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5 

Initial start-up

Perform initial start-up only after all work as described in 

Ä

 Chapter 4

„Installation“ on page 20 has been carried out.

5.1  Switching on

n

The device must be connected to the power supply if this has not

been done already.

n

Switch on the device with the main switch (8) on the back of the

device.

n

The POWER SUPPLY lamp lights up.

5.2  Function check

CAUTION!
Only perform the function check at a speed of 100 1/

min. Use two empty grinding bowls of equal weight to

prevent too great an imbalance.

n

Open the hood (3).

n

Clamp two empty lidded grinding bowls with of the same weight.

n

Close the hood (3).

n

Set the speed on the control panel as 100 1/min. (see 

Ä

 Chapter 6.8

„Setting the speed“ on page 36)

n

Press START on the control panel.

n

The hood (3) is locked and the mill starts up at the preselected

speed.

 

Initial start-up

 

 

- 26 -

 

Содержание PULVERISETTE 7

Страница 1: ...ANETARY MICRO MILL PULVERISETTE 7 classic line Operating instructions Valid starting with 07 4000 0487 Read the instructions prior to performing any task Translation of the original operating instructions ...

Страница 2: ...Version 03 2014 Index 011 Fritsch GmbH Milling and Sizing Industriestraße 8 D 55743 Idar Oberstein Telephone 49 0 6784 70 0 Fax 49 0 6784 70 11 Email info fritsch de Internet www fritsch de ...

Страница 3: ...meinschaft e V An audit certified that Fritsch GmbH conforms to the requirements of the DIN EN ISO 9001 2008 The enclosed Conformity Declaration lists the guidelines the FRITSCH instrument conforms to to be able to bear the CE mark Certification CE Conformity Certifications and CE conformity 3 ...

Страница 4: ...ctrical safety 16 2 8 1 General information 16 2 8 2 Protection against restart 16 2 8 3 Overload protection 16 2 8 4 Imbalance detection 17 3 Technical data 18 3 1 Dimensions 18 3 2 Weight 18 3 3 Operating noise 18 3 4 Voltage 18 3 5 Current consumption 18 3 6 Power consumption 18 3 7 Electrical fuses 19 3 8 Material 19 3 9 Final fineness 19 4 Installation 20 4 1 Transport 20 4 2 Unpacking 20 4 3...

Страница 5: ...ng 33 6 4 7 Wet grinding grinding in a suspension 33 6 5 Clamping the grinding bowls 34 6 5 1 Clamping with the spindle clamping device 5 34 6 6 Mass balance 34 6 7 Grinding duration 35 6 8 Setting the speed 36 6 9 Setting the running time 37 6 9 1 Changing the time unit in setup mode 37 6 10 Reverse mode 38 6 11 Repetition of grinding pause cycles 38 6 12 Conducting a grinding operation 39 6 12 1...

Страница 6: ...e 1 Hood handle 2 Latch 3 Hood 4 Membrane keyboard 5 Spindle clamping device 6 Lock 7 Voltage rotary switch 8 Main switch 9 Mains connection 10 Device fuse 2x 10 A T 11 RS232 interface 12 Support disc Basic structure 6 ...

Страница 7: ...ponsible for the safety of the machine to carry out the required work and are able to recognize and avoid possible hazards as defined for skilled workers in IEC 364 In order to prevent hazards to users follow the instructions in this manual Malfunctions that impair the safety of persons the PULVERISETTE 7 classic line or other material property must be rectified immediately The following informati...

Страница 8: ...vement 2 2 2 Drive motor and speed regulation A maintenance free three phase motor operated via a frequency con verter is used as the drive 2 3 Obligations of the operator Before using the PULVERISETTE 7 classic line this manual is to be care fully read and understood The use of the PULVERISETTE 7 classic line requires technical knowledge only commercial use is permitted The operating personnel mu...

Страница 9: ...from errors at installation improper operation or improper use or improper maintenance or are in any way connected to these The applicable accident prevention guidelines must be complied with Generally applicable legal and other obligatory regulations regarding environmental protection must be observed 2 4 Information on hazards and symbols used in this manual Safety information in this manual is ...

Страница 10: ...ill result in serious or fatal injury DANGER This symbol and keyword combination designates con tents and instructions for proper use of the machine in explosive areas or with explosive substances Ignoring information with this designation will result in serious or fatal injury DANGER This symbol and keyword combination designates con tents and instructions for proper use of the machine with combu...

Страница 11: ... used Example 1 Loosen screw 2 CAUTION Risk of entrapment at the lid Close the lid carefully 3 Tighten screw This symbol emphasises useful tips and recommenda tions as wells as information for efficient operation without malfunction To emphasise procedure instructions results lists references and other elements the following designations are used in this manual Designation Explanation 1 2 3 Step b...

Страница 12: ...ded ear protection should be worn to prevent hearing damage WARNING The maximum accepted concentration MAC levels of the relevant safety guidelines must be observed if nec essary ventilation must be provided or the machine must be operated under an extractor hood DANGER Explosion hazard When grinding oxidizable substances e g metals or coal there is a risk of spontaneous combustion dust explosion ...

Страница 13: ...pecialised per sonnel 2 6 Protective equipment Protective equipment must be used as intended and may not be disabled or removed All protective equipment must be checked regularly for integrity and proper functioning For start up the hood 3 has to be closed The hood 3 is locked n without mains connection n during operation The hood 3 can only be opened if the mill s drive is at a standstill 2 6 1 O...

Страница 14: ...ce In this case the second grinding bowl has to be filled accordingly NOTICE The maximum permissible weight difference is about 70 g for long term loading 100 g is permissible for short term loading CAUTION The imbalance switch can be disabled at your own risk The Fritsch company will give no guarantee for damage resulting from disabling of the imbalance switch NOTICE Change these settings only af...

Страница 15: ...SUPPLY is flashing the device is in setup mode If POWER SUPPLY is not flashing repeat the procedure 4 NOTICE In the display above the right button x in the TIMER field there must be a minus sign This indicates that the imbalance switch has been activated preventing the device from shifting position and any resulting damage to the device Safety information and use 15 ...

Страница 16: ...t restart If a power failure occurs during operation or if the device is switched off with the main switch 8 the hood 3 is locked The hood lock 6 is automatically released when the power returns For safety reasons how ever the mill does not restart 2 8 3 Overload protection n In the event of an overload the device reduces the speed in a con trolled manner The REDUCED SPEED light is lit as a warnin...

Страница 17: ...2 8 4 Imbalance detection The device switches off if there is excessive imbalance See Ä Chapter 9 Repairs on page 45 Safety information and use 17 ...

Страница 18: ...lls 3 4 Voltage The device can be operated in two voltage ranges n Single phase alternating current 100 120 V 10 and n Single phase alternating current 200 240 V 10 See also Ä Chapter 4 Installation on page 20 Transient overvoltages in accordance with overvoltage category II are permitted 3 5 Current consumption Depending on the mains voltage the maximum current consumption is in the ranges n 115 ...

Страница 19: ...e 10 A T in the frequency converter 3 8 Material n Maximum feeding size 5 mm n Maximum feed amount 2 x 20 ml 3 9 Final fineness n Dry grinding up to d50 20 µm depending on the material n Wet grinding up to d50 1 µm depending on the material Technical data 19 ...

Страница 20: ...nsport pallet n The pre perforated segments can be detached so that the foam parts can be removed more easily n Please store the transport packaging so that it can be reused if you need to return the product Fritsch GmbH accepts no liability for damage caused by improper packaging packaging that is not from Fritsch n Compare the contents of the delivery with your order Grinding bowls made of harde...

Страница 21: ...rsons n Place the mill on a flat stable surface n Make sure that the planetary micro mill can be easily accessed There has to be sufficient space to reach the main switch on the back of the device n Keep any obstructions away from the air outlet on the side ventila tion grate Risk of overheating 4 4 Ambient conditions WARNING Mains voltage The device may only be operated indoors The surrounding ai...

Страница 22: ...gnoring the values on the type plate may result in damage to the electrical and mechanical components Before establishing the connection compare the voltage and current values stated on the type plate with the values of the mains system to be used The mains voltage has been set at the factory to that of the specific country The mains voltage only has to be adjusted if it deviates from the value on...

Страница 23: ...erters are commercially available Operation without a residual current switch is possible but must be done in accordance with the relevant regu lations 4 5 1 Adjusting the mains voltage 4 5 1 1 Adjusting the mains voltage with the rotary switch 7 CAUTION Only qualified personnel may change the voltage range on the device CAUTION The voltage range may only be adjusted after the mains has been disco...

Страница 24: ...switch 8 on the back of the device and release the STOP button 3 If POWER SUPPLY is flashing the device is in setup mode If POWER SUPPLY is not flashing repeat the procedure 4 Use the ROTATIONAL SPEED buttons to adjust the level of the mains voltage 90 260 V for the existing mains system 5 To save and exit setup mode press the STOP button Installation 24 ...

Страница 25: ...Setting device specification in setup mode NOTICE P7 must always be displayed in the REPETITIONS field The Fritsch company assumes no guarantee for damage resulting from changing this setting Installation 25 ...

Страница 26: ...he POWER SUPPLY lamp lights up 5 2 Function check CAUTION Only perform the function check at a speed of 100 1 min Use two empty grinding bowls of equal weight to prevent too great an imbalance n Open the hood 3 n Clamp two empty lidded grinding bowls with of the same weight n Close the hood 3 n Set the speed on the control panel as 100 1 min see Ä Chapter 6 8 Setting the speed on page 36 n Press S...

Страница 27: ...Press the STOP button on the control panel n Shortly after the mill comes to a standstill the hood is unlocked and can be opened n Switch off the device with the main switch 8 on the back of the device Initial start up 27 ...

Страница 28: ... C the adhesive will liquefy and accumulate below the insert in the casing When the adhesive cools down it solidifies and pushes the casing up That can cause irreparable damage to the insert The grinding bowl will definitely be rendered unusable Above temperatures of 200 C the adhesive will be destroyed The same applies for encased grinding bowl lids V belt seals and motor require some time at the...

Страница 29: ...h density means high impact energy Abrasion resistance Use for grinding stock Agate 99 9 SiO2 2 65 Good Soft to medium hard samples Silicon nitride 90 Si3N4 3 25 Extremely good Abrasive samples metal free grinding Sintered corundum 99 7 Al2O3 3 9 Fairly good Medium hard fibrous samples Zirconium oxide 96 2 ZrO2 5 7 Very good Fibrous abrasive samples Stainless steel Bowl 17 19 Cr 8 10 Ni Balls 12 5...

Страница 30: ...per grinding bowl independent of the material quantity A higher number of balls will reduce the grinding time and the grinding result will have a smaller particle size distribution Ball diameter mm Grinding bowl volume ml 12 45 5 Number of balls pcs 50 180 200 10 Number of balls pcs 6 8 18 20 15 Number of balls pcs 7 These are reference figures The number of balls may need to be deter mined throug...

Страница 31: ...ample A 45 ml agate bowl is to be filled with 185 agate balls with a diameter of 5 mm Calculation 0 17 g 185 pcs 31 45 g 31 45 g of grinding balls can be weighed and inserted in the grinding bowl thus avoiding the time required for counting the balls 6 2 Filling quantities of grinding bowls NOTICE Never operate the mill without grinding stock This can cause damage to the grinding balls and grindin...

Страница 32: ...f fine material To reduce the running time you can use a grinding bowl and grinding balls with a higher density and thus a higher impact energy 6 4 2 Speed Higher speeds shorten the grinding time and increase the percentage of fine particles 6 4 3 Reverse mode n Useful for mechanical alloying n Improvement of the homogeneity of the sample during mixing A low to medium speed is recommended for mixi...

Страница 33: ...azard Ignition hazard The device is not explosion protected If flammable liq uids are used make sure that the heat developing in the grinding bowl does not reach the solvent s boiling point Program appropriate cooling phases If the vapour pressure is too high vapours may escape and ignite If it can be avoided we recommend using non flam mable liquids or liquids with a high boiling point The boilin...

Страница 34: ...st be clean 13 Spindle screw 14 Lock nut Clamping n Place the sealing ring and the lid onto the bowl n Place the grinding bowl in the grinding bowl holder on the cork disc do not force it n Turn the spindle screw 13 all the way down until the pressure piece of the rubber disc lies flush on the lid n Screw the spindle screw by hand until tight n Turn the lock nut 14 all the way down until it lies f...

Страница 35: ...ON The maximum permissible temperature of the grinding bowl outer casing is 100 110 C agate max 70 80 C The grinding duration is therefore based on the max imum bowl temperature The grinding duration at which the temperature is not exceeded depends on the material ball and speed For this reason the user should determine it through experimentation The temperature of the outer casing of the grinding...

Страница 36: ... higher density and thus a higher impact energy The mill can also run for several hours during low speed operations for mixing and homogenisation Operation with an external time switch is not possible 6 8 Setting the speed n Switch on the main switch 8 on the back of the device I n The green POWER SUPPLY ready status indicator lights up on the control panel ROTATIONAL SPEED control panel area Pres...

Страница 37: ...e unit in setup mode on page 37 the numbers at h indicate the minutes and at min the seconds The factory setting for the time unit is minutes and seconds Display 1 The remaining running times and the pause times are displayed during operation Operation with an external time switch is not pos sible Running times Ä Chapter 6 4 1 Running time grinding duration on page 32 Interrupt grinding by pressin...

Страница 38: ...nd end setup mode press the STOP button 6 10 Reverse mode Press the REVERSE button If the REVERSE button is illuminated reverse mode is activated After the selected running time expires the mill will change its direction of rotation For this REPETITIONS has to be at least 1 Reverse is selected when mixing dry samples or suspensions for example 6 11 Repetition of grinding pause cycles REPETITIONS c...

Страница 39: ...mains locked even during pause times and the fan cools the interior 6 12 1 Overload If the mill is overloaded the speed is reduced and the REDUCED SPEED light flashes The mill switches off if the overload continues for too long see Ä Chapter 9 1 Checklist for troubleshooting on page 45 6 12 2 Switching off n Press the STOP button on the control panel n Shortly after the mill comes to a standstill ...

Страница 40: ...ed locked hood and the fan running 6 14 Stand by If the mill is not in operation and the hood 3 is open it switches to the energy saving stand by mode after one hour The STAND BY lamp lights The stand by function is not possible when the hood is closed Using the device 40 ...

Страница 41: ...rt with force When cleaning any part of the device adhere to the guidelines of the Accident Prevention Regulation BGV A3 especially if the device has been set up in a dusty environment or if processing grinding stock that pro duces dust 7 1 Grinding elements n Clean the grinding bowl and grinding balls each time after using them Clean them e g under running water using a brush and a commer cially ...

Страница 42: ...7 2 Mill n After it has been switched off the micro mill can be wiped down with a damp cloth Cleaning 42 ...

Страница 43: ...aintenance interval Safety lock Hood lock Is the closed hood locked in place when the main switch is off If this test is failed do not continue to work until the fault has been rectified Before each use LID LOCK ACTIVATED light on the control panel Shows that the hood is closed When the hood is closed the LID LOCK ACTIVATED light should light up green Once a month Rotating bearings Permanent lubri...

Страница 44: ... the grinding bowl clamping device Clamping the grinding bowls Mobility oil if necessary Every 1 000 h Grinding bowl holder Cork disc rubber of the pressure piece and grinding bowl lid seal Signs of use replace if pressed flat and no longer elastic Every 1 000 h Maintenance 44 ...

Страница 45: ...UPPLY is not lit up See above if LID LOCK ACTIVATED is not lit up Close the hood firmly Pause time active Wait for end of pause or press STOP Fuse blown Set the fuse to 0 063 A T on the board or 10 A T in the frequency converter Mill reduces speed If OVERLOAD lights up Overload Press STOP reduce load or accept the reduced speed Mill stops running Switched off due to thermal over load of the drive ...

Страница 46: ...e removed Grinding stock escapes Clamping device loose Tighten clamping device Sealing ring defective Replace the sealing ring Soiling on sealing ring or dirt has penetrated it Clean or replace if necessary Runs unevenly with strong vibrations Inadequate mass balancing Correct the mass balancing Repairs 46 ...

Страница 47: ... Analytical devices have been registered under category 9 monitoring and control instruments It has been accepted that FRITSCH is operating only in the business to business area The German registration number for FRITSCH is WEEE reg no DE 60198769 FRITSCH WEEE coverage Since the registration of FRITSCH is classified for bilateral transactions no legal recycling or disposal process is described FRI...

Страница 48: ...receipt of the device and be received by us within three weeks or alternatively online registration must be car ried out with the above mentioned information The guarantee will not be granted in cases where n Damage has arisen due to normal wear and tear especially for wear parts such as Crushing jaws support walls grinding bowls grinding balls sieve plates brush strips grinding sets grinding disk...

Страница 49: ...nt to remedy all recognisable errors or faults including those not covered by the guarantee Errors or faults not covered by the guarantee shall in this case be rectified at cost We recommend reading the operating manual before contacting us or your dealer in order to avoid unnecessary inconvenience Ownership of defective parts is transferred to us with the delivery of the replacement part the defe...

Страница 50: ... is expressly prescribed by applicable laws or jurisprudence FRITSCH GMBH expressly reserves the right to modify and or update this operating manual without prior notice The same applies to modifica tions and improvements to the products described in this operating manual It is the responsibility of the user to ensure that they have the current version of this operating manual For more information...

Страница 51: ...sons including fatal injuries or similar The above exclusion of liability is limited by mandatory liability as prescribed by laws or jurisprudence Lia bility for negligence is excluded in all cases No permission is given expressly implicitly or otherwise for the use of patents brands or other copyrights We also assume no liability for copy right infringements or infringements of the rights of thir...

Страница 52: ...13 Safety logbook Date Maintenance Repair Name Signature Safety logbook 52 ...

Страница 53: ...n 32 35 Guarantee terms 48 H Hazardous points 16 I Imbalance detection 17 M Maintenance 43 Material 19 N Number of balls per bowl 30 O Opening the hood without mains connection 13 Operating noise 18 Operating principle 8 Overload 39 Overload protection 16 P Power consumption 18 Protection against restart 16 Protective equipment 13 R Repetition of grinding pause cycles 38 Requirements for the user ...

Страница 54: ...T Troubleshooting checklist 45 U Unpacking 20 V Voltage 18 W Warning information 9 WEEE 47 Weight 18 Wet grinding 33 Index 54 ...

Страница 55: ......

Страница 56: ... 2014 Fritsch GmbH Milling and Sizing Industriestraße 8 D 55743 Idar Oberstein Telephone 49 0 6784 70 0 Fax 49 0 6784 70 11 Email info fritsch de Internet www fritsch de ...

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