Dry Line Graining Machine: Perfecting Sheet Metal Linear Finishing
- Vacuummagnetic worktable: The machine holds tiny parts securely which prevents the workpiece from sliding during high-speed graining.
- Highbelt speed: With highly stable and linear cutting power, line graining machine removes surface scratches and laser slag in one pass.
- Ra < 0.4 µm surface roughness: It meets strict surface quality requirements for medical-grade and high-end architectural components.
- Perfect edge rounding consistency: A multi-directional rotating brush ensures uniformpassivation on all sheet metal part edges.
- WES3000 explosion-proof filtration system: This machineuses a large-capacity dust collection design to capture all hazardous aluminum and carbon dust.
Ultimate Precision Linear Graining Machine: Global Processors Choose the ARMPRE System
To get a perfect and uniform look on stainless steel and aluminum that meets strict appearance standards, you need to control friction heat and tiny burrs carefully. ARMPRE’s line graining machine is carefully designed to meet your needs for both beauty and performance.
With high-pressure wet cooling or advanced dry vacuum technology, this linear finishing system prevents heat from warping thin sheets. It captures harmful dust before it can damage the surface. The result is a clean and even fine-grained texture which is ready for welding or painting right away.
With the advanced CNC system and automatic thickness sensing technology, the line graining machine’s smart abrasive tracking feature can cut your processing cycle time and lower your manual rework costs. This extends sanding belt life and brings great economic benefits to your operations.
The line graining machine uses a heavy-duty reinforced frame and built-in dynamic pressure sensors. It delivers a fine and scratch-free finish on very thin sheets. At the same time, it can handle higher structural loads and provides strong slag removal torque for heavy industrial panels. As a leading manufacturer in metal processing, ARMPRE speeds up your return on investment and comes with a 5-year warranty on the frame.
Plasma Deburring Machines
Engineered specifically for the most demanding metal-cutting environments, ARMPRE’s plasma deburring machine combines precision surface finishing capabilities with the power to aggressively remove heavy slag and execute edge rounding.

This line graining machine is designed for narrow strips and precision parts. It delivers highly detailed linear textures for medical devices, food processing equipment and precision hardware components.

As one of the most versatile model, this line graining machine provides high-precision finishing on thin metal sheets and medium-thickness structural parts.

This heavy-duty and high-power machine is built for extra-thick plates and large-diameter panels. It comes with a reinforced drive system and a high-torque motor.
Optional Accessories For Deburring Machine
Overview Machine Processing Configurations
Armpre series metal deburring machines to remove burrs, round edge, finish, remove laser oxide ,remove surface rust , remove slag from welding or laser cutting.

Pre-deburring
Deburring
or No.4 Finish
or Hairline Finish
or Polishing

Pre-deburring
Deburring
No.4 Finish
or Hairline Finish
and Polishing

Pre-deburring
Deburring
No.4 Finish
or Hairline Finish
Edges Rounding

Deburring
Edges Rounding
No.4 Finish
or Hairline Finish
or Polishing
Why Choose Us
Engineering excellence and turnkey solutions designed to optimize your production efficiency.

Send us your workpiece; we deliver high-precision sample parts for your evaluation.

Join our global distribution networkand, unlock industrial-grade growth.

Expert engineering assistance from pre-sale selection to on-site commissioning.

Cloud-based troubleshooting and remote software updates for zero downtime.

Genuine replacement parts and custom tooling shipped quickly to secure production.

Access OEE analysis, cycle time estimates, and tailored production solutions.
Efficient Linear Grinding System for Even Texture and 50% Energy Savings
Unlike traditional manual or vibrating sanders, ARMPRE uses an advanced linear belt drive system. Even at high feed speeds, this linear grinding machine delivers strong and stable cutting power. It ensures zero stalling during the grinding of heavy industrial panels. This system design not only improves the continuity of long-line grinding but also lowers abrasive wear and energy use. As a result, you save thousands of dollars each year on consumable costs without losing industrial-grade power or all-day running stability.


Micron-Level Precision for Satin and Linear Texture Finishes
Controlling grinding pressure and belt speed precisely is the key to achieve perfect brushed or satin polished metal finishes. ARMPRE’s linear grinding machine comes with a multi-axis rotating brush system and a precise pneumatic belt tensioner. This removes human error while delivering even textures and deburring results. The texturing system removes tough oxide layers from metal surfaces. It gives your high-end products a flawless linear texture finish and helps you gain customer approval and boost your brand reputation.
High-Flow Vacuum and Magnetic Bed for Professional Small-Part Processing
ARMPRE’s line graining machine is equipped with a high-flow vacuum system and an integrated magnetic worktable. During line texturing, it creates a suction force of over 5000Pa. The combined worktable design stops small and complex parts from moving or getting uneven surfaces. Even during high-intensity texturing, our line texturing system keeps parts as small as 50mm stable. The synchronized linear sanding belt reaches deep into pores and complex edges, giving you a consistently high-quality surface finish.

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Quem alienum reprimique at duo. Mea elit denique complectitur an, vis ullum quaestio assueverit in. Cum no accusam philosophia.

Quem alienum reprimique at duo. Mea elit denique complectitur an, vis ullum quaestio assueverit in. Cum no accusam philosophia.
Comparison of Product Details
More About Our Company
- Characteristics Key Advantages
- Exhibition Gallery
- Factory Gallery
| Characteristics | Values |
| Working width available | 30″/800 mm-40″/1000 mm-50″/1300 mm-60″/1600 mm |
| Min.Working length | 2”×2″/50 mmx50 mm |
| Working thickness | 0-4″/0-100 mm |
| Working materials | carbon steel, stainless steel , aluminum, copper, titanium |
| Max speed | 195 in/min/5000 mm/min |
| Voltage | 480V/3 ph |
| Frequency | 60 Hz |
| Working table structure | Vacuum/Magnetic as Standard |
| Controller | PLC |
| Sand Belt Mesh | #60/#80/#120/#180/#240/#320 |
| Dust collector | Dry/Wet Dust collector |
Belt consumption depends on material hardness and desired surface texture. However, our optimized pneumatic belt tensioning system reduces belt wear by up to 25% compared to standard systems. This lowers your long-term consumable costs.
The exact number depends on your machine model configuration. With heavy-duty modular wide belt designing, ARMPRE’s line graining machine delivers even and edge-to-edge linear graining on sheets up to 1500mm wide. It flexibly adapts to different needs, from narrow strips to extra-large industrial panels.
The high-flow vacuum table creates a suction force of over 5000Pa, while the integrated magnetic zones securely hold ferrous parts as small as 50mm. This completely removes workpiece movement and ensures even texture with no safety risks.
The wet line graining machine is the safer and better choice. Grinding aluminum easily creates highly combustible dust. It stops dust at the source, removes explosion risks, and also prevents heat warping of thin sheets.
One fully automatic line graining machine can replace 3 to 4 manual workers by integrating line graining and 100% dead-angle-free edge rounding in one pass. By greatly reducing labor costs and increasing output by up to 5 times, ARMPRE ensures an ROI within 8 to 12 months.
Yes. In addition to providing complete multi-language video tutorials and remote diagnostic support, ARMPRE can also send engineers around the world for on-site setup and parameter calibration. This ensures your machine delivers flawless surface results from day one.
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The metal surface finishing industry is highly competitive. Choosing the right line graining machine makes a careful investment in precision, material compatibility and long-term running efficiency. This guide aims to answer the key questions every purchasing manager and technical director may have. It will help you make a confident and smart decision.
- How can you use a line graining machine to get perfect brushed edges and skip post-processing steps?
Traditional manual finishing leaves behind too many scratches, uneven textures and directional color changes. This increases your post-processing labor costs. A line graining machine gives you high-quality linear metal finishing while lowering your labor costs. It provides even, burr-free edges and surfaces that are ready for welding or painting right away, with no need for extra grinding or hand polishing.
Our line graining machine combines belt stability with a multi-directional rotating brush to deliver excellent edge quality. The rotating brush removes sharp micro-burrs and edge slag from contours. It clears them away before surface oxidation can occur. This keeps your material looking consistent and attractive. The result is smooth and burr-free edges with a bright satin finish.
- How does a line graining machine maintain precise surface uniformity under high dynamic stress?
Traditional linear metal finishing machines can lose precision and pressure consistency after six months of high-speed operation due to mechanical fatigue. This leads to uneven textures. But ARMPRE’s line graining machine delivers high-precision surface results thanks to its excellent structural rigidity. Our machine comes with a heavy-duty frame that has undergone strict stress relief treatment.. This effectively suppresses vibration even under constant material feed forces.
Our advanced pneumatic tracking and tensioning system ensures precise control over grinding depth, with positioning accuracy of up to ±0.05 mm. During processing, our line graining system makes sure every part meets the strict appearance tolerance standards for architectural detailing and precision enclosure manufacturing.
- When working with heat-sensitive or easily deformable materials, what thermal management strategies ensure structural integrity?
If you face the dual challenges of thin sheets warping from friction heat and thick plates producing heavy slag or over-grinding, then a wet line graining machine is the right choice for you.
With its smart Cool-Cut water circulation system and CNC controls, the machine adjusts the spray amount and abrasive pressure in real time based on feed speed. This prevents heat from building up in sharp corners or on complex part shapes. For heat-sensitive thin sheets, the continuous water-cooling logic and optimized belt speed settings ensure vertical and clean texture lines across material thicknesses from 0.5mm to 100mm. At the same time, it completely removes the risk of heat warping or physical distortion.
- Can a line graining machine deliver ROI within 12 months?
To keep your low initial capital spending and ongoing maintenance and consumable costs, an automatic line graining machine boosts shop floor productivity by more than five times. Compared to traditional manual finishing or vibrating sanders, this linear finishing system replaces 3 to 4 workers in one operation. This significantly lowers your labor costs.
The machine reduces manual intervention with its integrated cooling system and extends sanding belt life. This gives you a very long service life while improving material use and output consistency. By cutting down on material waste, manual rework and labor cost, the machine shortens your payback period in a short period.
- How can a line graining machine safely and securely handle small or complex-shaped parts?
Small or complex-shaped parts often move or fly out during high-speed grinding. This is a common cause of finishing failures and safety risks for operators. A line graining machine maintains precision and safety even when processing irregular or tiny materials. The machine comes with a high-flow vacuum table that creates a suction force of over 5000Pa. It also has integrated high-strength magnetic zones that lock and hold the workpiece in real time. This keeps the abrasive brush’s focal distance constant.
The system compensates for differences in part size. It ensures consistent grinding depth throughout the entire line graining process. Even parts as small as 50mm get a uniform surface finish without any physical movement during processing.
Conclusion
ARMPRE’s line graining machine delivers perfect surface uniformity with no manual rework and boosts production efficiency by five times. Ready to optimize your workflow and significantly lower your operating costs? Contact our engineering experts now for a free and customized quote!






































