Precision Photochemical
Machining Since 1965
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Photo Etched Mechanical Devices

Chemical Etching for Precision Metal Parts

 

  • Wide variety of alloys
  • Forming, heat treating, plating and other finishing services available
Photochemical machining is exceptionally well suited to producing mechanical components such as shims, spacers, gaskets, pointers, dials, clips, diaphragms, springs, pressure membranes, flexures and many other applications.

Metal parts with complex geometries (odd shapes, lots of holes, etc) are often far more cost effective to produce by photo etching than by stamping, punching; laser, plasma or waterjet cutting; or wire EDM.

Phototools typically cost less than $300 and take less than 2 days to produce compared to thousands or tens of thousands of dollars and weeks to months for stamping dies.

In photochemical etching, the part "emerges" from the metal all at once as the etching solution simultaneously processes through all unmasked areas of the plate.  CNC punching, laser and EDM affect only a small localized area at a time and the more complex the part, the more time it takes.

From the simplest geometries to the most complex, metal etching is a very cost effective solution for precision metal parts.

In photo etching, dimensional tolerances can be held as close as +/- 15% of the material thickness.  Locational tolerances are to drawing nominals because there is no tool wear and the phototool is created directly from CAD data.

Conard produces photoetched metal parts up to 24" x 60" in size.

CPU shim in etched stainless steel

 
stainless steel gasket made by PCM

 

Examples of precision shims for CPU applications

etched stainless flexures tabbed in an array
Miniature flexures, tabbed for automated assembly
etched steel pressure membranes with half etch burst seam
Etched to precise depth, rupture discs
protect pressurized equipment
etched and formed steel linkage
Linkage
etched stainless strap
Adjustable stainless steel strap
photo etched shaft locking washers
Stainless steel shaft locking washers
etched stainless flange gasket
Stainless steel flange gasket
etched and formed actuators
 
microswitch actuators made by PCM
 
Etched and formed micro switch actuator springs
 
alignment template
CNC Machine Tool Alignment Template
etched miniature encoders
Stainless Steel Encoders 1/10 of an inch in diameter

etched encoder disks
Encoder discs of Aluminum, Brass, Phosphor Bronze and Beryllium Copper

etched stainless toner cartridge element

etched screen

Laser Printer Toner Cartridge Components

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