(0)B23H:0/0:
IPC6
SECTION B - PERFORMING OPERATIONS; TRANSPORTING
WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF...
B23H
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B 23 H

 WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL (processes for the electrolytic or electrophoretic production of coatings, electroforming, or apparatus therefor C 25 D; processes for the electrolytic removal of material from objects C 25 F; manufacturing printed circuits using precipitation techniques to apply the conductive material to form the desired conductive pattern H 05 K 3/18 ) [4]
 

Note
 

This subclass covers the working of metal described as "electroerosion". [4]

 

 

 
 

 1
/ 00 Electrical discharge machining, i.e. removing metal with a series of rapidly recurring electrical discharges between an electrode and a workpiece in the presence of a fluid dielectric [4]

1
/ 02 • Electric circuits specially adapted therefor, e.g. power supply, control, preventing short circuits or other abnormal discharges [4]  

1
/ 04 • Electrodes specially adapted therefor or their manufacture (B 23 H 9/00 takes precedence) [4]  

1
/ 06 • • Electrode material [4]  

1
/ 08 • Working media [4]  

1
/ 10 • Supply or regeneration of working media [4]  
 

 3
/ 00 Electrochemical machining, i.e. removing metal by passing current between an electrode and a workpiece in the presence of an electrolyte [4]

3
/ 02 • Electric circuits specially adapted therefor, e.g. power supply, control, preventing short circuits [4]  

3
/ 04 • Electrodes specially adapted therefor or their manufacture (B 23 H 9/00 takes precedence) [4]  

3
/ 06 • • Electrode material [4]  

3
/ 08 • Working media [4]  

3
/ 10 • Supply or regeneration of working media [4]  
 

 5
/ 00 Combined machining [4]

5
/ 02 • Electrical discharge machining combined with electrochemical machining [4]  

5
/ 04 • Electrical discharge machining combined with mechanical working [4]  

5
/ 06 • Electrochemical machining combined with mechanical working, e.g. grinding or honing [4]  

5
/ 08 • • Electrolytic grinding [4]  

5
/ 10 • Electrodes specially adapted therefor or their manufacture (B 23 H 1/04, B 23 H 3/04 take precedence) [4]  

5
/ 12 • Working media [4]  

5
/ 14 • Supply or regeneration of working media [4]  
 

 7
/ 00 Processes or apparatus applicable to both electrical discharge machining and electrochemical machining [4]

7
/ 02 • Wire-cutting [4]  

7
/ 04 • • Apparatus for supplying current to working gap; Electric circuits specially adapted therefor [4]  

7
/ 06 • • Control of the travel curve of the relative movement between electrode and workpiece [4]  

7
/ 08 • • Wire electrodes [4]  

7
/ 10 • • • Supporting, winding or electrical connection of wire-electrode [4]  

7
/ 12 • Rotating-disc electrodes [4]  

7
/ 14 • Electric circuits specially adapted therefor, e.g. power supply [4]  

7
/ 16 • • for preventing short circuits or other abnormal discharges [4]  

7
/ 18 • • for maintaining or controlling the desired spacing between electrode and workpiece [4]  

7
/ 20 • • for programme-control, e.g. adaptive (programme-control systems in general G 05 B 19/00) [4]  

7
/ 22 • Electrodes specially adapted therefor or their manufacture (B 23 H 7/08, B 23 H 7/12, B 23 H 9/00 take precedence) [4]  

7
/ 24 • • Electrode material [4]  

7
/ 26 • Apparatus for moving or positioning electrode relatively to workpiece; Mounting of electrode [4]  

7
/ 28 • • Moving electrode in a plane normal to the feed direction, e.g. orbiting [4]  

7
/ 30 • • Moving electrode in the feed direction (B 23 H 7/32 takes precedence) [4]  

7
/ 32 • • Maintaining desired spacing between electrode and workpiece [4]  

7
/ 34 • Working media [4]  

7
/ 36 • Supply or regeneration of working media [4]  

7
/ 38 • Influencing metal working by using specially adapted means not directly involved in the removal of metal, e.g. ultrasonic waves, magnetic fields or laser irradiation [4]  
 

 9
/ 00 Machining specially adapted for treating particular metal objects or for obtaining special effects or results on metal objects (heat treatment by cathodic discharge C 21 D 1/38) [4]

9
/ 02 • Trimming or deburring [4]  

9
/ 04 • Treating surfaces of rolls [4]  

9
/ 06 • Marking or engraving [4]  

9
/ 08 • Sharpening [4]  

9
/ 10 • Working turbine blades or nozzles [4]  

9
/ 12 • Forming parts of complementary shape, e.g. punch-and-die [4]  

9
/ 14 • Making holes [4]  

9
/ 16 • • using an electrolytic jet [4]  

9
/ 18 • Producing external conical surfaces or spikes (B 23 H 9/08 takes precedence) [4]  
 

 11
/ 00 Auxiliary apparatus or details, not otherwise provided for [4]