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Z-Crank Rods with Second Form and Case Fit Test
High-precision 3D CNC bending of steel rods into Z-crank handles, then a second forming step and trial assembly onto a carry case - fit proven before batch.
Key Specifications
- Materials
- Steel rod, zinc finish
Key Features
- 3D crank geometry in one program
- Second-form station adds final bends
- Handles snap onto the real case to test
- Fit and function proven before shipping
What Is a Second Form and Why Does It Matter?
Short answer: Some bends cannot happen in one clamp. This video shows steel rods 3D-bent into Z-crank case handles, moved to a second-forming station for the final offsets, then snapped onto the actual carry case to prove fit.
What the Video Demonstrates
| Step | Operation | Result |
|---|---|---|
| 1 | 3D CNC first bends | Crank outline |
| 2 | Second forming | Final offsets |
| 3 | Case trial fit | Function proven |
| 4 | Bin staging | Batch ready |
Key Applications
- Carry case and enclosure handles
- Luggage and toolbox hardware
- Machine guard lift bars
Why Fit-Test on the Real Part
| Measure only | Fit-test (shown) |
|---|---|
| Dimensions pass, feel fails | Snap and wiggle proven |
| Surprises at assembly | Surprises at our bench |
FAQ
Do you sell the bending machines too? Yes - 3D wire and rod bending machines ship worldwide.
Can second operations be automated? Frequently - fixtures and transfer steps are designed in-house.
Interested in this machine?