PRODUCT DETAILS
Industrial HSS Three-Knife Paper Book Trimmer Blades
Ma'anshan Guangchuan Machinery Knife Mold Technology Co., Ltd. is a professional manufacturer of high-precision three-knife trimmer blades built for post-press bookbinding and high-volume paper finishing lines. Our three-side cutting knives trim the head, tail and fore-edge of book blocks and stacked sheets in a single stroke, delivering uniformly square corners and burr-free edges. Manufactured from premium high-speed steels with vacuum heat treatment and precision CNC grinding, these blades retain sharpness through extended production runs, reducing sharpening downtime and elevating finished product quality.
- Order(MOQ)
- 1
- Payment
- TT,LC
- Product Origin
- China
- Color
- N/A
- Shipping Port
- Ma'anshan Shipping Port
- Lead Time
- 30 days
Need a custom size or material? Send us your drawing.
Product details
These three-knife paper trimmer blades feature precision-drilled counterbore holes for direct drop-in fit on mainstream binding equipment. Their uniformly hardened cutting edges resist paper fiber abrasion and coating buildup, ensuring consistent cut depth and clean edges across thick stacks of coated paper, book blocks and cardstock.
Technical Specifications
|
Feature |
Technical Details |
| Material | HSS (M2/W18Cr4V), D2 (SKD11), TCT Carbide-Tipped, Solid Carbide (Customizable) |
| Hardness | 60-64 HRC (HSS); 58-62 HRC (Alloy Steel); 88-92 HRA (Carbide) |
| Tolerances | Straightness ≤ 0.005mm; Flatness ≤ 0.003mm; Mounting Hole Position ±0.01mm |
| Blade Set Configuration | 1 front knife + 2 side knives (custom sizes per machine model) |
| Thickness Range | 8mm to 16mm (Tailored for three-knife trimmer tool holders) |
| Mounting Type | Precision counterbore holes, custom hole quantity and spacing |
| Processing | Vacuum quenching, deep cryogenic treatment, CNC profile grinding, mirror edge finishing |
Main Features
- Single-Stroke Three-Edge Trimming Accuracy: Precision-machined straightness and matched blade height guarantee perfectly square cut corners on three sides in one operation, eliminating secondary manual trimming.
- Coated Paper Wear Resistance: Optimized material hardness and polished edges resist abrasion from glossy coated paper and ink residues, maintaining sharp cutting performance for longer production intervals.
- Drop-In Precision Mounting: CNC-drilled counterbore holes match machine tool holders with zero clearance, avoiding blade offset and ensuring stable, vibration-free cutting at high cycle speeds.
- Uniform Full-Length Hardness: Advanced vacuum heat treatment and cryogenic stabilization deliver even hardness across the entire cutting edge, preventing localized dulling and uneven wear.
- Thickened Impact-Resistant Substrate: Reinforced blade body withstands the impact of cutting thick paper stacks, resisting bending and edge chipping under heavy cyclic loads.
Advantages
- Premium Finished Product Quality: Clean, chip-free cut edges and precise 90° square corners give books, brochures and packaging a professional, market-ready appearance.
- Reduced Material Waste: High cutting accuracy minimizes trim margins and eliminates defective products caused by uneven cuts, lowering overall paper consumption.
- Faster Changeover & Setup: Drop-in compatible hole positioning removes tedious alignment work, cutting blade replacement and commissioning time.
- Extended Service Life: Premium tool steel and optimized heat treatment deliver the wear life of ordinary paper cutting blades, reducing spare part procurement costs.
- Cost-Effective OEM Alternative: Factory-direct pricing provides OEM-level precision and durability at significantly lower costs for printing and binding enterprises.
Product Applications
- Machine Compatibility: Three-knife book trimmers, three-side paper cutting machines, automatic book binding lines, high-speed post-press finishing systems.
- Material Compatibility: Offset paper, coated art paper, white cardboard, kraft paper, book blocks, pamphlets, paper packaging boxes.
- Industry Applications: Commercial printing plants, bookbinding factories, packaging & printing enterprises, stationery manufacturers, paper product processing plants.
- Typical Use Cases: Book block three-edge trimming, magazine & brochure finishing, cardboard pre-cutting, stacked paper size trimming.
Why Choose Us
- Post-Press Finishing Expertise: Deep understanding of wear mechanisms and precision requirements for paper cutting tools in high-volume printing and binding scenarios.
- Strict Full Inspection Protocol: Each blade undergoes straightness testing, hardness verification and hole position detection before delivery to ensure batch consistency.
- Full Customization Capability: Support custom blade length, thickness, hole layout and edge angle to match different machine models and cutting materials.
- Targeted Technical Support: Provide professional guidance on blade matching, sharpening cycles and daily maintenance to optimize cutting production efficiency.
- Stable Batch Supply Capacity: Mature production processes and standardized quality control ensure reliable delivery of large-volume repeat orders.
CONTINUE EXPLORING
