BMR Indoor Coating Robot NP320 Pro

A ceiling does not forgive a tired arm. By mid-afternoon on a renovation site, the coat on the last wall rarely matches the first, and the difference is fatigue, not skill. The BMR Indoor Coating Robot NP320 Pro is built around that problem: a fully automated machine that coats interior walls, bay windows, ceilings and other architectural features with latex paint or putty, and that holds the same standard on the last wall of the day as on the first.

This product is available through this page, by quotation.

Background

The manufacturer and its lineage

The NP320 Pro is made by Shenzhen BrightMaster Robotics Co., Ltd. and sold under the BMR brand. The company works in construction robotics, and its machines are meant for the finishing stages of a building, where repetitive surface work consumes the most labor hours. Within that range, the NP320 Pro belongs to the interior coating family and sits next to machines for floors, putty grinding, exterior walls and facade cleaning.

The family has a sibling that is easy to confuse with this one. The BMR Indoor Coating Robot NP320 is the model for indoor emulsion paint spraying with a focus on spraying efficiency. The Pro version is the one described here, and its listed figures cover latex paint and putty alike.

Positioning and key technology

The NP320 Pro is positioned as a fully automated coating robot rather than a hand tool with a motor. Its work begins in software: it uses automatic path planning with BIM software, so the route through a room comes from the building model and not from an operator's judgment on the day. Laser SLAM indoor navigation lets the machine locate itself inside the space, and automatic obstacle avoidance keeps it clear of what it meets along the way.

Two further features support long working days. Intelligent monitoring keeps the job visible, and a dual-battery power management system supports the runtime listed in the table below. Together these features describe a machine intended to run a planned job with little intervention, in rooms that are rarely empty or tidy.

Buyers who want to see the wider range can browse the Interior Robots category, or the broader Construction Robots category.

Technical Specifications

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

The manufacturer has not published the power supply voltage, the battery capacity, the spraying pressure, the paint flow rate, the IP rating, the noise level, the package contents, the control app or interface, or the sensor models; they are confirmed at quotation.

What does the NP320 Pro do that a crew with rollers does not?

The first difference is consistency. A crew varies from person to person and from hour to hour. The NP320 Pro follows a planned path with a positioning accuracy of ±30mm and a coverage of ≥90%, so the pattern of work is the same from room to room. For a project manager who has to sign off a hundred identical apartments, that repeatability matters more than any single impressive figure.

The second difference is reach. The working height of ≤3100mm covers the ceilings of ordinary residential and commercial rooms without scaffolding or ladders for the spraying itself. That removes one of the slowest and riskiest parts of interior finishing.

The third is endurance. A battery life of ≥5h, a charging time of ≤2.5h and a 60L bucket let the machine work in long stretches. The dual-battery power management system is part of how that runtime is supported. The robot moves at ≤0.5m/s, which is a deliberate working pace, not a transport speed, and it suits a machine whose job is to apply a controlled coat.

The fourth is site tolerance. Real floors are not billiard tables. The robot can surmount obstacles up to ≤30mm high and trenches up to ≤50mm wide, and it can climb ≤10°. Thresholds, cable runs and slight ramps in a renovation site are therefore less likely to stop the job.

How does the NP320 Pro differ from the NP320?

The two machines share a family name and a purpose, but they are pitched at different work. The NP320 is the model for indoor emulsion paint spraying with a focus on spraying efficiency. The NP320 Pro coats both latex paint and putty, so it suits projects where the same machine has to handle more than one material.

If your work is almost entirely emulsion paint and speed of application is the priority, look at the NP320. If your scope includes putty as well as latex paint, the Pro version is the one to quote. Figures in the table above belong to the Pro only and should not be read across to the other model.

Who is the BMR Indoor Coating Robot NP320 Pro for?

Renovation contractors are the clearest buyers. They work in residential buildings, commercial offices, apartments and industrial plants, which are the environments the manufacturer names for this machine, and they feel the cost of repeated rework and slow finishing most.

General contractors on larger developments will value the BIM-based path planning, because it connects the robot to the same building model that governs the rest of the project. Developers of repeated apartment layouts can use the planned route and the consistent coverage across many identical units.

Industrial plant operators and facility owners who repaint large interior surfaces on a schedule also fit the profile. Their rooms are big, their ceilings are high, and the working height of ≤3100mm is a practical advantage.

Buyers whose work is mostly surface preparation should also look at the BMR Putty Grinding Robot, which addresses the step that follows putty application.

What is the BMR Indoor Coating Robot NP320 Pro used for?

1. Coating interior walls. The robot follows a planned path across wall surfaces and applies latex paint or putty in a controlled pass.
2. Coating ceilings. With a working height of ≤3100mm, it reaches ceilings that would otherwise need scaffolding or ladders.
3. Coating bay windows. The manufacturer names bay windows among the architectural features the machine is designed to handle.
4. Applying putty. Putty is one of the two materials the robot can coat, so it can take on the base layer of a finishing job.
5. Renovation of apartments and offices. Residential buildings, commercial offices and apartments are the typical sites for this machine.
6. Finishing in industrial plants. Large interior volumes in industrial plants suit a robot that works on a planned route with automatic obstacle avoidance.

Pricing and Availability

No price is printed on this page. A quotation is the way to buy: tell us the scope of the project, the materials you plan to coat and the site conditions, and we will respond with an offer. Delivery, customs and support are arranged with the quotation. The BMR Indoor Coating Robot NP320 Pro is available on this page.

Frequently Asked Questions

What materials can the NP320 Pro coat?

It can coat both latex paint and putty. It is designed for interior walls, bay windows, ceilings and other architectural features.

How long does the battery last, and how long does charging take?

The battery life is ≥5h and the charging time is ≤2.5h. The machine uses a dual-battery power management system.

How does the robot find its way around a room?

It uses laser SLAM indoor navigation and automatic path planning with BIM software. Automatic obstacle avoidance and intelligent monitoring support the work as it runs.

What obstacles can it cross?

It can surmount obstacles up to ≤30mm high and trenches up to ≤50mm wide. Its climbing angle is ≤10°.

How large is the bucket, and how heavy is the machine?

The bucket volume is 60L. The total weight is 680kg and the overall dimensions are 960×760×1750mm.

How high can it work, and how precisely does it position itself?

The working height is ≤3100mm and the positioning accuracy is ±30mm. The moving speed is ≤0.5m/s.

Where can I buy the NP320 Pro and what does it cost?

You can request a quotation through this page. The cost depends on the project and the delivery terms, so it is given in the quotation and not printed here.

Summary

The NP320 Pro answers the tired-arm problem with a machine that does not tire: a planned route, a coverage of ≥90%, a working height of ≤3100mm and a battery life of ≥5h. It handles latex paint and putty in residential buildings, offices, apartments and industrial plants, and it uses BIM-based path planning and laser SLAM navigation to do so. If you are weighing it against the emulsion-focused NP320 or the rest of the range, this page is the starting point.