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Home>Products:Pinhole Inlay
Metal melting/filing machine
Pinhole Inlay

Fill and repair pinholes and scratches!!

Technological improvements in the metals industry have been remarkable in recent years.  However, one of the problems that have yet to be solved is how to deal with pinholes in equipment. 

The Pinhole Inlay is a revolutionary metal melting and filling machine that enables quick and easy repair of surface pinholes and scratches of iron, steel, cast steel, cast iron, stainless steel, nickel, industrial chromium plating, etc. (excludes nonferrous metals such as copper, bronze and aluminum ) in just several seconds.

The process is simple.  Place the filler, Staelet, in the defect, then by applying high-density instant current to the area, the defect is completely melted and filled. 

Process to Fix
See movie
Hole or scratch on surface   Clean and enlarge the cavity by using a center punch.    
   
Place Starlet (pellet) in the cavity and melt it to fill the surface flaw.   Polish with grinder   Repair is complete 
Features
  • Saves resources and capital by preventing the reoccurrence of defective parts. 
  • Saves labor because metal filling and welding is done quickly and easily.
  • Is done with a simple procedure that does not require any special technique or certification.  
  • No remaining defects or distortions that are common with welding. 
  • After polishing, it is difficult to even tell that the part was repaired. 
  • Part is completely repaired after machining and polishing.  
Uses
  • Materials manufacturing such as iron/steel, steel casing, iron casting, and other specialized operations. 
  • Surface treatment operations such as chrome plating, welding, thermal spraying, grinding, etc.  
  • Manufacturing industries such as engineering, printing, construction, automotive equipment, tooling and dies.  
Equipment Specifications Weld strength
No. of phases
Frequency
Input
Output
Output adjustment
Time adjustment
Weight
Dimensions
Single
50/60Hz
200V,  60A or more 
3.5-7.0V/1,800-4,000A
5 variable levels
0.5-5 sec/Flexible
55kg
300Wx400Lx480Hmm
Weld strength

Base material
590MPa

530MPa 
Depends on special tensile strength testing.
Filler material (Starlet)
Brand name
(material)
Carbon pellets
(JIS-SWCH10R)
Chrome pellets
(JIS-SUJ2)
Stainless pellets
(JIS-SUS304)
Stainless pellets
(JIS-SUS316)
Naming/dimension
 (mm)
C-4.0
C-3.2
C-2.4
C-1.6
Cr-3.0
Cr-2.0
S-3.0
S-2.0


SM-3.2
SM-2.4


Gun tip
Standard S-type
Inner facing L-type
Example of condition in need of repair

A.  Defect. Size from 2-3mm. 

B: Area melted and filled with Pinhole Inlay. 

C:  Polished area. Difficult to see with the

naked eye any defect after repair. 

After repair (welded region)
As can be see in the photo to the left (A.Filling Material), the weld is crystallized completely (C) to the base material (B) for strong adhesion.
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