The applied techonology of the high-speed reversal

power supply　"DUTY" by the current reversed method.
 

The current reversal power supply which changes the world of a surface treatment.
In transformation of an alumite leather film, it is DUTY.
 
 

Suggested use
　

Aluminum and an aluminum alloy transfarm to the anode or for coloring.
　
 　
 

Errect
 
In oxalic acid bath, since there is no solubility of medicine compared with sulfuric acid bath, the degree of surface　roughness is maintained, and hardness also comes out. However, compared with sulfuric acid bath, voltage required since the electrolysis voltage of a power supply is required doubles.
 
The leather film transformation of aluminum and the high temperature and high -speed alumite of the alloy
 
The greatest feature of a reversal power supply is carrying out high-speed reversal of the polarity of a direct-current output, and processing of the material with difficult machining etc., became comparatively easy from the former by using this power supply.
 
The result of the salt water atomization after oxalic acid alumite and sulfuric acid alumite processing.
 
It is generation(setting at the±2℃ time with a temperature of 28℃) of a uniform leather film at quality of the material ADC 12
Appearance 24 hours after an examination
(JIS Z 2371 conformity)		 Appearance 96 hours after an examination
(JIS Z 2371 conformity)
試験24時間後の外観（JIS Z 2371準拠）　　　試験96時間後の外観（JIS Z 2371準拠）

In the case of sulfuric acid alumite
Pelation between the difference of temperature which uses a reversal power supply, and hardness.
Alumite leather film thickness and the measurement result of hardness (Duty ratio 20:1)
As conditions More than film thickness : 30micrometer more than hardness:350HV
　
 duty-en.jpg
　
　

Standard specifications
　
 duty-en-2.jpg
Some specifications are subject to change without prior notice for product improvement.
 　

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