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                    CNC2 GEAR HOBBING MACHINE
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                    • PRODUCT OVERVIEW
                    • PARAMETER
                    • CONFIGURATION

                    This TWO-AXES CNC CONTROLLED MACHINE is capable of cutting cylindrical spur and helical gears with plain, crowning and slightly tapered teeth, as well as sprockets and work wheels.

                    The machine is best suited for wide scope of applications including automobile factories, tractor factories, gear-box factory, machine tool and general machinery manufacturing. Also is widely used in the metallurgy, mining, chemical and transportation industry.

                    Characteristics

                    • The modular machine concept has been consistently applied to the large machines of this series, guaranteeing an outstanding cost-benefit ratio and low maintenance costs.
                    • Cast-iron machine bed of maximum static and dynamic rigidity with integrated fluid circulation for thermal stability.
                    • The worktable is driven high quality, high precision worm and worm wheel gear drive.
                    • Linear slides are provided with backlash-free pretension ball screws. AC servo-drives, cast-iron guideways, resin-coated for optimum vibration absorption. Controlled pulse lubrication is used..
                    • With vertical design, the worktable moves to realize feed motion.
                    • CNC axes are driven through preloaded ball screws. It can cut gears with crowning and slightly tapered teeth by axial and radial co-ordinate control.
                    • High precision hydraulic components.
                    • Main guideways are coated with Teflon, the main body is annealed cast structure and solid construction which gives high rigidity.
                    • Manual hob shifting.
                    • Separate cooling systems.
                    • Precision ball screws are used for CNC axes to ensure high moving and positioning accuracy.


                    YK31125

                    Maximum hobbing modulus

                    Steel

                    12 mm

                    Cast iron

                    16 mm

                    Maximum workpiece diameter when processing straight tooth gear

                    With rear column

                    1000 mm

                    Without rear column

                    1250 mm

                    Maximum workpiece width when processing straight tooth gear (width between centre≥200)

                    450 mm

                    Maximum travel of tool post slide

                    480 mm

                    Spindle hole

                    Morse 6

                    HOB ASSEMBLY

                    Maximum dimension of cutter

                    Diameter

                    260 mm

                    Length

                    300 mm

                    Diameter of changeable hobbing centre axis

                    27, 32, 40, 50 mm

                    Maximum axial movement of cutter

                    100 mm

                    WORKTABLE

                    Maximum loading capacity of work table

                    3 tons

                    Diameter of work table

                    1000 mm

                    Pore diameter of work table

                    220 mm

                    Distance from hob centre to worktable

                    Maximum

                    690 mm

                    Minimum

                    210 mm

                    Distance from hob centre to worktable centre

                    Maximum

                    750 mm

                    Minimum

                    120 mm

                    MOTORS

                    Power and rated speed of main motor

                    N=11 Kw 1440 r/m

                    Z axis servo motor

                    1FK7103 5.23KW 2000 r/m 25/36nm

                    X axis servo motor

                    1FK7103 5.23KW 2000 r/m 25/36nm

                    Power and rated speed of motor of hydraulic oil pump

                    N=2.2 Kw  940 r/m

                    Power and rated speed of motor of cooling pump

                    N=0.4 Kw  2800 r/m

                    GENERAL

                    Taper bore of workpiece mandrel

                    Morse 6

                    Degree of spindle rotation

                    Class 7

                    Rotary range of spindle

                    16-125 r/m

                    X axis, Z axis Min programming amount

                    0.001mm

                    Vertical manual rotation speed of sliding carriage(Z axis)

                    628 mm/min

                    Rapid moving speed of worktable(X axis)

                    800mm/min

                    Accuracy of radial manual federate of work table

                    0.02 mm

                    Machine overall dimension (length ×width ×height)

                    3750×2040×2500 mm

                    Machine weight

                    13500kg

                    Standard components

                    System

                    SIEMENS 828D

                    Hydraulic parts

                    TAIWAN CHAOTIAN

                    Electric parts

                    SCHNEIDER

                    Bearing

                    NSK , ZWZ

                    Gear

                    SMTCL

                    Cast iron

                    Domestic top brand,Jinhe cast

                    Ball Screw

                    Nanjing Technical Equipment Manufacture Co., LTD

                    Spindle

                    Domestic top brand,made in xiangfan

                    Worm wheel

                    Made by German turbo-processing machine

                    Worm

                    Made in Chongqing

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