SURFACE TREATMENT （TD PROCESS）
LIST OF TD EQUIPMENT
| DEVICE | NAME OF DEVICE | DIMENSION | UNIT | MAX TEMPRERATURE | CAPACITY |
| TD FURNACE | TD(Toyota Diffusion Coating Process) Furnace | Φ400×600 | 1 | 1020℃ | 120Kg/Ch |
| OTHERS | Pre-Heating Furnace | Φ400×600 | 1 | 850℃ | - |
| Pod Type Atmosphere Tempering Furnace | Φ400×600 | 2 | 650℃ | - | |
| Cooling Unit | Φ510×810 | 1 | － | - | |
| Finishing Washing Bath | Φ510×810 | 1 | － | - |
Characterristic of TD Process (Compared with other treatment)
| TD | CVD | PVD | |
| Reaction | Thermonal & Diffusion | Thermonal reaction | Plasma |
| Layer of coating | VC | Tic,TiN,TiNC etc | Tin,TiAlN,CrN,DLC etc |
| Colour of coating | Dark gray | TiC：White Silver TiN：Gold | TiN：Gold TiAｌN：Dark purple |
| Hardness 【HV】 | 3200～3700 | TiC：3300～3700 | TiN；2200～2700 |
| Thicness of layer 【μm】 | 6～10 | 7～10 | 3～5 |
| Teprerature 【℃】 | 1000～1020 | 700～1100 | 200～600 |
| Accuracy | △ | △ | ◎ |
| Adhesion | ◎ | ◎ | ○～◎ |
| Friction coefficient | ○～◎ | TiC：◎ TiN：○ | TiN：○ TiAlN：○ |
| Mirror surface | ◎ | ◎ | ○ |
Recommended parts:
| ・Drawing punch dies | |
| ・Blanking punch dies | |
| ・Forming rolls | |
| ・Shearing cutters | |
| ・Cold forging punch dies | |
| ・Extruding dies | |
| ・Bending dies | |
| ・Swaging dies | |
| ・Core pins |
【TD Furnace】 【Tempering Furnace】
