Used Mazak Quick Turn 20N for sale (12,775)

Condition: used, Year of construction: 2003, Turning length 1000 mm Spindle bore 65 mm Max. turning dia. 300 mm Spindle speeds 4000 rpm Spindle speeds on live tools 4000 rpm Chsdex N A I Njpfx Al Aoc Turret w/12 stations Control: Mazatrol 640 T Nexus Equipped with: 3 pcs. live tools Various tool holders

Condition: good (used), Year of construction: 2008, turning length: 1,500 mm, turning diameter: 420 mm, Manufacturer: MAZAK Type: QTN 350 II MY Control: Mazatrol Matrix Nexus Year of Manufacture: 2008 Chedpfxjwaikxe Al Aec Specifications Metric US Standard Max. Turning Diameter 420 mm X-Axis 257 mm Y-Axis 152 mm Z-Axis 1607 mm Spindle Bore 102 mm Speed 3300 rpm Spindle Power 30 kW Tool Changer 12-Speed Driven Tool Power 4000 rpm Driven Tool Power 7.5 kW Quill Mount 5 Mk Quill Stroke 200 mm Dimensions (Estimate) Length 5000 mm Width 2100 mm Height 2200 mm Weight 8600 kg Please note: The information on this page has been compiled to the best of our knowledge and belief, and where possible, by the manufacturer. This information is provided in good faith, but its accuracy cannot be guaranteed. Accordingly, it does not constitute a representation or contractual terms. We recommend that you review all important details.

Condition: used, Year of construction: 1993, turning diameter ca. 500 mm swing diameter ca. 600 mm travel -x axis ca. 400 mm travel -z axis ca. 600 mm spindle turning speed range 2000 U/min spindle drive 63 kW control SIEMENS control SINUMERIK System 3 tool turret 1 x 12 Pos weight of the machine ca. 9,3 t Cjdpfotyp Suox Al Ashc - R-version, turret right hand side of 3-jaw chuck - Accessories: hydr. 3-jaw chuck 400 mmø, various toolholders for turret, chip conveyor, coolant

Condition: ready for operation (used), functionality: fully functional, Year of construction: 2002, operating hours: 24,297 h, machine/vehicle number: 161711, controller model: MAZAK & FANUC L-64, laser power: 1,500 W, travel distance X-axis: 1,270 mm, travel distance Y-axis: 1,270 mm, travel distance Z-axis: 420 mm, No minimum price – guaranteed sale to the highest bidder! The machine is suitable for processing sheet metal, tubes, and profiles! TECHNICAL DETAILS Travel range X-axis: 1,270 mm Travel range Y-axis: 1,270 mm Travel range Z-axis: 420 mm Swivel range A-axis: ±300° Swivel range B-axis: ±135° Laser power: 1,500 W CO₂ laser model: YB-L150A8M Sheet metal dimensions max.: 1,250 × 1,250 mm Table load max.: 145 kg MACHINE DETAILS CNC control: MAZAK & FANUC L-64 Operating hours: 24,297 h Machine weight: 8,300 kg Codpfx Aloztxtts Aohc Last operated until: March 2025 Currently disconnected and stored EQUIPMENT Cooler Control cabinet

Condition: used, Year of construction: 2008, operating hours: 51,226 h, functionality: fully functional, Control system: HEIDENHAIN Plus iT with Turn Plus Turning length: 1175 mm (tailstock machine 1100 mm) Tool holder: HSK 63A (DIN 69893) Tool magazine: 1 x 36-position disc magazine Cedpfx Aljzx Agzj Aehc Note: We offer flexible financing solutions for all machines as well as a professional relocation service. Dismantling, transport, and expert reassembly – all from a single source. Billing based on individual terms and conditions and duration. Contact us for your personal offer.

Condition: ready for operation (used), functionality: fully functional, spindle bore: 28 mm, input voltage: 400 V, spindle nose: D1/4, spindle speed (max.): 4,000 rpm, spindle speed (min.): 45 rpm, overall weight: 955 kg, For sale: AI DR1L S lathe – very complete with accessories For sale: an AI DR1 LS universal conventional lathe, complete with an extensive set of accessories. A robust and heavily built Dutch lathe, suitable for precise turning work and various tasks in a workshop, toolmaking shop, or for the serious hobbyist. Technical specifications AI DR1 LS Center height: 133 mm Center distance: 750 mm Cjdpszxgy Eofx Al Ashc Turning diameter above the bed: 270 mm Turning diameter above the cross slide: 145 mm Main spindle bore: 26 mm Max. collet capacity: 18 mm Main spindle mount: Camlock D1-4" Main spindle taper: MC 4 Tailstock taper: MC 2 Longitudinal feed: 0.022 – 2.6 mm/rev. Metric thread: 0.2 – 7.5 mm Whitworth thread: 90 – 2 threads per inch Number of spindle speeds: 24 Spindle speeds: 45 – 4,000 rpm Motor power: 1 / 1¾ / 2½ hp Weight incl. standard accessories: approx. 855 kg Extensive accessories The lathe is supplied with, among other things: Various chucks Collets Taper attachment Tool holder Follow rest Various other accessories and tools And more The D1-4 Camlock spindle mount allows for quick and secure changing of chucks. With 24 spindle speeds from 45 to 4,000 rpm, a center distance of 750 mm, and a turning diameter of 270 mm above the bed, this is a particularly versatile lathe. With a weight of approximately 950 kg, it is a stable and well-built machine, suitable for both fine precision work and heavier turning operations. A great opportunity for someone looking for a complete AI DR1 S with many original and usable accessories. Condition: used Location: Emmeloord Asking price: € 6450 EX Inspection and demonstration are possible by appointment. If you are seriously interested or require additional information, please contact us.

Condition: excellent (used), functionality: fully functional, spindle bore: 28 mm, input voltage: 400 V, spindle nose: D1/$, spindle speed (max.): 4,000 rpm, spindle speed (min.): 45 rpm, overall weight: 850 kg, For sale: AI DR1 S lathe – very complete with accessories For sale: an AI DR1 S universal conventional lathe, complete with a comprehensive set of accessories. A robust and heavy-duty Dutch lathe, suitable for precise turning work and a variety of tasks in a workshop, toolmaking shop, or for the serious hobbyist. Technical data AI DR1 LS Center height: 133 mm Distance between centers: 470 mm Swinging diameter over bed: 270 mm Swinging diameter over cross slide: 145 mm Spindle bore: 26 mm Max. collet capacity: 18 mm Spindle nose: Camlock D1-4" Spindle taper: MC 4 Tailstock taper: MC 2 Longitudinal feed: 0.022 – 2.6 mm/rev. Metric thread: 0.2 – 7.5 mm Whitworth thread: 90 – 2 threads per inch Number of spindle speeds: 24 Spindle speeds: 45 – 4,000 rpm Motor power: 1 / 1¾ / 2½ hp Weight incl. standard accessories: approx. 855 kg Extensive accessories The lathe comes with, among other things: Various chucks Codpfx Alszxg Ago Aohc Collets DRO EASSON Tool holder Follow rest Various other accessories and tools And more Thanks to the D1-4 Camlock spindle nose, chucks can be changed quickly and easily. With 24 spindle speeds from 45 to 4,000 rpm, a distance between centers of 750 mm, and a swinging diameter of 270 mm over the bed, this is a particularly versatile lathe. Weighing approximately 855 kg, it is a stable and robustly built machine, suitable for both fine precision work and heavier turning operations. A great opportunity for someone looking for a complete AI DR1 S with many original and useful accessories. Condition: used Location: Emmeloord Asking price: €8750 EX Inspection and demonstration are possible by appointment. If you are seriously interested or would like additional information, please contact us.

Condition: used, Year of construction: 2018, workpiece weight (max.): 35,000 kg, total length: 15,600 mm, total height: 6,000 mm, total width: 6,000 mm, overall weight: 155,000 kg, The Pittler WMZ PV4000 / 1-2 is a heavy CNC vertical turning machine with a portal design, featuring one workpiece spindle and two independently movable tool carriers. The machine enables turning, drilling, milling, and grooving. The right tool carrier is designed as a swiveling multifunction head with a B-axis and driven tools. Two separate chain magazines provide a total of 94 tool positions. Technical Data Machine Number: ZV029 Machine Concept: Portal machine with one workpiece spindle and two tool carriers Machining Processes: Turning, drilling, milling, and grooving Maximum Swing Diameter: 3800 mm Maximum Workpiece Diameter: 3800 mm Maximum Workpiece Speed: 100 min-1 Rated Speed: 36.7 min-1 Workpiece Clamping: Manual Chuck: Röhm Tool Holder: Capto C8 Tool Magazines: 2 chain magazines Tool Positions: 2 x 47 Total Number of Tool Positions: 94 Maximum Tool Diameter: 120 mm according to the operating manual Maximum Tool Diameter: 150 mm according to the order confirmation with appropriate magazine loading Maximum Tool Length: 400 mm Maximum Tool Weight: 20 kg Travel Paths X1-Axis Right Tool Carrier: 3200 mm X2-Axis Left Tool Carrier: 2800 mm Z1-Axis Right Tool Carrier: 1000 mm Z2-Axis Left Tool Carrier: 1000 mm Rapid Traverse X-Axes: up to 32 m/min Rapid Traverse Z-Axes: up to 20 m/min Workpiece Spindle Gear Reduction: 1 to 30 Maximum Speed: 100 min-1 Rated Speed: 36.7 min-1 Rated Power: 67.4 kW Short-Term Total Power: 202.2 kW Cedpfszwa Rbjx Al Ajhc Rated Torque: 52.65 kNm Maximum Drive Torque: 71.55 kNm Torque according to Order Confirmation: 67000 Nm at 40% duty cycle Motor Spindle Power according to Order Confirmation: 200 kW at 100% duty cycle Maximum Spindle Load Capacity including Chuck, Clamping Jaws, and Workpiece: 35000 kg Spindle Flange Diameter: 1900 mm Thrust Bearing Diameter: 1400 mm The workpiece spindle is designed as a water-cooled motor spindle with precision axial deep groove ball bearings. Tool Carrier and Multifunction Head The right tool carrier features a swiveling multifunction head with two Capto C8 holders for turning tools as well as drilling and milling tools. B-Axis for Stepless Positioning Swivel Range: 180 degrees Speed of Driven Tools: up to 6000 min-1 Tool Spindle Torque: approx. 120 Nm at 100% duty cycle Hydraulic Clamping Direct Measurement System Direct Coolant Supply High-Pressure Coolant Supply: up to 70 bar Tool Magazines Two chain magazines with 47 tool positions each Tool Holder: Capto C8 Maximum Tool Diameter: 120 mm Up to 150 mm with appropriate magazine loading Maximum Tool Length: 400 mm Maximum Tool Weight: 20 kg Tool Cleaning with Blowing Air Manual Magazine Loading Coolant and Chip Disposal Two Knoll Chip Conveyors Type 600 S-2/120 Knoll Band Filter Type KF400-2300 Additional Equipment Röhm Chuck Spindle Cooling Hydac FLKS-4S Hydraulic Unit Hydac TBM20 Electrical Data Operating Voltage: 3 x 400 VAC Protection Class: IP55 Maximum Power Consumption: 280 kVA Component weight max.: 35,000 kg Swing: 3,800 mm Rotation height max.: 2,100 mm Weight approx.: 155,000 kg Dimensions (LxWxH) approx.: 15600 x 6000 x 6000 mm Table diameter: 3,800 mm Control: Siemens SINUMERIK 840D sl Year of construction: 2,018 Condition: good Terms of payment: 100% prepayment before pick-up Terms of delivery: EXW EX Works under power: Yes

Condition: excellent (used), Year of construction: 2011, functionality: fully functional, machine/vehicle number: 3087984, SPECIFICATION Swing over front apron 806mm Swing over cross slide 527mm Maximum cutting diameter 533mm Maximum turning length 660mm Spindle nose A2-6 Spindle bore 88.9mm Chodpfx Alozwuraj Ajc Bar capacity 76mm Maximum spindle speed 3400rpm Spindle motor power 22kW Number of turret tool stations 12 Rapid traverse Z/X axis 24m/min Approximate weight 6500Kg MACHINE EQUIPPED WITH: - Haas CNC control system Live tooling with C axis Collet chuck Tool setting probe Parts catcher Hydraulic tailstock Servo bar 300 magazine bar feed Swarf conveyor Interlocked guarding Automatic lubrication system Coolant system Manual

Condition: ready for operation (used), Year of construction: 2008, operating hours: 411 h, functionality: fully functional, chuck outer diameter: 1,200 mm, spindle speed (max.): 300 rpm, spindle speed (min.): 2 rpm, turning diameter: 1,600 mm, Massa Heavy Duty Precision CNC Vertical Borer Model: VL-1200 ATC + C Control: Fanuc 18i TB Year: 2008 Chedjzv T A Ijpfx Al Aec Max Swing Dia:1600mm Max Turning Dia: 1350mm Max Turning Height: 1250mm 4 Jaw Scroll Chuck Dia: 1200mm Table Speeds: 2-300 RPM 16 Station Tool Changer ‘C’ Axis 360 Degrees ‘C’ Axis Milling Spindle BT 50 Dimensions: 6300 x 4500 x 5800mm Weight: 33,000 KGS

Condition: good (used), Year of construction: 2017, Standard turning diameter 150mm, maximum cutting diameter 255mm, maximum cutting length 685mm , Bar capacity main spindle 51mm, Codpfx Aszwm Hpol Aohc spindle speed 5,000rpm, sub-spindle 5,000 rpm, C axis 0.001 degrees, 3 x turrets 24 stations, Y axis +/-45mm, milling speeds 6,000 rpm, main spindle 15kw, Fanuc 31i, swarf conveyor, barfeed unit, parts catcher

Condition: used, Year of construction: 2001, functionality: fully functional, CNC turning and milling center Okuma MacTurn 30 Control system: OSP-U100L Year of manufacture: 2001 Internal machine number: 51 Turning length: 1,000 mm Turning diameter: max. 500 mm Diameter of rotation over the machine bed: 500 mm Diameter of rotation over the tool slide: 500 mm Tool holder: SK 40 Tool positions: 60 positions Travel ranges: X-axis: 430 mm Y-axis: 190 (+/-95) mm Z-axis: 1,090 mm C-axis: 0.001° - 3-jaw chuck SMW Autoblok - Programmable tailstock - Chip conveyor - Paper band filter system with high-pressure pump - Oil mist extraction system - Touchsetter - One Touch IGF - Door automatic - Large chuck package Codpfszwl Rajx Al Ajhc - Large tool package

Condition: good (used), Year of construction: 2003, Main spindle: Speed range - main spindle max. 6,000 min/-1 Drive power - main spindle 16 kW Max. torque 155 Nm C-axis 360 ° Tool turret: Number of tool positions 12 pos. Number of driven tool stations 12 pos. Speed range - driven tools max. 5,000 min -1 Drive power - driven Tools 10 kW Tool holder (VDI 30) Tool shaft 20 x 20 mm Travel paths: x-axis 160 mm z-axis 450 mm Feed rates: Rapid traverse X: 60 m/min Rapid traverse Z: 45 m/min Feed force X: 2.5 kN Feed force Z: 4 kN Rapid traverse C: 200 1/min Max. torque C: 155 Nm Total power requirement Machine weight approx. 3.7 t Space requirement approx. 4.5 x 2.5 x 2.5 m Chedov Drigjpfx Al Aoc Heidenhain control Hollow clamping cylinder C-axis and tool drive a Chip conveyor Oil and emulsion mist separator with electrostatic filter

Condition: excellent (used), Year of construction: 2018, operating hours: 16,500 h, CNC long-turn lathe Manufacturer: STAR Type: SR-20R IV type A Year of manufacture: 2018 Equipped with: FANUC 31i control system Rear-end machining Synchronous spindle Powered tools Y2 axis Manual B-axis Csdpfx Aljzyf R Sj Ajhc C-axis Fire extinguishing system Chip conveyor Oil mist extraction system Parts conveyor belt Bar feeder magazine FMB TURBO 2-20

Condition: ready for operation (used), Year of construction: 2005, Make: MAZAK Type of machine: PFH-5800 Year of manufacture: 2005 Control system: Mazatrol 640M Machine's weight: 16.000 kg Tool holder: SK 50 x-travel: 900 mm y-travel: 760 mm z-travel: 800 mm Speed range: 10.000 U/min max. Table load: 1.000 kg Chjdpsyc Sbdjfx Al Asc Table dimensions: 500 × 500 mm Number of tools in the magazine: 80 Plätze

Condition: used, Year of construction: 2000, operating hours: 42,362 h, functionality: fully functional, machine/vehicle number: 148417, overall weight: 8,000 kg, total length: 6,000 mm, total width: 2,900 mm, total height: 2,000 mm, travel distance X-axis: 2,650 mm, travel distance Y-axis: 1,670 mm, travel distance Z-axis: 100 mm, controller manufacturer: Mazatrol, controller model: L-32B, working width: 1,250 mm, workpiece weight (max.): 300 kg, laser hours: 42,362 h, laser power: 1,500 W, sheet thickness (max.): 12 mm, sheet thickness aluminum (max.): 3 mm, sheet thickness steel (max.): 12 mm, working length: 2,500 mm, control type: CNC control, degree of automation: automatic, sheet thickness stainless steel (max.): 6 mm, laser type: CO₂ laser, actuation type: electric, Equipment: emergency stop, nozzle changer, Used Turbo X48 champion from 2001 located in Serbia. This laser cutting is equipped with a control unit Mazatrol L-32B and has a working area of 2500 x 1250 mm, laser power 1.5 kW. 42362 total hours on. Cutting capacity: Chjdpfx Asxl Sfyjl Asc -12mm mild -6mm stainless -3mm aluminium For additional pictures and videos of laser cutting in action feel free to contact me.

Condition: used, Year of construction: 1996, turning diameter . mm turning length . mm control Mazatrol type . . turning speeds . U/min spindle passage . mm Tool changer . Pos. Spindle capacity . KW centre distance . mm x-travel . mm z-travel . mm weight of the machine ca. 4,75 t Super Quick Turn The tech. Data are manufacturer or operator information and therefore non- binding. We reserve the right to prior sale; Our terms and conditions of sale apply exclusively. About us More than 400 of our own machines in stock Over 15,000 m² of storage space, 70 t crane capacity More than 10,000 items and accessories for your workshop If you are interested in selling machines, production lines, or your business, please contact us. You can find further offers on our website. Tours are possible by appointment. We look forward to your visit. Your Markus Hirsch Team Csdpfx Asyqr S Ssl Aehc

Condition: used, Year of construction: 1996, x-travel 1040 mm y-travel 510 mm z-travel 640 mm control Mazatrol type M Plus Tool changer 24 Pos. weight of the machine ca. 5,5 t The tech. Data are manufacturer or operator information and therefore non- binding. We reserve the right to prior sale; Our terms and conditions of sale apply exclusively. About us More Codsyqr Uyjpfx Al Aohc than 400 of our own machines in stock Over 15,000 m² of storage space, 70 t crane capacity More than 10,000 items and accessories for your workshop If you are interested in selling machines, production lines, or your business, please contact us. You can find further offers on our website. Tours are possible by appointment. We look forward to your visit. Your Markus Hirsch Team

Condition: used, Year of construction: 1991, x-travel 6200 mm y-travel 1500 mm z-travel 508 mm Control Mazatrol type M 32 workpiece height 708 mm Tool changer 60 spindle taper ISO 50 table surface area 6200x750 mm The tech. Data are manufacturer or operator information and therefore non- binding. We reserve the right to prior sale; Our terms and conditions of sale Cjdpfsyqvdrsx Al Aohc apply exclusively. About us More than 400 of our own machines in stock Over 15,000 m² of storage space, 70 t crane capacity More than 10,000 items and accessories for your workshop If you are interested in selling machines, production lines, or your business, please contact us. You can find further offers on our website. Tours are possible by appointment. We look forward to your visit. Your Markus Hirsch Team

Condition: excellent (used), Year of construction: 2022, Turning diameter 376mm, turning length 760mm, bar capacity 76mm, Y axis -/+ 52.5mm, C axis 0.001 degrees on both spindles, 24 station turret, 22KW Motor, Main spindle 4000rpm, sub-spindle 4500rpm, Fanuc I series, Chedszt Spnjpfx Al Asc 3 jaw chucks, swarf conveyor, tool setter, LNS barfeed unit.

Condition: good (used), Year of construction: 2001, VICTOR V TURN 36 HYD 3 JAW CHUCK TAILSTOCK 2 AXIS 750 CENTRES Chodpfx Alezhwufe Aec SWARF CONVEYOR YEAR 2001

Condition: used, diameter / mm weight / kg Csdozcgf Rspfx Al Aehc Type / 0

Condition: excellent (used), Year of construction: 2003, operating hours: 8,000 h, functionality: fully functional, feed length X-axis: 3,500 mm, feed length Y-axis: 2,800 mm, feed length Z-axis: 1,500 mm, workpiece weight (max.): 35,000 kg, spindle motor power: 120,000 W, spindle speed (max.): 4,000 rpm, turning diameter: 4,000 mm, total height: 3,100 mm, rotational speed (max.): 180 rpm, workpiece diameter (max.): 4,000 mm, Equipment: documentation/manual, A STARRAG DORRIES 2VC2800/280MC-FC-V CONTUMAT High-Production 4/5 AXIS Vertical Turning Centre with Siemens 840D cnc This is not a machining centre with a turning table but a real high power, heavy duty vertical turning machine with the high power turning table on a massive base with guideways to provide a Y axis This configuration enables the machine to turn a round component to its maximum diameter and machine a square component to a similar dimension – and many more possibilities in between Cjdpey Uwg Rjfx Al Ashc If a DS CNC swivelling head would be purchased from DS this machine is ready for huge 5 axis work. For large precise and complex components in these industries this is the perfect ‘one stop’ machine Defence, Aero Engine, Nuclear, Turbines, Rail, Oil and Gas, Pumps, Gearboxes, Rockets etc. 12 month guarantee. PAYMENT PLAN AVAILABLE

Condition: excellent (used), Year of construction: 2002, functionality: fully functional, travel distance Z-axis: 1,500 mm, chuck outer diameter: 1,800 mm, spindle speed (max.): 315 rpm, turning diameter: 2,000 mm, turning height: 2,450 mm, rotational speed (max.): 3,000 rpm, year of last overhaul: 2026, FOR SALE – 12 MONTHS GUARANTEE – CE MARKED A DORRIES-SCHARMANN VCE2000/180MC-FC CONTUMAT Vertical Turning, Centre for high accuracy heavy cut turning, high precision heavy PCD drilling and continuous rotary milling Delivered in 2002. Condition: Excellent - see INTRO page CNC specification – high level Siemens 840D Hydrostatic crossrail and ram guideways. Cutting and positioning feed rates up to 18m/min A 9-STATION MAGAZINE is for turning toolheads & machining heads. These heads are picked up by the ram during cycle The turning and milling heads are fed by a KELCH DOUBLE GRIPPER TOOL CHANGER, as seen on most machining centres The tool changer collects the turning tools (CAPTO C8) and live spindle tools (SK50) from a WERO magazine The magazine as supplied with this machine originally has the capacity to hold 60 Capto C8 tools and 76 SK50 tools The KELCH toolchanger can change the tools in both vertical and horizontal working positions. This means, for example, that various SK50 tools can be fed into a right angle milling head while it remains on the ram MACHINE SALE POSSIBILITIES The machine specification will be finalized by the purchaser and VTT-WB New guarding will be supplied to match the final specification GUIDE PRICES A – machine without the pallet system but with the full tool changing and tool storage system. New guarding. CE marking 12 months full warranty, including 96% uptime guarantee and 12 months Preventive Maintenance Tool storage capacity can be reduced within this price £525,000 B – machine without the pallet system and toolchanging and storage system replaced with 30 pocket disc type magazine New guarding. CE marking 12 months full warranty, including 96% uptime guarantee and 12 months Preventive Maintenance £540,000 C – machine to original specification including full pallet system and full tool change system Chodpfx Aljy Uw Eme Aoc New guarding. CE marking 12 months full warranty, including 96% uptime guarantee on machine but excluding pallet and toolchange system £650,000

Condition: new, weight max. 1000 kg Cjdpfezhcgtex Al Ajhc workpiece diameter Ø 80 - 700 mm table turning speeds 80 - 1600 mm/min. roll diameter Ø 250 x 50 mm voltage 230 V / 50 Hz range L-W-H 500 x 300 x 384 mm Antrieb weight 85.0 kg range L-W-H 500 x 160 x 384 mm Mitläufer Description: - Device for rotating and positioning containers and cylindrical workpieces - Unit constructed of solid steel with polyurethane-coated metal rollers - Stepless speed control with DC drive system - Rotary knob for continuously adjustable rotation speed - Switch for clockwise/counterclockwise rotation - Foot switch for start/stop, - High-frequency protection Scope of delivery: - 1x drive unit with integrated control system - 1x rotating unit