Chun Zu
Chun Zu CNP Series Nut Part Formers
Model CNP Series
Chun Zu CNP series nut part forming machines for the automotive and construction industries, in five- and six-station models.
Chun Zu
Model CNP Series
Chun Zu CNP series nut part forming machines for the automotive and construction industries, in five- and six-station models.
The Chun Zu CNP series nut part former offers unmatched versatility and precision in the production of complex components. For over four decades, Chun Zu has been a leader in the cold forming industry, consistently pushing the boundaries of what’s possible in fastener manufacturing.
Designed to meet the rigorous demands of the automotive and construction industries, the CNP series is your go-to solution for producing high-quality nut parts with exceptional accuracy.
Chun Zu’s CNP Nut Part Formers are engineered for versatility, capable of handling a wide range of materials and specifications. Whether you’re producing intricate components for automotive assemblies or durable fasteners for construction applications, our machines deliver the precision and consistency you need to meet industry standards. This versatility makes the CNP series particularly valuable in the automotive industry, where the ability to produce complex, reliable parts is crucial for safety and performance.
In the construction industry, where fasteners must withstand harsh conditions and heavy loads, Chun Zu’s machines ensure that every component is built to last.
The advanced technology integrated into our CNP Nut Part Formers enhances production efficiency, reduces material waste, and allows for precise control over every stage of the forming process.
This not only ensures superior product quality but also helps manufacturers in the automotive and construction sectors maintain a competitive edge by optimizing their production processes.
With over 10,000 machines shipped to more than 50 countries, Chun Zu has established a global reputation for excellence and customer satisfaction. Our CNP Nut Part Forming Machines are trusted by top manufacturers around the world for their durability, flexibility, and high-performance capabilities.
When you choose Chun Zu, you’re choosing a partner dedicated to delivering the best cold forming solutions for your business.
Discover the versatility and precision of Chun Zu’s CNP Nut Part Forming Machines, and see how they can enhance your production capabilities in the automotive and construction industries.
Review the specifications of our flagship models.
| Model | No. of Forging Stations | Max. Forging Load (Kg) | Max. Cut-off Diam. (mm) | Max. Cut-off Length (mm) | Max. Speed (ppm) | P.K.O Stroke (mm) | K.O Stroke (mm) | Motor Power (hp) | Cut-off Die Diam. (mm) | Punch Die Diam. (mm) | Main Die Diam. (mm) | Machine Weight (Tons) | Open Upset Diam. (mm) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CNP-45S | 5 | 24 | Ø7 | 40 | 220 | 10 | 50 | 15 | Ø24x35L | Ø31x65L | Ø38x85L | 9 | Ø10 |
| CNP-65S | 5 | 50 | Ø10 | 45 | 180 | 15 | 60 | 25 | Ø32x45L | Ø40x90L | Ø50x95L | 14 | Ø14 |
| CNP-85S | 5 | 75 | Ø13 | 60 | 160 | 20 | 80 | 30 | Ø42x60L | Ø45x115L | Ø60x115L | 18 | Ø18 |
| CNP-105S | 5 | 110 | Ø16 | 60 | 150 | 21 | 80 | 40 | Ø70x75L | Ø60x115L | Ø75x130L | 22 | Ø22 |
| CNP-145S | 5 | 190 | Ø22 | 80 | 120 | 25 | 110 | 75 | Ø70x100L | Ø70x130L | Ø94x220L | 35 | Ø32 |
| CNP-165S | 5 | 260 | Ø26 | 80 | 100 | 35 | 110 | 100 | Ø84x120L | Ø85x160L | Ø108x220L | 52 | Ø38 |
| CNP-205S | 5 | 390 | Ø30 | 100 | 80 | 35 | 125 | 125 | Ø94x130L | Ø95x180L | Ø125x200L | 70 | Ø44 |
| CNP-255S | 5 | 500 | Ø35 | 140 | 70 | 40 | 150 | 175 | Ø109x150L | Ø120x230L | Ø148x250L | 110 | Ø50 |
| CNP-275S | 5 | 730 | Ø41 | 160 | 60 | 45 | 165 | 250 | Ø129x180L | Ø138x270L | Ø178x270L | 130 | Ø60 |
| CNP-305S | 5 | 1,000 | Ø48 | 180 | 50 | 50 | 185 | 300 | Ø139x195L | Ø158x290L | Ø195x290L | 190 | Ø70 |
| CNP-46S | 6 | 24 | Ø7 | 40 | 220 | 10 | 50 | 15 | Ø24x35L | Ø31x65L | Ø38x85L | 10 | Ø10 |
| CNP-66S | 6 | 50 | Ø10 | 45 | 180 | 15 | 60 | 25 | Ø32x45L | Ø40x90L | Ø50x95L | 16 | Ø14 |
| CNP-86S | 6 | 75 | Ø13 | 60 | 160 | 20 | 80 | 30 | Ø42x60L | Ø45x115L | Ø60x115L | 20 | Ø18 |
| CNP-106S | 6 | 110 | Ø16 | 60 | 150 | 21 | 80 | 40 | Ø70x75L | Ø60x115L | Ø75x130L | 25 | Ø22 |
| CNP-146S | 6 | 190 | Ø22 | 80 | 120 | 25 | 110 | 75 | Ø70x100L | Ø70x130L | Ø94x220L | 40 | Ø32 |
| CNP-166S | 6 | 260 | Ø26 | 80 | 100 | 35 | 110 | 100 | Ø84x120L | Ø85x160L | Ø108x220L | 60 | Ø38 |
| CNP-206S | 6 | 390 | Ø30 | 100 | 80 | 35 | 125 | 125 | Ø94x130L | Ø95x180L | Ø125x200L | 80 | Ø44 |
| CNP-256S | 6 | 500 | Ø35 | 140 | 70 | 40 | 150 | 175 | Ø109x150L | Ø120x230L | Ø148x250L | 135 | Ø50 |
| CNP-276S | 6 | 730 | Ø41 | 160 | 60 | 45 | 165 | 250 | Ø129x180L | Ø138x270L | Ø178x270L | 150 | Ø60 |
| CNP-306S | 6 | 1,000 | Ø48 | 180 | 50 | 50 | 185 | 300 | Ø139x195L | Ø158x290L | Ø195x290L | 220 | Ø70 |
Tell us about your parts and we will help you choose a CNP model.