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Large Size CNC Hobbing Tooth Milling Machine (GMK-3200)1
Machine Tools, Special Machine Tools, Gear Hobbing Machine, Gear Milling Machine
Zhengzhou Timeway Machine Tool Co., Ltd.
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Product Description CNC Gear Milling Machine GMK-3200 GMK-3200N Machine Summary The Model GMK-3200 machine is external tooth milling machine; The model GMK-3200N machine is internal tooth milling one. Both of them are of 5-axis control ones. Based on the principle of single-index forming milling, the machines are able to cut helical gears with Z and C-axis coordinated control. They are designed for manufacturing spur gears, helical gears(shaft, disc and internal gears) and slightly tapered & crowning gears with larger diameter, etc.The machines have the features of high efficiency and rigidity. They are specially used for the industries to manufacture gears, such as wind power, engineering machinery, large-sized speed reducer, etc. Main features1. The machine is of 5 axes with 3 axes coordinated control, its five CNC axes as follow: A-axis--cutter head swivel motion;B-axis--milling cutter spindle rotary motion; C-axis--worktable rotary motion;X-axis--radial feed motion;Z-axis--axial feed motion;2. Three axes coordinated control of the standard machine: C,X and Z.Main functions and Its construction.General arrangementWith vertical design, the worktable is fixed while the column is moveable. The CNC control system is semi-closed loop control. Position loop is set on moveable ball screw or close to terminal components as possible.Construction of main components1. The machine consists of the bed, column, worktable, slide, internal & external milling tooth cutter head, chip conveyor, cooling, hydraulic and lubrication systems, electrical and CNC control systems as well as accessories.2. Either imported super precision linear recirculating roller guidance system and guideways covered by steel or hydraulic cylinder controlled gib and HNT ample rectangle guideways coated by anti-worm Teflon are used for the machine. The bed is welded steel plate construction. The other bulky components are of double-wall, rib-reinforced solid casting constructional ones to improve integrated rigidity of the machine and suit for large feed rate and high powerful cutting.3. Special rolling bearings for milling cutter box spindle. Double-way transmission and axial cylinder clearance-eliminating mechanism to eliminate driving clearance are adopted to ensure enough good rigidity, good anti-vibration and consistent accuracy.4. The cutter spindle is driven by an AC spindle motor with water cooling, servo-axis is driven by an AC servo motor. Spindle overload monitoring and alarm device is available. The milling cutter is locked by hydraulic nut.5. Large hydrostatic bearings and super precision double-worm gearings are used for the worktable. The worms are also supported by hydrostatic bearings to carry out cleanrance-free transmission of the worktable as well as dynamic locking positioning for the worktable.6. Milling cutter head swiveling motion is carried out by a motor through speed reducer, worm gearing, and pinion driving large(external)gear. The cutter head is clamped by butterfly spring and released by a cylinder.7. Balance cylinder is designed on the column to balance the weight of slide and the cutter head. Discharge device is arranged on the guideways between the column and the bed to reduce the load of X-axis.8. Supper precision rolling bearings and ball screw pair are used for the key parts.9. Functions of the electrical control system are very well, so that it has the features of easy operation, safe and reliable performance.10. The machine is equipped with semi-enclosed guards. The guard door is of push-pull type and can be widely opened in one direction. Technical Parameters Specifications UnitsGMK-3200GMK-3200NMax. workpiece dia.mm3200(outside)3040(max. root dia.)3800(outside)Min. addendum circle dia. for internal milling toothmmΦ800Φ900No. of teeth for the workpiece machined AllAllMax. module mm3024Max. helix angle(ensure min. half degree indexing)deg2525Max. face wideth(helical angle 0°)mm500500Max. worktable bearing capacity kg4000040000Worktable dia.mmΦ2550Φ2550Worktable bore dia.mmΦ740Φ740Max. worktable speed rpm44Max. size of milling cutter disk(dia.)mmΦ440Φ440Max. face width of the cutter mm100100Max. circular thickness of the workpiece(including fixture)mm500400Motor power of internal milling cutter headkw4646Center distance between internal milling cuter and worktable mm600-1820190-1410Distance between milling cutter axis and worktable surfacemm500-1500500-1500Milling cuter speed range rpm50-20050-200Horizontal travel of the column(X-axis)mm12201220Vertical travel of internal milling cutter head(Z-axis)mm10001000Rapid horizontal moving speed (X-axis) of the columnmm/min30003000Rapid vertical moving speed (Z-axis) of cutter headmm/min30003000Max. torque of milling N.m43954395Total weight of the machine t5353Electric total capacity Kva120120No. of cases 9 cases in total9 cases in totalStandard AttachmentsΦ100 cutter arbor assemblyRS232 interfaceHydraulic system Cooling system Lubrication systemMetered lubrication systemSIEMENS 802DSL CNC control system10" color displayOil chillers for hydraulic & lubrication systemsMachine data storage discElectrical cabinet with air conditionerMulti-color tower light for machine statusWorking lampInterlock safety switch of the doorSemi-enclosed guardsDual-hand start functionChip conveyorChip cartSpecial tools for installation and adjustmentVibration isolating padsOptional AttachmentsΦ80 cutter arbor assembliesMan-machine conversation programmingWorkpiece auxiliary support Our Advantages1. Free replacing parts available in the warranty period. Cost price replacing parts available beyond the warranty period.2. Quick action and reply for the technical questions at any time in the whole life of the machine.3. Overseas after service center available in some region.4. Engineer overseas service available on the requirement of customer(relative cost born by customer).Packaging & ShippingCompany ProfileTimeway Machine Tool Co., Ltd. is a professional machine tool manufacturing enterprises, the main products include lathe, milling machine, grinding machine, etc., and according to customer needs we also can design and manufacture various special purpose machines, to provide relative technology upgrading and transformation services in machine tool field.Since the establishment of the Ministry of Foreign Trade, we have participated in various domestic and international exhibitions such as the Autumn Canton Fair, Beijing Exhibition, Shanghai Exhibition, Moscow, Ethiopia, and Russia, and have maintained long-term friendly cooperative relations with exhibition customers.Customer visitedSo far, we have received many customers from abroad, and they are all very satisfied with our company and productsThe following is one of the most satisfactory products recommended by customers, as well as our main product categories. you can click and view Conventional LatheCNC LatheCNC Machining CenterCNC Milling MachineGrinding MachineMilling MachineSpecial Use LatheBoring Machine FAQQ: Why choose TIMEWAY MACHINE?A: 1 . High quality with competitive price;2 . Professional R&D team and 25 years export experience; 3 . Exported more than 60 countries; 4 . CE, ISO Certificates; 5 . 24 HOURS ONLINE SERVICE (SKYPE, WhatsApp, Wechat, Trademanager); 6 . 12 months quality warranty; 7 . Oversea engineers available for problem resolving; Q: Do you have QC or any safety standards for your machinery? A: yes, we have established a highly strict quality control department to guanrantee good quality. Q: What's the MOQ? A: 1 set (Only some low cost machines will be more than 1 set ) Q: What about the payment terms? A: (1) T/T with 30% advanced payment, and 70% balance payment to be paid before shipment; (2) Irrevocable LC at sight; (3) Western Union, MoneyGram, etc. Q: How about the warranty? A: Warranty Period is one year after delivery. Even beyond the period, we will supply lifetime service for machine.
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