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 -

 

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 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

 

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               【TD Furnace】                                             【Tempering Furnace】

td 6                td 7