Beli Mazak Ajv bekas (369)

Tahun pembuatan: 1988, Kondisi: siap digunakan (bekas), Travel distances X/Y/Z: 1500mm/800mm/660mm, spindle speed: 10,000 rpm, table dimensions X/Y: 1740mm/750mm, tool capacity: 30, taper type: BT50, control: Mazatrol M-32, weight: approx. 11,000kg. Duedjtpp H Nepfx Abhen

Tahun pembuatan: 1990, Kondisi: siap digunakan (bekas), X/Y/Z travel: 3200mm/1400mm/500mm; table dimensions X/Y: 3000mm/1250mm; max. workpiece width: 1500mm. Spindle speed: 10,000 rpm; spindle taper: CAT50; spindle power: 35 HP; tool magazine capacity: 30 stations. Dimensions X/Y/Z: approx. 8000mm/4000mm/3500mm; weight: approx. 24,000 kg. On-site inspection is possible. Duedpstx Dpfefx Abhjn

Kondisi: siap digunakan (bekas), Tahun pembuatan: 2006, jam operasional: 32.790 h, Fungsionalitas: berfungsi sepenuhnya, jarak pergerakan sumbu X: 2.032 mm, jarak lintasan sumbu Y: 750 mm, jarak gerak sumbu Z: 750 mm, beban meja: 3.000 kg, kecepatan spindel (maks.): 6.000 rpm, DETAIL TEKNIS Perjalanan sumbu-X: 2.032 mm Perjalanan sumbu-Y: 750 mm Perjalanan sumbu-Z: 750 mm Djdoyfhdyjpfx Abhjun Ketinggian benda kerja maks.: 870 mm Beban meja/benda kerja maks.: 3.000 kg Lebar meja: 800 mm Panjang meja: 2.240 mm Putaran spindle: 40 - 6.000 rpm Taper spindle: SK 50 Daya standar spindle: 18,5 kW Torsi standar: 759 Nm Varian daya spindle: 26 kW Varian torsi: 1.067 Nm DETAIL MESIN Kontrol: MAZATROL Dimensi & Berat Dimensi (P x L x T): 5.685 mm x 4.096 mm Berat: 14.000 kg Jam operasional: 32.790 jam

Kondisi: siap digunakan (bekas), Tahun pembuatan: 1999, Fungsionalitas: berfungsi sepenuhnya, jarak pergerakan sumbu X: 1.660 mm, jarak lintasan sumbu Y: 760 mm, jarak gerak sumbu Z: 660 mm, beban meja: 1.200 kg, kecepatan rotasi (maks.): 8.000 rpm, Lelang diperpanjang satu minggu karena pembaruan data mesin. DETAIL TEKNIS Sumbu X: 1.660 mm Sumbu Y: 760 mm Sumbu Z: 660 mm Duodpsya Dw Sefx Abhjn Ukuran meja: 760 x 2.000 mm Kapasitas beban meja maks.: 1.200 kg Dudukan alat: SK 40 Penukar alat: 2 x 24 Diameter alat maks.: 80 mm Diameter alat dengan slot tetangga kosong maks.: 110 mm Panjang alat maks.: 350 mm Kecepatan rapid (X/Y/Z): 24 / 24 / 30 m/menit DETAIL MESIN Kontrol: MAZATROL M-PLUS Dimensi & Berat Kebutuhan ruang: sekitar 6,0 x 4,0 x 3,5 m Berat mesin: sekitar 8,1 t Kebutuhan daya total: 32,8 kVA Mesin dirawat secara berkala.

Kondisi: bekas, Mazak QTN100IIM tahun 2009, Dusdpfeyhh Drsx Abhen

Kondisi: bekas, Tahun pembuatan: 2019, de Duedeyhph Sjpfx Abhsn

Kondisi: baik (bekas), Tahun pembuatan: 2006, Technical Data – QTN-350M (Turning Length 1200 mm) Chuck Size: 10 inches Maximum Swing Diameter: 677.5 mm Standard Turning Diameter: 430 mm Maximum Machining Diameter: 633 mm Maximum Machining Area: 677 mm Maximum Turning Length (Z-Axis): 1000 mm Bar Capacity: 77 mm Spindle Nose: A2-8 Main Spindle Speed: 30–4000 rpm Main Spindle Motor Power (30 min rating): 25 kW (36 hp) Maximum Main Spindle Torque: 355 Nm (36.0 kgf·m) Tailstock: • Quill Type: Morse Taper No. 5 • Maximum Tailstock Travel: 1050 mm • Maximum Thrust: 12 kN (1200 kgf) Dsdswfynfjpfx Abhjun Turret: • 12 stations • Tool sizes: • External turning tool: Ø40 mm • Internal turning tool: Ø20 mm • Milling drill: Ø20 mm • Thread milling cutter: M12 Milling Spindle: • Speed: 25–4500 rpm (optionally 6000 rpm) • Motor Power: 5.5 kW (7.5 hp) • Maximum Torque: 35 Nm (3.6 kgf·m) Coolant Capacity: 160 liters Machine Dimensions: • Width: 1780 mm • Overall Height: 2533 mm • Floor Space Requirement: approx. 4.51 m² • Machine Weight: approx. 5200 kg 1x chip conveyor 1x tray Pictures to follow shortly

Kondisi: bekas, Tahun pembuatan: 2008, Fungsionalitas: berfungsi sepenuhnya, Pusat mesin simultan 5 sumbu MAZAK Variaxis 630-5X II T dengan fungsi putar Kontrol: MAZATROL Matrix Tahun pembuatan: 2008 Dusdpfx Absx Db D Ashen Perjalanan sumbu - x: 630 mm Perjalanan sumbu - y: 765 mm Perjalanan sumbu - z: 600 mm Sumbu a: +30 ~ -120 ° Sumbu c: +/- 360° Diameter pemesinan maksimum: 730 x 500 mm Ketinggian kerja maksimum: 500 mm Jumlah slot pada penukar alat: 120 Tipe holder alat: HSK 63T Kecepatan maks spindle: 18.000 rpm Kecepatan maks meja putar: 1.100 rpm Diameter meja putar: 630 mm Diameter ayun benda kerja: 730 mm Aksesori: Konveyor chip & tangki Pendinginan internal alat (IKZ) Extractor kabut oli Showa Probe Renishaw Mesin dalam kondisi sangat baik dan dapat dilihat di lokasi dalam kondisi terhubung listrik.

Kondisi: sangat baik (bekas), Produsen: Yamazaki Mazak Corporation Dusdpfx Aeyha Ivsbhjn Model: Nexus VCN-510C Tipe mesin: Pusat pemesinan vertikal CNC Kontrol: MAZATROL 640M Pergerakan sumbu X: 1.050 mm Pergerakan sumbu Y: 510 mm Pergerakan sumbu Z: 510 mm Meja kerja: Meja dengan alur T (T-slot), meja geser Majalah alat: Penukar alat otomatis ATC Lemari kontrol: Ya Perlengkapan tambahan: Instalasi pelumasan Berat: 7.100 kg

Kondisi: bekas, en-GB:Technical details: x-travel: 800 mm y-travel: 800 mm z-travel: 800 mm Spindle speed: 35-10,000 rpm Spindle power: 37 / 30 kW Spindle torque: 525 / 206 Nm Dodpfx Abswix Hhsheun Tool holder: BT 50 Rapid traverse: 60 m/min Tool changer: 160 positions Pallet size: 500 x 500 mm Control: MAZATROL 640M Nexus C-axis: 0.001° x 360,000 Workpiece weight: 1,000 kg Max. workpiece height: 1,000 mm Interference circle: 900 mm 2 horizontal machining centres (HCN 6000-II + HCN 6000, year 2005), linked via a 16-station MAZAK FMS pallet system 2-station pallet changer Chip conveyor Coolant system with through-spindle coolant (IKZ)

Kondisi: bekas, en20240618a Djdpfx Aewix E Rsbhsun

Kondisi: siap digunakan (bekas), Tahun pembuatan: 2001, jarak pergerakan sumbu X: 3.000 mm, jarak lintasan sumbu Y: 1.480 mm, jarak gerak sumbu Z: 640 mm, produsen pengendali: MAZATROL, model controller: 640 M-PC, tinggi total: 3.550 mm, berat keseluruhan: 27.000 kg, kecepatan spindel (maks.): 10.000 rpm, daya motor spindle: 29.800 W, jumlah slot dalam magazin alat: 60, jumlah sumbu: 3, Pusat pemesinan vertikal 3-sumbu Mazak FJV 60/120 ini diproduksi pada tahun 2001. Mesin ini menawarkan kemampuan kokoh untuk pengerjaan presisi. Jika Anda mencari fungsi milling berkualitas tinggi, pertimbangkan Mazak FJV 60/120 yang kami tawarkan untuk dijual. Silakan hubungi kami untuk informasi lebih lanjut. Keunggulan mesin Keunggulan teknis mesin • Mesin berfungsi sepenuhnya • Termasuk dokumentasi mesin Dedex D E H Uopfx Abheun Informasi tambahan Mesin masih terpasang listrik Dimensi Kedalaman mesin: 8600 mm Spesifikasi teknis Ukuran taper: SK 50

Kondisi: bekas, Tahun pembuatan: 2008, Fungsionalitas: berfungsi sepenuhnya, de-steuerung-mazatrol-640 Dusdpfx Abjyhp A Aehjn

Kondisi: bekas, Tahun pembuatan: 2006, Fungsionalitas: berfungsi sepenuhnya, de-steuerung-mazatrol-640 Dujdpfx Abjyhm Rwehon

Kondisi: diremaj di bengkel (bekas), Tahun pembuatan: 2007, MAZAK QUICK TURN NEXUS 200-II MSY Maks. diameter pembubutan: 380 mm Maks. panjang pemesinan: 511 mm Djdpfoyhwy Iox Abhsun Maks. kecepatan frais: 4.500 rpm Maks. kecepatan spindle: 5.000 rpm Maks. diameter batang: 65 mm Mesin dilengkapi dengan: - Kontrol CNC Mazatrol Matrix - Chuck tiga rahang KITAGAWA untuk spindle utama, diameter 210 mm - Chuck tiga rahang KITAGAWA untuk spindle ke-2, diameter 169 mm - Tool Eye - Sumbu C - Sumbu C pada spindle lawan - Sumbu Y - Antarmuka untuk magasin pengisi batang otomatis - Penangkap benda kerja otomatis - Pompa pendingin yang diperkuat - Konveyor serbuk chips - 8 dudukan alat tetap - 2 dudukan alat bertenaga

Kondisi: bekas, Tahun pembuatan: 2019, x-axis travel 2,000 mm y-axis travel 820 mm z-axis travel 720 mm Control Mazatrol Smooth G Spindle interface SK 40 Spindle speeds 35 - 12,000 rpm Spindle drive 22 kW Distance spindle nose to table top 140 - 860 mm Table load capacity 1,700 kg Rapid traverse x/y/z 50 m/min Table width 820 mm Table length 2,500 mm Table height above floor 870 mm T-slots 7 T-slot width 18 mm T-slot spacing 100 mm Tool changer 48 positions Tool change time 4.7 sec Tool diameter (with 2 free positions) 130 mm Tool diameter (fully loaded) 80 mm Max. tool weight 8 kg Max. tool length 350 mm Required air pressure 5 - 9 bar Air consumption 260 l/min Electrical specification - voltage/frequency 400 V / 50 Hz Coolant tank 450 l High-performance coolant system 25 bar Total power requirement 46.7 kW Machine weight approx. 14.8 t Space requirements approx. 4.3 x 3.6 x 3.1 m STANDARD EQUIPMENT - Transformation for the European market - USB port (1 port) - Mazak standard color - Spindle speed 12,000 rpm (SK 40 steep taper) - Work area lighting SAFETY EQUIPMENT - Operator door with interlock switch - Work area enclosure - Splash guard covers surround the work area from the sides - Fully enclosed work area - Protection against chips, coolant, and access to the work area during automatic operations - Safety features in compliance with international standards Dujdpjtuggcofx Abhjn COOLANT SUPPLY - Coolant supply through the spindle (pump pressure = 5 bar) - Complete coolant system includes pumps, valves, piping, and nozzles for efficient production of quality components FACTORY AUTOMATION - Automatic on/off and warm-up function - Automatic warm-up activation via digital timer MEASURING SYSTEM - Tool length measurement and tool breakage detection CHIP DISPOSAL - Factory preparation for chip conveyor (left side) NUMERICAL CONTROL - Fixed control/operating unit - Relocation Detector - Mazatrol SmoothG CNC - 19" LCD color display (touch screen) - Mazak thread drilling / drilling cycle Tornado (Mazatrol) - Boring and threading mode for helical machining allows various diameters to be machined at high speed with a single tool. This function minimizes programming and machining times. - EIA/ISO input function - Background tool path simulation - The tool path of a program can be checked while another program number is being executed in automatic mode. - 3D coordinate transformation - Form compensation for rotary axes - Mazacc-2D software (profile compensation) - Accuracy is maintained at high feed rates. - Mazacc-3D software package for high-speed machining - High-speed, high-accuracy machining for contours defined in very fine program increments. - MAZACC-3D High-Speed Software Package (NO456) is additionally required. - High smoothing control - LAN interface - SD memory card interface - Smooth Standard Software for M/C - NO443 B) MAZACC-2D software (workpiece profile compensation) - NO444 D) MAZACC-3D high-speed software package - NO445 B) Profile compensation for rotary axes - NO497 D) High precision control for finishing operations - Seamless corner control - ...

Kondisi: bekas, Turning diameter 340 mm Turning length 575 mm Control Mazatrol SmoothEZ Max. swing diameter over bed 695 mm Standard machining diameter 235 mm Max. bar capacity 65 mm X-axis travel 215 mm Rapid traverse X-axis 30 m/min Y-axis travel 100 mm Rapid traverse Y-axis 10 m/min Z-axis travel 605 mm Rapid traverse Z-axis 30 m/min Spindle speed 35 - 5000 rpm Spindle nose A2-6 Spindle bore 76 mm Power (40% duty cycle) 15 kW Rated power (100% continuous operation) 11 kW Max. torque 167 Nm Spindle speed 35 - 6000 rpm Spindle nose A2-5 Power (40% duty cycle) approx. 7.5 kW Power (continuous operation) 5.5 kW Max. torque 53 Nm Milling spindle speed (driven tools) 20 - 4500 rpm Dujdpfx Abjwngklehjn Max. torque at milling spindle: 47 Nm Drive power – milling spindle 5.5 kW (at 40% duty cycle) Milling spindle power (continuous operation) 3.7 kW Number of tool stations 12 (driven) Tool section (external) 25 mm² Boring bar diameter 40 mm Drill diameter 20 mm Milling cutter diameter 20 mm Thread tap diameter M20 Coolant tank 225 l Chuck diameter main spindle 8'' Chuck diameter sub spindle 6'' W-axis travel 585 mm Rapid traverse W-axis 30 m/min C-axis 555 Machine weight approx. 4.9 t Space requirements approx. 2.8 x 2 x 1.8 m Special equipment: - Chip conveyor, hinged belt, side ejection - Production package, includes: Preparation for bar feeder Automatic parts catcher (Ø:80mm x L:120mm x 2.5 kg) 15 bar high-pressure coolant system Preparation for chip conveyor (side) Signal light (3-color LED), rectangular C-axis sub spindle 0.0001° Automatic Tool Eye 8" power chuck Kitag. BR08 & cylinder SR1566C (HD1) GENERAL MACHINE OPTIONS Air blow unit at chuck (sub spindle) Transformer for European market Linear roller guides SD MEMORY I/F(1P) + USB MEMORY I/F(1P) 1 x USB memory interface (1 slot) CE marking CE marking, metric, 50 Hz Sub spindle positioning 0.0001 degree without C-axis 12-station tool turret Y-axis control ADDITIONAL PROCESS SOFTWARE Smooth Restart function / restart operation Set of manuals in electronic form on CD Main spindle motor AC 15 kW (20 HP) Sub spindle motor AC 7.5 kW MAIN SPINDLE C-axis main spindle input accuracy (contour/index) 0.0001° Mazak standard color (F White [fine]/S Black) Automatic shutdown via safety switch activation Double foot switch Hydraulic pressure interlock RFID door locking Safety foot switch with locking mechanism Safety measures to global standard Work area lighting Complete coolant system Automatic opening/closing of chuck jaws (main and sub spindle) Chuck status feedback (main and sub spindle) Feedback of chuck status via sensors 8" power chuck 6" power chuck (sub spindle) Absolute positioning system Synchronous tapping with milling spindle Relocation detector NC control Mazatrol SmoothEz 15" Color LCD (touch screen) User macro (shared variables: 600 pairs) EIA/ISO package EIA/ISO input function EIA/ISO additional functions Helical interpolation 3D tool compensation Workpiece coordinate rotation Geometric function Scaling External data input/output Thread cutting function (G33) Inverse time feed G93 G37 tool length measurement Polar coordinate input (EIA) Optional stop

Kondisi: bekas, Max. turning diameter: 360 mm Turning length: 505 mm Control system: Mazatrol SmoothC Max. swing diameter over bed: 660 mm Max. swing diameter over cross slide: 255 mm Max. bar diameter: 80 mm Spindle speed range: 35 - 4000 rpm Spindle torque: 358 Nm X-axis travel: 225 mm Rapid traverse X-axis: 30 m/min Z-axis travel: 605 mm Rapid traverse Z-axis: 33 m/min Spindle nose: A2-8'' Spindle bore: 91 mm Spindle passage: 80 mm Milling spindle speed (driven tools): 5000 rpm Max. torque at milling spindle: 47 Nm Drive power - milling spindle: 5.5 kW (40% duty cycle) Tailstock quill taper: MT 5 Tailstock travel: 565 mm Max. axial pressure: 5.0 Nm Turret: 1 Number of tool stations: 12 (driven) Turning tool cross-section: 25 x 25 mm Tool holder: BMT Compressed air connection: 5 / 160 bar / l/min Operating voltage: 400 V Coolant tank: 180 l Main motor power: 18.5 kW (30 min duty cycle) Rated power (100% continuous duty): 15 kW Machine weight: approx. 6 t Floor space: approx. 3.6 x 2 x 1.8 m Machine incl. the following special equipment: Side-mounted chip conveyor (right) Productivity package C – Special as per stock machine This package includes: High-performance coolant system (1.1 kW), max. flow rate 17.6 l/min Preparation for chip conveyor (side) Automatic tool eye STANDARD EQUIPMENT Transformer for the European market Linear guide system with guide carriages SD MEMORY I/F(1P) + USB MEMORY I/F(1P) 1 x USB memory interface (1 slot) Spindle bore 91 mm Set of manuals in electronic form on CD Duodpov Dxw Rsfx Abhon Mazak standard color CE marking, metric, 50 Hz C-axis input accuracy: 0.0001° NC controlled tailstock Tailstock pressure adjustment Tailstock with fixed quill MT5 SAFETY DEVICES Operator door interlock switch Double foot switch Hydraulic pressure lock Fully enclosed work area Work area lighting Safety measures according to international standards COOLANT SUPPLY Grundfos coolant pump, type MTA (0.25 kW / 7.6 l/min) Complete coolant system Automatic shut-off via circuit breaker MEASURING SYSTEM Absolute positioning system NUMERICAL CONTROL Synchronised tapping with milling spindle Relocation detector Mazatrol SmoothC 10.4" color monitor User macro (600 variables) EIA/ISO input function Background toolpath verification Thread cutting function (G33) Polar coordinate input (EIA) Drawing data direct input function LAN interface Various tool holders - All dimensions, weights and performance specifications non-binding - - Used machine without warranty -

Kondisi: bekas, Tahun pembuatan: 2007, de Dodpfx Ajygipgobhsun

Kondisi: bekas, Tahun pembuatan: 2011, de Dsdpsygimlefx Abheun

Kondisi: bekas, Tahun pembuatan: 2010, Mazak VCN 510C-II (Vertical Center Nexus) dengan kontrol Mazatrol Matrix Nexus, spindel BT40 18,5 kW 12.000 RPM, dilengkapi tool setter dan konveyor serbuk. Dijadwalkan tiba di Bristol pada Maret 2026, foto tambahan akan diunggah setelah mesin tiba. Spesifikasi: Sistem Kontrol: Mazatrol Matrix Nexus Ukuran Meja: 1300 mm x 550 mm Maksimal Beban Meja: 1200 kg Perjalanan Sumbu X: 1050 mm Perjalanan Sumbu Y: 510 mm Perjalanan Sumbu Z: 510 mm Kecepatan Spindel: 12.000 RPM Taper Spindel: BT40 Motor Spindel: 18,5 kW Kapasitas Majalah Tool: 30 alat (standar) Waktu Pergantian Tool (Chip-to-Chip): Kecepatan Pemindahan Cepat (X/Y/Z): 36 m/menit Bobot: ~ 6.900 – 7.100 kg Dimensi Mesin: 3870 x 2819 x 2842 mm Dedpjyh N Aasfx Abheun Sistem Kontrol: Mazatrol Matrix Nexus Perjalanan Sumbu X: 1050 mm Perjalanan Sumbu Y: 510 mm Perjalanan Sumbu Z: 510 mm

Kondisi: diremajakan ulang (bekas), Tahun pembuatan: 2007, CNC FANUC EZ, sumbu X 4200 mm, Y 1400 mm, Z 585 mm, sumbu A ±40 derajat, sumbu B ±40 derajat, meja 4000 x 1250 mm, spindle 10.000 rpm HSK 100, daya 27 kW, majalah alat 60 posisi. Mesin dapat dilihat beroperasi dan tersedia segera. Dsdpsyh Hcqofx Abhoun

Kondisi: baik (bekas), Tahun pembuatan: 1998, Kontrol Mazatrol T-Plus Diameter putar maks. 470 mm Diameter ayun maks. 575 mm Panjang pemesinan 1.500 mm Kecepatan spindle 3.000 rpm Magazin untuk 40 alat (KM 63/SK 40) Sumbu B Sumbu Y Lunette Tailstock Duedpeyg Ru Defx Abhsn Konveyor serbuk

Kondisi: siap digunakan (bekas), Tahun pembuatan: 2011, jarak pergerakan sumbu X: 900 mm, jarak lintasan sumbu Y: 430 mm, produsen pengendali: MAZATROL, model controller: Smart, kecepatan spindel (maks.): 12.000 rpm, daya motor spindle: 18.500 W, jumlah sumbu: 3, This vertical 3-axis machining center Mazak VCS 430A was manufactured in 2011. It features a powerful 18.5 kW spindle with a speed of 12,000 rpm and a table size of 900 x 430 mm. The machine offers rapid traverse rates of 42 m/min, a high-pressure coolant system, synchronized tapping, and tool length measurement. If you are looking for high-quality machining capabilities, consider the Mazak VCS 430A machine we have for sale. Contact us for further details. • Operating hours: 33,000 • Spindle hours: 22,000 • Rapid traverse: 42 m/min • Installed Options/Software: • High-pressure coolant (through spindle), 15 bar • Synchronized tapping • Tool length measurement • Workpiece air blow-off • Handheld coolant nozzle • Automatic deep hole drilling cycle with load detection • G00 constant increment feature • High contour surface smoothing (High Smoothing Control) • Mazatrol-to-ISO program conversion • Program storage expansion • Prepared for workpiece probe (OMP60) • Prepared for chip conveyor (left side) • MAZACC-3D high-speed software package • CNC Functions and Connectivity: • NC user macros • Mazak drilling/tapping cycles (Mazatrol & EIA) • EIA/ISO code input • Constant tool tip speed function Dusdpfoyhcviox Abhjn • Programmable stop (M01) • Background tool path check (MAZACC-2D) • Up to 300 workpiece coordinate systems • Thread cutting functions • EIA fixed cycles (chamfering, arc machining) • USB interface (2 ports) • LAN port Additional Equipment • Left chip conveyor, hinged belt type (Mayfran) • 4th axis simultaneous kit: Kitagawa NC rotary table (MR200) Technical Specification Taper size: ISO 40

Kondisi: bekas, Tahun pembuatan: 1996, x-Weg 1500 mm y-Weg 650 mm z-Weg 650 mm Palettengröße 1740 x 650 mm Spindelaufnahme SK 50 Spindeldrehzahlen 25 - 6000 U/min Vorschübe - längs/quer/senkrecht max. 8 mm/min Eilgang längs und quer 26 m/min Eilgang senkrecht 20 m/min Spindelausladung 665 mm Duedpfx Ajyg N Shobhjn Abstand Spindelnase und Tisch 200 / 850 mm Bohren ins Volle 50 mmø Gewindeschneiden M 45 Werkzeugwechsler 60 Pos Werkzeugdurchmesser 125 mm Werkzeugdurchmesser bei 2 Freiplätzen 260 mm Werkzeuglänge max. 400 mm Werkzeuggewicht max. 20 kg Spindelmotor 18,5 kW Steuerung MAZATROL M PLUS Zubehör: Späneförderer, Kühlmitteleinrichtung