Manual Safe Therm 700-1200_CU_GBe - Ntn
Contents
1. Always use the sliding fiberglass parts between the heater and the part to be heated Only place part horizontally Do not touch the U core Always lay part flat on surface Safe Therm 700 Max dimentions part Max inner diameter 800 mm 31 5 Min inner diameter 45 mm 1 77 Max height 420 mm 16 54 Max weight part Bearing 700 kg 1543 Ibs Max Weight part solid 700 kg 1543 23 Ibs Safe Therm 1200 Max dimentions part Max inner diameter 1500 mm 59 06 Min inner diameter 85 mm 3 35 Max outer diameter 1550 mm 61 02 Max height 460 mm 18 11 Min weight 50 kg 110 23 Ibs Max weight part Bearing 1200KG 2645 Ibs Max Weight part solid 1200KG 2645 55 Ibs 5 START HEATER The heater can be switched on with the start stop button or remote control Standard the heater starts up with the remote control outside of the magnetic field The remote control makes it possible to start and stop the heater In case of loss of the remote or other reasons it is possible to use the start stop button only This can be changed in the user mode A ctivate start stop button direct start without remote Push 10 seconds Start Stop gt In the display appears U08 Push Button Start stop in the display appears 1 Change with down button to 0 Push button start stop and U08 appears in the display Push button up button till UO5 in the display appe2. NTN SNE INDUCTION HEATERS Read these operation instructions attentively INSTRUCTION MANUAL Safe Therm 700 Safe Therm 1200 NTN SNR Roulement 1 rue des Usines BP 2017 74000 ANNECY Cedex France www ntn snr com Control all parts without delay for possible transport damages If such damages are determined inform the carriers immediately TABLE OF CONTENTS Safety PreCautiOns ccceeeeceeeeneceeeeeneeeeeenneeeeseennaeees 2 MEE OCUG TON orno EEEE 4 MIS VAN AU OM re E EAE ENEA 5 Setting up the work PieCe 22ccceeeeeeeeeneeeeeeneeneeeenees 5 Dlt WIG Nedo canescens O E 6 e OPETAN ONS irra rrenan EEEE AERES 8 3 WSCC AN A aAA EEEE EN 11 Electrical drawing Safe Therm ccceeseeeeeseeeeeeenees 12 Declaration Of CONFOIMIAY cccce cece eeeeeeeeeeeeeeeeeeeees 14 1 SAFETY PRECAUTIONS The operation instruction should always be followed e NTN SNR ROULEMENTS shall not be held liable for damages caused by improper handling or by use which does not comply with the designation purpose e Prerequisites of the operator gt He must be authorised to use this equipment gt He must be familiar with the safety precautions gt DANGER High risk injury WARNING Potential risk injury CAUTION Danger of damaging the device or the work piece WARNING Since a magnetic field 4 5 is generated by the induction heater people wearing a pacemaker 1
3. e Asa safety feature the connection between magnet and probe will break above the maximum temperature If this occurs when operating in the Temperature Mode the machine will turn itself off since the probe will fail to register any increase in the temperature over a set period of time e A probe fixed to a clamp is also available when heating non magnetic work pieces e Ensure that the area where the probe is located is completely clean e Connect the probe by inserting the plug into the socket at the side of the heater watch out for CAUTION Treat the probe with care It is a valuable part of the heater and can easily be broken through careless handling After use we suggest that it is placed on the side of the vertical pole 6 OPERATIONS Display Control panel Heating with temperature pre selection function When heater is switched on the display will show 110 230 F With A and B you can decrease the temperature to 0 C 32 F and increase to 240 484 Select temperature and press start stop to start the heating process The heater will first count down for 30 seconds this makes it able for the user to step away from the heater 1 meter 38 start heater with remote control The display will now show progress of heating cycle Once pre selected temperature is reached the acoustic signal will sound and the display will flash Press stop on the remote control and place probe on one of the po
4. Dimensions S TYPE Dimensions Induction yoke L Tool ST700 yoke 45 Tool ST700 yoke 60 Tool ST700 yoke 70 Tool ST700 yoke 85 Tool ST700 yoke 100 Tool ST700 yoke 115 Tool ST700 yoke 130 Tool ST700 yoke 145 7 2 Technical data for Safe Therm 1200 Type Voltage Power 46KVA 460V 40 KVA 400V Overall dimensions 1200x1700x1250 mm 47 2 x66 9 x49 2 Max weight work piece Max weight Bearing Mass Heater without yokes 850 kg 1873 92 lbs TYPE Dimensions Induction yoke aaa Tool ST1200 yoke 85 Tool ST1200 yoke 115 Tool ST1200 yoke 145 Tool ST1200 yoke 215 1 8 ELECTRICAL DRAWING Safe Therm 700 Thermal Thermal switch 120 C switch 120 C Heat sink oil 0 757 Yellow O OOO TT 400 600V Coil 2 Main switch Coil Safe Therm 1200 12 OOO Main switch Con6 13 Thermal switch 120 C Heat sink ow f 0 75 Yell Con7 Con1 Con9 Thermal switch 120 C Coil Ground 400 600V 9 DECLARATION OF CONFORMITY Manufacturer NTN SNR Bearing Address 1 rue des Usines 74000 Annecy France In accordance with low voltage Directive 2006 95 EC and EMV Directive 2004 108 EC We hereby declare that the product described below is in conformity with the applicable health and safety requirements of the EC Directive in terms of its design and type and in the execution we have brought into circulation This declaration shall cea
5. should not work or be in the immediate vicinity of the apparatus Other sensitive equipment such as wrist watches magnetic carriers electronic circuits 3 etc might also be affected The safety distance is 1 5 meters 57 The equipment should not be used in areas where there is a risk for explosion Use protective gloves danger of burning your hands Delivered gloved 7 are suitable up to 1500 302F Type Oil Tuff 52 647 made by Ansell Hot surface avoid contact 6 Wear Safety Shoes 8 Do not operate an Induction heater in areas where there is a risk of an explosion 1 2 3 4 5 6 7 8 A H 9 A A A O 9 AN CAUTION e All repair work should be taken care of by an official NTN SNR ROULEMENTS distributor e Use original spare parts only e Protect heater from water or very high humidity e Protect the yoke support and yokes against corrosion damage and deformation e Only preheat ball bearings to max 110 230F 1 1 SAFETY INSTRUCTIONS e The user should have an appreciation of the contents of this manual and be familiar with safe workshop practices e Follow the User Manual at all times e Ensure that the machine operates at the correct supply voltage The heater is supplied with a plug that should be changed only by a qualified person e Do not use or store the heater in humid environments NTIN SNR ROULEMENTS Induction heaters are designed for indoor use only e Use proper handling equipment appropria
6. ars Push Button start stop in the display appears 00 30 Change 30 with down button to 00 05 Push button start stop till U05 in the display appears Push button up button till U10 gt Push button start stop and 110 appears in displ ay VVV VV VV WV Start button activated A S If S ctivate Remote control tart the heater with the remote control Set temperature time or temperature time ramp Push the start stop button Display will count down for 30 seconds Step away from heater 9 Start heater within this 30 seconds with the remote control the heater is not activated in these 30 seconds appears Repeat above ely tart the heater with start stop button only Set temperature time or temperature time ramp Push the start stop button Display will count down for 5 seconds Step away from heater The heater will start to heat Oe SS NOTE Process can be interrupted by pressing stop at any time Set up can be done in by 3 different ways Temperature Time versus temperature ramp Time AA Use protective gloves Heating temperature controlled Place magnetic probe on work piece close to the bore Make sure that the place reserved for the probe is free of any grease or oil Sketches e Always use magnetic temperature probe hereafter referred to as the probe for heating in the Temperature Mode e The probe is suitable for operation up to a maximum temperature of 240 C 484 F
7. as follows o Safe Therm 700 Braun Black us Phase Blue Phase Black us Green yellow ground o Safe Therm 1200 Braun Black us Phase Blue Phase Black us Green yellow ground connect the wire 952 to the fuse box e Make sure that the supply cable cannot come into contact with the bearing that is to be heated Insert the plug into a shockproof wall socket e Connect the heater to electric mains e Keep distance to surrounding object by 0 5 metre 19 e Turn main switch from 0 to 1 e The heater will emit a short beep and in the display 110 230F will appear e The induction heater is now ready to be used 4 SETTING UP THE WORK PIECE WARNING Use appropriate hoisting equipment for heavy components and yokes The manual lifting of heavy pieces is acommon cause of injury Wear Safety Shoes as inductor yokes can slip out of your hands The weight of the work piece should not exceed the maximum weight shown in drawing below Exceeding these limits may result in equipment failure leading to personal injuries Ensure that the mains cable cannot come into contact with the work piece Damage to the cable may result in electrocution Never support components with a metal cable or have any hanging in the proximity of the magnetic field Extremely high currents can flow through the cable causing a quick raise of temperature resulting in a risk of burning The work piece can be set up only in one way
8. es Please check The probe no damage and placed properly The part can be too big for the machine heating time to long E04 Coil or heat sinks are too hot more than 120 Inform your distributor E06 No Zero crossing e Inform your distributor E08 Invalid ramp e Check time and temperature If a loud vibrating noise heard first check e Are the contact surfaces clean and greased sufficiently e Are the yokes 100 in contact with the surface 6 2 Adjustment yokes WARNING If in any doubt isolate the machine and contact your local distributor Check if the grinded side is flat Place yoke or pivoting yoke on the heater aE SN S Fasten screws and turn off heater Cleaning and maintenance Store in a dry frost proof area free from humidity Keep clean with a soft dry cloth Keep the contact parts of the poles clean Grease regularly with an acid free grease for optimal contact with the yokes and to avoid corrosion on swing arm models also grease the vertical pin regularly Contact your supplier if there is any suspicion of malfunctioning Unscrew the screws in yoke and pivoting point an 1 4 turn Turn on the heater and the yoke will set itself or use a nylon hammer 10 7 TECHNICAL DATA 7 1 Technical data for Safe Therm 700 29KVA 460 V 25 2KVA 400 V 780x1200x1060 mm 30 7 x47 2 x41 7 Max weight work piece Max weight Bearing Mass Heater without yokes
9. les remove work piece Heating time versus temperature ramp This is specially developed for the heating of gears and bearings with a small clearance The user can set the temperature and time the heater will heat the part exactly to the preset temperature in the preset time The major advantage this provides is the temperature differential between the internal and external component material remains low thus reducing the potential for material stress accumulation and subsequent potential distortional damage Press D and set temperature press E and set time gt 10 minutes Both LED s are lightning Press start stop to start the heating process The heater will first count down for 30 seconds this makes it able for the user to step away from the heater 1 meter 38 start heater with remote control The display will now show progress of heating cycle The power will automatically be regulated by the microprocessor Once pre selected temperature is reached the acoustic signal will sound and the display will flash Press stop on the remote control and place probe on one of the poles remove work piece 200 C 150 C 100 C 50 C AMM Heating curve as a function of temperature c S sS 5s amp 20min 30min 35min 40min This slower heating process will avoid a big differential between A and B low stress heating method Temperature hold As soon as the temperature drops 5 F heating wil automatical
10. ly repeat This process will repeat itself 5 times Press stop and place probe on one of the poles remove work piece Heating with time pre selection function Heating on the time pre selection is only to use in production areas where constantly only one and the same part will be heated up Heat the part that have to be heated repeatability on the temperature mode and control the heating time with a separate stop watch Now you can heat the part constantly on the time mode without placing a sensor When heater is switched on the display will show 110 230 F Switch on the heater and press button E The display will show 00 00 Select time and press start stop to start the heating process The heater will first count down for 30 seconds this makes it able for the user to step away from the heater 1 meter 38 start heater with remote control The display will count down first to 00 00 When heating cycle has ended the acoustic signal will sound Press C and remove work piece WARNING Use the time mode with care and only for the application described above Heating process may not be started unless the yoke is correct in place over the poles 6 Press start stop and check which of above possibilities is causing the Error signal 1 Malfunctioning Error Signals E01 The probe is not plugged in or the cable of the probe is broken E02 The increase of temperature is lower than 1 in 10 minut
11. ny direct or indirect damages arising either out of any defects in the products or the use of the products even if NIN SNR ROULEMENTS has been informed in advance of the possibility of such damage Such excluded damages shall include but are not limited to costs of removal and installation losses sustained as the result of injury to any person or damage to property 14 DOC _ SAFETHERM CU GBe
12. se to be valid if any modification is made to the product without our agreement Product description Induction heater device Product name Safe Therm Type Safe Therm 700 1200 Applicable harmonised standards IEC 335 1 EN60335 Classification 1 industrial environments IEC 664 1 Category 1 industrial environments EN 55011 2009 Industrial scientific and medical equipment Radio frequency disturbance EN 61000 2 3 2006 characteristics Limit and methods of measurement EN 61000 3 3 2008 Electromagnetic compatibility EMC Part 3 2 Electromagnetic compatibility EMC Part 3 3 Electromagnetic compatibility EMC Part 6 2 Generic standards Immunity for industrial environments Induction Heating Systems Warranty Terms and Conditions NTN SNR ROULEMENTS guarantees this product to be free from defects in material and workmanship for a period of 3 years from date of purchase It remains the customer s responsibility to provide proof of this date of purchase During the warranty period NTN SNR ROULEMENTS will either repair or replace any product that proves to be defective Limitations This warranty does not apply to defects resulting from product modification or misuse of any product or part without NTN SNR ROULEMENTS written consent Furthermore this warranty does not apply to fuses or problems arising from normal wear or failure to follow instruction Neither NTN SNR ROULEMENTS nor its employees shall be liable for a
13. te for the weight of the work piece or yoke Never support the pieces to be heated with a metal cable or have anything metallic hanging in the proximity of the magnetic field Extremely high currents can flow through the cable causing the cable to heat up e Do not hold metal objects near the yokes and poles 1 2 SAFETY PRECAUTIONS e Place heater only on a horizontal surface e Keep distance to surrounding object by minimum of 1 5 Metre 57 e Use only in well ventilated location e Prevent to heat up object containing Oil grease or similar due to possible generator of fumes and smoke e Do not inhale breath fumes or smoke e Do not move or lift heater after heating process when warm e Do not rout supply cable through the core e While heating keep at least 1 5 metre 57 distance from the heater e Never remove the yokes during the heating cycle e Do not modify the heater and do not use self fabricated yokes e Always check that the yoke is correctly adjusted to the poles otherwise excessive vibration may occur e Only switch the machine on when the yoke is positioned correctly on models equipped with a pivoting yoke the yoke should always be closed NOTE Since our products are subject to continuous improvement we reserve the right to make changes 1 3 SAFETY FEATURES The heater will automatically switch off if the temperature of coil or heat sink will be higher as 120 248 F Let the heater cool down for 30 min
14. ters are designed to heat the work piece up to a maximum temperature of 240 C 464 F NTN SNR ROULEMENTS heaters can be used on continuous bases By heating with the time function this has to be checked with an external temperature meter Place always the temperature sensor to check within the first heating CAUTION Bearings should be heated up on most of the cases to a maximum temperature of 120 c 248 f Do not use induction heaters for bearings or work pieces which are outside the minimum or maximum dimensions specified in this manual Do not switch off the heater with the main switch while heating cycle is running Operation condition The heater is designed to be used in an industrial environment with an ambient temperature of 0 C to 40 32F to104f and an atmospheric humidity bet ween 5 and 90 The induction heater is meant for indoor use only INSTALL 3 INSTALLATION i B e Remove packaging material and place the induction heater on a non ferrous stable flat surface The box will normally contain the heater a yoke or a set of yokes the temperature probe and a pair of heat resistant gloves e Check that the supply voltage and current meet the specifications on the plate that is located on the back of the machine e As there are a large number of plug types change the NTN SNR ROULEMENTS induction heaters plug provided with a plug that fits to your power supply e The wires should be connected
15. utes and turn on the heater again E 04 When using temperature mode the heater will switch off automatically if the rate of temperature rise is to low E 02 An induction heater works due a magnetic field In figures below there are some measured values of the flow density in MilliTesla mT These measurements can be used as a guide in conforming to local regulations regarding the maximum time exposure of people to magnetic fields The values below are only valid for this combination of bearing type and yoke bar Different configurations may give different values Due to the large variety of bearing types in combination with the different yoke bars it is impossible value Safe Therm 700 ee Hel MEE Ml al Rial ial Min Mat all ill dl 0 23 0 16 0 15 ad ee oe o pas poa es po an oe Safe Therm 1200 es Sapa oer far por Hoar fon os bar a 023 0416 045 em pee pe om jor pas poa en po an p oe WARNING We advise a safety distance of at least 1 5 metre 57 for people CAUTION The machine works through an induction field This can influence electronic equipment e g watches magnetic charts etc 2 INTRODUCTION The NTN SNR ROULEMENTS induction heaters are intended for heating rolling bearings Other metal components forming a closed circuit such as bushings shrink rings pulleys and gears can also be heated This will facilitate mounting where an interference fit is required The hea
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