Ma'anshan Guangchuan Machinery Knife Mold Technology Co., Ltd. is a professional manufacturer of heavy-duty bulk bag unpacker blades engineered for industrial bulk material unloading and automated bag opening lines. Our precision-ground cutters deliver clean, smooth penetration through thick woven FIBC ton bags, heavy plastic sacks and composite packaging without fiber fraying or material contamination. Manufactured from premium wear-resistant alloy steels with vacuum quenching and CNC edge grinding, these blades maintain long-lasting sharpness and stable performance under continuous high-cycle operation.
Order(MOQ) :
1Payment :
TT,LCProduct Origin :
ChinaColor :
N/AShipping Port :
Ma'anshan Shipping PortLead Time :
30 daysBulk bag unpacker blades feature reinforced pointed tips and precision-machined bevel edges, designed to pierce thick woven bag layers with minimal cutting resistance. The accurately positioned mounting holes ensure secure, vibration-free installation on all mainstream unpacking machines, reducing equipment load and delivering consistent bag opening efficiency for bulk processing facilities.
Technical Specifications
|
Feature |
Technical Details |
| Material | Cr12MoV (SKD11), D2, HSS (M2), 9CrSi Alloy Steel (Customizable) |
| Hardness | 58-62 HRC, optimized for woven bag abrasion and impact resistance |
| Tolerances | Straightness ≤ 0.005mm; Flatness ≤ 0.004mm; Hole Position Tolerance ±0.01mm |
| Blade Length | 150mm to 800mm (Fully customizable per unpacker model) |
| Thickness Range | 3mm to 12mm (Tailored for different bag thickness and load levels) |
| Edge Geometry | Single bevel, double bevel, reinforced pointed tip, custom cutting angles |
| Mounting Type | Precision drilled fixing holes, custom hole quantity and spacing |
| Processing | Vacuum heat treatment, deep cryogenic stabilization, CNC precision grinding |
Main Features
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