Semi circular Hole puncher 01
Semi circular Hole puncher 02View
Semi circular Hole puncher 01
Semi circular Hole puncher 02View

Custom Pneumatic Arc Shaped Hole Punching Machine Semi circular cut Die for Plastic Film Bags

Semi-circular hole punching machine is a specialized punching die installed on a fully automatic bag-making machine. It is suitable for flexible packaging materials such as PE, PP, OPP, and composite films.

Custom Pneumatic Arc Shaped Hole Punching Machine Semi circular cut Die for Plastic Film Bags

 

Product Overview

 

Semi-circular hole punching machine is a specialized punching die installed on a fully automatic bag-making machine. It is suitable for flexible packaging materials such as PE, PP, OPP, and composite films. It utilizes a Japanese wire EDM machine with a rounded cutting edge, an imported high-speed steel punch, and an Airtac cylinder. The resulting notch is smooth, burr-free, and precisely aligned, ensuring smooth tearing without deviation. The notch size, depth, direction, and installation method can all be customized.

Mould base:

Crafted from premium aviation aluminum alloy, it features exceptional structural strength and outstanding heat dissipation. This high-grade material ensures long-term stability, significantly extending the service life of your tooling.

Blade Part:

 

Engineered with premium Swedish ASP/Japanese HAP5R high-speed steel, it delivers extraordinary hardness and wear resistance. Designed to withstand high-frequency impacts without chipping or wearing down, it guarantees ultimate precision and flawless consistency in every production cycle.

Cylinder:

 

Equipped with world-class AirTAC cylinders, it offers unmatched responsiveness and stable pressure output.

FAQ

 

Q1:Are you a factory or a trading company?

A:We are CRJ Group, a pneumatic hole puncher manufacturer with over 30 years of professional experience. We have been engaged in the research and development and manufacturing of punching dies since 1996. Welcome to visit our factory for on-site inspection.。

Q2:MOQ

A:1 set

Q3:How thick of film can be punched?

A:10-360 microns. This needs to be confirmed based on the material type. Please provide the specific material and thickness so our engineer can assess it for you.

Why choose Changrongjia?

 

Founded in 1996

CRJ Group has long been engaged in businesses related to plastic bags, flexible packaging, and precision pneumatic hole punching dies.

Focus on hole punching solutions for plastic packaging

Our product range covers interchangeable type hole puncher, round hole, easy-tear, butterfly hole, multi-hole, triangular hole, handle hole, and custom-made hole punches, heat sealing bar, cold-cut die, double cutting knife, and vertical packaging machine punching dies, etc.

Precision machining capability

We equipped with CNC machining centers, high-precision slow wire EDM and medium wire EDM equipment, and has established a professional R&D department and assembly and debugging department, possessing complete assembly and testing capabilities.

Patents and System Certification

Multiple patents related to punching equipment and punches, and certified by ISO9001 and ISO14001 systems, holding European certification and CE certificates.

Global service experience

Our products and services cover more than 90 countries worldwide, providing remote selection, drawing confirmation, installation, and after-sales maintenance support.

 

Please provide these information to get a quote

  • Hole drawing, size, bag drawing or sample;
  • The name and the thickness of the film;
  • Hole position, film moving direction;
  • Installation space;
  • Order quantity, delivery address.

 

Product Specifications

 

Hole Size&Shape Semi circular Hole Puncher
Frame Type C-frame type
Passing Slot Length 50mm
Punching Speed up to 260 punches/min
Weight 2kg
Power Source pneumatic type
Cylinder AirTAC brand
Mold Base Material aluminum alloy
Die Steel imported from Japan,durable and precise
Life Time up to 18,000,000 to 20,000,000 times
Precision ±0.001mm
Exact Price decided by hole size&shape,passing slot,order quantity,etc.
MOQ 1 set
Supply Capacity More than 1300 sets/month
Delivery Time 7 working days after payment

 

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Latest News

Check out our blog posts

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Company News 4 1 1

13/ July

Innovative Interchangeable Hole Puncher Revolutionizes Efficiency and Maintenance

Innovative Interchangeable Hole Puncher Revolutionizes Efficiency and Maintenance   In a groundbreaking advancement for the plastic packaging industry, our company proudly announces the release of our best-selling interchangeable punching machine. Designed to address key inefficiencies and high maintenance costs associated with traditional punching machines, this innovative product is already making waves in the market. Efficiency and Versatility One of the standout features of our interchangeable punching machine is its versatile punching needle. Unlike conventional machines with fixed hole types, our machine allows for the replacement of the punching needle with specific sizes and hole types. This flexibility greatly enhances the efficiency of the punching process, providing manufacturers with a wider range of options and significantly reducing downtime. Cost-Effective Maintenance Maintenance costs have long been a concern for businesses using punching machines, but our new model addresses this issue head-on. When the punching needle becomes dull from long-term use, instead of incurring high maintenance costs, users can simply pay a small fee for shipping and a new punching needle. This cost-effective solution ensures the machine continues to operate at peak performance without the financial burden of extensive repairs. Ease of Replacement Another notable advantage of our interchangeable punching machine is the ease of replacing the punching needle. The process is straightforward and user-friendly, eliminating the need for specialized technicians and minimizing production delays. This feature makes our machine not only efficient but also highly practical for everyday use. Our interchangeable punching machine represents a significant leap forward in both efficiency and creativity. By addressing common pain points and providing a flexible, cost-effective solution, we are empowering businesses to optimize their production processes and reduce maintenance expenses. We invite you to experience the innovation and efficiency of our best-selling interchangeable punching machine. For more information and to see how this product can benefit your operations, please visit our company homepage. About Our Company As a leading manufacturer of plastic packaging machinery and accessories, we are committed to delivering innovative solutions that drive efficiency and reduce costs for our customers. Our dedication to quality and customer satisfaction continues to set us apart in the industry. Thank you for your continued support. We look forward to helping your business achieve greater success with our latest innovations.
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Company News 2 1

13/ July

Our Company Shines at Chinaplas International Rubber & Plastics Exhibition

Our Company Shines at Chinaplas International Rubber & Plastics Exhibition Our company participated in the Chinaplas International Rubber & Plastics Exhibition held at the National Exhibition and Convention Center in Shanghai on April 23, 2024. We were pleased to attend this event and achieved great success. As a professional manufacturer of plastic packaging machinery and accessories, our goal was to expand our business and forge new partnerships. We were honored to have the opportunity to meet with customers from around the world and engage with them. During the exhibition, we showcased our advanced technology and innovative products to a global audience, and we were thrilled with the positive response we received. We are proud to announce that we successfully reached several cooperation agreements during the exhibition, further expanding our markets and advancing our business. This gives us great confidence and enthusiasm for the future. We want to thank all our customers who visited our booth, especially those who established cooperative relationships with us. Your trust and support mean a great deal to us, and we look forward to future opportunities for cooperation. Chinaplas was an unforgettable experience that solidified our belief in a bright future for the plastic packaging industry. We are excited to see you again next year in Shenzhen! Thank you for taking the time to read our press release. We invite you to learn more about our business and products on our company homepage.
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Company News 5

13/ July

Welcoming Our loyal Indian Customers: Strengthening Partnerships and Celebrating Success

Welcoming Our loyal Indian Customers: Strengthening Partnerships and Celebrating Success We had the pleasure of hosting our long-term Indian customers at our company recently, and it was an incredibly enriching experience. Their visit underscored the importance of mutual assistance and collaboration in the packaging machine accessories industry. It was wonderful to discuss the vital role our punching machines and packaging machinery play in their operations. These conversations highlighted how essential it is to maintain strong partnerships that enable us to support each other’s growth and success. Sharing insights and experiences with our customers always brings fresh perspectives and innovative ideas to the table. During their visit, our customers brought a new batch of purchase orders, signaling their continued trust in our products and services. This not only strengthens our business relationship but also motivates us to keep pushing the boundaries of quality and efficiency. Seeing their enthusiasm and commitment to our long-term cooperation was truly inspiring!   One memorable moment from their visit was a detailed discussion about a particularly challenging project we tackled together last year. By leveraging our punching machines and their operational expertise, we successfully streamlined their packaging processes, resulting in significant cost savings and increased productivity. This success story is a testament to what we can achieve through collaboration and innovation. We are excited about the future and the potential for even greater achievements through our partnership. The shared vision and mutual support between our teams create a strong foundation for continued success. We are committed to delivering top-notch products and exceptional service, ensuring that our customers remain competitive and successful in their markets.
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What We Do

Services we Offer

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service 5 Rear view

Tailored Tooling Solutions Beyond OEM Constraints

At CRJ, we provide professional manufacturing and engineering services specializing in customized punch dies for flexible packaging. We help global packaging converters, converting plant managers, and machine operators break free from the inflated costs, rigid restrictions, and lengthy lead times associated with traditional OEM-only replacement cycles. Whether you require precision replacement tooling or bespoke configurations for new bag styles, our custom engineering service is built to transform your technical drawings into high-performance, durable pneumatic hole punch solutions.
service 1 3 Front view

Our Core Customization Services

We do not just supply off-the-shelf components; we engineer custom pneumatic hole punching systems designed around your precise mechanical specifications: Drawing-Based Non-Standard Customization: We manufacture punch pins, die blocks, and complete assembly units strictly according to your CAD files, engineering drawings, or physical sample parts. Universal Machine Compatibility: Our custom tooling services extend seamlessly across all major packaging and converting machinery brands, including wicketing machines, side-sealing machines, and stand-up pouch lines. Material & Durability Engineering: We consult on and utilize premium tool steel grades (such as SKH-9, ASP-23, and carbide inserts) optimized for specific film substrates—from standard PE/PP to abrasive laminates and biodegradable films.
service 2 2 Left view

Our Streamlined Service Workflow

We have optimized our procurement and production pipeline to ensure a frictionless experience from initial design submission to final dispatch: Step 1: Submit Drawing or Sample: Share your technical drawings, sketches, or worn sample pieces with our engineering team. Step 2: Technical Review & Quotation: We conduct a thorough feasibility check, recommend optimal materials, and provide a transparent, competitive quotation. Step 3: Precision Manufacturing: Using advanced CNC grinding, wire EDM, and strict optical QA, your tooling is fabricated to exact micron tolerances. Step 4: Rapid Production & Delivery (10–15 Days): Standard custom orders are completed and dispatched within 10 to 15 working days, depending on complexity and volume. Step 5: Flexible Order Terms (MOQ = 1): Benefit from a low minimum order quantity of 1, supporting both emergency single-piece replacements and large-scale rollouts.
service 3 2 Right view

Service Comparison: Traditional OEM vs. CRJ Custom Services

Service Feature Traditional OEM Supplier CRJ Custom Service Customization Capability Strictly catalog-based; resistant to non-standard drawing modifications. 100% built to your exact technical drawings and specifications. Production Turnaround 4 to 8 weeks due to international supply chains and backorders. Rapid 10–15 working days production lead time. Minimum Order Quantity High batch requirements or penalty fees for small quantities. MOQ = 1; fully flexible for single prototypes or bulk orders. Pricing & Cost Structure Heavy brand markups and exclusive distribution tiers. Direct factory pricing maximizing your operational ROI. Ready to Upgrade Your Packaging Production? Send us your technical drawings today to experience precision custom tooling backed by rapid 10–15 day delivery and an MOQ of 1.

THE COMPANYWELCOME TO

DONGGUAN CRJ MOULD TECH CO.,LTD is a leading Chinese manufacturer offering a wide range of pneumatic hole punching machine for flexible packaging industry

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