Fair Shine industrial (Hong Kong) Co., Limited
To provide customers with the most comprehensive precision mold parts solutions.
What is Stamping Processing?
Stamping processing is a high-precision metal forming technique that uses dies and presses to transform sheet metal into specific shapes through cutting, bending, drawing, or coining operations. This cold-working process achieves dimensional tolerances as tight as ±0.05 mm for precision components, with production speeds reaching 1,200 strokes per minute on advanced progressive dies. The process generates forces ranging from 5 to 2,500 tons, depending on material thickness and complexity, while maintaining surface roughness values between Ra 0.4-1.6 μm. Modern stamping achieves material utilization rates exceeding 85% through optimized nesting algorithms, significantly reducing waste compared to machining processes.
Key characteristics of stamping processing include:
High Production Efficiency: Capable of producing 50,000+ parts per day on automated lines with multi-stage dies
Material Versatility: Processes metals from 0.1 mm aluminum foil to 6 mm high-strength steel
Precision Consistency: Maintains CPK values >1.67 for critical dimensions in mass production
Cost Efficiency: Achieves per-part costs 60-80% lower than CNC Machining for high volumes
Application Scenarios
Stamping processing serves critical functions across multiple industries:
Automotive Manufacturing
The automotive sector consumes 40% of all stamped components, including body panels with 0.7-1.2 mm thickness tolerances, chassis parts requiring 980 MPa tensile strength, and precision fuel system components with leak rates below 0.01 cc/min. Modern electric vehicles utilize 300-400 stamped parts per vehicle, with battery enclosures demanding IP67 protection standards.
Electronics Industry
Micro-stamping produces connector pins with 0.1 mm pitch accuracy, EMI shielding cans maintaining 60 dB attenuation, and heat sinks achieving 10 μm flatness. Smartphone manufacturers require ±15 μm positional accuracy for camera bezel stampings.
Aerospace Components
Aircraft applications include titanium alloy brackets with 1:3 drawing ratios, aluminum skin panels with 0.2% thickness variation limits, and engine components surviving 800°C operating temperatures. Critical aerospace stampings undergo 100% dimensional inspection with CMMs.
Medical Equipment
Surgical instrument stampings achieve Ra 0.2 μm surface finishes, while implantable components meet ASTM F138 stainless steel standards. Drug delivery devices require stampings with ±5 μm bore diameter consistency.
Maintenance Procedures
Proper maintenance ensures stamping equipment operates at peak performance:
Daily Maintenance
Inspect punch and die clearance (5-10% of material thickness)
Verify press parallelism within 0.02 mm/m
Monitor hydraulic systems for pressure drops exceeding 5% of setpoint
Check feeder alignment to ±0.1 mm tolerance
Weekly Procedures
Measure die wear using profilometers (<10 μm wear allowance)
Verify press tonnage within ±3% calibration
Inspect guide bushings for <0.005 mm radial play
Test safety systems to ANSI B11.3 standards
Monthly Maintenance
Rebuild hydraulic systems after 2,000 operating hours
Recalibrate sensors to NIST traceable standards
Perform vibration analysis on driveshafts (<2.5 mm/s RMS)
Verify CNC backgauge positioning to ±0.01 mm
Annual Overhaul
Replace ball screws after 5 million cycles
Recertify press frames for 110% rated capacity
Upgrade control software to latest revisions
Perform 8-hour continuous run tests
Critical maintenance tools include:
Laser alignment systems (0.001 mm resolution)
Infrared thermography cameras (±1°C accuracy)
Ultrasonic thickness gauges (±0.01 mm precision)
Surface roughness testers (Ra 0.05-10 μm range)