A 7-station nut former is positioned above standard configurations by offering increased forming resolution across the production cycle. Within cold heading machine systems, the additional station allows deformation to be distributed more gradually, helping stabilize nut geometry and improve shape consistency.
Compared with six-station nut formers, this configuration provides greater flexibility when forming nuts with chamfers, contours, or dimensional transitions that require controlled shaping. Each forming station contributes a defined step, reducing stress concentration and improving repeatability across production runs.
TAICHUANG introduces the 7-station nut former as a solution for buyers evaluating advanced nut forming capability while maintaining clear process logic and tooling control.
|
Model |
Unit |
SJNF 8B-7S |
SJNF 11B-7S |
SJNF 14B-7S |
SJNF 19B-7S |
SJNF 24B-7S |
SJNF33B-7S |
|
Forging station |
No. |
7 |
7 |
7 |
7 |
7 |
7 |
|
Across flats of nut |
mm |
5-8 |
5.5-12.7 |
10-17 |
14-22 |
17-26 |
24-33 |
|
Suitable hex nut |
mm |
M2.5-M5 |
M3-M6 |
M6-M10 |
M8-M14 |
M10-M18 |
M16-M22 |
|
Cut-off dia.(Max) |
mm |
8 |
11 |
14 |
19 |
24 |
30 |
|
Cut-off length(Max) |
mm |
12 |
18 |
20 |
22 |
38 |
40 |
|
Kick out length(Max) |
mm |
15 |
20 |
25 |
28 |
45 |
55 |
|
Dies pitch |
mm |
38 |
50 |
60 |
80 |
100 |
140 |
|
Forging power |
kgs |
35,000 |
58,000 |
100,000 |
150,000 |
300,000 |
400,000 |
|
Ram stroke |
mm |
58 |
76 |
100 |
110 |
160 |
200 |
|
Output for nut |
pcs/min |
110-260 |
90-220 |
80-180 |
60-120 |
50-80 |
40-70 |
|
Main motor |
kw |
7.5 |
11 |
15 |
37 |
55 |
132 |
|
Lubrication motor |
kw |
1.5 |
1.5 |
2.2 |
2.2 |
2.2 |
2.2 |
|
Lubricant |
L |
400 |
700 |
1000 |
1400 |
2000 |
3400 |
|
Lifting reference weight |
Ton |
4 |
5.5 |
9 |
16 |
30 |
50 |
|
Machine dimensions |
cm |
210*160*110 |
260*170*130 |
310*220*160 |
380*240*170 |
480*320*215 |
590*390*230 |
|
Model |
Unit |
SJNF 11B-7SL |
SJNF 14B-7SL |
SJNF 17B-7SL |
SJNF 19B-7SL |
SJNF 24B-7SL |
SJNF 33B-7SL |
SJNF 41B-7SL |
SJNF 41B-7SL(120L) |
|
Forging station |
No. |
7 |
7 |
7 |
7 |
7 |
7 |
7 |
7 |
|
Cut-off dia.(Max) |
mm |
11 |
14 |
17 |
19 |
24 |
30 |
40 |
40 |
|
Cut-off length(Max) |
mm |
36 |
40 |
55 |
48 |
60 |
75 |
68 |
85 |
|
Kick out length(Max) |
mm |
40 |
60 |
60 |
60 |
80 |
100 |
80 |
120 |
|
P.K.O length(Max) |
mm |
16 |
18 |
19 |
20 |
25 |
30 |
30 |
35 |
|
Dies pitch |
mm |
50 |
60 |
70 |
80 |
100 |
140 |
165 |
165 |
|
Forging power |
kgs |
60,000 |
120,000 |
125,000 |
185,000 |
300,000 |
400,000 |
500,000 |
550,000 |
|
Ram stroke |
mm |
160 |
200 |
210 |
220 |
280 |
280 |
240 |
360 |
|
Output for nut |
pcs/min |
55-140 |
60-110 |
50-100 |
50-90 |
45-80 |
40-80 |
40-75 |
40-70 |
|
Main motor |
kw |
15 |
22 |
30 |
41 |
55 |
160 |
220 |
220 |
|
Lubrication motor |
kw |
1.5 |
2.2 |
2.2 |
2.2 |
2.2 |
2.2 |
2.2 |
2.2 |
|
Lubricant |
L |
800 |
1,200 |
1,300 |
1,600 |
3,000 |
3,500 |
4,000 |
5,000 |
|
Lifting reference weight |
Ton |
6 |
10 |
12 |
20 |
35 |
57 |
85 |
95 |
|
Machine dimensions |
cm |
290*170*130 |
350*220*150 |
370*240*170 |
470*260*195 |
579*310*210 |
645*375*230 |
780*450*250 |
830*465*265 |
The forming sequence typically includes the following:
Material feeding and blank cutting
Initial body shaping
Progressive nut profile forming
Intermediate geometry refinement
Corner and chamfer definition
Dimensional correction
Final forming and discharge
This staged approach allows the 7-Station Nut Former to manage material deformation step by step, which is critical for more complex nut geometries.
Nuts with special contours or chamfers
Automotive and mechanical fastening components
Industrial nuts with tighter dimensional expectations
Engineered fasteners requiring consistent geometry
Cold heading nut forming relies on deformation rather than machining. By adding an extra station, the 7-station nut former helps improve internal material flow and surface consistency. Buyers typically evaluate this machine based on tooling stability, forming repeatability, and adaptability to different nut designs.
TAICHUANG supports customers by aligning nut former configurations with product drawings, material properties, and production planning goals.
Q1: Why choose a 7-station nut former instead of a 6-station model?
The additional station allows finer control over material flow and supports more complex nut shapes.
Q2: Is this still considered a cold heading machine?
Yes, it forms nuts through cold deformation without material removal.
Q3: Does higher station count increase setup complexity?
Setup requires planning, but it also offers greater forming flexibility.
Contact us freely for any inquiries on our products by following:
Email: sales03@gdtaichuang.cn
Telephone: +86-757-85755398
Fax: +86-757-85765865
Mob: +86-18576574047
24 hours on line contact:
whatsApp: 8618576574047
Address
Building 1, Ruixin Technology Park, No. 206 of Xingye North Road, Shishan Town, Nanhai District, Foshan, Guangdong, China. 528225
Tel
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.
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Quality Control: Live video factory audits during production
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