BMR Floor Grinding Robot 850S

A floor plan becomes a working route only when the machine can locate itself within it. The BMR Floor Grinding Robot 850S brings that connection to surface preparation: LiDAR scanning identifies walls and columns, while intelligent path planning guides autonomous grinding. For contractors considering robotic equipment, the important discussion extends beyond grinding power to navigation, site access and the preparation task itself. This model combines automatic grinding with a defined concrete application: removing surface laitance.

The product is available through this page, by quotation.

Background

The manufacturer and the grinding range

Shenzhen BrightMaster Robotics Co., Ltd. manufactures the BMR floor grinding range. The named versions are Floor Grinding Robot 850M and Floor Grinding Robot 850S. Their specifications share an electrical supply arrangement, grinding power and working width, while dimensions, weight and grinding speed distinguish the versions. Those differences give procurement teams concrete points to assess rather than treating the range as a single interchangeable machine.

Floor grinding belongs to the preparation stage of a flooring project. Contractors assess the substrate, select the treatment and organise the work before subsequent finishing operations. Within the broader category of Flooring Robots, a grinding robot addresses material preparation rather than replacing every stage of floor construction. Keeping that distinction clear helps buyers define the equipment package around the actual project scope.

Navigation connected to the grinding task

The robot uses LiDAR scanning to identify the locations of objects such as walls and columns. Intelligent path planning, real-time positioning and autonomous navigation then support fully automatic grinding operations. This links the machine's understanding of its surroundings to the movement required for the task, rather than presenting navigation as an unrelated accessory.

The specified grinding arrangement uses a planetary disc. The stated applications include concrete laitance removal and work on epoxy, sealed hardener, emery sealed hardener, epoxy terrazzo, inorganic terrazzo and terrazzo floors. These application names establish the intended field of work; they do not replace a project-specific assessment of the existing floor and the required finished condition.

Technical Specifications

Specifications are as published by the manufacturer and are confirmed against the datasheet at quotation.

The manufacturer has not published the included accessories, noise level, IP rating, charging time, operating temperature range or grinding output per hour; these are confirmed at quotation.

The power supply type is a three-phase five-wire system. Read this alongside the voltage and frequency when planning the site electrical provision. The battery specification and operating range are separate entries from the grinding power and supply requirements; neither should be treated as a statement of continuous grinding duration.

What is the difference between Floor Grinding Robot 850S and Floor Grinding Robot 850M?

The clearest distinction is physical. The 850S weighs 627kg and measures 1520X866X1204mm, compared with 754kg and 2030X915X1275mm for the 850M. The 850S is therefore the lighter and shorter version. That comparison is useful when assessing movement through a building and the space allocated to equipment, but access planning still requires the actual route, openings and handling arrangements to be reviewed.

Grinding speed also differs: the 850S has a range of 0-2000rpm, while the 850M has 400-2000rpm. Both share 18.5kW grinding power and an 850±50mm working width. A shared width or power figure does not establish identical results on every substrate, so selection should remain tied to the floor condition and intended treatment rather than a presumed productivity ranking.

Automatic dust collection is listed for the 850M series. It is not a stated feature of the 850S, and the 850S dust collection power entry is a dash. That distinction does not establish an external extractor specification or a supplied extraction package for this model. Dust management therefore belongs in the quotation discussion, with the required arrangement identified explicitly rather than carried over from the sibling version.

Who is BMR Floor Grinding Robot 850S for?

The 850S is relevant to flooring contractors and construction teams assessing autonomous equipment for surface preparation. Its stated purpose makes concrete laitance removal a direct starting point for evaluation. Teams working with the listed floor types also have a basis for discussing their applications, provided the enquiry describes the existing surface and the result required.

For facilities teams overseeing refurbishment, the procurement question is broader than whether a robot can navigate. The work area, access route, electrical provision and dust-control plan all belong in the brief. The 850S specification gives those teams a defined machine to assess without implying that every site has the same requirements.

Buyers prioritising the lighter, shorter version should consider the 850S. Where automatic dust collection is a selection requirement, review the BMR Floor Grinding Robot 850M, because that function is listed for the 850M series. This is a functional distinction, not simply a choice between two sizes of otherwise identical equipment.

What is BMR Floor Grinding Robot 850S used for?

1. Concrete laitance removal: Removing surface laitance from concrete is the robot's stated design purpose.
2. Epoxy floor grinding: Epoxy floors are among the listed applications for its grinding operations.
3. Hardener floor preparation: Sealed hardener and emery sealed hardener floors are included in the stated application range.
4. Epoxy terrazzo work: The robot's listed floor types include epoxy terrazzo.
5. Inorganic terrazzo work: Inorganic terrazzo is another named application for project assessment.
6. Terrazzo floor grinding: Terrazzo floors complete the stated range of floor applications.

Pricing and Availability

Request a quotation for the 850S with a description of the floor, intended grinding task and site arrangements. Include access constraints, electrical provision and dust-management requirements so the discussion addresses the installation context as well as the machine. Identify any required accessories in the enquiry rather than assuming a standard package.

Delivery, customs and support are arranged with the quotation. To begin a project-specific purchasing discussion, request the quotation available on this page.

Frequently Asked Questions

How does the robot navigate?

LiDAR scanning identifies location information from objects such as walls and columns. The robot uses intelligent path planning, real-time positioning and autonomous navigation for fully automatic grinding operations.

What is the working width of the 850S?

The working width is 850±50mm. This is a machine specification, not a measure of completed floor area within a shift; project planning should distinguish working width from overall job productivity.

What electrical supply does it use?

The specified supply is 380 VAC with a three-phase five-wire system and a frequency of 50 HZ/60 HZ. These requirements should form part of the site's electrical planning before the equipment is selected.

Does the 850S include automatic dust collection?

Automatic dust collection is listed for the 850M series, not the 850S. Specify the required dust-management arrangement in the enquiry rather than assuming the 850S includes the sibling model's function.

Which floor types are listed?

The application range includes epoxy, sealed hardener, emery sealed hardener, epoxy terrazzo, inorganic terrazzo and terrazzo floors. The robot is designed to remove surface laitance from concrete.

How should the battery and operating range be interpreted?

The battery entry is 48V&30Ah and the operating range is 9km. These are distinct specifications and do not establish how long a particular grinding task will take or how much area it will complete.

Where can I buy BMR Floor Grinding Robot 850S and what does it cost?

The product is available through this page by quotation. Submit the application and site requirements to obtain a quotation covering the selected equipment and associated arrangements.

Summary

The value of autonomous grinding begins with connecting a floor layout to a controlled working route. The 850S combines LiDAR-based navigation and automatic grinding with a lighter, shorter format than the 850M, while retaining the shared grinding power and working width. Its suitability rests on matching the stated applications to the floor, electrical supply, access and dust-management plan. For a quotation that brings those requirements together, this page is the starting point.