Used Cylindrical Grinder for sale (2,350)

Condition: used, MYFORD MG 12 HM UNIVERSAL CYLINDRICAL GRINDING MACHINE MAKE MYFORD, MADE IN ENGLAND MODEL MG 12 HM YEAR MID 90s SWING 127.0 mm LENGTH 305.0 mm PLUS HYDRAULIC MOVEMENT DROP DOWN INTERNAL INFINITELY VARIABLE SPEED CONTROL ON THE WORK HEAD Psdjy Nmg Aopfx Akijgu SPARE SWIVELLING WORK HEAD RANGE OF TOOLING

Condition: used, grinding length / mm grinding width / mm workpiece height / mm Schanbacher S 3 50 Saw Blade Sharpening Machine – working condition – industrial unit For sale is a high-quality circular saw blade sharpening machine manufactured by Willy Schanbacher KG (Germany). The machine is ideal for precise sharpening of circular saw blades used in metal and woodworking industries. Pgedpjy E Tyujfx Akiju Technical details: Manufacturer: Willy Schanbacher KG (Esslingen, Germany) Type: S 3 50 Serial number: 93 2187 Machine type: Saw blade sharpening machine Condition: Working condition Used, with normal signs of wear Last used without issues Features: Adjustable grinding angles (e.g. 90°, 120°, 140°) Precision grinding unit Feed mechanism for consistent sharpening Safety guard included Heavy-duty industrial design Applications: Metalworking Woodworking Workshops and sharpening services Scope of delivery: Machine as shown ?? Inspection possible by appointment ?? Shipping via freight forwarding available

Condition: good (used), Year of construction: 2006, functionality: fully functional, machine/vehicle number: 108076, grinding wheel diameter: 40 mm, overall weight: 550 kg, Used Weinig Rondamat 960 Includes various grinding discs Podpfxoztzrxe Akiogu Shaft diameter 40mm

Condition: used, grinding diameter 600-750 mm grinding length 600 mm Pgsdpfoz Auqtjx Akiou workpiece dia. 350 mm control Siemens 840 DSL weight of the machine ca. 10 t dimensions of the machine ca. 5600x4600x3000 mm Retrofit 2019 Workpiece length: max. 600 m Workpiece diameter: max. 350 mm Workpiece weight: max. 200 kg Power supply: 400 V Frequency: 50 Hz Power consumption: max. 35 kVA Grinding wheel diameter: 600-750 mm Grinding wheel thickness: 100-280 mm Weight with flange: approx. 300 kg Peripheral speed: 45 m/s max.

Condition: used, Herkules WS1100 x 7000 CNC roll grinder (re-manufactured by Metex - Year 2011) Pgjdpey U Hc Iefx Akieu Model WS1100 x 7000 18 ton capacity 1100mm swing 7000mm between centres Single saddle 700mm chuck Lismar roll inspection Waste conveyor Siemens Sinumerik 840 DSL controls Safety fence

Condition: used, Year of construction: 2010, grinding diameter 350 mm grinding length 1000 mm centre height 175 mm Control Fanuc 310is CNC control GE Fanuc 310is Hand panel for CNC control GE Fanuc Wenger loader optional Turned part with automatic indexing 1° Grinding head UR 1-2-3 Grinding wheel equipment left 500 x 80 mm Grinding wheel equipment right 400 x 63 mm Operating unit for one high-speed internal grinding spindle MFV / MFZ High-frequency internal grinding spindle MFN 1090 Coolant supply through the workpiece spindle Dressing unit on the upper table Pgjdey U N Hiepfx Akiju Swivelling holder for PCD diamond plates Basic module for KEL-TOUCH gate sensor and KEL-BALANCE balancing devices KEL-TOUCH lead sensor for universal grinding head variants R / RS / UR / URS KEL-TOUCH on the workpiece headstock for internal and external grinding Preparations for Movomatic ESZ 400 or Marposs P7 ME measuring controls Preparation for external filters Cooling lubricant switch-off for table devices Full casing emulsion Emulsion sanding mist extraction system Maintenance unit for additional pneumatic functions Preparation for KEL-VITA gantry loader KEL-POS, MOVOMATIC: C25 measuring probe Hydraulic preparation for arobo bezel

Condition: used, Year of construction: 2008, Manufacturer: Seydelmann Model: PG161 Year: 2008 Condition: Used Serial Number: 08357-1 Stock Number: 3315 Hole plate diameter: 160 mm Mixer: 1300 litres, max 700 kg Compressed air: 6 - 10 Bar Power: 3 x 400V, 50Hz, 45kW Dimensions: 2400 x 3000 x 3150 mm Weight: 2250 kg Psdpfozcnw Uex Akijgu With inspection platform and lifter for 200L tote bin

Condition: used, Year of construction: 2007, functionality: fully functional, machine/vehicle number: 6043, Year 2007 with Fanuc Series 16Oi Country of origin: CH Voltage: 3x400V/50Hz Dimensions: 216x160x216 cm Net machine weight: 3200 kg TECHNICAL SPECIFICATIONS X-axis: 300 mm Y-axis: 220 mm Z-axis: 180 mm Resolution: 0.0001 mm Pgodpfxezxz R Ej Akisu Clamping capacity: 0.5 – 20 mm Grinding wheel diameter: 0.1 – 16 mm Maximum clamping length: 270 mm Grinding wheel diameter: 150 mm A-axis (grinding wheel rotation): -195 / +30° B-axis (grinding head rotation): -75 / +135° C-axis (spindle indexing): 0.001° W-axis: 620 mm U-axis: 500 mm Grinding wheel speeds, continuous: from 2000 min-1 to 7200 min-1 Spindle power: 7 kW Fire extinguishing system – CO₂ Kraft & Bauer – Not verified and no guarantee of functionality. To be serviced by you. Unless otherwise indicated, the technical data is provided without any commitment.

Condition: excellent (used), Year of construction: 1963, Maximum height: 100 mm Distance between centers: 500 mm Grinding wheel diameter: 300 mm Maximum grinding wheel speed: 2,825 min-1 Grinding head can be rotated 90° to the left and right Maximum workpiece speed: 750 min-1 Spindle taper MK 4 Tailstock 3-jaw grinding chuck 125 mm Faceplate 160 mm ER 40 collet chuck with 28-piece collet set Fixed center Grinding wheel flange with grinding wheel Pedpfx Aozxqt Nokiegu Wet grinding device

Condition: used, Year of construction: 1977, grinding diameter 350 mm grinding length 1000 mm centre height 175 mm grinding wheel diameter 400 mm grinding wheel width 50 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 ±8 ° longitudinal feed of the table 1300 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. 2,5 t dimensions of the machine ca. 4,2 x 2,0 m Neu geliefert an Universität. 2018 übernommen. Dann komplett bei BEMA gewartet und an an Einmannbetrieb geliefert. Nun wird die Maschine nochmal gewartet und Tischgeometrie neu hergestellt. Pgsdpfjynmpgsx Akisu 2-Achsen-Digitalanzeige Fagor nachgerüstet. -Reitstock mit Feinverstellung -Innenschleifeinrichtung -Kühlmittelanlage Zubehör auf Anfrage

Condition: used, Year of construction: 1990, grinding diameter 360 mm grinding length 1000 mm centre height 180 mm max. workpiece weight between centres 250 kg Pgedpfx Asxbh Ebjkiju Maschine mit sehr wenigen Betriebsstunden nach Überholung beim Karstens Fachbetrieb. Zustellsteuerung Jetter Digitalanzeige Innenschleifvorrichtung Reitstock mit Zylindrizitätsfeinverstellung Hydraulische Reitstockpinole Etc... Luftkissenschnellverstellung Schleifspindelstock

Condition: like new (used), Year of construction: 2002, operating hours: 500 h, functionality: fully functional, max. grinding diameter 238 - 620 mm grinding length 190 mm workpiece length 380 - 940 mm spindle turning speed - stepless 2 - 12000 U/min current capacity 380 kVA power capacity - grinding motor 1,1 kW total power requirement 2,2 kW weight of the machine ca. 0,6 t !!! We have almost all spare parts for the Deckel S 11 machines in stock !!! !!! Accessories can be varied as desired !!! We would be happy to trade in your used Deckel S 11 - contact us! 2189 400 V, 50 Hz, with CEE plug and cable Colour: body pastel turquoise RAL 6034 Stand blue-grey RAL 7031 Motorized height adjustment, axial grinding spindle adjustment Machine like new !! * Accesories: * Sk ??40 dividing head with 24 R dividing disc Pgsdpfxjw U Eg Rs Akiju * Graduated disc 20 R * Tightening screw M 16 69871 * Spiral and relief grinding device with rack housing * Counter bearing with 4 tailstock centres * Center point with driver * Dressing device * Dressing diamond * Radius grinding device SK 40 complete with setting gauge * Steel holder for ditto * Support fingers with sliding blades * Support finger holder * Complete dust extraction without suction * Halogen light * Tooth support complete * Setting gauge * Plier sleeve and jacking nut and wrench * 35 collets 1.0 - 18.0 mm increasing by 0.5 mm * 1 set of SK 40 direct collets 6, 8, 10, 12, 14, 16, 18, 2, 22, 25 mm * 6 jaw grinding chuck * 3 taper reducing sleeves Sk 40 x Mk 1, 2, 3, 4 * clamping nut * 20 grinding wheel chucks * 2 protective hoods * various diamond/borazon discs * Instruction Manual & Keys, Parts List, Wiring Diagram * Complete set of grinding instructions Machine is partially overhauled and with electrical acceptance report! !! Various measuring optics (new or used) with measuring cross sled available !!

Condition: used, Year of construction: 1989, functionality: fully functional, grinding wheel diameter: 125 mm, overall weight: 520 kg, collet bore: 25 mm, grinding spindle speed: 500 rpm, power: 1.1 kW (1.50 HP), input current: 20 A, input frequency: 50 Hz, year of last overhaul: 2021, Equipment: rotational speed infinitely variable, max. grinding diameter 238 - 620 mm grinding length 190 mm workpiece length 380 - 940 mm spindle turning speed - stepless 2 - 10000 U/min current capacity 380 kVA power capacity - grinding motor 1,1 kW total power requirement 2,2 kW weight of the machine ca. 0,6 t !!! We have almost all spare parts for the Deckel S 11 machines in stock !!! !!! Accessories can be varied as desired !!! We would be happy to trade in your used Deckel S 11 - contact us! Notice: We would be happy to provide you with a free offer. However, please understand Psdpfx Akjw U Ehzsiogu that we only accept inquiries with a complete address edit. 1218 400 V, 50 Hz, with CEE plug and cable Colour: light grey RAL 7035 Stand traffic grey RAL 7042 (new paint) axial grinding spindle adjustment Accessories: * Machine stand and carrier plate ground * Complete electrical conversion included: > new three-phase drive > new brake motor > new frequency controller > new built-in electrics touch-proof > Fi circuit breaker > EMC cables and screwed connections > new protective cables > new control panel > Emergency stop switch * Opto electronic measuring device with microscope, support arm, parking space, new 2-axis Fagor digital readout and scales completely mounted and adjusted * dividing head Sk 40 with prisms and 24 R dividing disc * 1 graduated disc 14 + 22 R each * Twist and back-grinding device with rack and pinion housing * Setting gauge * Complete tooth support * pivoting support finger * LED lamp waldmann * Dust extraction device without vacuum cleaner * Univ. adjustment gauge * 10 direct collets Sk 40 6/ 8/ 10/ 12/ 14/ 16/ 18/ 20 22/ 25 mm * Collet sleeve with forcing nut * 1 set = 35 collets S 20x2 from 1.0 - 18.0 mm by 0.5 mm each * 1 taper reducing sleeve Sk 40 x Mk 1/ 2/ 3/ 4 * 3 grinding wheel chuck L 48, 35 mm * Protective cover * Exchange grinding spindle * Tool cabinet with 4 drawers * Shelves for dto. * Operating key, operating instructions, spare parts list, circuit diagram * Machine and accessories completely overhauled and with electrical test certificate!* 6 months warranty !

Condition: good (used), Distance between centres: 1000 mm Centre height: 180 mm Max. diameter to grind: 355 mm Max. workpiece weight between centres: 300 kg Max. workpiece weight with chuck: 125 kg Cross traverse (X axis): 350 mm X-axis feed speed: 0.01 / 6,000 mm/min Pedew Dqg Aopfx Akiogu X-axis resolution: 0.0001 mm X-axis measuring system: Digital scale Longitudinal traverse (Z axis): 1,300 mm Z-axis feed speed: 0.01 / 15,000 mm/min Z-axis resolution: 0.0001 mm Z-axis measuring system: Digital scale Grinding wheel dimensions (OD x ID x width): Ø500 x Ø203 x 80 mm Main motor power: 7.5 kW Wheelhead swivel angle: -30º / +210º Workhead spindle speed: 10 / 800 rpm Workhead spindle taper: MORSE 5 Tailstock taper: MORSE 4 Tailstock quill diameter: 60 mm Tailstock quill travel: 40 mm Dimensions: 4600 mm Length x 2400 mm Width x 2050 mm Height Approx. weight: 6,500 kg

Condition: refurbished (used), Year of construction: 2025, operating hours: 50 h, machine/vehicle number: 3018-04, Country of manufacture: Switzerland Voltage: 380/50/3 Net weight: 3100 kg Overall dimensions: 230x155x170 cm Installed power: 13 kVA Customs tariff position: 8460.2920 TECHNICAL SPECIFICATIONS MAIN DIMENSIONS Distance between centers: 650 mm Grinding capacity SpW+bs: -80 Stroke: 700 LONGITUDINAL SLIDE Max stroke: SpW+50 mm Minimum automatic feed: 1.5 mm Speed: 50-5500 mm/min Reversal delay: 0-6 sec Maximum table swivel: 12°/10°/8.5°/6° Pneumatic relief for table and workhead CROSS SLIDE Max stroke: 300 mm Rapid traverse: 60 mm Plunge grinding depth in diameter: 3.4 mm Pgjdpfxew T Sd Tj Akieu Feed 1: 0.012-6 mm/min Feed 2: 0.012-1.2 mm/min Feed per pulse: 0.001-0.05 mm GRINDING WHEEL HEADSTOCK Left-side wheel, external grinding: 400x80x127 mm Drive power: 5.5 kW Peripheral speed: 35 m/s RPM: 1670/2110 min-1 Internal grinding device for belt-driven spindles, including drive unit: 1.5 kW WORKHEAD Swivel range: 0-90° Continuously variable RPM: 30-1000 min-1 Internal taper: Morse 5 Collets: W-25 Drive power: 0.55 kW Maximum workpiece weight between centers: 130 kg Grinding load between centers: 100 Nm TAILSTOCK Internal taper: Morse 3 Quill stroke: 35 mm Fine adjustment for cylindricity correction: ± 40 μm TECHNICAL CHARACTERISTICS: GUARANTEED WORKING ACCURACY Straightness of the generator over 630 mm: 0.003 mm Roundness during chuck grinding: 0.0003 mm CONNECTION VALUES Maximum absorbed power: 13 kVA Maximum permitted voltage fluctuation: -15%/+10% Maximum permitted frequency variation: ± 3% Required compressed air pressure: 5 bar Unless otherwise stated or in case of error or omission, these technical details are provided without engagement.

Condition: refurbished (used), Year of construction: 2025, functionality: fully functional, machine/vehicle number: 6114676, Country of manufacture: Switzerland Voltage: 380 / 50 / 3 Net weight: 180 kg Dimensions: 850/620/1600 mm Installed power: 0.7 kVA Customs tariff code: 8460.3930 TECHNICAL CHARACTERISTICS DOUBLE CUP PRE-GRINDING AND SUPER-FINISHING WHEEL (FOR HARD METAL) - Abrasive: diamond - Diameter: 175 mm - Bore: 20 mm Spindle speed: 2500 rpm Cutting speed: 23 m/sec Spindle bearing: precision plain bearing Micrometric infeed of the workpiece by means of a fine-pitch threaded spindle, division: 0.01 mm Adjustment of approach and clearance angle: max 26° TOOL HOLDER CLAMPING CAPACITY: - Prism-shaped tool bodies: max 40x40 mm - Cylindrical tool bodies: max 16 mm - Circular cutting tools: max 85 mm MOTOR POWER: - Drive motor: 0.55 kVA - Pump motor: 0.1 kVA Pjdpfxsw T S Tbo Akijgu Coolant tank capacity: 10 l. All technical specifications are provided without obligation and subject to error or omission.

Condition: excellent (used), Year of construction: 2001, center height: 525 mm, workpiece weight (max.): 5,000 kg, grinding length: 4,000 mm, grinding wheel diameter: 1,060 mm, The machine underwent a retrofit in 2024. Control: Siemens Sinumerik 840D. Psdpfxow Ngm Uj Akisgu

Condition: excellent (used), functionality: fully functional, Double-sided grinder Grützmacher GSP10 Working width: 200-1000 mm Working height: 230 mm Number of units: 2 Mechanical oscillation of sanding belts Pneumatic head approach Grinding motor power: 2×7.5 kW Oscillation motor power: 2×0.15 kW Pgedpfxsxmgrqo Akiju Sanding belt: 2500x250 mm Exhaust ports: 2x140 mm

Condition: used, Year of construction: 2000, grinding diameter 500 mm grinding length 1000 mm centre height 250 mm -major maintenance -New table geometry -partial painting of the interior grinding wheel equipment LEFT 400x63x127mm (standard) grinding wheel equipment RIGHT 300x40x127mm Internal grinding unit Ø120mm for HF spindles CNC control KELCO 120 C-axis for non-circular grinding. Kel-Poly B-AXIS: CNC-controlled B-axis KELCO 120: v constant 35m/s or 45m/s High-frequency internal grinding spindle Operating unit for MFV and MFZ spindles Hydraulic quill retraction for the tailstock NO micro-adjustment on the tailstock Spring-loaded quill insert Top table cooling Standard workpiece headstock MK 5 DIN 55026 size 5" Micro-adjustment for the standard workhead Dressing device on the lower table Active longitudinal positioning KELPOS, MARPOSS, mounted on the grinding head Tool measuring system KELSET, MARPOSS MARPOSS gate sensor Measuring control MARPOSS Minialsar prepared Pgedpfxsxzk Nis Akieu Paper belt filter

Condition: excellent (used), Tool and cutter grinder CG Pgjdpfxsywavto Akiju

Condition: excellent (used), CV saw grinder Wagner model LT Podeywaxnopfx Akijgu

Condition: used, grinding diameter 350 mm grinding length 1500 mm centre height 175 mm Pjdpfx Asuxftrskiogu grinding wheel diameter 400 mm grinding wheel width 50 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 0-40 mm/Ø 0-40 mm/Ø ±6,5 ° longitudinal feed of the table 1530 mm table speeds 0,02-6 m/min 130 kg cross travel max. 270 mm 130 inkl. Spannung kg 80 mm tailstock quill taper MT 3 quill travel 30 mm total power requirement 6,5 kW weight of the machine ca. 3,05 t dimensions of the machine ca. 4 x 2 m Overhauled according to Kellenberger guidelines including new, modern and future-proof control system. Photo of machine already delivered with special options -Operation via the touch panel is extremely simple. -The symbols on the control panel are practically identical to the original original control system, so there is no need for familiarisation. -Diagnostic function with display of PLC messages and digital I/O -Dressing function can be extended or changed at the customer's request. -Orientated spindle stop of the workpiece spindle possible on request. -New maximum infeed of 40 mm can be extended on request. -Digital display in 2 axes. Resolution x-axis 0.5my Options: -Encoder with digital display in the workpiece headstock -Rotary encoder with digital display in the grinding headstock (no height adjustment with spindle possible) with spindle possible) -New stable internal grinding device diameter 80mm or 100mm with height adjustment. -Increase of the centre height to max. 225mm -Speed control for the grinding spindle Included: -Operating tool -Clamping tube for chuck Further accessories on request. The x-axis of the machine has an electronically controlled infeed system with stepper motor drive. Hydraulic longitudinal and rapid traverse table movement. Versatile application in production for external cylindrical and internal internal grinding or for external, face and internal grinding in one clamping clamping of individual parts. Possible options: -Semi-automatic dressing cycles for external and internal grinding -automatic dressing compensation. -Measuring control

Condition: used, Year of construction: 1982, grinding diameter 630 mm grinding length 600 mm centre height 320 mm Maschine wird überholt nach Kellenberger Messprotokoll und neu lackiert. Die anfällige Güttinger Steuerung wird durch die zeitgemäße BEMA X Steuerung ersetzt. Das heißt die Maschine erhält in diesem zuge auch eine komplett neue Elektrik. Pjdpfovq R Uzjx Akisgu Siehe Beispielfotos. Maschine mit verstärktem Werkstückspindelstock zum fliegend Schleifen von schweren Werkstücken. 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.

Condition: refurbished (used), Year of construction: 2025, Studer S30 Maximum distance between centers: 125 mm Distance between centers: 650 mm Workpiece weight: 80 kg Additional optional features: - Completely new control cabinet with basic PLC and panel - Conversion to ball screw drive incl. PLC Pro (cycle-controlled) - "Workpiece memory" PLC Pro for 10/15/30/50 workpieces - Glass scale in X and Z axes Psdpfjd Hdxwox Akisgu - Swivelable internal grinding device - Motor spindle for internal grinding device - Frequency converter for external grinding spindle - Frequency converter for internal grinding spindle - In-process grinding sensor - Guard for external grinding spindle - Safety door - manually operated - Grinding wheel flange - LED spotlight with flexible arm - Matching coolant system

Condition: used, grinding diameter 350,450 mm grinding length 600 mm centre height 175,225 mm grinding wheel diameter 400 mm grinding wheel width 50 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 machines. Foto von bereits gelieferter Maschine mit eventuell anderen Optionen. Maschine hat Zentralschmierung und Rollenführung in der Flachbahn der x-Achse sowie Luftabhebung im Schleifspindelstock serienmäßig. BEMA Standard serienmäßig: -Digitalanzeige in 2 Achsen. Auflösung x-Achse 0,5my -Drehzahlanzeige Schleifspindel -Stufenlose Drehzahl Schleifspindel 70-100% -Stufenlose Drehzahl Innenschleifspindel 70-100% Pjdpfjd Ih D Esx Akijgu -Werkstückspindelantrieb durch Drehstrommotor stufenlos regelbar über Frequenzumrichter Mögliche Optionen gegen Aufpreis: -Drehgeber mit digitaler Anzeige im Werkstückspindelstock -Drehgeber mit digitaler Anzeige im Schleifspindelstock (keine Höhenverstellung mit Spindel möglich) -Sinuslineal -Neue stabile Innenschleifvorrichtung Durchmesser 80mm oder 100mm mit Höhenjustierung. -Erhöhung der Spitzenhöhe auf max. 225mm -Drehzahlregelung für die Schleifspindel Inklusive: -Bedienwerkzeug -Spannrohr für Futter Natürlich erhalten Sie auf unsere generalüberhalten Maschinen 12 Monate Gewährleistung. (Nur Anrainerstaaten) 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