Automatic Nail Cutter Grinding Machine
The Automatic Nail Cutter Grinding Machine refaces and sharpens tungsten carbide and high-speed steel (HSS) cutting dies used in high-speed wire nail production lines. Continuous shearing impact dulls cutter edges, causing flash, burrs, and inconsistent point geometry on finished nails.
Description
Automatic Nail Cutter Grinding Machine
Product Overview
The Automatic Nail Cutter Grinding Machine refaces and sharpens tungsten carbide and high-speed steel (HSS) cutting dies used in high-speed wire nail production lines. Continuous shearing impact dulls cutter edges, causing flash, burrs, and inconsistent point geometry on finished nails.
Built on an annealed Meehanite cast-iron base with linear precision guide ways, this grinding system automates the wheel feed path to restore edge geometry to within 0.005 mm tolerances. Replacing manual off-hand grinding eliminates human error, standardizes clearance angles across paired die sets, and extends overall cutter tool life by up to 40%.
Key Features
Vibration-Damped Cast Frame: Cast iron structure undergoes thermal stress relief to prevent frame distortion and absorb micro-vibrations during high-RPM grinding passes.
Precision Variable-Speed Spindle: Direct-drive motor with dynamic balance indexing operates up to 4,500 RPM, maintaining uniform surface contact without thermal distortion.
Pneumatic Multi-Angle Fixture: Universal indexing head clamps round, rectangular, and tapered die profiles, locking cutter angles in 0.5-degree increments.
Active Coolant Recirculation: Integrated fluid pump with a two-stage magnetic separator removes steel particles and flushes the contact zone to prevent heat micro-cracking on carbide tips.
PLC Stroke Automation: Digital control panel allows preset pass counts, depth-per-pass increments down to 0.001 mm, and automatic spark-out cycles.
Technical Specifications
|
Parameter |
Technical Specification |
|
Model |
NC-G300 |
|
Applicable Cutter Material |
Tungsten Carbide / High-Speed Steel (HSS) |
|
Grinding Wheel Diameter |
Ø125 mm – Ø150 mm |
|
Spindle Speed |
2,800 – 4,500 RPM (Variable Frequency) |
|
Spindle Motor Power |
1.5 kW |
|
Axis Travel (X / Y Axis) |
150 mm / 80 mm |
|
Minimum Feed Increment |
0.001 mm |
|
Grinding Precision Tolerance |
≤0.005 mm |
|
Control Interface |
Industrial PLC with Touchscreen HMI |
|
Standard Electrical Configuration |
380V / 50Hz / 3-Phase (Custom configurations available) |
|
Dimensions (L × W × H) |
850 mm × 750 mm × 1,300 mm |
|
Net Machine Weight |
320 kg |
Applications
High-Capacity Nail Mills: Regrinding cutting knives for continuous-duty rotary and plunge-type nail machines (e.g., Z94 series).
Tooling Maintenance Depots: In-house re-sharpening of carbide-tipped wire cutting inserts, punches, and cold-heading dies.
Industrial Fastener Plants: Batch reconditioning of worn cutter sets to maintain consistent nail point angles and cut-off quality.
Wire Drawing & Mesh Workshops: Auxiliary sharpening for shearing tools and straight-cut wire blades.
FAQ
Q: Which grinding wheel media should be used for different cutter materials?
A: Diamond (PCD/SD) wheels are required for tungsten carbide cutters, while Cubic Boron Nitride (CBN) wheels are recommended for High-Speed Steel (HSS) tooling.
Q: Does operation require skilled machinist labor?
A: No. The automated PLC controls feed depth, pass rates, and dwell time. Operators clamp the workpiece, select the pre-stored program, and start the cycle.
Q: How does the system prevent thermal cracking on tungsten carbide?
A: Thermal damage is controlled through programmable feed increments (down to 0.001 mm per pass) combined with continuous flooded coolant delivery directly to the grinding interface.
Q: What electrical requirements are supported for overseas installation?
A: Standard units ship configured for 380V/50Hz/3Ph. Custom transformers for 220V, 415V, or 480V at 60Hz can be integrated prior to shipment.
Q: How is the machine packaged for ocean freight?
A: Machines are coated with rust-inhibiting grease, wrapped in moisture-barrier foil, bolted to a pallet base, and enclosed in a fully sealed, ISPM 15-compliant wooden crate.
Request a Quote
To receive an itemized technical proposal, lead time, and freight quotation, provide the following details in your inquiry:
- Required input voltage and frequency.
- Target cutter dimensions and material types (Carbide or HSS).
- Estimated volume of cutter sets re-sharpened per week.
Submit your specifications to receive a response from our engineering team within 24 business hours.
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