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Home Concrete Floor Grinder 680-4A Excellent Self-propelled Floor Grinder And Polisher With Gear Drive System

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680-4A Excellent Self-propelled Floor Grinder And Polisher With Gear Drive System

The 680-4A is a self-propelled floor grinder. It's forward/reverses switch can be used to control the forward and backward movement of the driven wheel so that the user can get rid of the action of manually pulling or pushing the machine to forward/reverse, which greatly saves manpower and facilitates user operation.

  • Brand:

    High Tech Grinding
  • Item NO.:

    680-4A
  • Product Origin:

    Fujian, China
  • Color:

    Black And Silver
  • Shipping Port:

    Xiamen
  • Lead Time:

    7-20 Days
Product Detail

680-4A Excellent Self-propelled Floor Grinder And Polisher With Gear Drive System


Specifications

Model

Self- propelled Floor Grinder 680-4A

Voltage

380V-440V 3 phase

220V-240V 3/1 phase

Ampere

20A

34.6A

Working width

680mm

Grinding disc

230mm*4

Motor Rotating speed

350-1680rpm

Motor HP

11KW/15HP

Inverter

15KW/20HP

Configuration

WEG motor + Delta inverter

Weight

425kg/937lbs

Extra weight

20kg x 2

Water tank

15L  


Product display

HTG 680-4A concrete polisher and grinding machine

• 25°Slope grinding Can grind up to 25-degree ramp for underground parking.

• Rechargeable battery Charging during work, external 220v charging, can use for 30 minutes.

• Gear drive system: Grinding is more precise and more efficient, solving the two problems of motor consumption caused by belt drive and belt slip. Gears - produced by Swedish Reischauer and Taiwan high precision CNC machine. The new gearbox is newly designed, waterproof and dustproof, and has excellent sealing performance, which increases the service life of the internal components and improves the grinding precision.

• Floating dust shroud: The height of the dust cover can be automatically adjusted according to the abrasive consumption situation and the ground height difference. When change abrasive, the dust cover does not fall off, can saves time and effort. What's more, improve the vacuum efficiency of the industrial vacuum cleaner.





Floor grinder with floating dust shroud


Package


Floor grinder with floating dust shroud



FAQ

Q1:How do you buff and polish a concrete floor?

A1:

Step 1: Check the floor surface condition.

Step 2: Grinding with metal pads HTG-2Y 30# 60#.

Step 3: Clean the floor surface.

Step 4: Repair surface with HTG-EC-1008 and metal pads 120#

Step 5: Polishing with resin pads HTG-C310 50# 100#.

Step 6: Harden the surface with densifier HTG-EC-L01.

Step 7: Polishing with resin pads C310 200# 400# 800# 1500#.

Step 8: Apply sealer HTG-EC-S01 on the surface.

Step 9: Buffing with a high-speed polisher and buffing pads.


Q2:How do you fix holes and cracks on floor with grinding machine?

A2:

Grinding repairing is suitable for the hole less than 10mm and cracks less than 1mm.

①Tools: 680-4A,dustless cutting machine, diamond pads, EC-1008, fast drying cement, bucketm watering can.

②Clean all the sundries on floor with a acuum cleaner.

③Apply a sufficient EC-1008 repair agent when there is no obvious water logging.

④Grind directly with a 680-4A planetary grinding machine with the diamond pad(120#) until all holes and cracks are filled(speed should be 800-1000rpm)

⑤Check whether the repair is completed, protect the ground with water 3-5 times.



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