Optimum OPTi mill MH 25SV Operating Manual

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Operating Manual

Version 1.0.9

Milling machine

Item no. 3338160

Item no. 3338161

MH 25SV

MH 25SPV

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Summary of Contents for Optimum OPTi mill MH 25SV

Page 1 Operating Manual Version 1.0.9 Milling machine Item no. 3338160 Item no. 3338161 MH 25SV MH 25SPV...
Page 2 Table of contents Safety Rating plate...............................5 1.1.1 Machine variants ...........................5 Safety instructions (warning notes)......................6 1.2.1 Classification of hazards .......................6 1.2.2 Other pictograms ...........................6 Intended use .............................7 Reasonably foreseeable misuse.......................8 1.4.1 Avoiding misuse ..........................8 Possible dangers caused by the milling machine ...................10 Qualification of personnel ........................10 1.6.1 Target group..........................10 1.6.2 Authorized personnel ........................11...
Page 3 Resetting an emergency stop situation ....................30 Power failure, Restoring readiness for operation ................... 30 Speed setting ............................30 Feed speed ............................30 4.8.1 Resetting the automatic feed ...................... 30 4.8.2 Automatic feed of an axis......................31 4.8.3 Rapid feed........................... 31 Insert tool..............................
Page 4 Dear customer, Thank you very much for purchasing a product made by OPTIMUM. OPTIMUM metal working machines offer a maximum of quality, technically optimum solutions and convince by an outstanding price performance ratio. Continuous enhancements and product innovations guarantee state-of-the-art products and safety at any time.
Page 5 Safety Glossary of symbols provides further instructions   calls on you to act enumerations  This part of the operating instructions explains the meaning and use of the warning notes included in these operating instructions,  defines the intended use of the milling machine, ...
Page 6 INFORMATION If you are unable to rectify an issue using these operating instructions, please contact us for advice: Optimum Maschinen Germany GmbH Dr. Robert-Pfleger-Str. 26 D-96103 Hallstadt Email: info@optimum-maschinen.de Safety instructions (warning notes) 1.2.1 Classification of hazards We classify the safety warnings into different categories. The table below gives an overview of the classification of symbols (pictograms) and the signal words for each specific danger and its (possible) consequences.
Page 7 The milling machine must only be installed and operated in a dry and well-ventilated place. If the milling machine is used in any way other than described above, modified without the approval of the company Optimum Maschinen Germany GmbH, the milling machine is being used improperly.
Page 8 WARNING! Severe injuries due to non-intended use. It is forbidden to make any modifications or alternations to the operation values of the milling machine. They could endanger the personnel and cause damage to the milling machine. Reasonably foreseeable misuse Any other use other than that specified under "Intended use" or any use beyond the described use shall be deemed as non-intended use and is not permissible.
Page 9 the suitable speed is set depending on the diameter of the drill,  the pressure must only be such that the drill can cut without load,  if there is too much pressure, the drill will wear quickly and may even break or jam in the ...
Page 10 Possible dangers caused by the milling machine The milling machine was built using the latest technological advances. Nonetheless, there remains a residual risk because the milling machine operates at high speeds,  with rotating parts and tools,  electrical voltage and currents. ...
Page 11 system and recognise and avoid any possible dangers. Qualified electricians have been spe- cially trained for the working environment, in which they are working and know the relevant standards and regulations. Qualified personnel Due to their professional training, knowledge and experience as well as knowledge of relevant regulations, qualified personnel are able to perform the assigned tasks and to independently recognise and avoid any possible dangers.
Page 12 1.6.5 Additional requirements regarding the qualification The following additional requirements apply for work on electrical components or equipment: They may only be performed by a qualified electrician or person working under the  instructions and supervision of a qualified electrician. Before beginning work on electrical parts or equipment, the following measures must be taken in the order listed below: ...
Page 13 expelled, but not to remove them completely. Always work carefully and observe the limits of your machining process. 1.9.1 Emergency stop mushroom button CAUTION! The spindle continues to rotate for a while depending on the mass moment of inertia of the spindle and the tool.
Page 14 1.9.4 Separation guard Adjust the guard to the correct height before you start working. To do so, detach the clamping screw, adjust the required height and re-tighten the clamping screw. A switch is integrated into the fixture of the spindle protection which monitors that the cover is closed.
Page 15 1.11 Personal protective equipment For certain work personal protective equipment is required. Protect your face and your eyes: Wear a safety helmet with facial protection when performing work where your face and eyes are exposed to hazards. Wear protective gloves when handling pieces with sharp edges. Wear safety shoes when you assemble, disassemble or transport heavy components.
Page 16 Observe the accident prevention regulations issued by your Employers Liability Insurance Association or other supervisory authorities responsible for your company. Fasten the loads properly. Never walk under suspended loads! 1.15 Icons on the milling machine Make sure that the command and warning symbols are legible. 1.16 Electrical system Have the electrical equipment on the machine checked regularly.
Page 17 Technical data The following information represents the dimensions and indications of weight and the manufacturer‘s approved machine data. MH 25SV MH 25SPV Electrical connection Total connected load 230V / 50Hz / 2 KW Milling spindle motor power 1.5 KW ; 10 Nm Milling capacity Ø...
Page 18 MH 25SV MH 25SPV Drill-mill head Travel of Z axis [mm] Throat [mm] max. torque drive Z-axis 4.2 Nm maximum movement speed Z-axis [ m/min ] 0.45 minimum movement speed Z-axis [ m/min ] 0.08 Scale on the Z-axis hand crank 4mm/rev - graduation 0.02mm Quill stroke [mm] Milling head rotation range...
Page 19 MH 25SV MH 25SPV Keep a work area of at least one metre around the machine free for operation and maintenance. Speeds Rotation speed electronically adjustable [ min 200 - 4000 Environmental conditions Temperature 5-35 °C Humidity 25 - 80% 2.10 Operating material Bare steel parts...
Page 20 Delivery, interdepartmental transport, assembly and commissioning Notes on transport, installation, commissioning Improper transport, installation and commissioning is liable to accidents and can cause damage or malfunctions to the machine for which we do not assume any liability or guarantee. Transport the scope of delivery secured against shifting or tilting with a sufficiently dimensioned industrial truck or a crane to the installation site.
Page 21 Scope of delivery INFORMATION The milling machine is pre-assembled. Check immediately upon delivery of the milling machine if there are any transport damages or loosened fastening screws. Compare the scope of delivery with the attached packing list. Installation and assembly 3.3.1 Requirements regarding the installation site The working area for operating, maintenance and repair must not be hindered.
Page 22 Dimensions Centre of gravity MH25SV | MH25SPV Translation of original operating manual Version 1.0.9 - 2024-08-12...
Page 23 OPTIMUM. Only use tool holders in the intended admissible speed range. Tool holders may only be modified in compliance with the recommendation of OPTIMUM or of the manufacturer of the clamping devices. ...
Page 24 Electrical connection The machine is installed and ready to operate. Please verify if the type of current, voltage and protection fuse correspond to the values specified. A protective earth ground wire connection must be available. Main Fuse 16A. Due to the design, the leakage current is greater than 3,5 mA.
Page 25 3.7.1 Regulated drives in connection with residual current devices Speed-controlled drives are one of the standard equipment in machine and plant construction and perform various tasks. Compared to a simple motor, the electronic rectifiers or converters require some special features for the necessary safety measures for electrical safety. Depend- ing on the application, the use of a fault current protection device, differential current monitor- ing or insulation monitoring can make more sense.
Page 26 To avoid an operating fault, you need an AC/DC-sensitive ELCB. Be absolutely sure which leakage current security is necessary for dangerous body currents, as regulated in DIN VDE 0100 part 410, at your mains connection. 3.7.4 When the ELCB triggers Pulse current - sensitive ELCB type A...
Page 27 Power grid fluctuations and their destructive effect A prerequisite for grid stability is that the frequency and voltage are within the specified limits at every location in the power grid and at all times. Excessive deviations in voltage can only be remedied locally, i.e.
Page 28 Operation Safety Place the milling machine in operation only under the following conditions: The milling machine is in proper working order.  The milling machine is used as intended.  The operating manual is followed.  All safety devices are installed and activated. ...
Page 29 4.2.1 Control panel Pos. Designation Pos. Designation Direction switch Control feed speed Rapid feed buttons Emergency stop mushroom button Spindle rotation ON Reset key Spindle speed setting Spindle rotation OFF Control ON Spindle direction selection Switching on the milling machine ...
Page 30 Resetting an emergency stop situation  Unlock the emergency stop mushroom button again.  Move the axis direction switches to the neutral middle position.  Switch the control on again.  Switch on the spindle rotation again. Power failure, Restoring readiness for operation ...
Page 31 4.8.2 Automatic feed of an axis INFORMATION The automatic feed can only be switched on when the spindle is rotating. The speed signal must work for this. The digital position indicator must be connected for this.  Set the direction switch to the desired direction. ...
Page 32 4.9.3 Removal on MH 25SPV  Open the spindle guard (1), the way to open the collet is cleared.  Hold the tool.  If not already loosened, loosen the quill clamp (2) first.  Push the quill lever (3) upwards to open the collet.
Page 33 4.10 Use of collets When using collets for the reception of milling tools, a higher operation tolerance can be achieved. The exchange of the collet for a smaller or larger end mill cutter is performed simply and rapidly and it is not necessary to remove the complete tool. The collet is pressed into the ring of the swivel nut and must rest there by itself.
Page 34 The optimum cutting speed largely depends on the material of the workpiece and the material the tool is made of. With tools (milling cutters) made of hard metal or ceramic insert it is possible to work with higher speeds than with tools made of high-alloy high speed steel (HSS).
Page 35 91 - 227 91 - 200 1365 - 3185 80 - 199 80 - 175 1195 - 2790 71 - 177 71 - 156 1062 - 2470 64 - 159 64 - 140 955 - 2230 58 - 145 58 - 127 870 - 2027 53 - 133 53 - 117...
Page 36 The workpieces need to be tensed inflexibly and stably (vice, screw clamp).  INFORMATION Friction during the cutting process causes high temperatures at the cutting edge of the tool. The tool should be cooled during the milling process. Cooling the tool with a suitable cooling lubricant ensures better working results and a longer edge life of the cutting tool.
Page 37 Operation DRO5 Display: three position display, one speed display  Counting resolution setting function  Counting direction setting  Linear error compensation  Metric / inches change-over  LCD display status setting  Speed mode setting  Basic value setting ...
Page 38 5.3.1 The main menu In the normal display state, press and hold the "PROG" key for three seconds to enter the main menu. LCD display setting LCD display setting: the secondary menu, press "PROG" key to enter to modify the LED display parameter.
Page 39 5.3.3 Parameter setting of X Y Z-axis and speed axis X-axis parameter Three-level menu, press "PROG" key to enter to modify the X-axis parameter. Y-axis parameter Three-level menu, press "PROG" key to enter to modify the Y-axis parameter. Z-axis parameter Three-level menu, press "PROG"...
Page 40 5.3.5 Parameter setting of speed axis INFORMATION Too close or too far away, dirt or grease on the permanent magnets used can cause reading problems of the sensor. Teeth amount of every turn (pulses per rev) Press "PROG" key to enter, selection range is 1~36, the increment or decrement is 1. Display mode Press the "PROG"...
Page 41 Maintenance In this chapter you will find important information about Inspection  Maintenance  Repair  of the milling machine. ATTENTION! Properly performed regular maintenance is an essential prerequisite for operational safety,  failure-free operation,  long service life of the milling machine and ...
Page 42 Interval Where? What? How?   Safety check on page 14 Start of work, after every main- tenance or repair work  Oil all guides. Start of work, after every main- Oiling tenance or repair work  Oil all bare steel surfaces. Use acid-free oil. Weekly Oiling ...
Page 43 Interval Where? What? How? The limit switches must be cleaned regularly to ensure further trouble-free operation. Contactless position switches In case of soiling Cleaning Img.6-1: Milling head Contactless position switches Img.6-2: Milling table Increased play in the milling head spindle can be reduced by adjusting the spindle nut.
Page 44 Interval Where? What? How?  Turn the take-up screws of the gib clockwise. The gib is pushed further inward thus reducing the play in the guide- way.  Check the settings. The corresponding guideway must be more easily moveable but ensure a stable guiding. Adjustment As required Z axis...
Page 45 Interval Where? What? How?  Turn the take-up screws of the gib clockwise. The gib is pushed further inward thus reducing the play in the guide- way.  Check the settings. The corresponding guideway must be more easily moveable but ensure a stable guiding. Adjustment As required Y axis...
Page 46 If the repairs are carried out by qualified technical personnel, they must follow the indications given in these operating instructions. Optimum Maschinen Germany GmbH accepts no liability nor does it guarantee against damage and operating malfunctions resulting from failure to observe these operating instructions.
Page 47 Ersatzteile - Spare parts Ersatzteilbestellung - Ordering spare parts Bitte geben Sie folgendes an - Please indicate the following : Seriennummer - Serial No.  Maschinenbezeichnung - Machines name  Herstellungsdatum - Date of manufacture  Artikelnummer - Article no. ...
Page 48 Ersatzteilzeichnungen - Spare part drawings Fräskopf MH 25SV - Milling head MH 25SV Img.7-1: Fräskopf ohne Pinolenhub - Milling head without quill stroke DE | EN MH25SV | MH25SPV Originalbetriebsanleitung Version 1.0.9 - 2024-08-12...
Page 49 Fräskopf MH 25SPV - Milling head MH 25SPV Img.7-2: Fräskopf mit Pinolenhub - Milling head with quill stroke MH25SV | MH25SPV DE | EN Version 1.0.9 - 2024-08-12 Originalbetriebsanleitung...
Page 50 MH25SV | MH 25SPV - Fräskopf - Milling head Menge Grösse Artikelnummer Pos. Bezeichnung Description Qty. Size Item no. Bohrspindel Drill spindle 03338160101 Sicherungsring Retaining ring 042SR19W Passfeder Fitting key DIN 6885 - A 6 x 6 x 18 042P6618 für Flachriemen Riemenscheibe Pulley...
Page 51 MH25SV | MH 25SPV - Fräskopf - Milling head Menge Grösse Artikelnummer Pos. Bezeichnung Description Qty. Size Item no. Locking lever on aluminium Sperrhebel an Aluminiumprofil 03338155177 profile Gehäuse Housing MH 25SPV 03338155178 Federdeckel Spring cover 03338155179 Spindle with spindle sleeve Spindel mit Pinole komplett MH 25SPV 03338155180CPL...
Page 52 Säule - Column 1-2 DE | EN MH25SV | MH25SPV Originalbetriebsanleitung Version 1.0.9 - 2024-08-12...
Page 53 Säule - Column 2-2 MH25SV | MH 25SPV - Teileliste Säule - Parts list column Menge Grösse Artikelnummer Pos. Bezeichnung Description Qty. Size Item no. Pos. 46 left side (B1) 03338160201 Führung Guide Pos. 46 right side (B2) 03338160201R Schmiernippel Lubrication cup 03338160202 Spindelmutter...
Page 54 MH25SV | MH 25SPV - Teileliste Säule - Parts list column Menge Grösse Artikelnummer Pos. Bezeichnung Description Qty. Size Item no. Kugellager Ball bearing 7201 BEP 0407201 Innensechskantschraube Socket head screw ISO 4762 - M6 x 25 Kegelrad Bevel gear 03338160209 Passfeder Fitting key...
Page 55 Frästisch - Milling table 1-2 Img.7-3: Frästisch - Milling table 1-2 MH25SV | MH25SPV DE | EN Version 1.0.9 - 2024-08-12 Originalbetriebsanleitung...
Page 56 Frästisch - Milling table 2-2 Img.7-4: Frästisch - Milling table 2-2 DE | EN MH25SV | MH25SPV Originalbetriebsanleitung Version 1.0.9 - 2024-08-12...
Page 57 MH25SV | MH 25SPV - Teileliste Frästisch - Parts list milling table Menge Grösse Artikelnummer Pos. Bezeichnung Description Qty. Size Item no. Führung Guide 301303 03338160301 Tischführung Table guide 03338160302 Lagerbock Bearing block 03338160303 Skalenring Scale ring 03338160304 Lagerbock Bearing block 03338160305 Schrittmotor Step motor...
Page 58 MH25SV | MH 25SPV - Teileliste Frästisch - Parts list milling table Menge Grösse Artikelnummer Pos. Bezeichnung Description Qty. Size Item no. Klemmhebel Clamping lever 03338160381 Fräsfutterschutz - Milling chuck cover MH25SV | MH 25SPV - Teileliste Fräsfutterschutz - Parts list milling chuck cover Menge Grösse Artikelnummer...
Page 59 Bedienpanel - Operating panel Img.7-5: MH25SV | MH 25SPV - Teileliste Bedienpanel - Parts list operating panel Menge Grösse Artikelnummer Pos. Bezeichnung Description Qty. Size Item no. Halterung Support 03338160501 Bedienpanel komplett Operating panel complete 03338160502 Not-Halt Pilzkopfschalter Emergency stop button 03338160504 Potentiometer Potentiometer...
Page 60 Maschinenschilder - Machine labels Img.7-6: Maschinenschilder - Machine labels MH25SV | MH 25SPV - Ersatzteilliste Maschinenschilder - Spare part list machine labels Menge Grösse Artikelnummer Pos. Bezeichnung Description Qty. Size Item no. Frontschild Front lable MH25SV 03338160L01 Frontschild Front lable MH 25SPV 03338161L01 Maschinenlabel...
Page 61 Schaltplan, zusammen gefasste Platinen - Wiring diagram,merged boards Img.7-7: Schaltplan - Wiring diagram MH25SV | MH25SPV DE | EN Version 1.0.9 - 2024-08-12 Originalbetriebsanleitung...
Page 62 Img.7-8: Schaltplan - Wiring diagram DE | EN MH25SV | MH25SPV Originalbetriebsanleitung Version 1.0.9 - 2024-08-12...
Page 63 MH25SV | MH25SPV - Teileliste elektrische Bauteile, zusammen gefasste Platinen - Electrical parts list, merged boards Menge Grösse Artikelnummer Pos. Bezeichnung Description Qty. Size Item no. Hauptschalter Main switch 033381601S0 Netzdrossel Line reactor 033381601L0 Netzfilter Line filter 033381601Z0 Sicherung Fuse 033381601F7 Frequenzumrichter Frequency converter...
Page 64 Bauteile zusammengefasste Platinen - Components of combined circuit boards DE | EN MH25SV | MH25SPV Originalbetriebsanleitung Version 1.0.9 - 2024-08-12...
Page 65 Bauteile Magnetsensor - Magnetic sensor components Magnetsensor - Magnetic sensor Grösse Katalog - Artikelnummer Pos. Bezeichnung Description Size Catalogue - Item number 1100mm Katalogware 3383978 1100mm catalogue item Magnetic strip, Magnetband, 2mm Magnetband pro Meter, Magnetpolabstand Katalogware 2mm magnetic pole distance 3383980 0,003 mm Zählwertauflösung mit Magnetic tape per metre,...
Page 66 Malfunctions Malfunctions on the milling machine Cause/ Malfunction Solution possible effects  The milling machine does not • Power-on sequence not observed. • Resetting an emergency stop start situation on page 30.  • Power failure, Restoring readiness for operation on page ...
Page 67 Appendix Copyright This document is protected by copyright. All derived rights are reserved, especially those of translation, re-printing, use of figures, broadcast, reproduction by photo-mechanical or similar means and recording in data processing systems, either partial or total. Subject to technical changes without notice. Terminology/Glossary Term Explanation...
Page 68 The processing of the liability claims or of the warranty is performed as chosen by OPTIMUM GmbH either directly or through one of its dealers.
Page 69 Example:not stackable - do not stack further packing case on top of the first one. Consult Optimum Maschinen Germany GmbH if the machine and accessories are stored for more than three months or are stored under different environmental conditions than those specified here .
Page 70 9.7.1 Decommissioning CAUTION! Used machines need to be decommissioned in a professional manner in order to avoid later misuse and endangerment of the environment or persons. Disassemble the machine if required into easy-to-handle and reusable assemblies  and component parts. Dispose of machine components and operating fluids using the intended disposal ...
Page 71 Modified settings  Any experiences with the lathe which might be important for other users  Recurring failures  Optimum Maschinen Germany GmbH Dr.-Robert-Pfleger-Str. 26 D-96103 Hallstadt Fax +49 (0) 951 - 96 555 - 888 Email: info@optimum-maschinen.de MH25SV | MH25SPV Version 1.0.9 - 2024-08-12...
Page 72 EC Declaration of Conformity according to Machinery Regulation 2023/1230 Annex V Part A The manufacturer / distributor Optimum Maschinen Germany GmbH Dr.-Robert-Pfleger-Str. 26 D - 96103 Hallstadt, Germany hereby declares that the following product Product designation: Hand-controlled milling machine Type designation:...
Page 73 Index Scope of delivery ..........21 Service Hotline ............. 47 Assembly ..............21 Spare parts Hotline ..........47 Automatic feed ............31 Specialist dealer ........... 46 Speeds ..............19 Cleaning and lubrication ........23 Spindle seat ............17 Cooling lubricants ..........46 Start-up ..............23 Copyright ...............67 Storage and packaging .........
Page 74 MH25SV | MH25SPV Translation of original operating manual Version 1.0.9 - 2024-08-12...

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