Korea's No. 1 Power Equipment Parts Company
1. Casting
After dissolving the ingot, casting using a casting mold the process of producing (Busbar ,Cramp etc.)
2. Post-Processing
Post-treatment (cutting and polishing) process of the castings produced
3. Mold Processing
First processed products such as busbar and copperrod Processing with MCT and CNC
4. Plating
Plating process for processed busbars, etc. (outsourcing)
5. Assembly
Primary Assembly (Conductor): Busbar and copperrod Coupling Process
Secondary Assembly (Final): Final Assembly Process for Conductors, insulator, and Gasket
6. Inspection of Finished Products
Inspection of finished product dimensions, appearance, pneumatic, conductivity
7. Packing And Shipping
Packing And Shipping
Material receiving inspection
Import inspection
Melting
Casting
Self-inspection
Post-processing
(Cutting and Polishing)
Self-inspection
| Inspection items | Management item | Management item | Management method | Checker |
|---|---|---|---|---|
| Receiving inspection | INGOT | Compliance with KS standards | Mill Sheet(by lot) | QC manager |
| Self-inspection (casting process) | Castings (busbars, etc.) | Dimensions compared to drawings | Check inspection (first product) | Worker |
| Self-inspection (post-treatment process) | Castings (busbars, etc.) | Appearance defect | Total inspection | Worker |
| Inspection items | Management item | Management item | Management method | Checker |
|---|---|---|---|---|
| Import inspection | Casting, etc | Checking ingredients | Quarterly random inspection | QC manager |
| Dimensions compared to drawings | 1 pcs for each model | QC manager |
Pre-injection inspection
MCT processing
CNC processing
Self-inspection
Plating
Import inspection
| Inspection items | Management item | Management item | Management method | Checker |
|---|---|---|---|---|
| Pre-injection inspection | busbar, etc | Appearance defect status | Full inspection | Worker |
| Dimensions compared to drawings | Check inspection (1 Sample before processing) | Worker | ||
| Self-inspection | busbar, etc | Product surface roughness | Full inspection | Worker |
| Dimensions compared to drawings | Check inspection (first product per lot) | Worker |
| Inspection items | Management item | Management item | Management method | Checker |
|---|---|---|---|---|
| Import inspection | busbar, etc | Self-specification: 10 μm | Mill Sheet (by Lot) | QC manager |
Material receiving inspection
CNC processing
Self-inspection
| Inspection items | Management item | Management item | Management method | Checker |
|---|---|---|---|---|
| Import inspection | rods and nuts | Compliance with KS standards | Mill Sheet (by Lot) | QC manager |
| Dimensions compared to drawings | Check inspection (2pcs per lot) | QC manager | ||
| Self-inspection (CNC process) | rods and nuts | Dimensions compared to drawings | Full inspection | Worker |
| Conneticon diagram of corerod and screw/td> | Check inspection (Worker 1/10pcs) | Worker |
pre-injection inspection
Assembly (conductor)
Self-inspection
Assembly (Final)
Self-inspection
| Inspection items | Management item | Management item | Management method | Checker |
|---|---|---|---|---|
| pre-injection inspection | porcelain tube | Dimensions compared to drawings | Full inspection | Worker |
| Slope and surface defects | Full inspection | Worker | ||
| Self-inspection | Conductor (busbar + corerod) | Assembly Talk | Full inspection | Worker |
| Soldering surface contamination status | Full inspection | Worker | ||
| Final (conductor + insulator + gasket) | Dimensions compared to drawings | Full inspection | Worker |
dimensional inspection
an appearance inspection
pneumatic inspection
Conductivity check
| Inspection items | Management item | Management item | Management method | Checker |
|---|---|---|---|---|
| dimensional inspection | Bushing (finished product) | Dimensions compared to drawings (Within 3% of allowable tolerance non-marking) |
Full inspection | QA manager |
| Appearance inspection | Bushing (finished product) | Assembly status and surface defects | Full inspection | QA manager |
| Pneumatic inspection | Bushing (finished product) | Self-standard: 0.7 MPa | Check inspection (by Lot) | QA manager |
| Conductivity test | Bushing (finished product) |
Customer and Self-Criteria (Net Convergence) - Copper Forging: 95% - Copper casting: 80% - Brass: 24% - Bronze: 13% |
Customer request (1pcs per same lot) | QA manager |
pre-injection inspection
packing
Self-inspection
release
Storage other than forwarding items
| Inspection items | Management item | Management item | Management method | Checker |
|---|---|---|---|---|
| pre-injection inspection | bushing | Quantity identification | Full inspection | Worker |
| Self-inspection | bushing | Packaging status | Full inspection | QC manager |
