Used Air Tapping Machine for sale (107,523)

Year of construction: 2025, condition: new, Our heavy-duty hammer mill is engineered for efficient crushing and high-capacity processing. Built with durable steel construction and optimized rotor design, it ensures outstanding performance with low energy consumption. We offer custom manufacturing options depending on your required capacity, material hardness, and application. For detailed pricing, technical specifications, or bulk orders, feel free to send us a message. We provide fast production, reliable customer support, and worldwide shipping. Dwjdpfxexy Agqe Ab Tof

Condition: good (used), Year of construction: 2015, operating hours: 250 h, functionality: fully functional, For Sale: Guideway Grinding Machine (Retrofitted from Metal Planing Machine) We offer a robust guideway grinding machine, which has been professionally converted from an original metal planing machine. The main advantage lies in its relatively compact footprint in relation to the workpiece capacity. Technical Specifications: • External dimensions (LxWxH): 4,800 x 2,500 x 2,000 mm • Required floor space: 4,800 x 3,500 x 2,700 mm (+ control cabinet, coolant tank, access) • Table size: 2,000 x 800 mm • Distance between columns: 1,000 mm • Travel paths (X/Y/Z): 2,000 / 1,000 / 600 mm Upgrades & Features: • New ball screw spindles and bearings • 2 new motors + 2 overhauled motors • 3 new frequency inverters • New Siemens SINUMERIK 802C baseline CNC system • Large grinding spindle: 2,840 rpm – refurbished + new motor • Small grinding spindle: 18,000 rpm – refurbished • Including control cabinet, coolant tank with pump, and separate, wall-mounted inverter for small spindle Inspection and trial run possible by appointment. Please contact us for more information. Dwsdexx Uudspfx Ab Tjf

Condition: new, Year of construction: 2025, functionality: fully functional, CNC machining center NESTING with fully automatic loading and unloading As with all Nesting machines: various sizes, line drilling, Becker vacuum pumps, CadCam Nesting software, CNC controller, remote control, servodrive, etc. The best machine is the one that fits your company. Dwedpfoxx Uc Usx Ab Tjf Specify which configuration you require. We guarantee reliability (see the photos) Prices starting from €85,000 – New machines You can call or WhatsApp us for more information and/or to make an appointment. WhatsApp: We handle transport, customs clearance, and delivery to your location. Machine instruction – extra warranty – 7/24 support

Condition: new, Year of construction: 2024, functionality: fully functional, machine/vehicle number: SPR210, The SPR-210 semi-automatic flat labeling machine is suitable for labeling products with flat surfaces, such as paper boxes, plastic bags, bottle caps, pouches, and other packaging. The machine is widely used in industries such as food processing, cosmetics, medicine, electronics, office supplies, and others. For the following product sizes: Length: 20 mm - 500 mm Dwodpfswixtzex Ab Tsf Width: 40 mm - 400 mm Height: 10 mm - 300 mm

Condition: new, Year of construction: 2025, -TFON Leveltech® Leveling Machine -The TFON Leveltech® is a robust and precise leveling machine designed to handle a wide range of material thicknesses with efficiency and ease. Engineered for reliability and performance, it ensures flat, smooth surfaces on metal sheets and strips to meet stringent quality standards Key Specifications: -Material Thickness: 1 mm – 30 mm Dwedpfx Abskyrphe Tjf -Maximum Material Width: 1,600 mm -Minimum Material Length: 145 mm -Quick Change System for Straightening Rollers: Standard -Flattening Gap Adjustment: Servo Hydraulic with PLC Control. -Machine Dimensions (L × W × H): 5,465 × 6,735 × 2,300 mm. -Total Weight: 40.000 kg

Condition: used, Year of construction: 2019, functionality: fully functional, feed length X-axis: 787 mm, feed length Y-axis: 500 mm, feed length Z-axis: 500 mm, spindle speed (max.): 5,000 rpm, workpiece weight (max.): 600 kg, The machine is in good technical condition, connected to power and can be tested. Dedpfx Absxxtmfj Tjwf

Year of construction: 1998, condition: good (used), CHEVALIER FSG 1640 AD SURFACE GRINDING MACHINE MAKE CHEVALIER, MADE IN TAIWAN MODEL FSG-1640 AD YEAR 1998 Dwjdpfx Aeirfpgeb Tef TABLE SIZE 1000 x 400 mm GRINDING WHEEL SIZE 445 mm TRAVERSES 400 x 1000 mm MAX HEIGHT FROM TABLE TO SPINDLE CENTRE 445.0 mm TOTAL POWER REQUIRMENT 7.4 kW PLUS AUTOMATIC DOWN FEED WHEEL-MOUNTED WHEEL DRESSER SYSTEM HYDRAULIC MOVEMENT COOLANT SYSTEM 400.0 x 1000.0 mm ELECTRO MAGNETIC CHUCK MACHINE MANUALS

Condition: excellent (used), Year of construction: 2017, XYZ 2000 Turret Milling Machine (2017) (Ex College) 3 Axis Newhall DRO (X, Y & Knee) Spindle Taper R8 Spindle speeds to 500 – 4200 rev/min Table Size 1270 x 254mm Table Travel: X - 812mm Y - 406mm Knee Travel: Z - 406mm Dwsdexxb Rropfx Ab Tof Quill Travel Z - 127mm For sale with Jet Machinery Ltd Jet Machinery Stock No: #79047 Machine Serial Number: 12907 Cost: £9,950.00 + VAT Whilst every effort has been made to ensure that the above information is accurate it is not guaranteed. We advise prospective purchasers to check any vital details. Health and Safety At Work Act 1974: It is not reasonably practical for ourselves as suppliers to ensure that for your application the goods comply with requirements of the Act with respect to guarding etc. Prospective purchasers should ensure that a guarding specialist inspect the goods prior to use.

Condition: new, Year of construction: 2025, functionality: fully functional, travel distance X-axis: 3,050 mm, travel distance Y-axis: 1,220 mm, travel distance Z-axis: 100 mm, rapid traverse X-axis: 60 m/min, rapid traverse Y-axis: 60 m/min, rapid traverse Z-axis: 25 m/min, number of spindles: 16, input voltage: 400 V, type of input current: three-phase, Equipment: chip conveyor, documentation/manual, rotational speed infinitely variable, Numerical Pegasus-Cad software Working area in X - 3050mm Working area in Y - 1220mm 2 working zones Lifting feed table, stackable Automatic loading system, Schmalz type Label printing system with automatic application on the loading table ATC 3-axis vertical electrospindle, 13.2 kW, with automatic tool changer, ISO 30 Automatic tool change system with 16 positions - positioned at the rear of the machine Automatic tool change system, carousel for fast changeovers Automatic unloading system with motorized conveyor belt Djdpfx Ajxx T R Dsb Towf Automatic worktable cleaning system Protection and safety system with light curtain and fencing Automatic lubrication system 250 m3/h - 5.5 kW vacuum pump Contact by phone: 0031634707163 Transport, installation, and user training negotiable Danmar Machines BV Almelo

Condition: as good as new (ex-display), We have two identical units, these were designed to blow the water off pouches and ready meal trays which had been through retorts. Could be used to remove water from other wet packed products. Bought new in 2016 and only used for trials. Dsdpfxou Infco Ab Tswf

Condition: new, Year of construction: 2025, -TFON Leveltech® Leveling Machine Series -Model: L-9060. -Material Thickness: 1.0 mm – 30.0 mm -Maximum Material Width: 600 mm -Minimum Material Length: 145 mm -Flattening Gap Adjustment: Servo Hydraulic / PLC Controlled Overload Protection: Standard Machine Weight: 26.000 kg. Machine Dimensions (L × W × H): 4,400 × 7,185 × 2,260 mm Model: L-9011 Material Thickness: 1.0 mm – 30.0 mm. Maximum Material Width: 1,100 mm. Minimum Material Length: 145 mm Flattening Gap Adjustment: Servo Hydraulic / PLC Controlled Overload Protection: Standard Machine Weight: 31.000 kg Machine Dimensions (L × W × H): 4,600 × 7,185 × 2,260 mm Model: L-9013 Material Thickness: 1.0 mm –30.0 mm Maximum Material Width: 1,300 mm Minimum Material Length: 145 mm Flattening Gap Adjustment: Servo Hydraulic / PLC Controlled Overload Protection: Standard Machine Weight: 35,000 kg Machine Dimensions (L × W × H): 5,000 × 7,185 × 2,260 mm Model: L-9016 Material Thickness: 1.0 mm –30.0 mm Maximum Material Width: 1,500 mm Minimum Material Length: 145 mm Flattening Gap Adjustment: Servo Hydraulic / PLC Controlled. Overload Protection: Standard Machine Weight: 40.000 kg Machine Dimensions (L × W × H): 5,200 × 7,185 × 2,260 mm Model: L-9020 Material Thickness: 1.0 mm –30.0 mm Maximum Material Width: 2,000 mm Dsdehwb U Tepfx Ab Tswf Minimum Material Length: 145 mm Flattening Gap Adjustment: Servo Hydraulic / PLC Controlled. Overload Protection: Standard Machine Dimensions (L × W × H): 5,700 × 7,185 × 2,260 mm.

Condition: used, Year of construction: 2020, functionality: fully functional, cooling capacity: 51.8 kW (70.43 HP), type of cooling: air, overall weight: 277 kg, total width: 1,000 mm, total length: 3,480 mm, total height: 1,270 mm, warranty duration: 6 months, Air Cooler GUNTNER GACV FP 080 1JF 1A 40 A 51.8 KW Cooling capacity: 51.8 kW / 14.73 tons (10/16 — +22°C) Year of manufacture: 2020 Options: Drainage pump. Streamer Fluid: Glycol Air flow: 16769 m³/h Fluid flow: 8.1 m³/h Number of fans: 1 pcs. Fan Diameter: 895 mm External surface: 239.8 m² Dimensions: 3.48 x 1 x 1.27 m. Dodoxwvx Uopfx Ab Tjwf Weight: 277 kg.

Condition: new, Year of construction: 2024, This tube cutter is suitable for cutting various types of paper tubes. It can automatically cut the long paper tubes produced into several shorter ones according to demand without flattening the thin tubes. Fast pipe discharge speed, high efficiency, smooth cutting surface, no rough edge, light and easy operation, low energy consumption. The machine adopts servo drive, PLC control, CNC touch screen, the system is equipped with compensation system, making the cutting more accurate. This machine adopts fixed knife to cut, the paper tube turns when cutting, the die blade does not move, effectively protect the blade and die, extend the service life of the machine. The size of pipe cutting mould can be adjusted according to customer's requirement. It is easy and quick to replace the mould. The machine can be customized according to the paper tube to meet the needs of the customer site. Dedportnnysfx Ab Tjwf Specification Paper tube length - 10-1000 mm Paper tube diameter - Ø20-200 mm Paper tube thickness - 1-20 mm Number of cutter - 1 piece Minimum cut length - 10 mm Cutting Mode - Paper tube turn Feed way - pneumatic (0.4MPa) Operator - 1 person Speed control - servo motor Main motor - 2.2kw Servo motor - 1.5kw Voltage - 380v, 50hz Dimension - 1900*850*1250mm Cutter specifications - Ф83*Ф32*1.2 Weight - 700kg

Condition: excellent (used), Year of construction: 1996, Compair Cyclon 6000N screw compressor 75kw power: 75 Kw air transport : 12.9 /min :774 m3/h pressure: 8 bars voltage: 400v 50Hz 3 phase Construction of year: 1996 hours:51000h weight: 1800 kg Size: length: 2100mm width: 1700mm Height: 1510mm If you need more information. We are here to help! Please contact us using the contact form or give us a call Dwsdpfx Aoh Unhnsb Tsf Your ad has been automatically translated. Translation errors are possible.

Year of construction: 2025, condition: new, functionality: fully functional, High Speed · High Precision · High Stability The VS series high-speed laser tube cutter for small pipes has arrived! This machine features a high-precision chuck system designed specifically for tube cutting. With excellent sealing and dust protection, it delivers clamping accuracy within ≤0.1mm ideal for ultra-precise small tube processing. Dwsdpfx Aewwzudjb Tsf The chuck rotates up to 160 RPM, with acceleration reaching 1.5G, easily enabling high-efficiency processing of small-diameter tubes. easily enabling high-efficiency processing of small-diameter tubes. it supports true ultra-short tail cutting saving cost from the very beginning. Available in 3000W and 6000W, Handles square and round tubes from 10mm to 120mm in diameter, Also capable of cutting angle steel, channel steel, and I-beams A true all-rounder for small pipe fabrication. Supports automatic or semi-automatic loading Effortlessly enables smart and automated processing. One machine replaces three workers — A powerful and efficient tool for small pipe manufacturing!

Condition: used, Year of construction: 2022, operating hours: 1,069 h, machine/vehicle number: 132117, Good day. For sale is a Nordair Premium ZTP 1305 SD compressor. The compressor is in good used condition and has 1,069 operating hours. Free air delivery: 1.305 m³/min Operating pressure: 10 bar Motor speed: 1,125 rpm Motor power: 7.5 kW Djdpfx Abexvqplo Tswf

Condition: new, Year of construction: 2025, *TFON Leveltech® Leveling Machine Series -Models: M-5560, M-5511, M-5513, M-5516 -Engineered for precise leveling of materials with a thickness range from 1.0 mm to 15.0 mm, these models offer flexibility in material width and advanced control features for optimal performance -Material Thickness: 1.0 mm – 15.0 mm -Maximum Material Width: M-5560: 600 mm. M-5511: 1.100 mm. M-5513: 1,300 mm. M-5516: 1,500 mm. Dwjdpshwb Uwofx Ab Tjf Minimum Material Length: 110 mm Flattening Gap Adjustment: Servo Hydraulic / PLC Controlled Machine Weight: M-5560: 12.000 kg M-5511: 15.000 kg M-5513: 18,000 kg M-5516: 19.000 kg Machine Dimensions (L × W × H): M-5560: 2,800 × 2,905 × 1,950 mm M-5511: 3,300 × 2,905 × 1,950 mm M-5513: 3,500 × 2,905 × 1,950 mm M-5516: 3,700 × 2,905 × 1,950 mm

Condition: used, Year of construction: 2010, functionality: fully functional, cooling capacity: 53 kW (72.06 HP), type of cooling: air, overall weight: 660 kg, total width: 1,200 mm, total length: 4,800 mm, total height: 1,650 mm, warranty duration: 6 months, AIR COOLER (GLYCOL) PROFROID EVAP. MI 427 53 KW Cooling capacity; 53 kW / 15.07 tons Dodpoxwvvtefx Ab Tewf Year of manufacture: 2010 Fluid: Glycol Air flow: 46000 m³/h Number of fans: 4 pcs. Fan Diameter: 762 mm Volume: 100 dm³ External surface: 369 m² Dimensions: 4.8 x 1.2 x 1.65 m. Weight: 660 kg.

Condition: new, functionality: fully functional, Year of construction: 2024, operating hours: 100 h, total length: 2,000 mm, total width: 2,450 mm, total height: 2,350 mm, input voltage: 400 V, control voltage: 24 V, type of input current: AC, We are offering 3 units of brand-new cartoning machines, manufactured in Slovenia. The machines were used only during the testing phase and are in perfect condition. - Brand-new, only used for production test runs Djdpfx Aexvpa Aeb Tewf - Includes manufacturer’s warranty (12 months, can be extended to 24 months) - Complete technical and user documentation - Made in Slovenia using standard industrial components - All critical parts are of European origin - Robust and easy-to-maintain design Technical details: - Dimensions: 2000 x 2450 x 2350 mm - Pneumatics: SMC - Max. pressure: 6 bar - Working pressure: 5 bar - Installed power: 5 kW, 20 A - Supply voltage: 3 x 400 V AC, 50 Hz - Control voltage: 24 V DC - Servo motors: Siemens - Control unit: Siemens S7-1500 - HMI: Siemens HMI Specification of boxes: - Method of loading unformed boxes: manual - Method of box forming: automatic - Machine operation: semi-automatic - Max. speed of box forming: 6-8 boxes/min - Max length of a box a_max: 600 mm - Max width of a box b_max: 400 mm - Max height of a box h_max: 350 mm - Min length of a box a_max: 300 mm - Min width of a box b_max: 250 mm - Min height of a box h_max: 125 mm NOTE 1: a+b < 1000 mm, b+h < 600 mm Currently, the machine can produce boxes in three different widths (b): 250 mm, 290 mm, and 390 mm. The length (a) and height (h) can be arbitrary, but must comply with the conditions specified in Note 1. Price is per unit.

Year of construction: 2017, condition: excellent (used), Bluhm weber legi-air 4050 labeling machine More pieces in stock! year built: 2016-19 Print resolution Dsdpfx Absfp A I Ee Tewf 8 dots/mm (203 dpi) 12 dots/mm (300 dpi) 24 dots/mm (600 dpi) Print speed Up to 400 mm per second Tamp sizes (mm) Tamp-Blow standard of 12.5 x 7 to 160 x 300 mm, label lengths must be limited in accordance with label quality, longer or smaller labels are possible using special tamps Label gap Minimum 3 mm Label roll 300 mm diameter, up to 450 running meters, core 76 mm (3"), outside winding (optional inside winding) Data interfaces RS232, RS422, RS485, Ethernet Optional: Profibus Dimensions (L x H x W) 770 x 560 x 580 mm, Applies to system with 250 mm stroke Display controller Multi-language operator guidance 5.7" VGA touch display Service interval indicator Polling, editing and saving of label data USB connection for memory medium or keyboard Compressed air connection 6 bar, the compressed air must be clean, dry and oil-free

Condition: new, functionality: fully functional, Year of construction: 2025, control type: CNC control, laser type: fiber laser, laser power: 3,000 W, Equipment: CE marking, centralized greasing system, cooling unit, documentation/manual, dust extraction, emergency stop, fume extraction, nozzle changer, safety light barrier, Type: Two chucks Groove function: Standard Power range: 3KW, 6KW Round tube processing range: 10mm~160mm Square tube processing range: 10mm~160mm Dodpfx Aewwz Dlob Tswf Chuck maximum speed: 130r/min Machine weight: 3T Power specification: 380VAC, 50Hz Optional loading rack: G16pro-automatic loading, G16pro-semi-automatic loading Optional unloading rack: servo unloading rack, cylinder unloading rack Standard: System 3000DE-DH, including nesting, supports servo, dustproof (Y axis), dustproof (X axis), dustproof (Z axis), rear card hollow dust removal, short tail material Optional: safety fence (light curtain), radiation-proof glass

Condition: excellent (used), functionality: fully functional, Year of construction: 2020, roller diameter: 60 mm, working width: 1,050 mm, sheet thickness (max.): 1 mm, roll metal bending machine Isitan 1050 X 1.2mm Manual 3 roll Bending Machine, excellent condition for sale manufacturer: Isitan 1050X1.2 max sheet width: 1050mm Dodpfjwk Rlxex Ab Towf max sheet thickness: 1.2 mm Wire grooves at the ends of the rollers Conical bender roller diameter: 60mm Upper roller removable for easy workpiece removal machine dimensions: length: 130cm height: 100cm width: 65cm weight: 240kg

Condition: new, functionality: fully functional, Year of construction: 2025, laser power: 6,000 W, travel distance X-axis: 3,030 mm, travel distance Y-axis: 1,520 mm, travel distance Z-axis: 310 mm, total length: 9,500 mm, total width: 4,500 mm, total height: 2,050 mm, Equipment: CE marking, centralized greasing system, cooling unit, dust extraction, emergency stop, fume extraction, nozzle changer, safety light barrier, VS-3015CE 6KW FIber Laser Sheet Cutting Machine Working area (mm) : 3000×1500 Dwedpsv Ngraofx Ab Tef X axis travel distance (mm): 1520 Y axis travel distance (mm): 3030 Z axis travel distance (mm)： 310 X/Y axis positioning accuracy ： ≤0.03mm\m X/Y axis repeat positioning accuracy： ≤±0.02mm Max. synthetic positioning speed: 150m\min Max. acceleration: 2G Double-sided control panel, adaptive multi-angle placement, simple disassembly, and can fit into a standard 40HQ container. Industrial-grade special air conditioner, constant temperature and humidity for stable performance. Automatic grease and oil injection system, intelligent air pressure monitoring device, and anti-collision detection device provide intelligent protection.

Condition: new, functionality: fully functional, Year of construction: 2025, laser power: 1,500 W, positioning speed: 80 m/min, repeat accuracy: 0.03 mm, input frequency: 50 Hz, warranty duration: 24 months, working range: 6,000 mm, Equipment: cooling unit, safety light barrier, G-12A HIGH SPEED PROFESSIONAL TUBE LASER CUTTING MACHINE 1500-3000W The G series is equipped with many high-quality components with extreme performance and powerful cutting functions,suitable for tube cutting of various types and diameters ● The Highest Standards of Chucks in the Industry ● Two Methods for Fewer-tailing Cutting ● Variable Diameter Wheel Supporting ● Automatic Unloading Device ● Super Dust Removal System ● Patented Dust Baffle ● High-strength Cage Structure Welded Machine Bed Technical Parameter: Power: 1500W-3000W Maximum Tube Processing Size: 6000mm*φ120mm Max. Rotating Speed of Chucks: 160r/min X/Y-axis Positioning Accuracy≤0.05mm X/Y-axis Repositioning Accuracy≤±0.03mm Maximum positioning speed: 80m/min Max. Acceleration: 1.5G Round Tube Processing Dim: Φ10mm-Φ120mm Square Tube Processing Dim: 10mm*120mm Overall Dimensions: 9000mm*2700mm The Highest Standards of Chucks in the Industry The highest standards of chucks in the industry with strong clamping force, high rigidity, high speed, and stable performance Two Methods for Fewer-tailing Cutting Dwsdpfx Abjuc Sifj Tof Support two fewer-tailing cutting methods , choose one of them on the software interface according to different tube diameters Chuck double jaws: standard double jaws, small tube cutting precision is guaranteed Support: 2 sets of variable diameter wheel support standard (optional to increase to 3 sets)/optional servo support Unloading: [3M/4M] cylinder unloading rack/optional-[3M/4M] servo unloading rack/optional Loading: [Fully automatic loading rack/simple fully automatic loading rack/semi-automatic loading rack]/optional Dust removal: standard rear card hollow dust removal Short tail: chuck fixed, crossbeam fixed, short tail, front card open, rear card Continue to move forward, shorten the tail, ≥80 mm; if the short tail function is not used, the tail is about 200 mm Variable Diameter Wheel Supporting G Series has a wide range of cutting for various types and diameters of tubes, supported by the variable diameter wheel Automatic Unloading Device Efficient automatic unloading, saving time and labor costs, greatly improving production efficiency Super Dust Removal System The super dust removal system with ventilation design inside the chuck and the tube reduces the slag hanging in the tube, which is independently researched and developed by Glorystar Patented Dust Baffle Patented dust baffle protects important components from pollution and ensures stable performance High-strength Cage Structure Welded Machine Bed The industry’s highest-quality high strength cage structure welded machine bed with long life, anti-vibration, anti-torsion and anti-deformation

Condition: new, functionality: fully functional, Year of construction: 2025, laser power: 12,000 W, sheet thickness steel (max.): 80 mm, sheet thickness brass (max.): 80 mm, table length: 3,000 mm, table width: 1,500 mm, travel distance X-axis: 1,550 mm, travel distance Y-axis: 3,050 mm, travel distance Z-axis: 290 mm, workpiece weight (max.): 1,400 kg, input voltage: 380 V, input frequency: 50 Hz, type of input current: three-phase, total length: 9,100 mm, total width: 3,120 mm, total height: 2,200 mm, warranty duration: 24 months, working range: 3,015 mm, Equipment: centralized greasing system, cooling unit, documentation/manual, dust extraction, emergency stop, fume extraction, nozzle changer, safety light barrier, All New Full Cover Fiber Laser Cutting Machine | GS-CE/ GS-CE PRO Series | 3000-60000W MACHINE AVAILABLE ON HAND The machine can be loaded into a container. This GS-CE series FULL COVER FIBER LASER CUTTING MACHINE offers maximum safety for metals cutting. Thanks to its full cover structure and protective glass observation window, you can observe the operation and avoid hazards such as laser radiation, sparks, etc. It also has a fast exchange table, and the exchange is within 10s. It will be your ideal solution for safe and efficient metal cutting! Working platform size: 3000mm*1500mm, 4000mm*1500mm, 6000mm*1500mm, 6000mm*2500mm; Laser power 6KW-80KW CNC system: FSCUT Max. Acceleration：2.8G BOCI cutting head Intelligent anti-collision function Automatic lubrication Dodsub Nwdopfx Ab Tswf Schneider relay Laser fault alarm Cooling fault alarm Laser protection glass Water cooler TÜV CE certificate Optional function: automatic loading and unloading system Control unit supports graphic formats: AI, BMP, Dst, Dwg, DXF, DXP External programming System complete incl. cooler, extraction system and safety light barriers Demonstration machine as good as new