Used Cemb Balancing Machine With Vertical Shaft for sale (69,047)

Condition: used, Year of construction: 2008, x-travel 1016 mm y-travel 660 mm z-travel 635 mm control Haas table surface area 1.372 x 610 mm table load 1.814 kg rapid traverse 18 m/min turning speed range 7.500 U/min power capacity - milling spindle 22,4 kW tool taper SK 50 | no. of tools in the magazine 30 Stück weight of the machine ca. 7,5 t dimensions 3,5 x 2,47 x 2,98 m Vertical Machining Center for spare parts Electric false - chipconveyor - external handwheel - Dual tool change arm - internal coolant - filter - Oil dust collector Csdpfxswvl Aio An Uorc

Condition: used, Year of construction: 2015, x-axis 1250 mm y-axis 840 mm z-axis 550 mm control Siemens 840D turning speed range - main spindle 12000 min/-1 drive capacity - main spindle 22,5 kW Torque max. 140 Nm Number of tools 24 St. max. tool length 320 mm spindle taper HSK 63 Number of working hours 56000 h spindle hours 17500 h Csdpfx Ajy Tbtlon Usrc weight of the machine ca. 9,7 t This machine can be viewed under power by appointment and is in our estimation in very good condition. Furnishing: - IKZ - chip conveyor - Glass measuring rods in all axes - automatic door - Swivel axis with counter bearing, Fibro There are 4 identical machines available. The machines were used for light countersinking and drilling work. Changes and errors in the technical data and information, as well Subject to prior sale!

Condition: excellent (used), Year of construction: 2010, operating hours: 13,362 h, functionality: fully functional, travel distance X-axis: 1,035 mm, travel distance Y-axis: 560 mm, travel distance Z-axis: 510 mm, rapid traverse X-axis: 30 m/min, rapid traverse Y-axis: 30 m/min, rapid traverse Z-axis: 30 m/min, feed length X-axis: 1,035 mm, feed length Y-axis: 560 mm, feed length Z-axis: 510 mm, nominal power (apparent): 17 kVA, torque: 83 Nm, controller manufacturer: Siemens 810D, total height: 2,758 mm, total length: 3,137 mm, total width: 3,355 mm, table width: 560 mm, table length: 1,200 mm, table load: 1,000 kg, overall weight: 4,250 kg, spindle speed (min.): 20 rpm, spindle speed (max.): 8,000 rpm, operating hours of spindle: 13,362 h, number of slots in tool magazine: 20, tool length: 300 mm, tool diameter: 80 mm, tool weight: 6,000 g, Equipment: chip conveyor, documentation/manual, rotational speed infinitely variable, - Year of manufacture: 2010 - Condition: good, used - Control: Siemens 810D - Table: 1200 x 560 mm - Travels: 1,035 x 560 x 510 mm - Spindle speeds: 20 - 8,000 rpm Crsdjyf Hymspfx An Ujc

Condition: used, Year of construction: 2012, We offer this used OMAG MOD. CONF. DIVA-5 OMAG STICK PACKAGING MACHINE mod. DIVA/5, year of construction 2012. Model: MOD. CONF. DIVA-5 Serial number: 2298 Year of manufacture: 2012 Accident protection guards compliant with with CE norms. Credpfx Anox Rw Hvj Uec Required electric power: three phase 220/380 V, 50 60 Hz. Required compressed air: 6 Atm. Frame in welded steel and painted with epoxy resin paint. Colour code: RAL 9006 (OMAG standard). If you have any questions or need more information, feel free to send us a message or give us a call.

Condition: used, Year of construction: 1986, pulling force - max. 6,3 t max. ram stroke 1000 mm Crodoy Ty Afjpfx An Usc max. workpiece diameter 400 mm groove width 6 mm total power requirement 2,9 kW weight of the machine ca. 1,5 t dimensions of the machine ca. 1x1x2,2 m

Condition: used, Year of construction: 2006, x-travel 630 mm y-travel 560 mm z-travel 560 mm table surface area 1000 x 600 mm spindle taper HSK 63 A spindle turning speed - stepless 18.000 U/min feeds x/y/z -stepless 0 - 30.000 mm/min rapid traverse 30 m/min no. of tools in magazin 2 x 12 workpiece diameter at full load 130 mm tool length - max. 315 mm weight of tools max. 8 kg internal coolant system feed 40 bar control HEIDENHAIN control MillPlus iT table load capacity max. 500 kg total power requirement 52 kVA weight of the machine ca. 6,5 t dimensions of machine L x W x H 3,40 x 1,86 x 2,42 m Credpfx Anjy Tyzue Uoc Accessories: probe HEIDENHAIN, TS 640; electron. handwheel, mech. vice (jaw width 160 mm), chip conveyor, coolant with bandfilter

Condition: ready for operation (used), Year of construction: 2006, functionality: fully functional, machine/vehicle number: AB0704, travel distance X-axis: 810 mm, travel distance Y-axis: 610 mm, travel distance Z-axis: 610 mm, rapid traverse X-axis: 810 m/min, rapid traverse Y-axis: 610 m/min, rapid traverse Z-axis: 610 m/min, controller manufacturer: Siemens, controller model: Sinumerik 810D, workpiece weight (max.): 1,000 kg, table load: 1,000 kg, rotational speed (min.): 8,000 rpm, rotational speed (max.): 8,000 rpm, overall weight: 5,000 kg, number of slots in tool magazine: 32, input voltage: 400 V, type of input current: three-phase, Equipment: CE marking, chip conveyor, rotational speed infinitely variable, The Spinner VC810 is a high-precision, German-made 3-axis CNC vertical machining center. Its rigid cast iron construction ensures stable and vibration-free machining. This reliable, European-made machine is specifically designed for complex milling and drilling operations in tool and machine manufacturing. It is used in custom manufacturing. Regularly maintained. The tool changer has one faulty spindle. Currently in production until the end of June 2026 (can be viewed in operation by prior arrangement). Net price. Cedpfey Uvr Ssx An Usrc

Condition: good (used), Year of construction: 2009, functionality: fully functional, travel distance X-axis: 730 mm, travel distance Y-axis: 400 mm, travel distance Z-axis: 360 mm, rapid traverse X-axis: 75 m/min, Axis travel: X = 730 mm Y = 400 mm Z = 360 mm Crsdpfsy U Hp Iex An Uoc Rapid traverse rate: 75 m/min Maximum spindle speed: 12,000 rpm (15 kW motor) Tool change time: 2.5 s (chip-to-chip) Serial number: 139-26 (2009) The machine is in good condition. Loading is included in the price. Key technical parameters are listed below. Siemens control system. The machine has 2 pallets.

Condition: good (used), Year of construction: 2002, machine/vehicle number: AV4C0039, functionality: fully functional, operating hours: 50,000 h, input voltage: 400 V, travel distance X-axis: 570 mm, travel distance Y-axis: 400 mm, travel distance Z-axis: 570 mm, number of slots in tool magazine: 32, overall weight: 7,600 kg, coolant supply: 15 bar, feed rate X-axis: 10,000 m/min, feed rate Y-axis: 10,000 m/min, feed rate Z-axis: 10,000 m/min, nominal power (apparent): 40 kVA, number of spindles: 1, rapid traverse Z-axis: 40 m/min, rapid traverse X-axis: 40 m/min, rapid traverse Y-axis: 32 m/min, rotary table diameter: 712 mm, spindle nose: DIN ISO40, spindle speed (max.): 8,000 rpm, table load: 300 kg, operating hours of spindle: 50,000 h, Equipment: documentation/manual, rotational speed infinitely variable, General Information • Manufacturer: DAEWOO • Model: ACE VC400 • Year of Manufacture: 2002 • CNC Control: FANUC 18M • Machine Type: Vertical CNC Machining Center with Twin Pallet System • Condition: Good working condition Technical Specifications Travels • X-Axis Travel: 560 mm • Y-Axis Travel: 400 mm • Z-Axis Travel: 510 mm Pallet System • Twin Pallet Changer (2 Pallets) • Pallet Size: 650 × 450 mm • Maximum Pallet Load: 300 kg Spindle • Spindle Taper: BT40 • Maximum Spindle Speed: 8,000 rpm • Main Drive Power: 11 kW Tool Changer • Automatic Tool Changer (ATC) • Tool Capacity: 30 Positions Equipment Included • FANUC 18M CNC Control • Twin Pallet Changer • Hydraulic Clamping System • Röhm Hydraulic Vises • Automatic Tool Changer • Coolant System • Central Lubrication System • Chip Conveyor • Electronic Handwheel (MPG) • Fully Enclosed Working Area Machine Condition The machine is in good working condition and has been used continuously in single-shift production. It is fully operational and can be inspected and tested under power. The machine is currently in production and demonstrates reliable performance in daily machining operations. Regular maintenance has been carried out throughout its service life. Advantages • Proven and reliable FANUC control system • Twin pallet system for increased productivity • Hydraulic clamping system with Röhm vises included • Suitable for milling, drilling and tapping operations • Ideal for steel, aluminum and cast iron machining • Immediate demonstration possible under power Availability The machine is available for inspection by appointment. Live machining demonstration and operational testing under power can be arranged for serious buyers. Additional photos, videos and technical information are available upon request. Crodpfxjvt Sgqe An Ujc

Condition: used, Year of construction: 2010, Technical details: swing diameter: 260 mm Credpfx Aotpq Uren Uoc control: 840 D SIEMENS turning speeds: 3.500 1/min spindle drive: 36 / 28 kW chucking diameter: 260 mm travel -x axis: 900 mm travel -z axis: 400 mm turret head: 12 Pos. tool holder: VDI 40 rapid power traverse in X-and Z direction: 100 / 30 m/min dimensions of the machine ca.: 5,3 x 2,4 x 3,31 m CNC vertical lathe with 2 spindles, 2x RÖHM power chucks dia. 315mm, *

Condition: new, Year of construction: 2021, Technical Specifications – kappa 400 / x-motion: Saw blade diameter: 250–400 mm Cutting height: max. 133 mm (at 90 degree) Saw blade tilting: 0 – 45 degree Speeds: 3500 / 4500 / 5500 rpm Motor power: 5.5 kW (7.5 HP) Motor voltage: 3x 400 Motor frequency: 50 Hz Sliding table length: Standard 2500 mm Cutting width: 800 mm"X-Roll" system: (maintenance-free, roller bearing guidance) Control system: x-motion CNC control, 3-axis control Control panel: 5.7” (145 mm) TFT touch colour screen Features: Maintenance-free tilting segments: "Easy-Glide" Dust extraction port: Ø 120 mm (bottom) / Ø 80 mm (top) Weight: approx. 900 kgs Codpfx Aey Nc Dken Usrc The machine is in new condition and never has been used at all.

Year of construction: 1987, condition: good (used), functionality: fully functional, machine/vehicle number: RMUW2258, Horizontal balancing machine, manufacturer: SCHENK, type: H30, year of manufacture: 1987, serial number: AHE1070, rotor weight: 3-320 kg, rotor diameter: max. 1,260 mm, journal diameter: 10-160 mm, speed infinitely adjustable. Control system: CAB 820, year of manufacture: 2021, serial number: RMUW2258. Crodpfx Anoy S Tyne Uoc

Condition: good (used), Year of construction: 1995, travel distance X-axis: 1,000 mm, travel distance Y-axis: 600 mm, travel distance Z-axis: 600 mm, x-travel 1000 mm y-travel 600 mm z-travel 600 mm Control: Heidenhain TNC 426 Spindle nose: 100–700 mm Work table: 1,080 x 580 mm Max. workpiece weight: 550 kg T-slots: 7 pcs. T-slot width: 14 mm Cjdpfxoza Dq Ee An Ujrc Tool magazine with 36 positions Max. tool weight: 8 kg Max. tool length: 340 mm Machine weight approx. 6.2 t Space requirement approx. 4,790 x 5,330 x 2,905 mm

Condition: good (used), Year of construction: 1999, travel distance X-axis: 2,000 mm, travel distance Y-axis: 500 mm, travel distance Z-axis: 500 mm, X travel: 2000 mm Y travel: 500 mm Z travel: 500 mm Control: Siemens 840 D Feed rate – fine adjustment: 1-8000 mm/min Table size: 2120 x 500 mm Table load: 2000 kp Rapid traverse X-axis: 40 m/min Rapid traverse Z-axis: 20 m/min Tool holder: HSK 63 A Spindle speeds – stepless: 0-15000 rpm Spindle drive: 20 kW Spindle bearing diameter: 70 mm Cjdpfxoza Dqrj An Ujrc Tool diameter: 63 /126 mm Tool magazine: 40 pcs Weight: 12 t Total power requirement: 65 kVA - Equipment: chip conveyor

Condition: used, Year of construction: 1996, x-travel 1500 mm y-travel 650 mm z-travel 650 mm size of pallet 1740 x 650 mm spindle taper SK 50 Crodpjyg N Shofx An Uoc spindle turning speed range 25 - 6000 U/min feeds longditudinal/cross/vertical max. 8 mm/min rapid traverse longitudinal and cross 26 m/min rapid traverse vertical 20 m/min spindle throat 665 mm distance spindle nose and table 200 / 850 mm drilling in full material 50 mmø threading M 45 ATC 60 Pos tool diameter 125 mm wotkpiece diameter with 2 vacant positions 260 mm workpiece length 400 mm weight of tools max. 20 kg spindle drive 18,5 kW control MAZATROL M PLUS Accessories: chip conveyor, coolant

Condition: excellent (used), Year of construction: 1998, functionality: fully functional, travel distance X-axis: 1,000 mm, travel distance Y-axis: 500 mm, travel distance Z-axis: 500 mm, controller manufacturer: Heidenhain, controller model: TNC 426/430 PB, total height: 2,600 mm, total length: 3,000 mm, total width: 2,200 mm, table width: 490 mm, table length: 1,150 mm, overall weight: 4,200 kg, spindle speed (max.): 8,000 rpm, number of slots in tool magazine: 22, tool diameter: 40 mm, Equipment: chip conveyor, documentation/manual, Tool Standard is BT-40. chip conveyor included. Crsdezawgmspfx An Usc Measuring probe: Heidenhain, included Tool setter: Renishaw, included

Condition: used, Year of construction: 2013, x-travel 600 mm y-travel 530 mm z-travel 510 mm Control M 730 BM MAPPS IV max. spindle speed 10.000 min/-1 power capacity - main spindel 15 / 11 kW tool taper SK 40 transmission ratio 1 spindle diameter in front bearing 80 mm table surface area 900 x 600 mm max. table load 800 kg T-slots 6x 18 x 100 mm Credpfxsx R Enbe An Uoc distance spindle /table 150 - 660 mm number of toolpositions 30 pos. tool taper SK 40 max. tool diameter 80 mm max. tool-dia with free toolbox 150 mm max. tool length 300 mm max. tool weight 8,0 kg change-time tool to tool ca. 1,3 sec change-time chip to chip ca. 3,45 sec rapid traverse ( X / Y / Z ) 30 m/min feed speeds 1 - 30.000 mm/min Tipp feed 0 - 5.000 : 20 mm/min total power requirement 30 kVA weight of the machine ca. 6,0 t dimensions of the machine ca. 4,5 x 3,5 x 2,7 m CNC - Machining Center Vertical MORI SEIKI - NVX 5060 II / 40

Condition: used, Year of construction: 2007, x-travel 885 mm y-travel 600 mm z-travel 600 mm control iTNC 530 Heidenhain Max. rpm 1 - 28.000 min/-1 power capacity - main spindel 35 / 25 kW max. Torque 119 / 85 Nm tool taper HSK A63 Swivel range milling spindle B: -10° / +110° ° spindle bearing diameter 80 mm table diameter 750 mm rotation range C: 360 ° rotary speed max. 100 min/-1 max. table load 600 kg feed speeds 1 - 90.000 mm/min rapid traverse 90 m/min Feed force X/Y: 13,8 kN Feed force Z: 10,35 kN number of toolpositions 30 pos. Csdjtqmpijpfx An Usrc max. tool diameter 80 mm max. tool-dia with free toolbox 140 mm max. tool length 300 mm max. tool weight 10 kg max. workpiece height 460 mm Max. Workpiece Area ca. 750 x 600 mm passage max. 600 mm total power requirement 60 kVA weight of the machine ca. 12 t dimensions of the machine ca. 4,5 x 4,5 x 3,0 m CNC-Machining Center Vertical DECKEL MAHO - DMC 75 V linear - 5-Axis-Machining - NEW SPINDLE from 12/2022 ! - Swiveling Milling Spindle (-10° / 110°) - Rotary Table 360° - extensive tool package - only approx. 900 spindle hours (after exchange) - WITHOUT clamping devices, WITHOUT exhaust!

Condition: used, Year of construction: 2002, x-travel 2.200 mm y-travel 560 mm z-travel 720 mm control 840 D Powerline ShopMill Siemens Main spindle: turning speed range - main spindle 20 - 12.000 min/-1 power capacity - main spindel 35 / 25 kW max. Torque 130 / 87 Nm tool taper SK 40 internal coolant system feed 40 bar work table: table surface area 2.600 x 600 mm max. table load 2.200 kg number of T-slots 6 T-slot - width 18 H7 mm T-slot - distance 100 mm Tool-Presetter: number of toolpositions 30 pos. max. tool length 300 mm max. tool weight 6 kg max. tool diameter 80 / 125 mm feeds: feed speeds 20.000 mm/min input unit 0,01 mm rapid traverse ( X / Y / Z ) 100 / 50 / 50 m/min measuring system Resolution 0,001 mm total power requirement 60 kVA weight of the machine ca. 12,5 t Codstqmr Ropfx An Uorc dimensions of the machine ca. 6,0 x 3,7 x 2,9 m CNC - Machining Center Vertical DECKEL MAHO - DMF 220 linear - from individual part production (aluminium, brass and stainless steel) - incl. workroom wall - M26 function (switching to blown air through spindle center) - new ball screw Z-axis incl. bearing (April 2015) - new milling spindle (2016) - Spindle hours: ca. 11,966 h - WITHOUT vices

Condition: used, Year of construction: 2007, x-travel 635 mm y-travel 510 mm z-travel 460 mm control iTNC 530 Heidenhain power capacity - main spindel 13 / 9 kW turning speed range - main spindle 20 - 10.000 min/-1 Torque 83 / 57 Nm tool taper SK 40 tension force 10 kN table surface area 790 x 560 mm number of T-slots 4 + 1 T-slot - width 4 x 14H12 / 1 x 14H7 mm T-slot - distance 100 mm max. table load 600 kg table height over floor 720 mm number of toolpositions 30 pos. max. tool diameter 80 mm max. tool-dia with free toolbox 130 mm max. tool length 300 mm max. tool weight 6 kg Total weight, approx. max. 60 kg feed speeds max. 20.000 mm/min Feed force 5 kN input unit 0,01 mm rapid traverse 30 m/min total power requirement 20 kVA weight of the machine ca. 4,1 t Codpfx Aoyaci Hsn Uerc dimensions of the machine ca. 4,5 x 4,0 x 2,8 m CNC-Machining Center Vertikal DECKEL MAHO - DMC 635 V - Spindle-Runtime only approx. 7.883h - Power-On approx. 23.023h

Condition: used, Year of construction: 2006, x-travel 800 mm y-travel 530 mm z-travel 510 mm Control MSC 504 Mori Seiki turning speeds max. 10.000 min/-1 power capacity - main spindel 15 / 11 kW tool taper SK 40 spindle bearing diameter 70 mm distance spindle /table 150 - 660 mm table surface area 1.100 x 600 mm max. table load 800 kg T-slots 6x 18 mm table height over floor 900 mm Crsdpfxox R Emwo An Uec number of toolpositions 30 pos. tool taper SK 40 max. tool diameter 80 mm max. tool-dia with free toolbox 125 mm max. tool length 300 mm max. tool weight 8,0 kg change-time tool to tool 1,3 sec change-time chip to chip 4,1 - max. 9,2 sec rapid traverse ( X / Y / Z ) 36 / 36 / 20 m/min feed speeds max. 6.000 mm/min Tipp feed 1 - 5.000 mm/min total power requirement 27 kVA weight of the machine ca. 6,1 t dimensions of the machine ca. 3,5 x 3,0 x 2,8 m CNC - Machiningcenter Vertical MORI SEIKI - DuraVertical 5080 -038

Condition: used, Year of construction: 2011, x-travel 835 mm y-travel 510 mm z-travel 510 mm distance spindle nose and table 120 - 630 mm control iTNC 530 ERGOLine Heidenhain turning speed range - main spindle 20 - 10.000 min/-1 power capacity - main spindel 13 / 9 kW tool taper SK 40 DIN 69871 max. Torque 130 / 87 Nm table surface area 1.000 x 560 mm Credpfx Aex R Em Djn Ujc max. table load 800 kg number of T-slots 5 T-slot - width 14 mm T-slot - distance 100 mm number of toolpositions 20 pos. max. tool diameter 80 mm max. tool-dia with free toolbox 130 mm max. tool length 250 mm max. tool weight 6,0 kg rapid traverse ( X / Y / Z ) 30 m/min feed speeds 1 - 20.000 mm/min total power requirement 23 kVA weight of the machine ca. 4,0 t dimensions of the machine ca. 4,5 x 3,5 x 2,7 m CNC - MachiningCenter Vertical DECKEL MAHO - DMC 835 V New Design - 20,796h operating hours, 7,544h spindle hours

Condition: used, Year of construction: 2007, x-travel 1.035 mm y-travel 560 mm z-travel 510 mm control iTNC 530 Heidenhain turning speed range - main spindle 20 - 10.000 min/-1 power capacity - main spindel 13 / 9 kW max. Torque 83 / 57 Nm tool taper SK 40 DIN 69871 table surface area 1.200 x 560 mm max. table load 1.000 kg table height over floor 720 mm number of toolpositions 30 pos. max. tool diameter 80 mm max. tool-dia with free toolbox 130 mm max. tool length 300 mm change time 1,6 sec change-time chip to chip 7,0 sec feed speeds 20.000 mm/min rapid traverse 30 m/min Feed force 5 kN total power requirement 20 kVA weight of the machine ca. 4,5 t dimensions of the machine ca. 3,0 x 3,0 x 2,8 m CNC - Machining Center Vertical Crodjx R Em Repfx An Uoc DECKEL MAHO - DMC 1035 V - 28,796h operating hours, 11,512h spindle hours

Condition: used, Year of construction: 2001, swing diameter max. 450 mm chucking diameter 400 mm control Siemens 840D (Index) Max. rpm 4.200 min/-1 power capacity - main spindel ( 35,5 / 56 ) kW max. Torque ( 340 / 550 ) Nm C-Axis 0,001 ° number of toolpositions 2x 12 pos driven statition 2x 12 pos worktool system VDI 30 max. spindle speed driven tools 6.000 U/min. power capacity - driven tools 9,5 kW max. Torque 40%: 19 Nm Y - Axis +/- 90 mm B-Axis +270° / -90 ° x-axis 730 mm z-axis 340 mm y-axis +/- 90 mm b-axis +270° / -90 ° rapid traverse X: 40 / Z: 30 m/min numbers of pallets 24 pos. size of pallet 410 x 300 mm max. workpiecediameter 300 mm max. workpiece weight incl. Pallet: 25 kg Chain width 75 mm band speed 7,5 m/min total power requirement 56 kW weight of the machine ca. 9,0 t dimensions of the machine ca. 8,5 x 6,0 x 2,7 m CNC - Vertical Lathe INDEX - V 300 Y/B - incl. 24 pos. palett changing system Schnaithmann - incl. ball screw as spare part - incl. 39x driven tools - incl. 39x tool holders Csdpjyq Sk Ijfx An Ujrc

Condition: used, Year of construction: 2013, x-travel 1.135 mm y-travel 1.050 mm z-travel 750 mm control iTNC 530 Heidenhain turning speed range - main spindle max. 14.000 min/-1 power capacity - main spindel 19 kW max. Torque 100 Nm tool taper HSK-A 63 table surface area 1.400 x 1.050 mm max. table load 2.500 kg max. workpiece sizes 1.400 x 1.240 mm max. workpiece height 750 mm number of toolpositions 30 pos. tool taper HSK-A 63 max. tool diameter 80 mm max. tool-dia with free toolbox 160 mm max. tool length 365 / 395 mm max. tool weight 8,0 kg change-time chip to chip 6,1 sec feed speeds max. 40.000 mm/min rapid traverse 40 m/min Accelaration 6 m/s² Feed force ( X / Y / Z ) 14 / 20 / 14 kN total power requirement 44 kVA weight of the machine ca. 14,4 t dimensions of the machine ca. 6,0 x 5,0 x 3,3 m CNC - MachiningCenter Vertical DMG MORI SEIKI - DMU 105 monoBLOCK - Spindle hours: approx. 9,518 h - Production package: (Chip conveyor, 600 l coolant system, paper belt filter, internal coolant supply 40 bar / 23 l/min through spindle center) Crjdoyztyaepfx An Uoc - Air Clear: Air curtain for viewing window