3-Die 3-Blow cold heading machine configuration distributes forming tasks across three independent die stations, enabling progressive structural shaping from initial gathering to final head completion. Each die cavity manages a defined stage of deformation, allowing material flow to be guided step by step rather than concentrated within a limited forming space.
Gradual redistribution reduces internal stress concentration and improves dimensional transition accuracy between shank and head areas. Compared with single-die or dual-die systems, this arrangement allows greater flexibility when forming bolts with more detailed geometry requirements.
Separating deformation stages enhances predictability during high-volume production and supports improved repeatability across extended manufacturing cycles. Increased structural coordination makes this configuration appropriate for manufacturers seeking stronger process stability and refined head definition.
TAICHUANG supplies 3-Die 3-Blow cold heading machine solutions for fastener producers aiming to expand forming capability while maintaining balanced production efficiency.
|
Modle |
YH5-3S |
YH5-3SL |
YH6-3S |
YH8-3S |
|
Stations Quantity/NO. |
3 |
3 |
3 |
3 |
|
Forming Force/kgs |
38000 |
38000 |
65000 |
80000 |
|
Max Cut-off Diameter/mm |
Φ7.0 |
Φ7.0 |
Φ8.0 |
Φ10.0 |
|
Max Cut-off Length/mm |
60 |
70 |
85 |
110 |
|
Capacity/pcs/min |
100-120 |
100-120 |
90-110 |
70-90 |
|
P.K.O Stroke/mm |
16 |
16 |
25 |
25 |
|
K.O Stroke/mm |
65 |
85 |
90 |
120 |
|
Stroke/mm |
100 |
120 |
125 |
145 |
|
Cut-off Die Diameter/mm |
Φ19*38 |
Φ19*38 |
Φ28*38 |
Φ35*45 |
|
Main Die Diameter/mm |
Φ46*95*3 |
Φ46*100*3 |
Φ50*135*3 |
Φ60*130*3 |
|
Punch Die Diameter/mm |
Φ31*75*3 |
Φ31*75*3 |
Φ40*120*3 |
Φ45*120*3 |
|
Cutter Size/mm |
10*32*75 |
10*32*75 |
12*32*85 |
14*45*105 |
|
Die pitch /mm |
53 |
53 |
65 |
80 |
|
Normal Size of Bolt/mm |
Φ2-7 |
Φ2-7 |
Φ3-8 |
Φ4-10 |
|
Shark Length of Blank/mm |
5-50 |
5-50 |
5-57 |
10-90 |
|
Main Motor Power/kw |
5.5 |
7.5 |
11 |
18.5 |
|
Volume(L*W*H)/cm |
250*120*115 |
250*120*115 |
360*150*151 |
473*180*176 |
|
Weight/kg |
2100 |
2300 |
4400 |
7800 |
3-Die 3-Blow Cold Heading Machines perform distinct forming responsibilities:
• The first die gathers and pre-shapes material mass
• The second die refines transitional geometry
• The third die completes final head shaping
Staged progression enables smoother material flow and better control over volume redistribution. Independent cavities allow shaping corrections at intermediate steps before final completion.
Multi-die coordination supports:
Improved head symmetry
Defined shoulder transitions
More accurate dimensional layering
Enhanced concentricity control
Reduced deformation shock accumulation
Gradual forming improves stability when producing bolts with moderate to advanced geometry profiles.
Distributing forming load across three dies helps reduce excessive stress on individual cavities.
More balanced impact energy application contributes to:
Extended tooling stability
Improved batch uniformity
Predictable dimensional repeatability
Reduced variation during long production runs
Production lines transitioning from simpler configurations often adopt this structure for improved forming depth without entering highly complex multi-blow systems.
1. What is the main advantage of using three dies?
Three dies allow deformation to occur in structured stages, improving geometry refinement and dimensional control.
2. How does it compare with 2-Die 2-Blow systems?
Additional die station increases shaping precision and allows better transitional control between forming stages.
3. Is tooling complexity significantly higher?
Tooling increases due to additional die cavity, but staged forming often improves process reliability and output consistency.
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Email: sales03@gdtaichuang.cn
Telephone: +86-757-85755398
Fax: +86-757-85765865
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Building 1, Ruixin Technology Park, No. 206 of Xingye North Road, Shishan Town, Nanhai District, Foshan, Guangdong, China. 528225
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If you have any enquiry about quotation or cooperation, please feel free to email us at sales03@gdtaichuang.cn or use the following inquiry form. Our sales representative will contact you within 24 hours. Thank you for your interest in our products.
Precision-Engineered Customization/Patent-Protected Innovation
Cost Savings: 30% average reduction vs. trading companies
Quality Control: Live video factory audits during production
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