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G7020S Moving column full cover surface grinder

Depending on the material and shape of the workpiece, different clamping and positioning methods can be used.

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G7020S Moving column full cover 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 adopts a structure in which the spindle grinding head body is fixed on the column and moves up and down (Y direction), the column moves forward and backward (Z direction) along the main base, and the workbench moves left and right (X direction) on the main base.
  • 03
    The machine's columns, main machine, and workbench are all made of high-grade cast iron, and are optimized and designed using three-dimensional computer software. The preparation of the internal reinforcement ribs of the machine tool has been simulated and analyzed to improve the strength of the machine tool 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. The external hydraulic station is equipped with an oil cooler, which reduces the temperature rise of the oil temperature during operation, reduces the change of hot and cold vehicles, and does not cause deformation of the main engine.
  • 05
    The Y-axis uses a Mitsubishi servo motor to drive the precision ball screw connected to the grinding head to move up and down to achieve precision feeding of the grinding head.
G7020S Moving column full cover surface grinder

平面磨床

Specifications

Processing range

Forward and backward feeding

Upper and lower structure

Grinding wheel

Motor

Other

Table working area2000×700mm
Maximum left and right movement2230mm
Maximum forward and backward movement760mm
Maximum distance from work surface to spindle center700mm
Maximum weight of the workbench1500kg
Workbench T-slot16mm×3N
Workbench speed

2～25m/min

Front and rear hand wheel feed (1 grid)0.02mm
Automatic feeding forward and backward×1，×10
Front and rear automatic feed positionBoth ends or one side
utomatic feed amount before and after0.2-20mm
Fast forward and backward movement (50HZ)1250mm/min
Digital Display0.001mm
Fast lifting speed750mm/min
Manual feed servo motor method×10~~×1
Minimum feed0.001mm
Canned cycle Rapid feed → rough grinding → fine grinding and return             Coarse→fine→return
Grinding wheel sizeΦ350mm×40×Φ127mm(可选Φ400mm×40×Φ127mm）
Spindle speed1450rpm
Spindle motor11kW
Up and down drive servo motor1kW  
Hydraulic motor5.5KW
Flush motor0.2kW
Front and rear drive motors0.2kW
Appearance size (L× W× H)7000×5000×2650mm
Gross weight9500kg

Component Description

Three-axis guide rail

The X-axis adopts a double V design, which is suitable for heavy-duty and form grinding of larger machines. The slide rail surface of the worktable is coated with Teflon (Turcite-B) to reduce the damping coefficient and ensure smooth operation of the worktable. It is made with exquisite craftsmanship. Scraping processing, combined with automatic lubrication system forced lubrication, ensures accuracy and durability, and increases the service life of the machine.

The Z-axis slide rail adopts a double V-type design, is coated with Turcit-B, and is precision scraped by hand to ensure smooth movement. The motor drives the precision ball screw through a synchronous belt, driving the column to make precise forward and backward feeds on the main frame.

The Y-axis slide rail adopts precision sliding guide rail to ensure smooth up and down operation of the spindle and good accuracy. The precision-grade ball screw is driven by a Mitsubishi servo motor, which has high rigidity and sensitive response. The minimum feed accuracy can reach 0.001mm. Y-axis MPG feed replaces the traditional handwheel feed, improving the accuracy and convenience of up and down feed, and making the operation more flexible.

Spindle groupThe spindle is the heart of the machine tool. The spindle is selected from a famous Taiwanese brand. The spindle manufacturer uses high-quality and high-precision selected special materials. It undergoes strict heat treatment processes and precision machining to ensure that the spindle can obtain high-quality materials. The large outer diameter cartridge spindle, combined with the wide spindle seat, stable column and high-power spindle motor, has high cutting power and high accuracy maintenance. The spindle is filled with special grease and adopts a unique The labyrinth seal protection design enables the spindle to be used for a long time without maintenance.
Automatic grinding settings

Automatic grinding can be set to rough grinding, fine grinding, and smooth grinding. The amount of feed, the number of feeds, and the number of smooth grinding can be directly input for various grinding methods.

Multiple grinding modes can be set, the last grinding cycle can be stored, and Z-shaped grinding can be performed to improve efficiency.

Control system

The Japanese Mitsubishi PLC control system is stable and reliable, and has fewer control lines than traditional lines, fewer faults, and is easy to maintain, modify and monitor.

LCD touch screen panel settings: LCD touch screen, soft key panel, each grinding condition setting is clear at a glance, simple and easy to operate. Its parameters are stored in Flash RAM to prevent data loss during power outages.

LCD touch screen panel settingsLCD touch screen, soft key panel, various grinding condition settings are clear at a glance, the touch screen is equipped with various grinding methods, and the operation is simple and convenient. It is easy to learn and understand, and does not require professional training. Its parameters are stored in flash memory (Flash RAM), so there is no problem of data loss due to power outage. The front and rear feed can be set through the buttons on the control panel, and the tool can be set by inching left and right.
lubricatingIt adopts a forced circulation lubrication device and installs a lubricating oil cooler. The constant oil temperature improves accuracy. It can automatically and completely lubricate the entire machine and recycle it, saving unnecessary expenses on lubricating oil.
Hydraulic oil coolingThe hydraulic station is equipped with an air cooler to dissipate the heat of the hydraulic oil, making the temperature rise of the hydraulic oil smaller and the thermal deformation of the corresponding machine also smaller.
Remove dandruffThe standard magnetic separator allows customers to reduce the time of changing cutting fluid and improve the grinding surface quality.
Machine tool protectionThe standard ship-shaped splash guard and large rear wall panel prevent the cutting fluid in the workbench from splashing outside the workbench.
Machine tool power requirements

Machine voltage: 380V±10%

Machine power: 18KW

Power frequency: 50∕60 HZ±2%

Full load current: 25A

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 spaceThe size of the G7020S machine is 7000mm in length, 5000mm in width and 9500mm in height. For safety reasons and convenience in operation and maintenance, the space must be larger than the size of the machine. It is recommended to leave 0.5 meters of space on the left, right and back.


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