency induction. This new concept caters for optimized efﬁciency

and is a truly portable unit.

The unit is supplied with heating clamp, temperature probe, power cable (without plug)

and a carrying case as standard.

1.1 Principle of operation

An induction heater can be compared with a transformer using the principle of a primary

coil with a large number of windings and a secondary coil with a few windings on a mutual

core.

The input / output voltage ratio is equal to the ratio of the windings, while the energy

remains the same. In the case of the SKF Bearing Heater TMBH 1, the primary coil

is connected to a high frequency power supply. The bearing acts as a short-circuited

single-turn secondary coil through which a low AC voltage ﬂows at high amperage,

thus generating a lot of heat. The heater itself as well as the clamp remain at ambient

temperature.

Due to different physical proportions the inner ring of a bearing will heat up faster than

the outer ring, thus reducing the radial internal clearance. As long as the recommended

temperature of 110 °C (230 °F) is not exceeded, this does not threaten to damage the

bearing.

Both greased and sealed bearings can be heated without risk of damage.

5SKF TMBH 1

English

2. Technical data

Designation TMBH 1

Power

Voltage 100–240 V, 50–60 Hz

Power (maximum) 350 Watt

Cosine φ> 0,95

Component size range

Inner diameter 20 ... 100 mm (0.8 ... 4 in.)

Width < 50 mm (2 in.)

Weight up to approximately 5 kg (11 lb)

Control functions

Time control 0–60 minutes

Temperature control 0–200 °C (32–392 °F)

Accuracy temperature control ± 3 °C (± 6 °F)

Maximum temperature 200 °C (392 °F)

Dimensions

Control box 150 ™330 ™105 mm (6 ™13 ™4 in.)

Heating clamp 114 ™114 mm (4.5 ™4.5 in.)

Operating space heating clamp 52 ™52 mm (2 ™2 in.)

Complete unit in carrying case 370 ™240 ™130 mm (15 ™9 ™5 in.)

Length clamp cable 75 cm (30 in.)

Length power cable 2 m (80 in.)

Length temperature probe cable 100 cm (40 in.)

Weight complete unit 4,5 kg (10 lb)

6SKF TMBH 1

3. Operating instructions

3.1 Instructions before use

A. Make sure the line voltage is within the speciﬁed

range of 100–240 V, 50–60 Hz.

Properly attach an approved cable plug (not

delivered with the unit due to local variations).

Connect the cable to the heater using the

so-called Euro-connector.

B. Connect the heating clamp to the control box.

Never connect or disconnect the heating clamp

during operation.

C. If the temperature mode is to be used, connect

the temperature probe to the heater.

It is then recommended to attach the probe

to the hottest part of the component which in

general is the part closest to the clamp.

In case of heating a bearing, always connect the

probe to the inner ring.

D. Turn on the main switch.

E. Insert the clamp through the bore of the

component to be heated. Continue according to

the instructions in chapter 3.2.

7SKF TMBH 1

English

3.2 Keyboard functions Bearing Heater TMBH 13.2.1 Working with time control - TIME MODE

A. If necessary switch from TEMPERATURE MODE to TIME MODE by pressing .

B. Select the desired heating time by using the keys and .

C. Press to activate the heating cycle. The remaining heating time will be displayed.

Note that the maximum temperature the clamp can withstand is 200 °C (392 °F).

D. An acoustic signal will indicate when the heating cycle has been completed.

This will switch off after 10 signals or when pressing .

E. The heater is then ready for use with the same preselected time.

3.2.2 Working with temperature control -TEMPERATURE MODE

A. If necessary switch from TIME MODE to TEMPERATURE MODE by pressing .

When the TEMPERATURE MODE is selected, 110 °C (230 °F) is automatically

displayed as the default value which is the recommended heating temperature for

bearings.

B. Select the desired heating temperature (maximum 200 °C / 392 °F) by using the keys

and .

C. Press to start heating. The actual temperature of the component being heated

will be shown.

D. An acoustic signal will indicate that the preselected temperature has been reached.

This will switch off after 10 signals or when pressing .

E. If the workpiece is left in position, the heater will automatically start again as soon

as the temperature has dropped to 10 °C (50 °F) below the selected value.

This thermostatic function is stopped by pressing .

F. The heater is again ready for use with the same preselected temperature.

8SKF TMBH 1

Note:

• Make sure the unit is switched off before you open the clamp.

• Do not disconnect the clamp during operation.

• Never use two heaters on the same component.

3.2.3 Thermometer mode

While not in operation the unit will display the actual temperature recorded by the probe

when and are pressed simultaneously.

Reset this function by pressing any other key.

3.2.4 Change of temperature unit

To change from °C to °F or vice versa, press the buttons and simultaneously.

3.3 Demagnetization

The high frequency current used, which creates low ﬂux density in the bearing, means that

no magnetization will take place, thus avoiding the necessity for demagnetization.

4. Safety features

This bearing heater is equipped with the following safety features:

• Input current fused at 5 A.

• Output current restriction to the clamp at 1,2 A at 380 V.

• Internal thermal overload protection (indicated by error code 03).

• In the TEMPERATURE MODE the heater will switch off if the temperature probe does

not register a temperature increase of 1 degree every 15 seconds (indicated by error

code 05).

• A short circuit on the clamp windings or cable will not inﬂict any risk to the user.

5. Maintenance

To ensure optimal performance and lifetime of the heater protect the unit against physical

misuse, high humidity and direct contact with water. Avoid impacts against the clamp.

The ferrite core especially is sensitive to these types of shocks.

Do not overload the spring mechanism on the clamp.

Make sure the the ferrite poles are clean and that the clamp closes perfectly.

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