RAW MATERIALS CAN BE CHANGED TO FINE CERAMICS BY NISSIN MULTI-ARC PVD !!

What’s fine ceramics coating?

Ceramics have a lot of excellent performance, and widely application has been establishing recently. But previous ceramics have a weak point as a fragile and difficulty processing, so using areas have limited. However in material’s function, there is a material that special surface condition is required, for example, frictional wear or corrosion is typical of problem. Ceramics have excellent performance against such problem. High purity ceramics coated material has been attracting.
Such special material is widely known as a “Coating tool” or “Coating die”, their endurance is two to ten times than non-coated material.
Using materials want to use as a performance of fine ceramics, such requirement can be done by our coating service.

Feature of fine coating

We can comply with customer needs as follows;

• Several coatings are prepared for customer purpose.
• Precision die and tool can be coated, since coating temperature is not high by multi-arc PVD.
• Coating can be possible regardless material figure. (According to circumstance, it’s impossible to coat in case of material has small holes.)
• Partial coating is possible.
  

Performance and application

Application sample



                                          

Friction-proof parts, Tools, Die
Fine coating can be applied widely to tool, die and
friction-proof part. For example, die for cold
forging and punch press, or high precision die for
reign mold or IC lead frame these are required
severe dimension, such requirement is suitable for
low coating temperature PVD.

AV equipment, Motor car parts
DLC coating has high hardness and low friction
coefficient, and rubbed material is not injured by
DLC. DLC has been taking high valuation by
reason of such future. Recently DLC has applied
to car or compressor parts as a non-lubrication
material.
(Served by Japan ITF)

TiAlN coating to end-mil
        

                                     

Corrosion-proof
Concerning a medical appliances or food facilities are required high corrosion-proof for long term. Fine coating is not only using for friction-proof but also for corrosion-proof.

Decoration
Fine coating can keep glossy surface forever because of non-corrosion. TiN coating of gold color and clear color coating can be coated to glasses frame or eating utensils.
A knife, scissor, fork and spoon is coated.
CrN coating to resign mold die

Comparison sample
For forging die



                             

    

Forging material	Cr- V steel Cr-M steel
Forging speed	50 cycles/ min.
Press machine	200 ton
Punch material	SHK55 HRC68
surface	Nitriding
	TiAlN coating
TiAlN coating to cold forging pin Performance For casting pin	Nitriding Change each 1000 shots
	Coating 6500 to 7000 shots is possible

 

Casting material	ADC 12
Casting parts	Engine cover for motorcycle
Applied chemical	Molybdenum combined
Casting temperature	700 degree
Flow speed	400 /sec. near exit of cylinder
Casting cycle	90 sec./time
Pin diameter	10.5 mm Depth 8 mm
Machine	120 ton
Pin material	SKD 61 HRC 50
Surface	Nitriding
	TiCTiN coating
Performance	Nitriding Change 3 to 5 times during die overhaul each 8000 to 9000 casting
	Coating No need to change during die overhaul

For milling cutter tip
Comparison between TiC - TiN coating and non-coating tip. 

Work	Tool	Condition	Performance
S45C Rail for machining center	11 degree square tip Inscribed circle 15.875 5 inch cutter 6 edges	V = 125/min	Non - coating: Change each 8 works/tip corner Coating tip: 20 works/tip corner
		f = 0.20mm/min
		d = 3.5 mm
SCr-420 Joint parts	11 degree square tip Inscribed circle12.70 8 inch cutter 10 edges	V = 377/min	Non-coating:Change each 6 works/tip cornerCoating tip:62 works/tip corner
		f=0.20 mm/min
		=1mm
SCM 435 Surface of block parts	11 degree square tip Inscribed circle 12.70 6 inch cutter 8 edges	V = 80/min	Non-coating:Change each 18 works/tip cornerCoating tip:40 works/tip corner
		f=0.30 mm/min
		=3mm

For high speed steel used cutting tool (TiN,TiCN,TiAlN)

Tool	Work	Endurance (against non-coating tool)
		Material	3-time 6-time
Spiral end-mill 22 4 edges	Heat-proof steelHB 225Making groove	CoatingNon-coating	..	..	16-time
Spiral end-mill 22 4 edges	Die SKD 61HRC 43	CoatingNon-coating	..	..	..
Cutter 250	SUS 304HB 200	Coating Non-coating	..	..	..
Double size drill 32- 40	Ball- jointS48C HRC 25	CoatingNitriding Non-coating	300 200	..	1200pcs

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