EXAIR’s CE Compliant Cold Gun

In addition to producing a cold, quiet stream of air to reduce heat buildup on machining operations, EXAIR's Cold Gun Aircoolant System™ has also met the rigorous safety, health, and environmental standards of the European Union in order to attain the CE mark.

In addition to producing a cold, quiet stream of air to reduce heat buildup on machining operations, EXAIR's Cold Gun Aircoolant System™ has also met the rigorous safety, health, and environmental standards of the European Union in order to attain the CE mark.

The Cold Gun is a low cost alternative to expensive mist systems. It eliminates the ongoing costs associated with the purchase, filtration and disposal of liquid coolants. In addition, there are no worker related health problems resulting from breathing airborne coolants or slipping on wet shop floors.
The Cold Gun Aircoolant System incorporates a stainless steel vortex tube to convert an ordinary supply of compressed air into a cold 54°F (30°C) air stream at one end and a hot exhaust at the other. There are no moving parts to wear out. The Cold Gun now features an improved muffler on the hot air exhaust to reduce the noise level to a quiet 70 dBA. A flexible ball and socket hose that holds its position is used to direct the cold air to the point of use. A magnetic base provides easy mounting and portability.
The Cold Gun Aircoolant System is non-adjustable to prevent freeze-up during continuous use. It is ideal for machining applications which include tool sharpening, drill and cutter grinding, milling, drilling, surface grinding, band sawing, plastic machining, plunge and form grinding. https://exair.co/184-cgdir

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T.J. Davies' Retention Knobs

T.J. Davies' Retention Knobs

Our retention knobs are manufactured above international standards or to machine builder specifications. Retention knobs are manufactured utilizing AMS-6274/AISI-8620 alloy steel drawn in the United States. Threads are single-pointed on our lathes while manufacturing all other retention knob features to ensure high concentricity. Our process ensures that our threads are balanced (lead in/lead out at 180 degrees.) Each retention knob is carburized (hardened) to 58-62HRC, and case depth is .020-.030. Core hardness 40HRC. Each retention knob is coated utilizing a hot black oxide coating to military specifications. Our retention knobs are 100% covered in black oxide to prevent rust. All retention knob surfaces (not just mating surfaces) have a precision finish of 32 RMA micro or better: ISO grade 6N. Each retention knob is magnetic particle tested and tested at 2.5 times the pulling force of the drawbar. Certifications are maintained for each step in the manufacturing process for traceability.