Operating instructions VARIO - PLANETARY MILL PULVERISETTE 4 Valid starting with: 04.
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.
Certifications and CE conformity Certifications and CE conformity Certification Fritsch GmbH has been certified by the TÜV-Zertifizierungsgemeinschaft e.V. An audit certified that Fritsch GmbH conforms to the requirements of the DIN EN ISO 9001:2008. CE Conformity The enclosed Conformity Declaration lists the guidelines the FRITSCH instrument conforms to, to be able to bear the CE mark.
Table of contents Table of contents 1 Basic structure............................................................................... 7 2 Safety information and use........................................................... 8 2.1 Requirements for the user..................................................... 8 2.2 Scope of application............................................................... 8 2.2.1 Operating principle............................................................. 9 2.
Table of contents 6.1.1 Size of the grinding balls................................................... 6.1.2 Number of balls per grinding bowl (independent of the material quantity)............................................................. 6.1.3 Calculated weight of a ball................................................ 6.2 Filling quantities of grinding bowls...................................... 6.3 Filling the grinding bowl....................................................... 6.
Table of contents 13 Guarantee terms.......................................................................... 52 14 Exclusion of liability..................................................................... 54 15 Safety logbook............................................................................. 56 16 Index.............................................................................................
Basic structure 1 1 2 3 4 Basic structure Hood handle Hood lock Hood Grinding bowl holder 5 6 7 8 -7- Emergency stop switch RS232 interface Control panel Main switch
Safety information and use 2 Safety information and use 2.1 Requirements for the user This operating manual is intended for persons assigned with operating and monitoring the Fritsch PULVERISETTE 4. The operating manual and especially its safety instructions are to be observed by all persons working on or with this device. In addition, the applicable rules and regulations for accident prevention at the installation site are to be observed.
Safety information and use With a particle feed size of < 10 mm, it is possible to achieve a final fineness of up to 0.1 µm. The useful capacity is between 2 x 5 ml for 12 ml grinding bowls and 2 x 225 ml when using 500 ml grinding bowls. 2.2.1 Operating principle The grinding bowls for planetary ball mills can be rotated and placed offcentre on a rotating support disc. The rotational speed of the support disc can be selected. The grinding bowl rotates at a fixed gear ratio.
Safety information and use By using the PULVERISETTE 4 the customer agrees with this and recognizes that defects, malfunctions or errors cannot be completely excluded. To prevent risk of damage to persons or property or of other direct or indirect damage, resulting from this or other causes, the customer must implement sufficient and comprehensive safety measures for working with the PULVERISETTE 4.
Safety information and use NOTICE! This symbol and keyword combination points out a possibly hazardous situation that can result in property damage if not avoided. ENVIRONMENT! This symbol and keyword combination points out a possibly hazardous situation that can result in environmental damage if not avoided.
Safety information and use WARNING! This symbol and keyword combination points out a directly hazardous situation due to hot surfaces. Ignoring information with this designation can result in serious burn injuries due to skin contact with hot surfaces. Safety information in the procedure instructions Safety information can refer to specific, individual procedure instructions.
Safety information and use Designation Explanation [Button] Operating elements (e.g. push button, switch), display elements (e.g. signal lamps) ‘Display’ Screen elements (e.g. buttons, function key assignment) 2.5 Device safety information Please observe! n Only use original accessories and original spare parts. Failure to observe this instruction can compromise the safety of the machine. n Accident-proof conduct is to be strictly followed during all work.
Safety information and use n Unauthorised alteration of the PULVERISETTE 4 will void Fritsch's declaration of conformity to European directives and void the guarantee. n Only use the PULVERISETTE 4 when it is in proper working order, as intended and in a safety- and hazard-conscious manner adhering to the operating manual. In particular, immediately rectify any malfunctions that could pose a safety hazard.
Safety information and use 2. Insert the provided triangular key into the manual release of the safety interlock (through the bore hole) and turn it to the right. 3. The hood releases after the twist lock on the front side of the hood is opened. 4. The mill cannot be turned on now. To turn it on, the safety lock has to be activated by turning the triangular key to the left and the hood and hood lock must be locked. 2.
Technical data 3 Technical data 3.1 Dimensions 130 x 70 x 70 cm (height x width x depth) 3.2 Weight 320 kg 3.3 Operating noise Emissions value of workplace according to DIN EN ISO 3746:2005 is 70 dB (A). The value fluctuates strongly, depending on the speed, the grinding stock and the type of grinding bowl and grinding balls. 3.4 Voltage 400 V, 3 ~ 230 V, 3 ~ with special transformer (order no. 04.1800.
Technical data CAUTION! Only trained personnel are authorized to open and check the electrical equipment. 3.8 Material n Maximum feeding size approx. 10 mm 3.
Installation 4 Installation 4.1 Transport The device is delivered on a transport pallet with a wooden cover. We recommend using a forklift or pallet truck for transporting the packed device. DANGER! Do not step under the transport pallet during transport. WARNING! Improper lifting can lead to personal injury or property damage. The machine is only to be lifted with suitable equipment and by qualified personnel. The guarantee excludes all claims for damage due to improper transport. 4.
Installation 4.3 Setting up DANGER! Do not step under the transport pallet during transport. CAUTION! Gewicht der Vario - Planetenmühle beträgt ca. 320 kg! NOTICE! Never operate the mill while it is standing on the transport pallet! NOTICE! Keep any obstructions away from the air outlet on the side ventilation grate. Risk of overheating! NOTICE! Place the mill on a flat, stable surface. Block the two front wheels by pressing on the pedals. n Lift the mill of the transport pallet using a crane.
Installation 3. Carefully lift the machine and place it into position. 4. After positioning it, remove the lifting lug. 5.
Installation 4.4 Ambient conditions WARNING! Mains voltage! – The device may only be operated indoors. – The surrounding air may not carry any electrically conductive dust. – Maximum relative humidity 80% for temperatures up to 31°C, linearly decreasing down to 50% relative humidity at 40°C. n The room temperature has to stay between 5 - 40°C. n Altitudes up to 2000 m n Degree of pollution 2 according to IEC 664. 4.
Installation NOTICE! Fritsch mills are speed controlled. The devices are equipped for this with frequency converters. In order to comply with the EMC directive, many measures must be taken to prevent operational transient emissions. The possible leakage currents resulting from filtering measures can trigger a conventional residual current circuit breaker in the mains line.
Initial start-up 5 Initial start-up Perform initial start-up only after all work as described in Ä Chapter 4 ‘Installation’ on page 18 has been carried out. 5.1 Switching on n Connect the device to the grid n Switch the device on at the main switch (I ON) 5.2 Function check n Open the hood. n Take out any grinding bowl clamping devices and wood - the grinding bowl holder must be completely empty - and close the hood. n Hold down the Program button until "1" appears on the LED display.
Using the device 6 Using the device DANGER! Before starting the machine, make sure that the grinding bowl has been tensioned correctly and that there are no loose parts inside the device. There is a risk of loose grinding bowls or parts being projected. Failure to observe this will render void the guarantee, and releases us from liability for any resulting damage to the device or personal injury. NOTICE! During grinding, the temperatures in the grinding bowl may get very high.
Using the device CAUTION! The grinding element is subject to normal wear when used. Before every grinding operation, check the wall thickness of the grinding bowls. In the event of severe wear, replace the grinding bowl. If this is not done, the prevailing high centrifugal forces during grinding may cause the grinding balls to penetrate the bowl's wall and damage the mill.
Using the device Normally choose a grinding bowl and grinding balls that are made of the same material. Exception: Tungsten carbide balls (<20 mm) may be temporarily (a few minutes) combined with grinding bowls made of tempered steel. 6.1.1 Size of the grinding balls Type of feed material Suitable ball diameter Hard samples with a maximum feed size of 10 mm 30 mm or 40 mm Average feed size of < 5 mm 20 mm Fine material < 0.
Using the device 6.1.2 Number of balls 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.
Using the device 6.1.
Using the device NOTICE! If the minimum filling quantity is fallen short of, increased wear due to abrasion is to be expected. This can cause irreparable damage to the mill components. Grinding bowl Grinding bowl max. sample volumes 500 ml 80 ml 225 ml 250 ml 30 ml 125 ml 80 ml 1 ml 30 ml 6.3 Filling the grinding bowl Do not fail to comply with the following sequence: 1. Place the grinding balls in the empty bowl. 2. Fill grinding stock onto the balls. 3.
Using the device 6.4.3 Reverse mode n Useful for mechanical alloying n Improvement of the homogeneity of the sample 6.4.4 Number and size of the balls Pre-grind course, hard material with large balls: reduced percentage of fine material! Many small balls increase the percentage of fine material during extended running time. 6.4.5 Weight of the balls (type of material) A higher mass (specific weight) of the grinding balls accelerates grinding. (see table in Ä Chapter 6.
Using the device 6.4.7 Wet grinding (grinding in a suspension) DANGER! Explosion hazard! Ignition hazard! The device is not explosion-protected. If flammable liquids 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-flammable liquids or liquids with a high boiling point.
Using the device 6.5.1 Clamping the 500 ml, 250 ml and 80 ml grinding bowls CAUTION! When using the 80 ml grinding bowl: – – Use the reduction adapter (Art. No. 90.1120.09) or clamp two 80 ml grinding bowls on top of one another. 1. Place the grinding bowl into the holder. 2. Then place the clamping plate (a) onto the bowl lid. 3. Insert the provided hexagon screws with blue shaft (b) into the corresponding bore holes.
Using the device 4. Turn the three hexagon screws evenly by hand until all screw heads lie on the clamping plate. 5. Then tighten all three hexagon screws evenly using the face pin spanner and the ring spanner. NOTICE! – Do not turn the heads off the screws! – If the clamping plate is not sufficiently tightened, the sample material can be forced out of the grinding bowl, or the grinding bowl can slip out of the clamping device and damage the machine.
Using the device 3. Insert the provided hexagon socket screws (d) into the corresponding bore holes. 4. Turn the three hexagon socket screws evenly by hand until all screw heads lie on the clamping plate. 5. Then tighten the three hexagon socket screws evenly using the hex key.
Using the device 6.7 Grinding duration WARNING! Burn hazard! Grinding bowls can get very hot after long grinding durations. Wear protective gloves for removal after grinding or during the grinding breaks. Depending on the application, the grinding duration should be adapted to the development of heat in the bowls. The temperature inside the bowls is 20 - 30 °C warmer than the outer casing temperature. CAUTION! The maximum temperature of the grinding bowl outer casing is 100 - 110 °C (agate, max.
Using the device To reduce the grinding time, you can use a grinding bowl and grinding balls with a 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 Settings on the control panel n Switch on the main switch (8) on the right-hand side of the machine. n The LED display lights up. 6.8.
Using the device See Ä Chapter 10 ‘Repairs’ on page 47 6.9 Conducting a grinding operation n After the conditions specified in Ä Chapter 6 ‘Using the device’ on page 24 have all been observed, close the hood. n Press the START button on the control panel. n The hood is locked and the mill starts up. n The mill turns at the set speed (nominal speed). If the load is too great, for example due to heavy grinding bowls, the speed is reduced (actual speed) so that the machine is not overloaded.
Using the device As soon as the START button in the program has been pro‐ cessed, the residual time is lost. 6.9.3 Switching off n Press STOP on the control panel. n When the drive comes to a standstill, the hood is unlocked and can be opened. n Switch off the main switch (8) on the right-hand side of the machine. 6.10 Cooling the grinding bowl n When the hood is open or n In the programmed pause times with closed (locked) hood and the fan running.
Accessories 7 Accessories 7.1 Additional clamping system for grinding harmful substances or in a gas atmosphere. The additional clamping system is used to transport a grinding bowl filled with inert gas or harmful substances from a glove box to the planetary mill and back again. This ensures that no harmful substances can be inhaled. There are two ways of gassing the grinding bowls: 7.1.1 1.
Accessories 2. Position the pressure plate (b) with rubber disc on the bowl as shown in the picture. 3. When using grinding bowls with a volume of 80 ml, the adapter (90.1120.09) (c) must be used in addition. NOTICE! Under no circumstances may 2 x 80 ml bowls be clamped on top of one another. This can lead to damage to the bowl and its component seals. 4. Then secure the pressure plate on both sides with the hexagon socket screws shown in the picture using a hex key. 5.
Accessories 6. This is done as described in Ä Chapter 6.5.1 ‘Clamping the 500 ml, 250 ml and 80 ml grinding bowls’ on page 32. However, the hexagon screws with the red shaft must be used. NOTICE! After tensioning the pressure plate, the hexagon socket screws of the additional clamping system must be checked for tightness and tightened again if necessary. 7.1.2 Grinding in inert gas with gassing lid We carry out a worker water bath test on all gassing lids.
Accessories Using the additional clamping system, the following steps can also be completed in the glove box with subsequent locking into the VarioPlanetary Mill: n Connect the gassing hose (a) to the inert gas supply using the provided hose clamp (b). n Screw the ventilation attachment (e) onto one of the two valves (d). n Place the coupling (c) of the gassing hose on the free valve. When doing so, press the lever of the coupling and push the coupling along the neck of the valve until it goes no further.
Accessories 7.1.2.3 Ventilate after grinding CAUTION! Always let the bowl cool down before ventilation. Hot gases and sample material may escape from the bowl during pressure equalisation, leading to serious burns. ® Use protective gloves when ventilating! n When the bowl has cooled down, remove the additional clamping system with bowl from the device. n Screw the ventilation attachment onto the valve. Each valve can be used for aerating or ventilating.
Accessories Material Order number Hardmetal tungsten carbide 250 ml 50.8600.00 Tempered chrome steel 80 ml 50.8700.00 Tempered chrome steel 250 ml 50.8500.00 Tempered chrome steel 500 ml 50.8400.00 Stainless steel 80 ml 50.8800.00 Stainless steel 250 ml 50.8300.00 Stainless steel 500 ml 50.8200.00 Agate 250 ml 50.8100.00 Agate 500 ml 50.8000.00 NOTICE! The soft black sealing rings made of "Viton" can endure temperatures of approx. 200 °C.
Cleaning 8 Cleaning DANGER! Mains voltage! – Before beginning with cleaning work, disconnect the mains plug and protect the device against being unintentionally switched back on! – Do not allow any liquids to flow into the device. – Indicate cleaning work with warning signs. – Put safety equipment back into operation after cleaning work.
Maintenance 9 Maintenance DANGER! Mains voltage – Before beginning with maintenance work, unplug the mains plug and protect the device against being unintentionally switched back on again! – Indicate maintenance work with warning signs. – Maintenance work may only be performed by specialised personnel. – Put safety equipment back into operation after maintenance or repair work We recommend keeping a safety logbook Ä Chapter 15 ‘Safety logbook’ on page 56, where all work (maintenance, repairs......
Repairs 10 Repairs DANGER! Mains voltage! – Before beginning with repair work, unplug the mains plug and protect the device against being unintentionally switched back on. – Indicate repair work with warning signs. – Repair work may only be performed by specialised personnel. – Put safety equipment back into operation after maintenance work.
Repairs Fault description Cause Remedy Error code 7 No feedback of rotational speed from planetary drive See Ä Chapter 2.8 ‘Electrical safety’ on page 15 Error code 8 No feedback of rotational speed from main drive See Ä Chapter 2.
Examples of comminution tasks 11 Examples of comminution tasks Material Feeding amount Material of grinding bowl and balls Grinding balls, St.
Examples of comminution tasks Raw phosphate 40 g Cr steel 15 x 20 mm 100% 3 mm 250 ml 2 min < 250 µm Manganese dioxide MnO2 (wet grinding in water) 50 g / 40 ml water WC + Co 15 x 20 mm 100% 0.1 mm 250 ml 60 min < 20 µm 180 g Al2O3 10 x 30 mm 100% 8 mm 500 ml 30 min < 250 µm Sludge (dry) Active carbon (wet grinding in water) 150 ml Cr-Ni steel 15 x 20 mm 100% 0.
Disposal 12 Disposal It is hereby confirmed that FRITSCH has implemented the directive 2002/95/EC of the European Parliament and Council from 27th January 2003 for the limitation of the use of certain dangerous substances in electrical and electronic devices.
Guarantee terms 13 Guarantee terms Guarantee period As manufacturer, FRITSCH GmbH provides – above and beyond any guarantee claims against the seller – a guaranty valid for the duration of two years from the date of issue of the guarantee certificate supplied with the device. Within this guarantee period, we shall remedy all deficiencies due to material or manufacturing defects free of charge. Rectification may take the form of either repair or replacement of the device, at our sole discretion.
Guarantee terms Costs not covered by the guarantee This guarantee excludes any costs for transport, packaging or travel that accrue in the event the product must be sent to us or in the event that one of our specialist technicians is required to come to your site. Any servicing done by persons not authorised by us and any use of parts that are not original FRITSCH accessories and spare parts will void the guarantee.
Exclusion of liability 14 Exclusion of liability Before using the product, be sure to have read and understood this operating manual. The use of the product requires technical knowledge; only commercial use is permitted. The product may be used exclusively within the scope of applications set down in this operating manual and within the framework of guidelines put forth in this operating manual and must be subject to regular maintenance.
Exclusion of liability Fritsch GmbH excludes any liability, warranty, or other obligation to compensate for damages, regardless of whether this liability, warranty, or other obligation is explicit or implicit, contractual or arising from unlawful acts or prescribed contractually, by law, or otherwise.
Safety logbook 15 Date Safety logbook Maintenance / Repair Name - 56 - Signature
Safety logbook Date Maintenance / Repair Name - 57 - Signature
Index 16 Index A N Accident prevention . . . . . . . . . . . . . . . . . . . . . . . . 8 Additional clamping system . . . . . . . . . . . . . . . . . . 39 Ambient conditions . . . . . . . . . . . . . . . . . . . . . . . 21 Authorised persons . . . . . . . . . . . . . . . . . . . . . . . . 8 Number of balls per bowl . . . . . . . . . . . . . . . . . . . 27 O Operating noise . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Overload . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
© 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.
