Pneumatic Triangular Hole Punch for Bag-Making Machines

This punching die is designed for creating triangular hanging holes in plastic bags and is widely used in bag-making and packaging production facilities.

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Product Details
Product Specifications

Product Overview

This punching die is designed for creating triangular hanging holes in plastic bags and is widely used in bag-making and packaging production facilities. Engineered with high-quality components and precision manufacturing processes, our dies meet international quality standards. We offer both standard models and custom solutions, with the ability to tailor the triangle dimensions, angles, and mounting specifications to your exact requirements.

Key Advantages

Cutting edges made from imported die steel ensure clean, burr-free cuts and long service life.
Fully customizable triangle dimensions and angles; available in C-frame or gantry-style configurations.
Optional pneumatic waste ejection system prevents jamming, making it ideal for continuous, high-volume production.
Compatible with a wide range of flexible materials, including PE, OPP, PP, paper, and non-woven fabrics.
Die base constructed from aerospace-grade aluminum—lightweight and highly resistant to deformation.
Pre-shipment test punching ensures the quality of the punched holes before delivery.
Equipped with AirTAC pneumatic cylinders for stable operation and low failure rates.

Applications

Widely used in the retail packaging sector for products such as accessories, personal care items, stationery, supermarket shopping bags, and food packaging—enabling bags to be hung on display racks.

Manufacturing Capabilities

Facility: Fully equipped with in-house CNC machines, wire-cut EDM, milling machines, and other processing equipment, covering the entire process from machining to final assembly.
Team: A dedicated team of professional die engineers specializing in the R&D of bag-punching tools.
Industry Experience: 30 years of deep expertise in plastic bag-punching dies. We are well-versed in various packaging production line environments, allowing us to proactively prevent issues such as burrs (material trailing), jamming, or hole misalignment.
Quality Control: Every die undergoes rigorous testing—including dimensional verification, airtightness checks, no-load operation, test punching, and waste ejection validation. We also welcome customer-provided samples for trial punching.
Comprehensive Services: OEM and ODM customization available; we develop bespoke punching dies tailored to your specific needs.

Ordering Process

Provide details regarding the hole shape, material, and specifications of your bag-making machine.
Our engineers will evaluate your requirements and provide technical drawings along with a price quote.
Once you confirm the drawings, pricing, and lead time, please proceed with the payment.
The factory will begin production and conduct final quality inspections.
We will pack and ship the product, and provide support for installation and after-sales technical needs.

FAQ

Q: What materials can be processed?

A: It is compatible with flexible packaging films such as PP, OPP, PET, LDPE, and various composite films.

Q: Does a triangular hole-punching die require regular maintenance?

A: Yes; regular lubrication, inspection of the cutting edges, and timely sharpening are necessary to extend its service life.

Q: On what types of equipment can the punch be installed?

A: It can be used as a standalone benchtop unit or integrated into packaging equipment, such as bag-making machines or industrial presses.

Q: How can I request a custom-sized triangular hole?

A: Simply provide the side lengths, angles, hole positioning, and material thickness; we will then prepare drawings for your approval before proceeding with customization.

Q: What are the typical applications for packaging bags with triangular holes?

A: They are primarily used for retail display, allowing bags to be hung on racks or hooks in stores.

Q: What are the advantages of choosing this triangular hole punch?

A: It offers precise punching, rust resistance, durability, compatibility with various films, ease of operation, customization options, and consistent quality.

Hole Size&Shape	78x50mm Triangle Hole
Frame Type	C-frame type
Punching Speed	up to 260 punches/min
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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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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What We Do

Services we Offer

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.

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.

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 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