Fridge compressor housing - silent air & vacuum source
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Turning old fridge compressor into silent workshop air/vacuum source
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This is my design of 3d printed housing for old fridge compressor - it has integrated pressure regulator, manometer, safety valve, cooling fan and air filter. I checked on several compressor models with the same mounting hole spacing (170 x 70) and they also fit, so you can say that the housing is quite universal.
Due to the components used, the maximum output pressure is ~10 bar. As you may know, fridge compressors have a problem with oily air at the output. After testing, I can say that the air filter removes most of the oil, but for more demanding purposes, additional filtration is still necessary.
Video:
My print parameters:
Infill: 35%
Layer: 0.2
Shells: 2
All required supports are shown in the photos
Parts used:
Fridge compressor - embraco EMU26CLC
Air filter with manometer and pressure regulator:
https://s.click.aliexpress.com/e/_DDlbluT
Safety valve (10bar)
https://s.click.aliexpress.com/e/_DCLC0f9
Pneumatic tube(6mm)
https://s.click.aliexpress.com/e/_DlXizsL
Pneumatic connectors:
https://s.click.aliexpress.com/e/_DldWKqj
Cooling fan 12V 80x80x10
https://s.click.aliexpress.com/e/_DkyC3YT
Power supply for cooling fan - LED driver AC-12-12 12V 1A
AC socket:
https://s.click.aliexpress.com/e/_DDgavnD
Rocker switch - high current & 230V AC capable, dimensions 12.2 x 18.7