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STE Servo Series – High‑Speed Eccentric Gear Servo Punch Press

2026-05-14

I. Product Overview & Core Technical Evaluation

Dongguan Qiaosen Machinery’s STE Servo Series is an eccentric‑gear‑driven C‑frame servo punch press, specially optimized for high‑speed progressive die stamping, thin‑plate electronic terminals, shrapnel and small hardware. Featuring direct servo drive and eccentric gear transmission, it achieves higher stamping speed, lower vibration and more stable bottom dead‑center precision than standard single‑crank servo presses. Main models cover 45–110 tons.

Table 1: STE Servo Series Core Parameter Specifications

Model	Nominal Pressure (Ton)	Full‑Load Stable SPM	Repeat Positioning Accuracy	Slider Parallelism (mm/300mm)	Unit Energy Consumption (kWh/h)
STE‑45sv	45	80–120	≤±0.002 mm	≤0.012	0.58
STE‑60sv	60	75–110	≤±0.002 mm	≤0.012	0.62
STE‑80sv	80	70–100	≤±0.003 mm	≤0.015	0.66
STE‑110sv	110	60–90	≤±0.003 mm	≤0.015	0.70

II. Case Analysis: Electronic Hardware Manufacturer Application

A Shenzhen precision electronics manufacturer producing 0.2–1.0 mm cold‑rolled steel terminals adopted 3 sets of STE‑80sv in mid‑2024 to upgrade its progressive‑die production line. Previously using ordinary single‑crank servo presses, the factory faced low speed, unstable precision and high defect rates. After 10‑month continuous two‑shift operation, measurable improvements were achieved as below.

Table 2: Before‑and‑After Production Performance Comparison

Indicator	Ordinary Single‑Crank Servo	Qiaosen STE‑80sv	Improvement
Full‑Load Stamping Speed	60–70 SPM	70–100 SPM	+43%
Product Defect Rate	0.65%	≤0.02%	↓96.9%
Daily Output per Machine	28,000 pcs	40,200 pcs	+43.6%
Mold Service Life	180,000 pcs	660,000 pcs	+267%
Payback Period	—	7 months	Fast ROI

III. Key Advantages & Conclusion

Different from standard STA single‑crank servo presses, the STE series uses eccentric gear transmission for ultra‑high‑speed continuous stamping, with stronger anti‑eccentric‑load performance, ideal for wide progressive dies and thin‑plate mass production. It significantly improves production efficiency, reduces scrap rate and extends mold life for electronic and small‑hardware manufacturers.

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