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Pre-plating method and surface processing device

A surface treatment device and pre-plating technology, applied in the electrolytic process, electrolytic components, etc., can solve the problems of reduced electroplating adhesion and uniformity, and achieve the effect of optimizing pre-plating, improving electroplating adhesion and electroplating uniformity

Inactive Publication Date: 2012-09-12
SUZUKI MOTOR CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, when the anodic electrolytic etching treatment is performed on the inner peripheral surface of the cylinder as a pre-plating process, the etching depth decreases at low temperature positions, and therefore, a decrease in plating adhesion and uniformity may occur in plating

Method used

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  • Pre-plating method and surface processing device
  • Pre-plating method and surface processing device
  • Pre-plating method and surface processing device

Examples

Experimental program
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Effect test

no. 1 example

[0031] [The first embodiment ( Figures 1 to 5 )]

[0032] refer to figure 1 and 2 , the surface treatment device 10 is used to treat the engine cylinder block at high speed by forcibly guiding and flowing the treatment solution (pre-plating solution or plating solution) to the cylinder inner peripheral surface 106 and energizing the cylinder electrode 12 and the cylinder block 100 The inner peripheral surface 106 of the cylinder 100 is pre-plated or plated. The surface treatment device 10 includes: an electrode unit 13 equipped with a cylindrical electrode 12 and a first sealing member 11; a working installation base or a stand including a positioning pin 14, a connector pin 15 as a connecting member, and a second sealing member 16 17; workpiece holding jig or fixture 18; closing unit 20 equipped with third sealing member 19; treatment liquid supply unit 28; power supply unit 29; and hot air blower 30 as a hot air generating unit.

[0033] and image 3 The illustrated cy...

no. 2 example

[0079] [The second embodiment ( Figure 6 )]

[0080] Figure 6 A second embodiment of a surface treatment device according to the invention is shown. In the second embodiment, the same parts as those of the first embodiment are denoted by the same reference numerals and descriptions thereof are simplified or omitted here.

[0081] The electroplating apparatus 50 according to the second embodiment is different from the surface treatment apparatus 10 according to the first embodiment in that the hot air blowing ports of the hot air blower 30 are provided at a plurality of positions, for example, around the On the two positions of the cylinder block 100 of the electroplating device 50 facing each other, the hot air is simultaneously blown onto the cylinder block 100 from the hot air blowing port.

[0082] According to this second embodiment, the advantages (1) and (2) of the first embodiment and the following advantage (3) can be obtained.

[0083] (3) The hot air blowing po...

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Abstract

In a method of pre-plating inner peripheral surface of the cylinder to be processed by using a surface processing device provided with electrodes, the electrode is located to face to the surface to be processed; the treatment fluid is led between the electrode and the inner peripheral surface of the cylinder to be processed so that the electrode and the surface of the object to be processed are conducted; in the process of pre-plating, the hot air is blown to the object to be processed to the external part, and the inner peripheral surface of the cylinder to be processed is heated to the reaction temperature for pre-plating.

Description

technical field [0001] The invention relates to a method for pre-plating the inner peripheral surface of the cylinder of an air-cooled engine with cooling fins, for example, pre-plating the inner peripheral surface of the engine cylinder block before the electroplating process, and also relates to a A surface treatment device that performs the pre-plating method. Background technique [0002] Conventionally, Japanese Patent Application Laid-Open No. 9-3687 (Patent Publication 1) discloses a method of heating a cylinder block in the process of pre-plating the cylinder inner peripheral surface of the cylinder block. In this heating method, the treatment liquid stored in the cylinder bore of the cylinder block is heated by a heater provided in the cylinder bore. [0003] However, in the anodic electrolytic etching process as pre-plating processing of the inner peripheral surface of the cylinder bore of the cylinder block combined with the cylinder head, electrodes are provided...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C25D5/08C25D17/00C25F3/02C25F7/00
Inventor 麻生智广国冈诚也村松仁铃木伸行石桥亮河合真
Owner SUZUKI MOTOR CORP
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