• Product

    5-axis Machining Center

    •XKH series

    •XKH1600

    •XKH800

    •XKH800A

    •XKH400A

    •XKR series

    •XKR25

    •XKR32

    •XKR40

    •XKR50A

    •XKR63

    •XKH 800

    Popular-type Vertical Machining Center

    •BV series

    •BV75

    •BV85

    •BV100

    •BV120

    •BV55 series

    •BV55-75

    •BV55-85

    •BV55-100

    •BV55-120

    •VMC series

    •VMC1250

    •VMC1500

    •VMC1700

    •E series

    •VMC750E

    •VMC850E

    Heavy-cutting Vertical Machining Center

    •BV68 series

    •BV68-125

    •BV68-150

    •BV68-180

    •BV80 series

    •BV80-125

    •BV80-150

    •BV80-180

    Dual-spindle Vertical Machining Center

    •BV100S

    •BV100S

    Grinding Machine

    •SK74 series

    •SK7420

    •SK76 series

    •SK7612B

    • Customized Machine

    •MCJ-03

    Drilling Center

    • Drilling Center

    •BVD400

    •BVD500

    •BVD600

    Address:Building 5, No.25, Shuntong Road Shunyi District Beijing
    Zip:101300
    Url: www.rsgdled.com
    Tel:010-85236930;
    Fax:010-85236733;85235277
    Email:service@bmeimt.com

    SK7420 NC external thread grinding machine is mainly used to grind all kinds of screws, as well as precision grinding of camshaft, rack, tools, gauge and worm for mechanical machining industry. The machine is specialized in mass machining external thread raceway of steering pylori in automobile steering manufacturing field.

      

    Item

    Unit

    SK7420

    Work Table

    &Travel

    Grinding wheel rack travel(X axis)

    mm

    250

    Dresser travel (Y axis)

    mm

    100

    Worktable travel (Z axis)

    mm

    500

    The center height of head and tail carriage

    mm

    165

    Workpiece

    Spindle speed (C axis)

    r/min

    0.1-80

    Max. workpiece dia.

    mm

    200

    Max. workpiece length

    mm

    700

    Max. workpiece weight

    kg

    50

    Grinding

    Max. grinding length

    mm

    500

    Max. thread dia.

    mm

    φ2-φ120

    Max. thread rise angle

     

    ±30°

    Feeding

    X/Z axis feeding speed

    mm/min

    0.1-8000

    Y axis feeding speed

    mm/min

    0.1-1000

    Grinding wheel linear speed

    m/s

    35-45

    Wheel

    Size

    mm

    φ500×10×φ203

    Power

    kw

    7.5

    Overall Size

    Overall size (L/W)

    mm

    3100×2000

    Height

    mm

    1950

    Net weight

    kg

    5500

    CNC System

    FANUC-0iTC or Siemens-802DSL

    Structure Close

    Ø The machine is equipped with FANUC-0iTC control system, Siemens-802DSL driver, which realize three shafts

    linkage and four shafts closed-loop control.

    Ø Wheel spindle parts with high precision and high rigidity is in frequency control way, which can set wheel speed

    in the processing program.

    Ø Each linear shaft uses imported linear roller guide ways and precision ball screws.

    Ø Fully closed machine cover with fog-absorption device of England FILTERMIST brand.

    Ø Single or dual direction grinding function, NC roller dresser for molding and dressing grinding wheel.

    Ø Wheel automatic correction & compensation function, wheel constant-linear speed controlling function.

    Ø Min. grinding wheel size controlling function, mounded rotary operation station.

    Ø Large-volume grinding cooling system, cooling fluid temperature controlling system.

    Ø Air conditioning is laid in the electric cabinet that will power off when door opens.

    Ø All the sheet metal parts are coated with plastic-sprayed.

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