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Splines And Drum Gear Hobbing Machine For Shipbuilding With High Speed Dry Cutting Hob

Categories Gear Hobbing Machine
Place of Origin: China
Brand Name: JJR
Certification: ISO9000
Model Number: YKA31160
MOQ: 1set
Packaging Details: in wooden cases
Delivery Time: 1month
Payment Terms: T-T , L/C
Supply Ability: 50sets/month
Max. workpiece dia.: Without workstay 1600mm
Max. module: Cast iron: 20mm Steel: 16mm
Hob slide travel: 530mm
Max. hob dimensions: dia.×length: Φ260×230mm
Max. hob shifting travel: 100mm
Servomotors for X and Z axes: 27NM 3000r/min
Hob spindle speed: 19~176mm/r (8 steps)
Max. worktable speed: 4r/min
Total power of the machine: 32.75KW/50Hz
Net weight of the main machine: 17000Kgs
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    • Product Details
    • Company Profile

    Splines And Drum Gear Hobbing Machine For Shipbuilding With High Speed Dry Cutting Hob

    Splines And Drum Gear Hobbing Machine For Shipbuilding With High Speed Cutting Hob:

    Main applications and construction of the machine
    The model YKA31160 CNC gear hobbing machine is of 2 axes one: X axis (radial feed motion) and Z axis (axial feed motion). Both of them are driven by AC servomotors. CNC control system adopts SIEMENS-802D, Germany.
    Based on the principle of generating method, this machine is designed to cut cylindrical spur & helical gears, slightly tapered and crowning gears, as well as worm wheels under radial feed. Axial and radial motionsare driven by servomotors through pre-loaded ball screw pairs.
    This machine is manufactured and accepted in accordance with the Chinese standard JB/T8360.1-96 “Accuracy Test of CNC Gear Hobbing Machine”. It can be operated manually or automatically under one or twice square cycles. According to the module of the gear machined, under one- or multi- feed finishing cutting, its machining accuracy can be up to Grade 7 according to the Chinese standard GB/T10095-2001 “Accuracy for Cylindrical Involute Gears”.
    Main functions and construction of the machine
    1.With vertical design, column of the machine is fixed and the worktable is moveable along the guideways of the machine bed in radial horizontal direction.
    2.Main guideways are of V-type ones and coated with Teflon, which ensure stable transmission.
    3.Both axial feed and travel of hob head slide are driven by Z-axis servomotor. A pressure balance cylinder is designed for the hob head slide to overcome vibrating resulting from cutting force. A manual hob shifting mechanism is designed for the hob head.
    4.Both radial feed and travel of worktable are driven by the X-axis servomotor.
    5.Hob head swivel can be operated manually. A large spur gear with good self-locking function is used. Swivel angle readings are accurate.
    6.High precision roller bearings are used for spindle and key parts of the transmission chain.
    7.High precision worm gearing are used for the worktable indexing system. The worm wheel is of tin-bronze alloy with good wear resistance; the worktable is of Cu-Cr alloy and also with good wear resistance. Its bearing capability is up to 3000kg.
    8.Tailstock can travel automatically upward, downward or stop at arbitrary position controlled by a hydraulic valve.
    9.Separated hydraulic system, lubrication and cooling systems are equipped.
    10.Automatic lubrication is used for indexing worm gearing and each transmission part; inching lubrication is used for the guideways of column and machine bed; circulation lubrication is used for hob head.
    Parameters Table:



    Max. workpiece dia.

    Without workstay 1600mm

    Max. module

    Cast iron: 20mm Steel: 16mm

    Hob slide travel


    Max. hob dimensions: dia.×length


    Max. hob shifting travel


    Servomotors for X and Z axes

    27NM 3000r/min

    Axial feed rate range and No. of steps

    0.4--4.0mm/r (stepless)

    Radial feed rate range and No. of steps

    0.08-0.90 mm/r (stepless)

    Center distance between the hob and the worktable


    Distance between the hob axis and the worktable surface


    Distance between tailstock end face and worktable surface


    Hob spindle speed

    19~176mm/r (8 steps)

    Max. worktable speed


    Total power of the machine


    Overall dimensions of the main machine: L´W´H


    Net weight of the main machine


    Company Profile:

    Heng Yong company gathered many experienced experts. This team is lead by people have over decadesof experience, and filled with young, energetic engineers. With strong research and developing ability, our company put extraordinary effort on developing complete sets of gear machinery. Now we are able to provide our customer the main products as follows: Gear Shapers, Straight Bevel Gear Generators, Spiral Bevel Gear Generators, Spiral Bevel Gear Grinders, Hypoid Gear Testers, Gear Lappers, Gear QuenchingPress, Gear Chamfering Machines, Gear Hobbers, Honing Machines, Vertical & Horizontal Machining Centers, Special Precision Speed Reducers, Roll Stander for Seamless Tube Stretch Reducing Mill, Gear Coupling Family, Low Drive Devices and Environmental Protective Equipment of 16 kinds, more than 30 families, and more than 150 types and specifications. The company focus on developing heavy-duty, large CNC gear machinery, which are urgently needed by the government and makes industrialize as soon as possible, provide a great variety of advanced gear machinery to the market. The company is using the leading 3D designing software for developing and designing. The company combines producing with research and development by Cooperating with TIANJIN University and other colleges for many years.

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