Hydraulic Cold Forging Press for Shell-Holder

Shell-holder hydroforming is a specialized metal forming process used to create complex, lightweight, and high-strength shell-like structures, often for aerospace, automotive, or industrial applications. A hydraulic cold forging press for shell-holder hydroforming is a specialized machine designed to form metal shells or hollow components at room temperature (cold forging) using high hydraulic pressure. This process is ideal for producing high-strength, precision parts with excellent surface finish and dimensional accuracy.
Hydraulic Cold Forging Press for Shell-Holder
1. Key Features of a Hydraulic Cold Forging Press for Shell-Holder Hydroforming
● High Tonnage Capacity (typically 500–10,000+ tons, depending on part size).
● Precision Control (servo-hydraulic systems for accurate pressure and stroke control).
● Cold Forging Capability (works at room temperature, improving material strength via strain hardening).
● Hydroforming Integration (can combine forging and hydroforming in one process).
● Tooling Adaptability (interchangeable dies for different shell geometries).
● Automation Compatibility (robotic loading/unloading for high-volume production).
2. How It Works (Process Flow)
① Blank Preparation
○ A metal blank (aluminum, steel, copper, or titanium) is cut to size.
○ Lubrication is applied to reduce friction during forming.
② Preforming (Optional)
○ The blank may be pre-pressed or bent into a preliminary shape.
③ Loading into Shell-Holder Die
○ The blank is placed in a die cavity with a blank holder to control material flow.
④ Cold Forging & Hydroforming
○ The hydraulic press applies high pressure (up to 2,500 bar+) to deform the metal.
○ If hydroforming is integrated, fluid pressure expands the metal into the die shape.
⑤ Ejection & Finishing
○ The formed shell is ejected, trimmed, and inspected.
Hydraulic Cold Forging Presses are indispensable for producing high-strength, lightweight shell-holders with unmatched precision and efficiency. From military-grade steel casings to advanced aluminum alloys, these machines enable cost-effective mass production while meeting the stringent demands of modern ammunition. As materials science and automation continue to advance, cold forging will remain at the forefront of ammunition manufacturing, driving innovation in both defense and commercial sectors.


From the (SZX)Shenzhen Bao'an International Airport and (CAN)Guangzhou Baiyun International Airport to our factory 1.5 hour's driving. Warmly welcome to visit us at any time.

Delishi Machinery Technology Co.,Ltd.
Goodsjack Hydraulic Machinery Co.,Ltd.
Tel: +86-769-88057683 83223615
Fax: +86-769-83231691

Address: No3 Jinfu Road, Jinma Industrial Park, Liaobu, Dongguan City, GuanDong Province, China
E-mail: info@goodsjack.com, sales@goodsjack.com, info@dgdelishi.com
WhatsApp/Wechat: +86-13642957273 Alice
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Web: https://www.hydraulic-press-machine.com https://www.kccnc.com
Web: https://www.goodsjack.com

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