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This punching blade is a special accessory for packaging machines, a core wearing part of the packaging production line. Designed specifically for punching operations of various packaging equipment, it is suitable for thermoforming packaging machines, flow wrapping machines, blister packaging machines, plastic pouch packaging machines and other equipment. Widely used in the packaging process of food, daily chemical, pharmaceutical, hardware and other industries, it is responsible for precise punching (vent holes, positioning holes, drainage holes, etc.) of packaging films, packaging bags, blisters and other products, ensuring the sealing and aesthetics of packaging and improving the efficiency of the production line.
Adopting integrated CNC precision machining and forming, combined with high-precision testing equipment to strictly control the production process, the error of tool size, shape and perpendicularity is controlled within ±0.01mm, with accurate hole position, regular shape, no offset and no deformation. The cutting edge is professionally ground and hardened, with uniform sharpness. The punching process is clean and neat, without burrs, wire drawing or material sticking, effectively avoiding packaging rework caused by punching defects, improving the qualified rate of finished products, and helping enterprises reduce packaging waste by 20%-30%[3].
Made of high-quality tool steel (SKD11, DC53, Cr12MoV), high-speed steel (HSS) or cemented carbide (tungsten steel). Corresponding materials are selected according to the characteristics of different packaging materials —— when processing high-abrasion materials, cemented carbide is selected for better wear resistance[1]. The surface can be treated with hard chrome plating, titanium nitride, diamond-like carbon (DLC) and other coatings to further improve wear resistance, reduce friction coefficient and prevent rust, extending the service life of the tool by 25%-40%[3]. A single tool can continuously punch 15-18 million times, greatly reducing the frequency of tool change and downtime maintenance, and lowering consumable costs[6].
Suitable for various packaging machines such as vertical, horizontal and multi-column types, compatible with various packaging materials such as PP, PE, OPP, PVC, CPP, aluminum foil, aluminized film, paper and non-woven fabric, and can process various materials with thickness from 10 microns to 360 microns[6]. It supports various hole types such as round, oval, square, cross, airplane hole, easy-tear notch (straight line, dotted line, arc), and can realize single-hole or multi-hole array synchronous punching. It is suitable for various application scenarios such as ventilation holes for food bags, easy-tear notches for medicine bags, hook holes for daily chemical bags, and positioning holes for coiled materials, meeting the packaging needs of multiple industries in one stop[1][5][7].
Adopting a standardized structural design, it can be directly adapted to most mainstream packaging machine tool rests and punching units on the market. The installation is simple and convenient, without major modification of the equipment. It is equipped with positioning pins and strong fastening bolts to ensure no offset or looseness during the punching process[1]. Some models adopt a split independent modular structure, where a single column can be adjusted independently without mutual interference, making tool change and maintenance convenient. It is suitable for high-speed packaging production lines, which can increase the operation efficiency of the production line by 12%-15%, and the maximum adaptation speed can reach 300 meters per minute[3][5].
Ventilation/Exhaust Function: Punch microholes or microhole arrays on sealed packages such as coffee bags, potato chip bags and puffed food bags to realize air exchange inside and outside the package, prevent the package from bursting or collapsing during transportation or altitude changes, and extend the product freshness period[1][2].
Easy-Tear Notch Function: Punch preset notches such as straight lines, cross lines and dotted lines to facilitate consumers to tear the package easily without tools, improve user experience, and adapt to various packages that need convenient opening such as food, medicine and daily chemicals[1][2].
Positioning and Functional Hole Function: Punch positioning holes on the edge of coiled packaging to realize stepper control of the equipment with photoelectric sensors; it can punch functional holes such as straw holes, hook holes, hanging holes and handle holes to meet the diverse needs of packaging positioning, hanging and use[1][5].
Decoration and Window Function: Punch decorative holes such as star shape and special shape, or pre-punch holes for packaging windows (to display contents after film coating), improving the appearance and practicality of the package[1].
Parameter Name | Specification Details | Parameter Name | Specification Details |
Material | SKD11, DC53, Cr12MoV, High-Speed Steel (HSS), Cemented Carbide (Tungsten Steel) | Processing Precision | ±0.01mm |
Surface Treatment | Hard Chrome Plating, Titanium Nitride, Diamond-Like Carbon (DLC) Coating, Nitriding Treatment | Adaptable Material Thickness | 10μm - 360μm |
Adaptable Materials | PP, PE, OPP, PVC, CPP, Aluminum Foil, Aluminized Film, Paper, Non-Woven Fabric, etc. | Punching Speed | Up to 300 Meters per Minute (Suitable for High-Speed Production Lines) |
Common Hole Types | Round, Oval, Square, Cross, Airplane Hole, Easy-Tear Notch, Special Shape, etc. | Service Life | 15-18 Million Times (Regular Material) |
Adaptable Equipment | Vertical Packaging Machine, Horizontal Packaging Machine, Multi-Column Packaging Machine, Bag Making Machine, etc. | Installation Method | Standard Installation, Equipped with Positioning Pins + Fastening Bolts |
Customization Service | Support Customization of Non-Standard Size, Hole Type and Material (Drawings Required) | Adaptable Industries | Food, Pharmaceutical, Daily Chemical, Pet Food, Packaging Printing, etc. |
Suitable for packaging of puffed food, leisure snacks, baked food, rice, tea, etc. Punch ventilation holes (fresh-keeping), easy-tear notches (convenient opening) and handle holes (easy to carry) to meet the hygiene, convenience and fresh-keeping needs of food packaging[1][2].
Suitable for medicine bags and medical consumable packaging. Punch easy-tear notches (easy to take) and positioning holes (precision packaging). Strictly follow the hygiene standards of the pharmaceutical industry, with no odor and no impurities in the material, ensuring packaging safety[1][5].
Suitable for laundry detergent bags, shampoo bags, cosmetic sample bags, etc. Punch hook holes (easy to hang and display) and easy-tear notches to improve product display effect and usability, and adapt to high-speed automatic packaging production lines[5].
Pet food packaging (ventilation holes, easy-tear notches), packaging printing (positioning holes, decorative holes), non-woven fabric packaging (special-shaped holes), etc. We can customize exclusive punching solutions according to industry characteristics[5][7].