Brushless Variable Speed Angle Grinder

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Brushless Variable Speed Angle Grinder
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Engineered for delicate surface finishing, stainless steel blending, and multi-material fabrication, this brushless variable speed angle grinder features a digital microprocessor dial.
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Brushless Angle Grinder
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Description

Engineered for delicate surface finishing, stainless steel blending, and multi-material fabrication, this brushless variable speed angle grinder features a digital microprocessor dial. It allows operators to precisely match motor RPM to specific applications, combining the efficiency of a brushless motor with ultimate surface control.

 

Technical Specifications

 

Feature

Specification

Voltage Platform

20V Max Lithium-Ion (Cordless)

No-Load Speed Range

3,000 - 10,000 RPM (6-Stage Digital Dial)

Disc Diameter

4-1/2" to 5" (115mm - 125mm)

Spindle Thread

M14 / 5/8"-11 Standard Lock Mount

Switch Type

Side Slide Switch with Lock-On Safety

Tool Weight (Bare)

1.9 kg (4.2 lbs)

 

Digital Variable Speed Architecture

 

Precision Multi-Stage Speed Dial: Offers user-selectable RPM ranges from 3,000 to 10,000 RPM, allowing fine-tuned control for polishing, sanding, and aggressive cutting.


Digital Load-Adapting Feedback: Automatically senses increased friction and applies compensating current to maintain selected RPM under heavy pressure without bogging down.


Smooth Acceleration Ramp: Electronically controlled soft-start prevents surface gouging and abrupt torque jolts upon initial trigger pull.

 

Brushless Motor & Thermal Design

 

Friction-Free Induction Design: Eliminates physical carbon brush wear, reducing internal operating temperatures by up to 30% for extended tool service life.


Optimized Winding Insulation: High-grade resin-sealed copper stators prevent metal dust infiltration and short circuits during heavy grinding operations.


Smart Thermal Cutoff: Internal thermal sensors protect the inverter and motor windings from overheating during prolonged low-speed polishing tasks.

 

Safety Protection Technologies

 

Electronic Kickback Brake: Instantly halts wheel rotation within fractions of a second upon detecting a sudden bind-up, pinch, or stall, minimizing operator injury risk.


Anti-Restart Lock-Out Protection: Prevents accidental motor activation when a fresh battery pack is inserted, requiring a manual switch reset before operation resumes.


Overload & Thermal Shutdown: Automatically cuts power if current draw or internal operating temperatures exceed safety thresholds, preventing premature motor burnout.


Drop-Sensing Shock Abatement: Integrated accelerometer actively senses abnormal free-fall motions or sudden tool drops, cutting circuit power immediately to prevent unsecured spinning hazards.

 

Applications

 

Stainless Steel Mirror Polishing: Lower RPM settings (3,000 - 5,000 RPM) prevent heat discoloration and burn marks when using non-woven conditioning discs and felt pads.


Weld Seam Blending & Smoothing: Mid-range speeds provide optimal stock removal rates with zirconia flap discs without gouging the parent metal.


Stone & Composite Edge Profiling: Fine-tunes material removal speed when shaping granite, marble, or engineered quartz countertops.


Rapid Metal Cutting: Max speed setting (10,000 RPM) delivers fast, clean cuts through structural rebar and steel pipe using thin cutoff wheels.

 

Kit Configuration

 

Standard Industrial Package:

  • 1 x Precision-Pro Variable Speed Grinder Body (PVS-BL2060)
  • 1 x Anti-Vibration Auxiliary Side Handle
  • 1 x Tool-Free Protective Guard (Type 27)
  • 1 x Inner Flange, Pin-Nut & Spanner Wrench
  • 1 x Technical Operator Manual


Accessory Ecosystem: Fully compatible with standard 20V Max battery packs and optimized for backing pads, flap discs, and polishing bonnets.

 

Quality Assurance

 

100% Speed-Dial Calibration Test: Every variable speed control board is digitally tested across all 6 stages on automated test rigs to ensure precise RPM output accuracy.


Dynamic Load Profiling: Finished tools undergo computerized torque testing to verify constant-speed feedback stability under mechanical resistance.


International Safety Certifications: Manufactured under ISO 9001 standards and fully certified to CE, ETL, and RoHS compliance requirements.

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Frequently Asked Questions

 

Q: Why is variable speed important on an angle grinder?

A: Different materials and applications require different speeds. Lower speeds prevent heat buildup and burning when polishing stainless steel or stone, while higher speeds are necessary for fast cutting.

Q: Does the tool maintain its speed when I press hard against the metal?

A: Yes. The digital load-adapting feedback sensor detects resistance and automatically boosts power to maintain your selected RPM without bogging down.

Q: Can I use standard grinding discs on this variable speed grinder?

A: Yes, it accepts all standard 4.5-inch and 5-inch grinding wheels, cutting discs, flap discs, and backing pads with a 22.23mm bore.

Q: Are there carbon brushes that need to be replaced in this motor?

A: No. The advanced brushless motor design eliminates carbon brushes entirely, reducing maintenance requirements and increasing overall motor efficiency.

Q: What battery platforms are compatible with this model?

A: It is fully compatible with all [Brand Name] 20V Max slide-style lithium-ion battery packs.

Q: How do I select the right speed for polishing versus cutting?

A: Use stages 1-3 (3,000–6,000 RPM) for polishing, buffing, and sensitive surface work; use stages 4-6 (7,000–10,000 RPM) for heavy grinding and rapid metal cutting.

Q: What safety features are built into the switch mechanism?

A: It includes an electronic kickback brake, anti-restart protection, and a lock-on side slide switch to ensure comprehensive operator safety.

Q: What warranty coverage is included with commercial purchases?

A: We provide a 3-Year Commercial Manufacturer Warranty covering electrical, motor, and mechanical assembly defects.

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