SD-X250 Parallel Knife
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High-Precision Trimming Blade for Paper Finishing Equipment
Product Overview
The SD-X250 parallel knife is a premium precision cutting blade engineered for saddle stitching lines, paper trimming machines and folding-stitching-trimming linked production systems. Manufactured with high-grade alloy steel and precision grinding technology, it delivers clean, burr-free cutting edges and consistent trimming accuracy, ensuring long-lasting sharpness and stable performance under high-volume continuous production.Designed as a direct replacement and upgrade part for mainstream paper finishing equipment, this parallel knife features strict dimensional tolerance control for easy installation and perfect compatibility. It is an essential consumable part for printing houses, packaging factories and bookbinding workshops pursuing high-quality trimming results.Key Features
Forged from high-quality chromium alloy tool steel with proper heat treatment, the blade achieves excellent hardness and toughness. It maintains sharp cutting performance over extended production runs, reducing frequent blade replacement and minimizing production downtime.
High-Precision Parallel Cutting
Machined with high-precision grinding equipment, the blade edge is perfectly straight and parallel, ensuring uniform cutting force across the full width. It produces clean, smooth cut edges without paper burrs, layering or uneven trimming, fully meeting the quality requirements of high-end leaflets and booklets.
Strict Dimensional Tolerance
Each blade undergoes strict dimensional inspection before delivery, with mounting hole positions and overall dimensions controlled within tight tolerances. It fits directly onto standard trimming stations without modification, enabling quick and hassle-free replacement.
Wear & Impact Resistant
The optimized blade edge geometry and surface treatment enhance wear resistance and impact resistance. It performs reliably across a wide range of paper weights from thin leaflets to thick coated stock, maintaining stable cutting quality throughout its service life.
Wide Compatibility
The SD-X250 parallel knife is compatible with most domestic and imported folding-stitching-trimming linked lines and standalone trimming machines. Custom sizes and blade materials are available upon request to match specific equipment models.
Applications
- Trimming station of folding-stitching-trimming linked production lines
- Standalone paper trimming machines and three-knife trimmers
- Saddle stitching line finishing and cutting units
- Leaflet, booklet, brochure and insert edge trimming
- General paper finishing and cutting processes in printing plants
Why Choose SD-X250 Parallel Knife
- Stable quality: Batch-consistent manufacturing standards ensure each blade delivers identical cutting performance.
- Cost-effective: Long service life reduces replacement frequency and lowers overall production cost.
- Fast delivery: Standard sizes are kept in stock for prompt shipment; custom specifications are available with short lead times.
- Technical support: We provide professional blade selection guidance and installation advice to help you achieve optimal trimming results.
Related products
T520/12 Buckle + 1 Knife Industrial Paper Folding Machine
T490/8H4W-F Automatic Paper Folding Machine + Vertical Stacker
T490/4 Buckle Automatic Paper Folding Machine
Product Inquiry
Guangdong Speed Machinery Technology Co., Ltd.
Add: First floor, No.3 Baoyuan 1st Road, Lianhu, Tangxia, Dongguan City,
Guangdong Province
TEL: +86 18922953506
Email: speed@dgsudu.com
WhatsApp:+86 18922953506