Precision Die Making | Custom Stamping Dies for High-Volume Production
At Shanxi Fuding International Trade Co., Ltd. , we've been designing and building precision stamping dies for over 14 years. Our toolroom delivers precision die making services for companies that need reliable, long-lasting tooling for high-volume production. Whether you need progressive dies for complex automotive parts, compound dies for tight-tolerance components, or fine blanking tools for clean edges, we build dies that run - day after day, million after million.
What Precision Die Making Actually Means
Precision die making is the design and fabrication of custom tooling used in stamping presses to cut, form, and shape metal parts. Unlike standard tooling, precision dies are built to:
Hold ±0.002mm to ±0.05mm tolerances consistently
Run at 500-1,200 strokes per minute for high-volume production
Produce 1 million to 150 million parts over tool life
Deliver burr-free edges and clean geometry
Bottom line: A precision die isn't just a tool - it's a production asset that determines your part quality, scrap rate, and profitability.
Types of Precision Dies We Build
|
Die Type |
Description |
Typical Applications |
|
Progressive Dies |
Multiple stations, strip fed, finished part at last station. Ideal for high-volume, complex parts . |
Connectors, terminals, brackets, lead frames |
|
Compound Dies |
Two or more operations in one press stroke. Best for tight-tolerance flat parts . |
Washers, shims, simple blanks |
|
Transfer Dies |
Individual workpieces moved between stations within one press. For large or deep-drawn parts . |
Automotive body panels, structural components |
|
Fine Blanking Dies |
Specialized tooling for 100% sheared edges, no break line. |
Gears, levers, precision mechanical parts |
|
Line Dies |
Multiple presses, each performing one operation. For large parts requiring customization . |
Hoods, doors, large structural parts |
|
Motor Lamination Dies |
High-speed progressive dies for stator and rotor laminations. Features auto-stacking, auto-skew, rotation capabilities . |
Electric motors, generators, EV traction motors |
Our Precision Die Making Capabilities
Design & Engineering
Software: 3D CAD modeling with simulation (SolidWorks, AutoCAD, Visi)
Strip Layout Development: Optimized material utilization, progressive station planning
Mold Flow / Forming Simulation: Predict material flow, springback, stress points before cutting steel
Design Reviews: Collaborative reviews with your team before fabrication
Manufacturing Equipment
|
Equipment |
Capability |
|
Wire EDM |
Sodick machines, ±0.002mm accuracy, complex contours |
|
CNC Machining Centers |
3-axis and 5-axis, high-speed machining |
|
Jig Grinding |
America JG grinders, precision hole locations |
|
Surface Grinding |
Flatness to 0.002mm |
|
Cylindrical Grinding |
Precision punches, pins |
|
Sinker EDM |
Complex cavities, small radii |
|
CNC Turning |
Precision components |
Die Materials
|
Component |
Material Options |
Hardness |
|
Cavities / Cores |
D2, A2, H13, M2, carbide |
58-62 HRC |
|
Punches |
M2, M4, carbide with coatings (TiCN, Al-Cr) |
58-64 HRC |
|
Die Buttons |
Carbide, D2 |
58-62 HRC |
|
Guide Posts / Bushings |
20Cr, GCr15, carburized |
58-62 HRC case |
|
Strippers / Retainers |
D2, 4140 pre-hard |
50-55 HRC |
|
Die Sets |
HT300 gray iron, Q235 plate |
Stress-relieved |
Precision Tolerances
|
Feature |
Standard |
Precision |
|
Die clearance |
4-8% of material thickness |
Optimized per application |
|
Punch-to-die alignment |
±0.005mm |
±0.002mm |
|
Guide post roundness |
≤0.005mm |
≤0.002mm |
|
Guide clearance |
≤0.01mm (H7/h6 fit) |
≤0.005mm |
|
Surface finish |
Ra 0.8μm |
Ra 0.4μm |
|
Concentricity (motor dies) |
0.02-0.05mm |
0.01mm achievable |
Die Life Expectancy (Real Numbers)
|
Die Type |
Material |
Expected Life |
|
Progressive die (carbide) |
Motor laminations |
Up to 150 million strokes |
|
Progressive die (tool steel) |
Automotive parts |
5-20 million strokes |
|
Compound die |
General stamping |
1-5 million strokes |
|
Fine blanking die |
Precision parts |
500,000-2 million strokes |
Our Die Making Process
Design & Engineering Review
You provide part drawing or 3D model (STEP preferred)
We analyze material, tolerances, and production volume
Strip layout developed with simulation verification
DFM feedback provided within 48 hours
Material Selection & Procurement
Tool steel sourced from certified mills
Spectrometer verification of material composition
Carbide grades selected based on application
Machining & Fabrication
CNC machining of die plates, blocks
Wire EDM of cavities, punches, and complex contours
Jig grinding of precision holes
Heat treatment in controlled furnaces
Fitting & Assembly
Skilled toolmakers fit all components
Guide posts and bushings aligned
Clearances verified
Ejection systems tested
Tryout & Sampling
Die mounted in test press (60T to 400T)
Sample parts run at production speeds
Dimensions inspected on CMM/2.5D
Adjustments made as needed
.
First Article Inspection
Full dimensional report with actual measurements
Material certifications provided
Sample parts shipped with die
Delivery & Documentation
Die crated for shipment
Maintenance recommendations provided
CAD models (optional) included
Industries We Serve
|
Industry |
Applications |
Tolerance Requirements |
|
Automotive |
Connectors, terminals, brackets, structural parts, motor laminations |
±0.01-0.05mm, IATF 16949 |
|
Medical |
Surgical instruments, implant components, device parts |
±0.005-0.02mm, ISO 13485 |
|
Electronics |
IC lead frames, connectors, shield cans, terminals |
±0.002-0.01mm |
|
Aerospace |
Precision brackets, clips, hardware |
±0.005-0.02mm, AS9100 |
|
Industrial |
Motor laminations, gears, structural components |
±0.02-0.05mm |
|
Consumer Goods |
Appliance parts, hardware, fasteners |
±0.05-0.1mm |
Featured Applications
Motor Lamination Dies
Specialized progressive dies for stator and rotor laminations with:
Auto-stacking technology for assembled cores
Auto-skew capability for motor performance optimization
180° and 360° rotation options
Carbide construction for 150 million+ stroke life
Concentricity held to 0.02-0.05mm
01
IC Lead Frame Dies
Ultra-precision progressive dies for semiconductor packaging:
Fine-pitch features
Tight positional tolerances
High-speed production capability
02
Terminal & Connector Dies
High-speed progressive dies for automotive and electronics connectors:
500-1,200 SPM operation
Multi-station design with complex forming
Options for in-die tapping, coining
03
Fine Blanking Dies
For parts requiring 100% sheared edges:
No break line on cut surfaces
Tight flatness tolerances
Often eliminates secondary machining
04
Lead Times & Costs - Real Numbers
|
Die Type |
Design Time |
Build Time |
Total Lead Time |
Cost Range |
|
Simple compound die |
1-2 weeks |
3-4 weeks |
4-6 weeks |
$8,000-$15,000 |
|
Progressive die, 8-12 stations |
2-3 weeks |
5-7 weeks |
7-10 weeks |
$15,000-$35,000 |
|
Complex progressive, 15+ stations |
3-5 weeks |
7-10 weeks |
10-14 weeks |
$35,000-$80,000 |
|
Motor lamination die (carbide) |
4-6 weeks |
8-12 weeks |
12-16 weeks |
$50,000-$150,000 |
|
Transfer die |
4-6 weeks |
8-12 weeks |
12-16 weeks |
$50,000-$150,000 |
|
Fine blanking die |
3-4 weeks |
6-8 weeks |
9-12 weeks |
$25,000-$60,000 |
Monthly capacity: 15-20 sets of precision stamping dies
Real Customer Examples
Example 1: Motor Lamination Die for EV Traction Motor
Customer: Electric vehicle manufacturer needed high-efficiency stator and rotor laminations
Our solution:
Carbide progressive die with 24 stations
Auto-stacking technology for assembled cores
Auto-skew for motor performance
Concentricity held to 0.02mm
Result: Die producing 2 million laminations monthly, 100+ million life projected.
Example 2: High-Speed Connector Die for Automotive
Customer: Tier 1 automotive supplier needed 0.64mm terminals at 800 SPM
Our solution:
16-station progressive die
D2 tool steel with carbide inserts at wear points
In-die tapping integrated
Tolerances held to ±0.01mm
Result: Running at 850 SPM, 0.3% scrap rate.
Why Use Our Precision Die Making Services
- 14+ years building precision stamping dies
- In-house everything: design, machining, EDM, grinding, heat treat, tryout
- Experienced toolmakers: average 15+ years in trade
- Multi-industry certifications: ISO 9001, IATF 16949, ISO 13485
- Full documentation: FAI, material certs, CMM reports
- Warranty: 90 days on workmanship
Quality Certifications
ISO 9001:2015 certified
IATF 16949 certified for automotive
ISO 13485 certified for medical devices
Inspection Equipment
CMM (Coordinate Measuring Machine)
2.5D optical measuring systems
Hardness testers
Spectrometer for material verification
Surface roughness testers
Projectors for profile checking
Quality Documentation
First Article Inspection reports
Material certifications
Heat treatment records
In-process inspection data
Final CMM reports (upon request)
one-stop solution
professional team
high quality
Get a Quote for Your Precision Die
We need:
Part drawing or 3D model (STEP preferred)
Material specifications (type, thickness)
Annual volume (helps determine tool construction)
Press specifications (tonnage, shut height, if known)
Any special requirements (coatings, in-die assembly, etc.)
We provide:
Fixed-price quote
Lead time commitment
DFM feedback with improvement suggestions
Sample parts from tryout
Your information is confidential. We respond within 24 hours.
