Used Cnc Internal Grinding Machine for sale (69,218)

Condition: excellent (used), A well-maintained internal cylindrical grinding machine, manufactured by JUNG, type 221, with a surface grinding attachment. The largest bore that can be ground economically is 150 mm. Grinding length without surface grinding: 250 mm. Bodpsy Svz Usfx Aqrslh Grinding length with surface grinding, depending on the chuck length: ≤ 250 mm. Largest swing diameter inside the guard: 350 mm. Height of the spindle center above the table: 245 mm. Workpiece spindle bore: 44 mm. Workpiece spindle hollow taper: metric 50. Workpiece spindle speeds: 58 - 85 - 120 - 170 - 246 - 348 rpm. Table speed in rapid traverse (infinitely adjustable): 10 m/min. Table speed during grinding (infinitely adjustable): 0 - 8 m/min. Power requirement: 11 kW. Power requirement for the machine with surface grinding attachment: 12.5 kW. Net weight: approx. 3500 kg.

Year of construction: 2003, condition: excellent (used), Schneeberger DMR Gemini CNC tool grinding machine TECHNICAL DATA Control: GE Fanuc 160, 5 axes simultaneous Software: Schneeberger Quinto Measuring system X,Y and Z axis: 0.1 μm A-axis: 0.0001° C axis: 0.0001° Grinding head Power: 15 kW speed: 50 - 10`000 rpm spindle nose: HSK 50 Max. wheel diameter: 250 mm Max. Number of grinding wheels: 6 Linear axes X-axis, travel: 380 mm feed speed: 20`000 mm/min resolution: 0,0001 mm gear ratio: 1 : 1 Power: 1,0 kW / 3 Nm Y-axis, travel: 300 mm feed speed: 5`000 mm/min resolution: 0,0001 mm Gear ratio: 24 :4 Power: 1,6 kW / 8 Nm Z-axis, travel: 280 mm feed speed: 20`000 mm/min resolution: 0,0001 mm gear ratio: 1 : 1 Power: 1,0 kW / 3 Nm Bledpfemqni Asx Aqroh Rotary axes C-axis: 210 ° Speed: 72 ° / s Resolution: 0,0001 ° Power: 1.6 kW / 8 Nm C` axis: +- 180 ° Speed: 90 ° / s Resolution: 0,0001 ° Infeed: Hydraulic A axis: +- 360 ° Speed: 225 ° / s resolution: 0,0001° Power: 1,0 kW Nose: ISO 50 Center height: 210 mm Dimensions and weight Length: 1700 mm Depth: 2270 mm Height: 2260 mm Weight: 8`000 kg We do not guarantee the accuracy, completeness and timeliness of the information.

Condition: good (used), Year of construction: 2014, spindle turning speed range 170 - 18000 U/min weight of the machine ca. 7,5 t dimensions of the machine ca. 5,00 x 4,00 x 2,20 m --> Control conversion (2014) to Siemens Sinumerik 840D Solutionline --> Overhaul of the new control system in 2016 --> Technical data Grinding diameter: 20 - 300 mm --> Oscillation diameter: 350 (500) mm --> Workpiece length: 300 (1300) mm --> Recommended grinding depth up to: 300 mm --> Grinding table stroke Z-axis (total): 650 (950) mm --> Resolution: 0.001 mm Bodow Intaopfx Aqrslh --> Rapid traverse: 12 m/min-1 --> Grinding stroke speed: 0 - 9.99 m/min-1 --> Feed rate: 0 - 99.99 m/min-1 --> Step feed value during reversal: 0 - 0.999 mm --> Grinding table stroke X-axis (total): 150 mm --> Resolution: 0.001 mm / Ø --> Rapid traverse: 5 m/min-1/R --> Grinding stroke speed: 0 - 5 m/min-1/R --> Feed rate: 0 - 99.99 m/min-1/R --> Step feed value during reversal: 0 - 0.999 mm / Ø --> Swivel capability of the workpiece headstock: --> B-axis: -32° (-23°) / +2° --> Resolution: 0.0001° (0.36") --> U-axis stroke (total): 300 mm --> Resolution: 0.001 mm / Ø --> Travel speed: 5 m/min-1 --> Centre height above workpiece table: 200 (300) mm --> Centre height above grinding table: 330 (430) mm --> Workpiece spindle passage: 50 (70) mm --> new in 1988

Condition: excellent (used), Year of construction: 1974, functionality: fully functional, Manufacturer: WMW GLAUCHAU Type: SIP 400x500 Year of manufacture: 1974 Total power requirement: 12 kW Control: conventional Machine weight: 5,900 kg Bsdpfsy Rh D Sjx Aqrolh Dimensions (L x W x H): 4000 x 1780 x 2400 mm Swing diameter: yes Internal diameter: 800 mm Grinding depth: up to approx. 500 mm Table stroke: 800 mm Distance from workpiece spindle head Grinding diameter in workpiece guard Adjustment of internal grinding attachment Delivery time: short notice Price: on request Type of machine: Internal and face grinding machine 1 unit internal cylindrical grinding machine with face grinding attachment SIP 400 x 500 Special version with enlarged swing diameter and extended hydraulic cross slide Reconstructed and modernized at the Glauchau manufacturer plant 1. TECHNICAL DATA 1.1 Working Range Internal grinding, min./max.: 30/630 (800) mm External grinding, max.: 800 mm Workpiece diameter, max.: 800 mm In workpiece guard, max.: 800 mm Without workpiece guard, approx.: 850 mm Up to grinding spindle carrier, max.: 1225 mm On the table, max.: 545 mm 1.2 Workpiece Spindle Headstock Max. cross traverse: 650 mm Cross adjustment via geared motor and positioning device Swivel range, max.: 15° Workpiece spindle speeds (rpm): 16/22/32/45/63/90/125/180/250 Load capacity, max.: 1000 kg Spindle head (with bayonet flange) DIN 55021 size 11

Condition: good (used), Year of construction: 2006, functionality: fully functional, center height: 180 mm, grinding length: 1,000 mm, grinding wheel diameter: 508 mm, grinding diameter: 350 mm, workpiece length between centers: 1,000 mm, grinding wheel width: 100 mm, !!!ATTENTION: LOCATION SALE IN 74219 MÖCKMÜHL!!! Bjdjy N Tapjpfx Aqrslh External cylindrical grinding machine TACCELLA ELEKTRA 1018 MPC Internal and external grinding machine Year of manufacture: 2006 Control system: Fanuc 21i External grinding: Grinding diameter: max. 350mm Grinding length: max. 1,000mm B-axis: manual Internal grinding: Speed of internal grinding spindle: 0 - 30,000 rpm Drive power: 7 kW Speed limitation by means of matched grinding spindles. Equipment: - 2 separate grinding spindles for internal and external grinding - Grinding spindle head manually swiveling - Internal grinding installed - Tailstock - Automatic balancing system - Probing system for workpiece length and diameter - Structure-borne noise sensor - Coolant system - Oil mist extraction Many grinding wheels and accessories included.

Condition: like new (used), Year of construction: 2019, functionality: fully functional, Lizzini IG-FL in as-new condition: - Year of manufacture: 2019 - Siemens control system - 2 external grinding wheels - 1 internal grinding spindle Blsdpfxsy Em Tnj Aqroh - C-axis - CNC-controlled B-axis Suitable for capto grinding (non-cylindrical/irregular shapes) Centre distance: 1000 mm Centre height: 200 mm

Condition: good (used), Year of construction: 2004, Ref. -No.: 10629 Manufacturer: MICHAEL DECKEL Type: S20 Turbo Year of construction: 2004 Type of control: CNC Storage location: Halberstadt Country of origin: Germany Workpiece Diameter: 250 mm Max. Grinding length: 340 mm Max. Workpiece Weight: 50 kg Grinding wheel diameter (max.): 150 mm Turning Speeds: 8000 RPM Workpiece holder: SK 50 Further information: Blsdpfxjy Ed Sbj Aqrsh The machine can be viewed while powered up.

Condition: good (used), Year of construction: 2001, Ref. -No.: 10608 Manufacturer: KEHREN Type: RI 64 Year of construction: 2001 Type of control: CNC Control: Sinumerik 840 D Storage location: Halberstadt Country of origin: Germany Table Diameter: 800 mm Grinding Diameter: 1250 mm Max. Table Load: 2000 kg Connection: 92 kVA Machine weight: 18000 kg Rated voltage: 3AC 400 V Rated frequency: 50 V Rated current: 157 A Performance assurance: NH-Sicherung 225 A Max. cabinet internal temperature: 55 °C Temperature change: max. 10 K innerhalb 1 Stunde Altitude max. above sea level: max. 1 K innerhalb Minuten m Further information: Universal application possibilities Highest precision levels Stable cast-iron constructions Hydrostatic bearings on the X and C axes Outstanding long-term accuracy and durability Blsdpfxsy Ed Nge Aqrjh Ergonomic and user-friendly operation Highly energy-efficient Compact, space-saving design Excellent damping properties Machine can be inspected under power.

Condition: excellent (used), internal diameter 5-200 mm grinding depth 230 mm swing diameter 50 mm centre height 180 mm internal grinding diameter 5 - 200 mm spindle bore 50 mm spindle speeds 120 - 1000 mm inclination 90 ° table movement in milling step automatic 3 - 600 mm/min spindle turning speed range 3600 - 40000 U/min spindle diameter 90 mm total power requirement 10 kW weight of the machine ca. 2,6 t Blsdpfx Aqey D T U Asreh dimensions of the machine ca. 3,1 x 1,6 x 1,8 m

Condition: good (used), internal diameter 200 mm grinding depth 80 mm stroke of the table X= 300 mm stroke of the table Y= 500 mm control FANUC 18i-TA total power requirement 7 kW weight of the machine ca. 2,5 t dimensions of the machine ca. 2,950x2,330x1,640 m O K A M O T O High-Precision Internal Cylindrical Grinding Machine with FANUC CNC Control, System 21 i – TA, 2-Axis Simultaneous Machining For machining bores, end faces, and outer diameters in a single setup TECHNICAL DATA Internal grinding diameter: (6) - 100 mm Grinding depth approx.: 80 mm Max. table stroke: X-axis 300 mm Z-axis 500 mm Swing diameter over table: 600 mm Swing diameter in chuck cover: 260 mm Blodpfxjy Dvnro Aqreh Table speed: (X/Z-axis) 0.1 - 10,000 mm/min Swivel angle of workpiece spindle: -5 to +15 degrees Smallest input increment: X-axis 0.0001 mm Z-axis 0.0001 mm Workpiece spindle speed: 100 - 850 rpm Grinding spindle speeds: Standard (infinitely variable) up to 10,000 rpm and 20,000 rpm

Condition: used, Year of construction: 2009, grinding diameter - internal max. 600 mm grinding diameter - cylindrical max. 800 mm control Siemens Sinumerik 840 D internal grinding depth max. 800 mm External grinding length max. 600 mm turning speed range - stepless 1-795 U/min workpiece length max. 800 mm Workpiece spindle unit (U/B1/L adjustment): - Travel (U axis): 300 mm - Swivel angle (B1 axis): -0.5°/+12° - Drive power of the workpiece spindle: 8.5 kW - Speed range (infinitely variable): 1-795 rpm - Setup speed (tapping): 10 rpm - Spindle head size A 8 according to DIN 55026 - Through bore 58.5 mm - Workpiece diameter max. 830 mm - Workpiece length (clamped in flight) max. 800 mm - Workpiece length (clamped between centers) max. 800 mm - Load capacity at spindle head max. 6100 N Internal grinding device (Z1/X1/B2): - Travel (Z1 axis): 1100 mm - Travel (X1 axis): 150 mm - Swivel angle (B2 axis): 270° - Manual longitudinal adjustment of internal grinding axis on table: 780 mm - Drive power of internal grinding spindles (infinitely variable) Belt-driven grinding spindles: 7.5 kW - Mounting bore grinding block (diameter): 100 mm / 125 mm - Mounting length grinding block: 220 mm Bodpfx Aqswp S Tnerelh - Grinding diameter: max. 600 mm - Grinding depth: max. 800 mm External and surface grinding device (Z2/X2): - Travel (Z2 axis): 800 mm - Travel (X2 axis): 470 mm - Swivel angle (B2 axis): 270° - Drive power of external grinding spindles: 7.5 kW - Mounting bore of grinding block: Ø 140 mm - Grinding diameter: max. 800 mm - Grinding length max. 600 mm - Grinding wheel dimensions: max. Ø 450 x 50 x Ø 127 mm Equipment/accessories: - Various grinding spindles - Various flanges/grinding wheel holders - Various clamping jaws - Coolant system - Oil mist filter - Cooler - Technical documentation

Year of construction: 1972, condition: ready for operation (used), A Voumard internal cylindrical grinding machine completely overhauled in 2020 is available. Grinding diameter range: 5mm-200mm, grinding depth: 250mm, speed: 1000rpm, speed control: continuously variable. An on-site inspection is possible. Blodpjy E S Hmofx Aqrjh

Condition: ready for operation (used), Year of construction: 2022, functionality: fully functional, machine/vehicle number: OE-70109, grinding wheel diameter: 760 mm, grinding spindle speed: 2,200 rpm, workpiece spindle speed (max.): 500 rpm, clamping length: 2,600 mm, tailstock quill stroke: 60 mm, No minimum price – guaranteed sale to the highest bidder! Bsdpfx Aoym Axnsqrolh Bidding obligates the buyer to collect the item within one of the following periods: either between 11/05/2026 and 13/05/2026, or between 18/05/2026 and 21/05/2026. TECHNICAL DETAILS Maximum grinding spindle speed: 2,200 rpm Workpiece spindle speed: 20–500 rpm Maximum workpiece swing diameter: 850 mm Maximum clamping length: 2,600 mm Maximum workpiece weight: 500 kg Maximum grinding wheel diameter: 760 mm Grinding wheel bore diameter: 304.8 mm Peripheral speed: 45 m/s Workpiece spindle mount: Morse taper 6 Tailstock quill stroke: 60 mm Grinding spindle head: X-axis infeed Z-axis feed MACHINE DETAILS Control model: FANUC SERIES OI-TF Operating voltage: 400 V Frequency: 50 Hz Rated current: 3 x 100 A Connection: 63 kVA Dimensions & Weight Dimensions (L x W x H): 5,000 x 4,500 x 2,900 mm Machine weight: 9,000 kg EQUIPMENT XACTOOLS manufacturer's robot cell with loading unit EPSON industrial robot, maximum payload: 8 kg Vibratory bowls Documentation External reference: Lot 35 / Blickle

Condition: used, Year of construction: 1973, min./max. hole to grind 8 / 10 mm max. grinding depth by internal grinding 150 mm swing dia. 450 mm workpiece spindle bore 35 mm Blsdpfxst Rlguo Aqrjh max. swivability 30 ° min/max. table longitudinal travel 5 / 150 mm/min Internal Grinding Machine | D14 - 1973 The machine is in a well-maintained condition. Please refer to further technical details in the attachement of the offer. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - #Tags: D-14 | D 14

Year of construction: 1989, condition: ready for operation (used), Center height: 150mm, center distance: 800mm, max. grinding length: 400mm, table dimensions X/Y: 1245mm/200mm, grinding spindle diameter: 80mm, grinding spindle length: 400mm, workpiece carrier: ISO50, spindle speed: 8000rpm. Documentation available. An on-site inspection is possible. Bjdpjy D Tp Tofx Aqrolh

Condition: used, CNC surface grinding machine Blsdjy Apq Djpfx Aqroh

Condition: good (used), Year of construction: 2000, Machine is in good working condition. Bodsrh Ipaspfx Aqrolh Magnet 600 mm

Condition: excellent (used), Year of construction: 1962, machine/vehicle number: 12.178, 🛠️ WALDRICH SIEGEN WS IIa 100/25 x 5000 CNC roll grinding machine – The perfect base for a retrofit! Get your hands on a high-quality roll grinding machine from WALDRICH SIEGEN – renowned for its exceptional stability and precision in heavy-duty applications. The machine was converted to CNC by Herkules in 1996 and is in excellent mechanical condition. ⚠️ Important – but your opportunity! The machine is currently not operational as the electrical equipment and CNC control system need to be replaced. 👉 Your advantage: Take advantage of this opportunity for a bespoke retrofit and get state-of-the-art technology at a fraction of the cost of a new machine. 💰 📊 Technical highlights 🔩 Grinding diameter up to 1,200 mm 📏 Length up to 5,000 mm ⚖️ Workpieces up to 25 tonnes ⚙️ Grinding wheel up to 900 mm Ø 🚀 Drive power up to 97.5 kW 🎯 Precision up to 0.001 mm 🧰 Features 🔄 Cylindrical & crown grinding 🖥️ CNC grinding support 🔁 Automatic feed with wear compensation 🎨 Partially modernised & repainted 💡 Why this machine? ✅ Solid industrial quality ✅ Perfect for modernisation / retrofitting ✅ Ideal for large roller machining ✅ Significantly cheaper than comparable new machines 👀 Viewing available at any time! Bledpfxjfbb D Do Aqreh Flexible appointment available 📅

Condition: used, TSCHUDIN GL 600 is a CNC centerless grinding machine designed for precision, high accuracy and reliable operation. Working capacities: grinding diameter 2–100 mm; grinding wheel Ø600 mm × 350 mm; regulating wheel Ø350 mm × 350 mm, swivelling range ±5°. Key specs: grinding spindle stepless, speeds up to 45 m/s; regulating spindle stepless 0–290 t/min; voltage 50 Hz 3x400 V; grinding motor 22 kW; total power 26 kVA; overall dimensions L2300 × W2000 × H2150 mm. Enables tight tolerances; suitable for automotive, watchmaking, machine tools, aerospace and medical sectors Bledpeyxn Hpjfx Aqrsh

Condition: reconditioned (used), Year of construction: 2014, functionality: fully functional, spindle speed (max.): 10,000 rpm, type of input current: three-phase, grinding wheel diameter: 250 mm, overall weight: 8,100 kg, feed rate X-axis: 20 m/min, feed rate Y-axis: 5 m/min, feed rate Z-axis: 20 m/min, travel distance X-axis: 380 mm, travel distance Y-axis: 300 mm, travel distance Z-axis: 280 mm, grinding spindle motor power: 15,000 W, table length: 500 mm, table width: 330 mm, input voltage: 400 V, CNC Tool grinding machine SCHNEEBERGER Gemini DMR TECHNICAL CHARACTERISTICS: Year of manufacturing: 2014 CNC control: FANUC 31i B5 Software installed: Quinto Qg1 Colour touchscreen: Yes Number of axes: 5 Stroke X axis: 380 [mm] Max. Stroke speed X axis: 20000 [mm/min] Resolution X axis: 0.0001 [mm] Stroke Y axis: 300 [mm] Max. Stroke speed Y axis: 5000 [mm/min] Resolution Y axis: 0.0001 [mm] Stroke Z axis: 280 [mm] Max. Stroke speed Z axis: 20000 [mm/min] Resolution Z axis: 0.0001 [mm] Table length: 500 [mm] Table width: 330 [mm] Grinding spindle attachment: HSK-50 Max. grinding wheel speed: 10000 [rpm] Grinding spindle motor power: 15 [kW] Max. diameter grinding wheel: 250 [mm] Weight: 8100 [Kg] INCLUDED EQUIPMENT: x1 grinding wheel changer with 8 positions x1 FANUC 6-axis robot, type LR Mate 200iC 5L x3 HEIDENHAIN linear glass scales on all X, Y, and Z axes Machine visible under power in our premises by appointment. Price on request, loading on truck included. Possibility of shipping Worldwide. Bsdeywzayepfx Aqrelh The information on this page has been obtained by the best of our ability. Therefore, its accuracy can not be guaranteed. Machine for sharpening tools such as milling cutters, taps, and drills. Machine comparable to brands such as Blohm, Elb, Ewag, Favretto, Fenix, GER, Jones & Shipman, Jung, Karstens, NUMAFFUT, Okamoto, Okuma, Saacke, SMP, Studer, Vollmer, and Walter. Also consider cylindrical or surface grinding machines, lathes, machining centers, and milling machines.

Condition: ready for operation (used), Grinding rotary table machine SIELEMANN RF-PE with digital control. Bledpsyzymmofx Aqrsh

Condition: good (used), Year of construction: 1999, machine/vehicle number: 490880699, ELB CNC controlled profile grinding machine type Perfect Future BD10 Unicon 4 axes Used, well maintained 4-axis CNC profile and surface grinding machine Siemens control Grinding length 1000mm Grinding width 600mm Grinding height 600mm Slijpsteenafmeting 400x100x127mm 4th axis Universal paper belt filter system with permanent magnetic pre-filter Cooling water unit Various grinding stones Bedpfx Asiwa S Tjqrjlh

Year of construction: 2024, condition: ready for operation (used), An almost like-new and high-precision CNC centerless grinding machine Monzesi is available. Grinding wheel outer diameter min./max.: 406mm/280mm, inner diameter: 152mm, max. width: 200mm, speed: 2100rpm, power: 11kW. Regulating wheel outer diameter min./max.: 160mm/254mm, inner diameter: 115mm, max. width: 200mm, speed: 285rpm. Workpiece diameter: 100mm, workpiece length: 200mm, regulating wheel axial adjustment: +/-10mm, taper setting: -2°/6°, tilt adjustment: +/-5°, accuracy: 0.0001mm. Machine dimensions X/Y/Z: approx. 3800mm/2000mm/21500mm, weight: approx. 4500kg, control: CNC Fanuc 35i-B Digital, operating hours April/2026: 481h. Documentation available. An on-site inspection is possible. Expected to be available from end of July/August 2026. Bledpfx Ajyyb Tleqreh

Condition: good (used), Year of construction: 2000, Universal Cylindrical Grinding Machine Studer S30 leanPRO Studer S 30 Year of manufacture: 2000 Operating hours counter Regular maintenance intervals by manufacturer (last service 11/25, report available) Wheel change: according to manufacturer intervals Hydraulic inspection: annual check Backup battery replacement: included in Studer maintenance Control system: FANUC 16 T Grinding diameter: 350 mm Grinding length: 1000 mm Center height: 125 mm Distance between centers: 650 mm Optional grinding cycles for increased center height Table adjustment: 11° Bedpfx Asyx Hgzeqrolh Glass scale on X / Z axis Paper band filter unit Workpiece headstock: approx. 1-1,000 rpm Internal grinding attachment with accessories LED spotlight with flexible arm Grinding wheel: 400x80 mm Frequency converter for external grinding spindle Grinding wheel flange Bore diameter: 127 mm Frequency converter for internal grinding spindle Workpiece weight: approx. 80 kg Workpiece support with live center and MK 4 Workpiece headstock: MK 5 taper Tailstock: MK 3 taper Quill stroke: 40 mm Machine weight: approx. 3,400 kg Installation dimensions (LxW): 2,300x1,550 mm Machine height: approx. 2,000 mm Electrical supply Digital linear measurement system Coolant supply with fleece filter, tank capacity 300L Operating hours counter, control ON: 35,978 h

Condition: used, internal diameter 340/440 mm grinding depth 99999 mm grinding diameter 250,350,450 mm grinding length 600 mm centre height 125,175,225 mm bore 127 mm MK5 work piece spindle speed 20-400 U/min grinding head swivelling 360 ° grinding spindle head - swivable 180 + - ° grinding spindle speed 1500,1700,2200 U/min 0,001-0,030 mm/Ø 0-0,95 mm/Ø ±10 ° longitudinal feed of the table 900 mm table speeds 0,02-6 m/min 130 kg 130 inkl. Spannugkg kg 70 mm total power requirement 6,5 kW weight of the machine ca. 2,2 t dimensions of the machine ca. 3,1 x 2,0 m As the world’s leading company in Kellenberger overhaul and retrofit we are not only able to deliver machines in a quality similar to a new machine and with warranty, but we can also offer you the service for your metrical overhauled and repainted with: Bledped Ih Dxsfx Aqreh -Neuem CE konformem Schaltschrank. -Neuem Werkstückspindelmotor und Regler in Drehstromtechnik. -Digitalanzeige in 2 Achsen. Auflösung x-Achse 0,5my Optionen: -Drehgeber mit digitaler Anzeige im Werkstückspindelstock -Drehgeber mit digitaler Anzeige im Schleifspindelstock (keine Höhenverstellung mit Spindel möglich) -Neue stabile Innenschleifvorrichtung Durchmesser 80mm oder 100mm mit Höhenjustierung. -Erhöhung der Spitzenhöhe auf max. 225mm -Drehzahlregelung für die Schleifspindel Inklusive: -Bedienwerkzeug -Spannrohr für Futter weiteres Zubehör auf Anfrage. Die Werkzeugmaschine entspricht zum derzeitigen Zeitpunkt nicht den grundlegenden Sicherheits- und Schutzanforderungen wie in der BetrSichV 2015 genannt. Eine Anhebung des erforderlichen Mindest-Schutzzieles ist mittels einer Gefährdungsbeurteilung nach BetrSichV zu ermitteln.