Nut Bolt Former Automatic Machine
A fully automatic servo-driven cold former for high-volume production of hex nuts, flange nuts, and bolts from M12 to M48.


Product Specification
|
MODEL |
160K-3 |
160K-3G |
200K-3 |
200K-3G |
250K-3 |
250K-3G |
315K-3 |
315K-3G |
400K-3 |
400K-3G |
|
MAX CLAMP DIAMETER(mm) |
55 |
55 |
60 |
60 |
70 |
70 |
85 |
85 |
100 |
100 |
|
MAX CLAMP HEIGHT(mm) |
50 |
50 |
60 |
60 |
60 |
60 |
75 |
75 |
80 |
80 |
|
SPEED(PCS/min) |
35-45 |
35-45 |
30-40 |
30-40 |
25-35 |
25-35 |
20-30 |
20-30 |
20-30 |
20-30 |
|
HEIGHT ADJUSTING RANGE(mm) |
0-20 |
0-20 |
0-20 |
0-20 |
0-20 |
0-20 |
0-20 |
0-20 |
0-20 |
0-20 |
|
BEAM LIFTING HEIGHT DURING WORKING |
/ |
0-120 |
/ |
0-120 |
/ |
0-120 |
/ |
0-120 |
/ |
0-120 |
|
STROKE(mm) |
170 |
170 |
220 |
220 |
250 |
250 |
250 |
250 |
300 |
300 |
|
TOP TABLE DIMENSION(mm)L*W*H |
700 * 660 * 60 |
700 * 660 * 60 |
800 * 700 * 80 |
800 * 700 * 80 |
800 * 750 * 90 |
800 * 750 * 90 |
800 * 750 * 100 |
800 * 750 * 100 |
1000 * 750 * 110 |
1000 * 750 * 110 |
|
DOWN TABLE DIMENSION (mm)L*W*H |
1300 * 760 * 120 |
1300 * 760 * 120 |
1400 * 750 * 130 |
1400 * 750 * 130 |
1500 * 800 * 140 |
1500 * 800 * 140 |
1500 * 800 * 150 |
1500 * 800 * 150 |
1600 * 900 * 160 |
1600 * 900 * 160 |
|
SERVO MOTOR POWER(KW) |
3 |
4.5 |
3 |
4.5 |
3 |
4.5 |
3 |
4.5 |
4.5 |
4.5 |
|
MANUPULATOR OVERALL DIMENSION(MM)L*W*H |
3300 * 800 * 700 |
3300 * 800 * 700 |
3400 * 800 * 700 |
3400 * 800 * 700 |
3700 * 1000 * 800 |
3700 * 1000 * 800 |
3600 * 1000 * 800 |
3600 * 1000 * 800 |
4200 * 1200 * 100 |
4200 * 1200 * 100 |
|
MANIPULATOR WEIGHT(Kg) |
2000 |
2100 |
2500 |
2600 |
2900 |
3000 |
3200 |
3300 |
3700 |
3700 |
Features
High Speed
35–45 pcs/min for M12–M30
Precision
±0.05 mm transfer accuracy ensures uniform head geometry and height-meets ISO 4759 without rework.
Fast Size Change
Digital servo presets + modular tooling enable full changeover (e.g., M20 → M24) in under 90 minutes.


After-Sales Service
On-Site Commissioning: Engineers install, calibrate, and validate first-article quality at your facility.
Operator Training: Hands-on training on HMI operation, quick-change procedures, and daily maintenance.
24/7 Remote Support: Secure remote access for real-time diagnostics and parameter optimization.
Spare Parts Guarantee: Critical spares (servo drivers, sensors, gripper pads) stocked globally-shipped within 48 hours.
Warranty: 12-month full coverage on core mechanical and electrical components; extended plans available.
FAQ
What is the specific size range for this machine?
This series is optimized for M12 to M48 fasteners, handling clamp diameters from 12mm to 48mm and billet lengths up to 150mm, covering the highest volume market segment.
How quickly can we change over to a different nut size?
Using digital servo presets, the machine automatically adjusts stroke and timing. Combined with modular grippers, a full changeover (e.g., M20 to M24) takes under 90 minutes.
Can this integrate with our existing induction heater?
Yes, if your heater supports external PLC signaling. However, our integrated turnkey package (Heater + Machine + Press) is recommended to guarantee perfect synchronization and achieve the claimed 30% energy savings.
Does the system support Industry 4.0 data collection?
Yes. Our PLC includes native Ethernet/IP and Modbus TCP ports, enabling seamless connection to MES/ERP systems for real-time monitoring of output, downtime, and energy usage.
What maintenance is required?
Daily lubrication of linear guides and gripper pad inspection are standard. The servo system is maintenance-free for over 20,000 operating hours. A detailed preventive schedule is provided upon delivery.
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