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MGKF74 Series CNC Vertical Spindle Compound Grinding Center

PRODUCT CENTER > Grinding Machines > MGKF74 Series CNC Vertical Spindle Compound Grinding Center

MGKF74 Series CNC Vertical Spindle Compound Grinding Center

MGKF74 Series CNC Vertical Spindle Compound Grinding Center

Technical Proposal

  

       The MGKF74 series high-precision CNC compound vertical grinding centers characterized by modern design, excellent rigidity, and good practicality, achieving a high integration of high precision, high speed, and performance. This series of grinding machines can perform grinding operations for holes, external cylindrical surfaces, and flat surfaces at one chuck, automatic tool change, automatic workpiece measurement, and online dynamic balancing system of grinding wheels. Thus, a wide scope of applications is available.

       1. Machine layout

       The MGKF74 series is an eight-CNC-axis vertical grinding center that uses Siemens 840sl system.

        The major components of this machine tool are the bed and the column. The machine tool bed consists of front and rear beds, and the column is placed on it for longitudinal shift. The carriage drives the grinding head and the turret to move vertically on the column, and the round table rotates at the front of the bed. The turret can make the grinding head realize continuous indexing and is equipped with an automatic measurement system. The four-position tool magazine is located on the right side of the bed and can achieve automatic tool change. The wheel dresser is located between the round table and the tool magazine. The electrical device, hydraulic device, and cooling device are located at the rear of the machine tool. The electrical control box is fixed on the front right side of the bed.

        This layout has the following advantages:

        1)The machine tool adopts an internationally advanced layout, overcomes the deformation of the gantry-type layout crossbeam, minimizes the large assembly surface, makes the large structure more compact, reduces the installation and adjustment process, increases the overall rigidity and stability of the machine tool, and has a beautiful shape with a small footprint.

        2)The machine tool is mainly used for processing and grinding aviation engine shafts and disk-type parts, and can process materials such as titanium alloys, stainless steel, and high-temperature alloys. The machine tool can also be used for the processing of various circular disk-type and gear-type parts in industries such as bearings, molds, automobiles, aerospace, ships, and locomotives.

        2. Machine main specification parameters

Worktable diameter

mm

600(Example)

According to user needs

Max. outer diameter

mm

600

According to user needs

Max. rotating diameter

mm

700


Hole diameter range

mm

60-500


Max. height

mm

400

The height is 100 when the hole diameter is 200

Worktable speed and power

r/min

2~150


Wheel head speed and power

r/min

1000~9000

15KW

Swiveling range


±90o


Max. load

Kg

500


X/Y-axis max travel

mm

1000/600


X/Z-axis move speed

mm/min

0~6000


X/Y-axis resolution

mm

0.001


B-axis resolution

o

1/1000o


B-axis indexing accuracy

3.6”



        3. Main accuracy of machine

Worktable radial runout

mm

0.002

Worktable axial runout

mm

0.002

grinding wheel spindle radial runout

mm

0.002

Griding wheel spindle axial runout

mm

0.002

X/Z-axis positioning accuracy

mm

0.008

X/Z-axis repeatability

mm

0.004

        4. Machining accuracy

1) Machining workpieces roundness:            ≤0.004 mm

2) Machining workpieces cylindricity:        ≤0.006/300 mm

3) Machining flatness of end face:           ≤0.005 mm

4) Perpendicularity of the end facing the inner and outer circle:         ≤0.01 mm

5) Surface roughness Ra:              ≤0.40 um

       5. Main customer

    1.洛陽世必愛特種軸承有限公司      

MGKF74220數控高精度立式復合磨削中心

2.沈陽黎明航空發(fā)動機(集團)有限責任公司  

MGKF74100數控高精度立式復合磨削中心

3.沈陽黎明航空發(fā)動機(集團)有限責任公司  

MGKF7460數控高精度立式復合磨削中心

 


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