Used Horizon Ccr Stielow for sale (1,387)

Condition: used, Year of construction: 1998, machine/vehicle number: 0102-260022, The Behringer HBP 430N is a horizontal double-column band saw designed for professional use in metalworking. It is suitable for the precise cutting of solid material, tubes, and profiles, and stands out for its robust construction and high cutting accuracy. The machine is designed for straight cuts; depending on the configuration, miter cuts up to 45° are also possible. With a cutting range of Ø 430 mm or 600 × 430 mm and a continuously adjustable cutting speed from 17 to 110 m/min, it is highly versatile. The powerful 7.5-kW saw motor, the hydraulic workpiece clamping system, and the 150-liter cooling lubricant system ensure reliable and economical operation. Weighing 2,100 kg, the HBP 430N offers high stability and is ideally suited for daily use in metal fabrication, steel construction, and mechanical engineering facilities. Technical Specifications HBP 430 N Working range at 90° (round): Ø 430 mm Working range at 90° (flat): 600 × 430 mm Fgodpfx Aaszq S Ncj Ioh Working range at 45° (flat): 320 × 430 mm Minimum material dimensions: 15 mm / 10 × 15 mm Minimum cut length: 10 mm Remnant length: approx. 40 mm Cutting speed: 17–110 m/min Coolant tank: 150 l Belt tension: 80 bar Saw motor: 7.5 kW Hydraulic motor: 2.2 kW Coolant pump: 0.12 kW Chip conveyor 0.09 kW Rated power approx. 11 kW Mains connection 400 V / 50 Hz Control voltage 24 V DC Current consumption approx. 22 A Fuse rating 35 A Cable cross-section: min. 4 × 6 mm² Band saw blade dimensions: 5,800 × 54 × 1.3 mm Machine weight: 2,100 kg Workpiece support height: 700 mm

Condition: used, Year of construction: 1988, grinding length 0600 mm grinding width 250 mm workpiece height 250 mm magnetic plate size 600 x 250 mm total power requirement 4,5 kW Fedpfx Aju Rt E Tja Iegh weight of the machine ca. 2,5 t dimensions of the machine ca. 2000 x 1200 x 1650 mm With magnetic plate 600 x 200 mm and automatic dressing arrangement.

Condition: used, Year of construction: 2006, total width: 440 mm, total length: 2,460 mm, total height: 1,220 mm, Colour: White Empty weight: 280 kg - Year: 2006 - Documentation available: No - CE marking present: Yes - CE certificate present: No - Serial number: 11176 - Center height [mm]: 250 - Center distance [mm]: 1600 - Min. spindle speed [rpm]: 400 - Max. spindle speed [rpm]: 3000 - Voltage [V]: 400 - Fuse [A]: 16 - Power [kW]: 3.0 - Transport dimensions: 2460mm x 440mm x 1220mm (l x w x h) - Transport weight [kg]: 280kg - Transport packages [pcs.]: 1 Financial information VAT: The price shown is exclusive of VAT VAT/margin: VAT deductible for entrepreneurs Delivery and trade-in always possible for everything in the industrial sectors Yorick Diebels Fgedpezy Nb Uefx Aa Ijh

Condition: used, Year of construction: 2017, grinding length 800 mm grinding width 400 mm grinding height 375 mm dimensions of grinding wheel 300 x 50 x 76,2 mm max. table load 700 kg Condition: Used Accessories, tools, and clamping devices shown are included in the scope of delivery only if specified in the additional information. Subject to change, errors in technical data and specifications, Fgjdpfx Aasz Ebv Se Ijh and prior sale.

Condition: new, pressure 10 t Fodsz E Sv Aepfx Aa Iogh stroke 380 mm table-size 800 x 700 mm total power requirement 4,0 kW 90 mm weight 2,5 t dimensions 2,2 x 1,4 x 1,6 mm

Condition: used, Year of construction: 2005, cutting diameter 230 mm cutting speed 35 - 70 m/min cutting width 260 x 200 mm saw band length 2720 x 27 x 0,9 mm Fgsdpsy N D Nbofx Aa Ish total power requirement 1,1 kW weight of the machine ca. 0,68 t dimensions of the machine ca. 1,8 x 1,8 x 1,6 m

Condition: new, cutting diameter 355 mm dimensions of saw-band 3770 x 34 x 1,1 mm cutting speed 20 - 80 m/min cutting width 490 x 280 mm 290 mm Impact energy 250 mm 230 mm 180 mm connected load frequency 400 Volt total power requirement 2,2 kW weight of the machine ca. 0,7 t Fsdsmhm Aqepfx Aa Isgh dimensions 1,43 x 0,72 x 1,7 m Semi-automatic miter band saw - Miter cuts up to 45° left + right - Miter cuts up to 60° right - Vice with quick release device - Tape tension control via manometer - Electr. automatic cooling

Condition: new, cutting diameter 250 mm capacity 90 degrees: flat 280 x 220 mm capacity 90 degrees: square 220 x 220 mm Fgjdpfx Aasfg E H Se Ijh vice 285 mm turning speed range: 36/72 m/min dimensions of saw-band 2950x27x0,9 mm total power requirement 1,5 / 1,8 kW weight of the machine ca. 485 kg dimensions of the machine ca. 1700 x 1000 x 1800 mm Electro-hydraulic semi-automatic band saw SHARK 282 SXI EVO with semi-automatic-dynamic, manual function, has a MEP-28 control for miter cuts from 45° right to 60° left. Semi-automatic function: At the start of the cycle: - Vice closes and motor starts – Saw head lowers for the cut – Motor switches off – Saw head rises – Vise opens. Semi-automatic dynamic system (manual lowering of the saw band bow up to to the desired position and cycle start via the manual button.) Some features: New centralized control console on an articulated arm to allow the operator can be easily switched from any working position. Low voltage control panel: Polyester membrane keyboard with thermoformed highlighted Push buttons and actuation control signal. Display to show: * Diagnostics (messages in the user language) * Alarms (description of alarm causes) * State of inputs and outputs * Counting cuts * Time taken for the cut made * Current consumption of the saw blade motor * Saw blade tension * Blade speed * Numerical display of head position. Switch handle IP55 of manual 24V cycle. Complete program of all special cutting cycles. Identification of other possible special cutting cycles for special ones Applications New, latest generation hydraulic control unit, extremely powerful and with low energy consumption. Large work surface with turntable on roller bearings, measuring 265 mm preloaded thrust bearing, mounted. Double belt speed (36/72 m/min.) with control Intended to accommodate an electronic inverter for the Continuous regulation of the belt speed from 20 to 90 m/min. Stroke of the saw bow can be programmed directly from the control panel Adaptation to the cutting material. Clamping device can be moved laterally to the left and right Quick release vice. Manually operated strap tension control with display on the screen electronic converter. Base frame with pull-out coolant tray. Electric coolant pump for cooling and lubricating the saw band. Preparation for installing the minimum blade lubrication kit (Optional), in addition to the conventional standard lubrication Emulsion oil. Chip clearing brush. The machine is intended for pallet truck transport. Length stop for cuts of the same length Material support arm with roller for attaching the loading platform Bimetal saw band for solid and profile material. Tools and instructions for use in the respective user language.

Condition: excellent (used), FANUC 16 MA-Pro 3 Control With B-axis Working travels 900 x 800 x 970 mm Tool changer with 244 Positions Spindle speeds 0-12'000 rpm Spindle taper HSK100 Fjdpfoylbc Nsx Aa Iogh 2 paletts 630 x 630 mm B-axis 0.001° Cooling through spindle 3D measuring taper Tool breakage control device Chip conveyor Misc. accessories MARCELS MASCHINEN AG

Condition: excellent (used), Year of construction: 1998, Used cnc horizontal milling boring machine Brand: AYCE Model: AC100-k4 Serial number: 740 Year: 1998 Power: 16kw Weight: 12,700kg AC100-K4 MODEL WITH CONTINUOUS ADVANCE VARIATION Numerical control: Heidenhain TNC124 with 4 axes (X, Y, Z, B) Number of bench supports: 4 (K4) OPTIONALS: - Cnc Heidenhain - Automatic positioning of the table rotation 4 x 90º. - Vertical course 1200mm (Instead of 1000mm that the standard model has) - Refrigeration equipment - Face plate and clamping arm - Universal vertical apparatus, Huron type with hydraulic tool clamping - Rest for vertical course of 1200mm - Table rotation display 4th AXIS (B) Fedpfx Aasizxbie Iogh Principal axis: - Shaft diameter: 100mm - Inner cone: ISO 50 with quick tool clamping (Instead of Morse 5) - Drill mounting diameter: 171.45mm - Horizontal course of the main axis: 700mm - Vertical course of the main axis: 1200mm - Number of turning speeds: 18 - Speed range: 12-1200 rpm - Maximum distance between plate and steady rest: 2250mm Advances: - Number of work advances in all directions: INFINITE - Min/max value of work progress: 2 - 1500 mm/min. - Rapid advances in carriages and head: 3000 mm/min. - Rapid advance main axis: 1500 mm/min. - Rapid table rotation advance: 600 degrees/min. Rotary table: - Turntable dimensions: 1100x1200mm - Table longitudinal course without steady rest: 1500mm - Curos longitudinal table with lunette: 1200mm - Cross course: 1700mm - Distance between axis/maximum table center without steady rest: 1975mm - Distance between axis/maximum table center with steady rest: 1600mm Automatic centralized greasing. Hardened and rectified guide. Telescopic guide protectors. Ball screws in the 3 axes. Automatic hydraulic locks in all movements.

Condition: used, total height: 1,800 mm, total length: 12,000 mm, total width: 2,400 mm, Colour: Green Empty weight: 12.000 kg Price: On request - Documentation available: No - CE certificate present: No - Drive system: Conventional - Model Planer: Movable table - Power [kW]: 12.0 - Number of axes [pcs.]: 4 - Rotary table: Yes - Tailstock center: Yes - Spindle diameter [mm]: 110 - Table length [mm]: 1000 - Table width [mm: 1120 - X-axis travel [mm]: 2400 - Y-axis travel [mm]: 2000 - Z-axis travel [mm]: 1800 - Tool holder: MK6 - Main spindle power [kW]: 11 - Max. spindle speed [rpm]: 1800 - Max. workpiece weight [kg]: 4000 - Options: Boring head, Boring plate, Digital readout - Transport dimensions: 12000mm x 2400mm x 1800mm (l x w x h) - Transport weight [kg]: 12000kg - Transport packages [pcs.]: 5 Financial information VAT: The price shown is exclusive of VAT VAT/margin: VAT deductible for entrepreneurs Delivery and trade-in always possible for everything in the industrial sectors Fedpfx Aez Hph Eea Ijgh Lukas van Rossum

Condition: used, Year of construction: 2005, Fritz Werner TC630-N CNC 5-axis (3 + 2) horizontal machining centre with Siemens 840D control Fodpfsz Hzwrex Aa Isgh with Knoll coolant through spindle system, Knoll chip conveyor, Renishaw probe interface, mist extraction unit, chiller, handwheel & manuals Rohm Power Chuck & Rohm Collet System On Rotary Table. Axis Travel 'X'=1,000mm, 'Y'=820mm, 'Z'=400mm, 'C'=360°, 'B'=360°. Maximum Spindle Speed 6,000rpm. Spindle Taper SK50. 50 Position ATC.

Condition: new, cutting diameter 300 mm saw band length 3320 x 27 x 0,9 mm band speed 40/80 m/min total power requirement 1,5/1,8 kW weight of the machine ca. 670 kg How it works in the CCS version: After the material has been advanced and Once the vices have closed, the cutting process begins. The lowering is done by its own weight and is controlled by a spring balanced and a hydraulic brake cylinder regulates when the cut is carried out, the saw arm is moved by hand to the necessary position for the feed of the material is pushed up. Electrical panel (marked cable connection, indicator light for Ready for operation, safety main switch provided with padlock, Switch or speed switch, emergency stop, thermal magnetic protection, Low voltage system 24 volts) Electronic tape tension converter with on-screen display. Manual vice with quick lock Base frame with coolant tray and chip drawer, which has a Motorized chip conveyor (accessory) can be replaced. Electric coolant pump for cooling and lubricating the saw blade. Chip clearing brush Adjustable precision stops to make cuts of the same length. Machine is intended for pallet truck transport. Fodpfx Asfg E H Toa Ijgh Bimetal saw band for solid and profile material Tools and instructions for use

Condition: new, cutting diameter 330 mm capacity 90 degrees: flat 510 x 320 mm capacity 90 degrees: square 320 x 320 mm turning speed range: 40 / 80 m/min dimensions of saw-band 3440 x 27 x 0,9 mm engine output 1,5 / 1,8 kW weight 670 kg Semi-automatic, electro-hydraulic band saw machine for cutting 60° left to 60° right. Versatile machine with a tape of 4640 x 34 x 1.1 mm for the Cutting pipes, profiles and beams up to a maximum cutting range from 510x320 mm to 0°. The control console on a swiveling arm allows for comfortable and safe operation from any position. Electronic inverter for continuous belt speed regulation from 15 to 100 m/min. Large turntable with a diameter of 280 mm and engraved Fgjdpfx Asfg E Ibsa Ijh exact fine scaling, easily adjustable and stored.

Condition: new, cutting diameter 240 mm dimensions of saw-band 2730 x 27 x 0,9 mm table height 920 mm cutting speed 35 + 70 m/min 240 mm stroke back stop 230 mm cross-slide 270x230 210 Impact energy 200 Fgjdpfsd Iip Ssx Aa Ish Air consume per blow 200x210 130 mm 130 mm 130x160 mm total power requirement 1,2 kW weight of the machine ca. 0,26 t dimensions of the machine ca. 0,9 x 1,6 x 1,74 m • miter left 60° • Quick-release vise with quick-release device a. • Quick release lever for easy handling • Frame and gear made from one piece, very quiet cut and very low vibration • Electrical monitoring of band tension and band breakage, saw band cover. • Carbide saw band guide • Large machine bed • Machine base (disassembled) with automatic cooling The AutoCut system consists of: Hydraulic cylinder, feed control, spring assembly, limit switch Automatic saw frame lowering via the hydraulic Cylinder, continuously adjustable feed, with limit switch at the end of the cut. Rapid lowering of the saw frame from the rest position to the workpiece, then toggle to normal saw feed (e.g. for scribing). Manual operation: The hydraulic cylinder works as a brake cylinder (e.g. for notching). Through the brake cylinder the saw can be positioned in any position during the return stroke.

Condition: used, Year of construction: 2001, total length: 3,700 mm, total width: 1,650 mm, total height: 190 mm, Colour: White Empty weight: 3.300 kg Price: On request Fgedpfx Aaszhuvgs Ijh - Year: 2001 - Documentation available: Yes - CE marking present: Yes - CE certificate present: No - Serial number: 291/01 - Drive system: Teach-in - Control system type: Monforts Control System MTC K - Power [kW]: 15.0 - Centre height [mm]: 250 - Swing over bed [mm]: 500 - Carriage turning diameter [mm]: 290 - Distance between centres [mm]: 1500 - Bed width [mm]: 365 - Spindle bore [mm]: 70 - Min. spindle speed [rpm]: 2 - Max. spindle speed [rpm]: 2800 - Options: Quick-change tool post, Fixed steady, Digital readout, Three-jaw chuck - Transport dimensions: 3700mm x 1650mm x 190mm (l x w x h) - Transport weight [kg]: 3300kg - Transport packages [pcs.]: 1 Financial information VAT: The price shown is exclusive of VAT VAT/margin: VAT deductible for entrepreneurs Delivery and trade-in always possible for everything in the industrial sectors Lukas van Rossum

Condition: used, Year of construction: 1999, total length: 3,350 mm, total width: 1,550 mm, total height: 1,800 mm, Colour: White Empty weight: 3.300 kg In very good condition. In 2017 Refurbished for €32.000 - Year: 1999 - Documentation available: Yes - CE marking present: Yes - CE certificate present: No Fodpfxoztxl No Aa Iogh - Drive system: Teach-in - Control system brand: Monforts - Control system type: Monforts Control System MTC K - Power [kW]: 15.0 - Centre height [mm]: 250 - Swing over bed [mm]: 500 - Carriage turning diameter [mm]: 290 - Distance between centres [mm]: 1500 - Spindle bore [mm]: 70 - Min. spindle speed [rpm]: 2 - Max. spindle speed [rpm]: 2800 - Options: Three-jaw chuck, Fixed steady - Transport dimensions: 3350mm x 1550mm x 1800mm (l x w x h) - Transport weight [kg]: 3300kg - Transport packages [pcs.]: 1 Financial information VAT: The price shown is exclusive of VAT VAT/margin: VAT deductible for entrepreneurs Delivery and trade-in always possible for everything in the industrial sectors Lukas van Rossum

Condition: good (used), Year of construction: 2017, operating hours: 432 h, functionality: fully functional, Horizontal baling press HSM HL 7009 ST Re, year of manufacture 2017 Technical data: Manufacturer: HSM Type: HL 7009 ST Re Year of manufacture: 2017 Pressing force: 70 t Operating hours: 432 Specific pressing force: 58 N/cm² Drive power: 11 kW Feed opening: 1020 x 900 mm Bale size: 1100 x 1100 mm (W x H x L) Bale weight: up to 600 kg Tying: 4-strand horizontal, manual Machine dimensions: 5992 x 2066 x 2394 mm (L x W x H) Weight: 7500 kg Fgedpfx Aoz H I D Esa Ish Materials: Paper, cardboard, film Note: The press is in very good condition. It has been inspected and tested by us. A video can be found on our website or YouTube channel. Please note: All technical data refers to the manufacturer's specifications. We assume no liability for the information provided or any errors that may occur. This offer is non-binding, subject to prior sale and can be revoked at any time. Inspections are possible by arrangement. The sale is made against prepayment, ex works, without warranty. Our payment terms are 100% prepayment.

Condition: good (used), Year of construction: 2009, Ref. -No.: 10662 Manufacturer: STARRAG HECKERT Type: HEC 1250 Athletic Year of construction: 2009 Type of control: CNC Fjdsz Adt Repfx Aa Iegh Control: Siemens 840D Storage location: Halberstadt Country of origin: Germany Machine-No.: 221XXX X-Travel: 2200 mm Y-Travel: 1600 mm Z-Travel: 1850 mm Spindle Diameter: 100 mm Max. Tool Weight: 35 kg Max. Tool Length: 800 mm Max. Tool Diameter: 250 mm Clamping Area: 1000 x 1250 mm Tool Piece Magazine With: 60 Pcs./pcs. Max. Torque: 25.000 Nm Turning Speed Range - Stepless: 40000 mm / min Rapid Traverse: 40 m / min Numbers Of Pallets: 2 pallet change time: 47 s Weight Of The Machine Ca.: 26,5 t Position uncertainty P: 0,008 mm Position deviation Pa: 0,006 mm Positional dispersion Ps: 0,005 mm Maximum table rotation: 10 RPM Further information: - Design: Thermally symmetrical column design with optimal chip flow for machining castings. - Applications: Mechanical engineering, energy technology, and the machining of large gearboxes and engine components. - Powerful motor spindle (up to approx. 82 kW, depending on the model) for heavy-duty machining. - The Heckert HEC 1250 Athletic (built in 2009) is a high-performance, modular 4-axis large-scale machine for the precise complete machining of heavy workpieces. The machine can be viewed while powered on by prior arrangement.

Condition: used, Year of construction: 2025, cutting diameter 220 mm saw band length 2455 x 27 x 0,9 mm cutting width 230 mm cutting speed 35-74 m/min m/min total power requirement 1,2 kW weight of the machine ca. 250 t dimensions of the machine ca. 1,6 x 0,9 x 1,8 m The GBS 218 Eco AutoCut is a precision miter band saw designed for use in workshops and light industrial settings. It is ideally suited for cutting steel, stainless steel, and aluminum profiles, combining a powerful range of features with user-friendly operation. Thanks to the integrated AutoCut system, the machine offers three selectable operating modes: automatic saw frame lowering with adjustable feed rate, rapid approach to the workpiece, and manual operation with a braking cylinder function. This versatility makes it ideal for a wide variety of sawing requirements. Key features: - Miter cuts up to 60° to the left - Two-stage selectable cutting speed: 35 + 70 m/min - Vise with quick-clamping mechanism - Carbide saw blade guides - Automatic electric coolant system Fedpfxez N Hv Hs Aa Iogh - Optional: Minimal quantity lubrication for improved cooling and lubrication

Condition: excellent (used), Year of construction: 2007, CNC Control: MSX-501III X mm: 730 Fsdpeythprsfx Aa Iegh Y mm: 730 Z mm: 850 B mm: 0.001 Pallet dimension mm: 500 x 500 Number of pallets: 2 Table load capacity Kg: 500 Cutting feed rate mm/min X, Y, Z: 50,000 Maximum rapid traverse rate m/min X, Y, Z: 50, 50, 50 Spindle speed rpm: 14,000 Spindle power kW: 22/18.5 Taper type: BT-40 Torque Nm - Tool changer type: Chain type Positions in changer: 120 Max. tool diameter: mm 70 Max. tool diameter with adjacent positions empty: 140 Max. tool length mm: 500 Max. tool weight kg: 8 Coolant tank capacity l.: 760 Coolant through spindle: Yes Equipment Chip extractor Rigid tapping Manuals, electrical diagrams, etc.

Condition: used, Year of construction: 2007, operating hours: 30,271 h, functionality: fully functional, machine/vehicle number: 147, travel distance X-axis: 2,400 mm, travel distance Y-axis: 2,000 mm, travel distance Z-axis: 1,950 mm, controller manufacturer: Fanuc, controller model: 15i, total height: 4,500 mm, total length: 5,500 mm, total width: 6,500 mm, table load: 8,000 kg, rotational speed (max.): 4,000 rpm, overall weight: 40,000 kg, spindle speed (max.): 4,000 rpm, operating hours of spindle: 30,251 h, coolant supply: 70 bar, spindle nose: BT 50, number of spindles: 1, number of slots in tool magazine: 120, Equipment: chip conveyor, documentation/manual, Good used MITSUI SEIKI HU 150 A for sale - Fanuc 15i control - Knoll high-pressure system, 200 liters, 70 bar - Chip conveyor - Tool magazine, 120 positions, BT 50 - NC table, 0.001° accuracy - 2 pallets, 1500 x 1500 mm - Extended Z-axis - Machine can be inspected while powered on Fsdpfx Aajz Iyd Tj Isgh - Year of manufacture: 2007 - Linear scales in all axes

Condition: good (used), Year of construction: 2008, functionality: fully functional, Technical details cutting diameter 1000 mm saw band length 11100 mm cutting width 1100 mm total power requirement 20 kVA weight of the machine ca. 14 t dimensions of the machine ca. 5,4 x 3,2 x 3,9 m Additional information Cutting capacity: Ø 1000 mm, W 1100 x H 1000 mm min. Ø 400 mm, W 400 x 100 mm Face parallelism monitoring: optical display in mm Motor power – band drive: 11.0 kW Hydraulics: 3.7 kW Coolant: 0.36 kW Cleaning brush: 0.09 kW Band speed: 15 – 120 m/min (infinitely variable) Tank capacity: 115 l (hydraulics) Fgedpfoz Iy Dysx Aa Ioh 250 l (coolant) Saw band dimensions: 80 x 1.6 x 11,100 mm Space requirements: W 5366 x H 3215 x D 3863 mm Table height: 820 mm Weight: 14,000 kg – no foundation required Color: Red/black

Condition: used, Year of construction: 1998, X/Y/Z - 1000/800/810 mm Pallet size 630 x 630 mm Distance between pallet & spindle 50-850 mm Pallet indexing 1 degree. Spindle taper BT 50 Spindle speeds 50-5000 rpm Pallet changer w/6 stations No. of stations in changer 150 pcs. Fjdpez H H Sbofx Aa Isgh High pressure coolant through spindle Control: OSP-U100 Equipped with: 10 toolholders Chip conveyor Pallet changer w/6 stations 6 pallets

Condition: used, Year of construction: 2006, operating hours: 28,491 h, machine/vehicle number: 309, travel distance X-axis: 2,000 mm, travel distance Y-axis: 1,650 mm, travel distance Z-axis: 1,200 mm, controller manufacturer: Fanuc, controller model: 15i, workpiece weight (max.): 5,000 kg, table load: 5,000 kg, overall weight: 28,000 kg, spindle speed (max.): 6,000 rpm, operating hours of spindle: 29,840 h, coolant supply: 70 bar, spindle nose: BT50, number of spindles: 1, number of slots in tool magazine: 120, Equipment: chip conveyor, documentation/manual, MITSUI SEIKI 100 A Year of manufacture: 2006 120-tool magazine, BT 50 Knoll high-pressure system, 2000 liters, 70 bar Chip conveyor Pallets, 1000x1000 mm NC table, 0.001° Linear scales in all axes Fgsdpfx Aaoz Iyaus Ish Spindle speed: 6000 rpm Can be inspected while in operation.