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G818A Saddle surface grinder

It adopts the layout of a cross workbench, high-rigidity columns and precision spindles, and has a compact structure.

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G818A Saddle surface grinder
相关标签：平面磨床,精密平面磨,数控磨床

Product Features

  • 01
    This machine tool mainly uses the grinding wheel to grind various materials such as steel, cast iron and non-ferrous metals. Depending on the material and shape of the workpiece, different clamping and positioning methods can be used. Generally flat surfaces can be ground using electromagnetic chucks or directly fastened to the workbench; flat surfaces, right-angled surfaces, arbitrary angles, cylindrical end surfaces, etc. can be ground on fixtures (custom-made fixtures).
  • 02
    This surface grinder uses a single column fixed on the base. The spindle grinding head body is fixed on the column to move up and down (Y direction). The sliding frame moves forward and backward (Z direction) along the main machine. The workbench moves left and right (X direction) on the sliding frame. move.
  • 03
    The machine's columns, main engine, and machine head are all made of high-grade cast iron. Three-dimensional computer software is used to assist in the optimization design. The preparation of the internal stiffeners of the structure is analyzed and stress-relieved to improve toughness and prevent deformation.
  • 04
    The X-axis uses an independent hydraulic station and hydraulic cylinder to push the workbench back and forth on the main base to achieve smooth and smooth X-axis movement.
  • 05
    The Y-axis guide rail adopts precision slide rail to ensure smooth up and down operation of the spindle and correct manual feed.
  • 06
    The Z-axis uses an AC motor connected to the screw through a belt to drive the worktable to move forward and backward on the host to achieve smooth Z-axis feed.
G818A Saddle surface grinder

G818A-1.jpg

Specifications

Processing range

Forward and backward feeding

Upper and lower structure

Grinding wheel

Motor

Other

Table working area460X200mm
Maximum left and right movement540mm 
Maximum forward and backward movement250mm
Maximum distance from work surface to spindle center475mm
Maximum weight of the workbench150kg
Workbench T-slot14mm×1N
Workbench speed

5～25m/min

Front and rear hand wheel feed (1 grid)0.02mm
Automatic feeding forward and backward0.2～12mm
Fast forward and backward movement (50HZ)800mm/min
Up and down manual feed (1 grid)0.01mm
Manual feed up and down (1 turn)/
Grinding wheel sizeΦ205mm×6～20×Φ31.75mm
Spindle speed

2850rpm

Spindle motor2.25kW
Up and down drive servo motor/
Hydraulic motor1.5kW
Flush motor0.09kW
Front and rear drive motors0.08kW
Appearance size (L× W× H)1800×1400×1800mm
Gross weight1500kg

Component Description

X-axis, Y-axis, Z-axis guide rail and screw rod

The X-axis and Z-axis guide rails are pasted with American Turcite-B wear-resistant sheets. Its high load and low wear can ensure the minimum movement and the machining accuracy is easy to control.

The entire set of Y-axis slide rails is hardened, and the head base is precision ground to have low friction coefficient and shock-absorbing performance.

The Z-axis uses an ordinary screw, which has self-locking force, and uses automatic intermittent lubrication of the screw to make the screw move smoothly and achieve the lowest wear of the screw.

Spindle groupProduced by professional manufacturers in Taiwan, it is equipped with Japanese original NSK high-precision matching bearings in-house. The accuracy can reach within 0.003mm, and it requires no oiling for life.
lubricatingAn automatic non-circulating lubrication system is used to supply oil to each guide rail and screw rod, ensuring that all key parts are properly lubricated at any time.
Magnetic forceThe magnetic force of the suction cup can be adjusted according to the customer's workpiece processing requirements to facilitate grinding of thin parts.
Machine tool protectionThe X-direction is protected by three-proof cloth, and the Z-direction rail is protected by sheet metal. It has a clean appearance, good protection effect, and is sturdy and durable.
Use environmental conditions

Relative humidity: 35～90%R/H (no condensation)

Ambient temperature: 0℃_x005f∽40℃

Air medium: non-corrosive medium

Light: Sufficient and well ventilated

The machine tool should operate stably for a long time under the above working environment.

Operation and maintenance space

The dimensions of the G818A machine are 1800mm in length, 1400mm in width and 1800mm in height. For safety considerations and convenience in operation and maintenance, the space must be at least 500mm larger than the machine dimensions.


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