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:NO.4 Gongti Beilu Road, Chaoyang District, Beijing
Zip:100027
Url: decosblog.com
Tel:010-85236930;85235386
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.