NK-250
Ren Thang Machine
NK-250
Tungsten Carbide Steel Blade (NK-200 / NK-250)
超硬鎢鋼刀 (NK-200 / NK-250)
The NK-250 is a premium micro-grain tungsten carbide circular cutting blade (250 mm diameter; also available in 200 mm as NK-200) engineered for KA-series PCB lead trimmers. Offering exceptional hardness and wear resistance, its precision-honed cutting edge guarantees razor-sharp, burr-free cuts.
Processing & Feature Tags
ENGINEERING SPECIFICATIONS
Machine Specifications & Performance
Processing Capacity 可重複研磨 20 ~ 30 次以上
Power / Air Supply 搭配切腳機主軸運轉 (無需獨立電源)
Standard Tolerance 刃口精密鏡面研磨 18°
Dimensions (L×W×H) Ø200×3.5T×Ø70mm (8吋) / Ø250×3.5T×Ø70mm (10吋)
Net Weight 約 1.2 ~ 1.8 kg
Catalog Page & Status
P.16 (Catalog_0016) • 在產 (Active)
【Key Machine Features & Advantages】
- Dedicated micro-grain tungsten carbide circular cutting blades designed for Ren Thang KA series PCB lead trimmers.
- Covers both standard diameter options (NK-200 and NK-250):
- • NK-200: OD Ø200mm (8-inch) × Thickness 3.5T × Bore Ø70mm × 18° bevel angle
- • NK-250: OD Ø250mm (10-inch) × Thickness 3.5T × Bore Ø70mm × 18° bevel angle
- Wide compatibility: fully matches KA-8, KA-66, KA-B6, KA-22 manual and inline cutters.
- Crafted from premium Japanese tungsten carbide alloy delivering supreme hardness, wear resistance, and long tool life.
- Can be repeatedly re-sharpened 20 to 30+ times using the KA-680 blade grinder, drastically reducing operating costs.
- Operating notice: After-cut lead length should not be shorter than 0.8 mm to protect both PCB surface and blade edge.
【Revision Notes】 NK-250 產品內已完整涵蓋 NK-200 規格。
Lead Forming & Geometric Parameter Specifications
Unit: mm / Custom tooling available Dimension & Bending Schematic NK-250
Callouts match specifications in the table (Click image to enlarge)
| Code | Parameter | Standard Value / Range | Engineering Notes |
|---|---|---|---|
| NK200_SPEC | NK-200 Specifications | Ø200(外徑) × 3.5T(厚度) × Ø70(內孔) mm × 18° | 8-inch ultra-fine grain tungsten carbide round blade, suitable for KA series |
| NK250_SPEC | NK-250 Specifications | Ø250(外徑) × 3.5T(厚度) × Ø70(內孔) mm × 18° | 10-inch ultra-fine grain tungsten carbide round blade, suitable for KA series |
| CUT_ANGLE | Cutting Bevel Angle | 18° (標準常用研磨角) | Mirror precision grinding for smooth cutting without damaging the board |
| THICK_T | Blade Thickness | 3.5 T (3.5 mm) | High bending rigidity and impact-resistant tungsten carbide alloy |
| RE_SHARP | Re-sharpening Durability | 可重複研磨 20 ~ 30 次以上 | Used with KA-680 special grinder to greatly save consumable costs |
TECHNICAL DOCUMENTATION
View All Technical Documents →
Technical Documents & User Manuals
Digital manuals for this machine are being archived. Please email engineering for direct documentation. Request Manual →
GENUINE CONSUMABLES
View All Spare Parts →
Recommended Genuine Consumables & Spare Parts
Genuine replacement blades, belts, and dies are kept in stock for this machine line. Browse Parts Catalog →
