Automotive Suspension Spring
Application: Passenger cars, new energy vehicles, heavy trucks
Wire diameter: 10–25mm (12–18mm for cars; over 25mm for trucks)
Two processes: Cold coiling for passenger cars / Hot coiling for heavy trucks
Complete Production Line Equipment
1. Core machine: CNC large wire spring coiling machine (10–26mm, camless full servo)
2. Auxiliary machines: Double-end grinder, continuous heat treatment furnace, shot blasting machine, hot pressing setting machine, electrophoresis coating line
3. Testing devices: Fatigue tester, salt spray tester, laser dimension detector
Production Flow
Raw material inspection → Wire finishing → CNC coiling & cutting → End face grinding → Quenching & tempering → Shot blasting → Press setting → Full inspection → Anti-rust coating → Packing
Output Capacity
Single machine: 800–1500 pcs per day
Full automatic production line: 3000–5000 pcs daily, annual output up to 5 million pieces
Huayida Recommendation
HYD-7230 is a recommended CNC spring coiling machine of 12–23mm large wire, which is a full post-processing equipment, perfect for IATF16949 auto manufacturers.
Medical Catheter & Guide Wire Spring
Application: Cardiovascular catheter, endoscope, minimally invasive surgical instruments
Material: Medical grade 316L stainless steel, Nitinol alloy
Wire range: 0.03mm ~ 0.5mm ultra-fine wire
Strict Precision & Medical Standards
1. Dimensional tolerance: ±0.002~±0.003mm; pitch error ≤±0.005mm
2. Mechanical index: Load tolerance ≤3%, fatigue life ≥1 million times bending
3. Surface: Ra ≤0.2μm, burr-free, mirror electrolytic polishing, 240h salt spray resistance
4. Certification: ISO13485, ISO10993 biocompatibility, USP Class VI, EO sterilization available
5. Production environment: Class 10,000 dust-free clean workshop
Production Equipment & Process
Core machine: Ultra-precision micro spring coiling machine (0.02–0.6mm, feeding accuracy ±0.001mm)
Process: Raw material inspection → Dust-free CNC coiling → Vacuum heat treatment → Medical electrolytic polishing → Passivation → Ultrasonic cleaning → All-item inspection → Aseptic packaging
Output Capacity
Tiny micro springs: Tens of thousands pieces daily
Long guide wire springs: 3000–8000 pcs per day
Huayida Recommendation
HYD-605 is a recommended ultra-fine high-precision spring coiling machine of 0.02–0.06mm wire, supporting vacuum heat treatment & medical polishing lines for top medical device enterprises
Huayida specializes in customized spring forming equipment for automotive and medical high-end industries. We provide whole-line machine matching, process guidance and technical after-sales support. Welcome your inquiry for customized solutions.
