Ma'anshan Guangchuan Machinery Knife Mold Technology Co., Ltd. manufactures high-precision bottom knives for heavy-duty slitting and rewinding. Used with top circular knives, our blades deliver clean, burr-free cuts on metal, foil, paper, and film. Made from premium steel and carbide with advanced heat treatment and lapping, they provide excellent wear resistance, micron-level concentricity, and longer service life.
Order(MOQ) :
1Payment :
TT,LCProduct Origin :
ChinaColor :
N/AShipping Port :
Ma'anshan Shipping PortLead Time :
30 daysOur slitting bottom knives feature precision-ground working faces and tight-tolerance bores for stable high-speed operation. They ensure uniform shear clearance with mating top knives, eliminate common slitting defects like burrs and edge curling, reduce abrasion to upper blades, and deliver consistent cutting quality across long production runs.
Technical Specifications
|
Feature |
Technical Details |
| Material | D2 (SKD11), HSS (M2), 9CrSi, High-Grade Tungsten Carbide (Customizable) |
| Hardness | 58-62 HRC (Tool Steel); 88-92 HRA (Tungsten Carbide) |
| Tolerances | Inner Diameter Tolerance H6; Flatness ≤ 0.003mm; Radial Runout ≤ 0.005mm |
| Outer Diameter (OD) | Range: 60mm to 300mm+ (Fully Customizable) |
| Inner Diameter (ID) | Precision bore for secure arbor mounting (e.g., 25.4mm, 40mm, 50mm, 80mm) |
| Blade Thickness | 2mm to 30mm (Customizable per slitting requirements) |
| Processing | Vacuum heat treatment, Deep cryogenic treatment, Lapping finish |
Main Features
Advantages
Product Applications
Why Choose Us
Ma'anshan Guangchuan Machinery Knife Mold Technology Co., Ltd. produces tight-tolerance pneumatic circular blades for industrial pneumatic slitting systems. Crafted from high-grade HSS and alloy steels, these blades deliver steady, clean cuts on films, tapes and papers in high-speed reciprocating pneumatic cutting operations.
Details
Paper tube cutting lines commonly struggle with ragged burr edges, paper dust buildup and frequent blade changes that drag down overall throughput. Ma'anshan Guangchuan’s rotary paper tube cutting blades are purpose-built for high-speed paper core and tube processing, delivering consistent debris-free cuts and extended edge life across spiral paper tubes, cardboard cores and thick-walled paper products.
Details
Ma'anshan Guangchuan Machinery Knife Mold Technology Co., Ltd. manufactures precision circular cardboard slitting blades. Engineered for corrugated board and paper converting lines, these HSS and alloy steel blades deliver clean, burr-free cuts with minimal paper dust. Advanced vacuum heat treatment and precision grinding ensure long-lasting sharpness and stable performance in high-speed continuous slitting operations.
Details
Ma'anshan Guangchuan Machinery Knife Mold Technology Co., Ltd. manufactures high‑precision multi‑edge bottom slitter blades. These integral multi‑groove rotary bottom knives are engineered for industrial high‑speed slitting equipment, delivering consistent multi‑strip cutting performance for metal foil, paper, adhesive substrates and various composite materials under continuous heavy‑duty production conditions.
Details
Ma'anshan Guangchuan Machinery Knife Mold Technology Co., Ltd. manufactures high-precision top circular blades for shear slitting. Used with bottom knives, these upper slitter knives deliver clean, burr-free cuts on metal foils, paper, films, and composites. Made from premium tool steels and carbides with advanced heat treatment and precision grinding, they provide exceptional edge retention, micron-level accuracy, and higher slitting efficiency.
Details
Ma'anshan Guangchuan Machinery Knife Mold Technology Co., Ltd. manufactures high-precision bottom knives for heavy-duty slitting and rewinding. Used with top circular knives, our blades deliver clean, burr-free cuts on metal, foil, paper, and film. Made from premium steel and carbide with advanced heat treatment and lapping, they provide excellent wear resistance, micron-level concentricity, and longer service life.
Details
Ma'anshan Guangchuan Machinery Knife Mold Technology Co., Ltd. is a leading manufacturer of high-precision circular slitting knives engineered for demanding industrial slitting applications. Our industrial-grade slitting blades are designed to deliver clean, burr-free cuts on a wide range of materials including films, paper, and metal foils at high production speeds. Manufactured from premium tool steels with advanced heat treatment and precision grinding, these blades offer exceptional edge retention and high accuracy, maximizing your slitting line efficiency and product quality.
Details
Ma'anshan Guangchuan Machinery Knife Mold Technology Co., Ltd. is a leading manufacturer of high-precision circular slitting knives engineered for the most demanding thin material slitting applications. Our industrial-grade slitting blades are designed to deliver clean, burr-free cuts on ultra-thin films, paper, and copper foil at high production speeds. Manufactured from premium tool steels and tungsten carbide with advanced heat treatment and precision grinding, these blades offer exceptional edge retention and micron-level accuracy, maximizing your slitting line efficiency and product quality.
Details
Leave A Message
Scan to WhatsApp :
English
