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Air Blow Gun: Press-Button Valve and Conical Air Shield
Harry Yates's air gun (US 2,604,361, 1952) for blowing chips off lathes and drills. A press-button valve is held shut by the line pressure itself; pressed, it lets air into a ribbed nozzle that splits it into a central jet and a cone of air from a ring slot, which keeps flying chips away from the worker's eyes. The rubber valve face comes out by unscrewing one cap.
The patent gives no materials (except the rubber face), threads or sizes; the machine tools named are ours. The picture: the patent's drawing.
Abantado
1 day
Mga Tagubilin
1
1
Bore the body
Bore the body
Bore the body's vertical opening: stem bearing (13), wider air passage (14), wider chamber (15) threaded at the bottom (16), with a valve seat rib (17) undercut round its edge. Ours: lathe and boring bar, tap for the thread.
Mga materyales para sa hakbang na ito:
Katawan ng air blow gun1 pirasoMga kailangang kasangkapan:
Torno para sa Metal
Baras sa panloob na paggupit
Set sa paggawa ng sinulid ng turnilyo2
2
Bore the hose pocket so it breaks into the chamber
Bore the hose pocket so it breaks into the chamber
Bore and thread the hose pocket (19) so its edge cuts into the chamber, opening the port (20) and leaving a centre projection (21): an overhang that turns incoming air down into the chamber, away from the seat.
Mga kailangang kasangkapan:
Torno para sa MetalBaras sa panloob na paggupitSet sa paggawa ng sinulid ng turnilyo3
3
Bore the barrel
Bore the barrel
Bore the front barrel (11) to a cylindrical pocket (22) joined to the air passage by a tapered passage (23). Bevel the barrel's front end (44).
Mga kailangang kasangkapan:
Torno para sa MetalBaras sa panloob na paggupit4
4
Fit stem and press-button
Fit stem and press-button
Pass the valve stem (24) up through the body and press its stud (25) into the socket (27) of the press-button (28). The button slides in the bearing; the stem's flange (26) stops it coming out upward, the button head downward. Ours: arbor press.
Mga materyales para sa hakbang na ito:
Tangkay ng balbula1 piraso
Pindutan ng balbula1 pirasoMga kailangang kasangkapan:
Prensang may palanke5
5
Make the valve closure
Make the valve closure
Set the rubber valve face (36) in the recess (35) on top of the closure member (30) and press a flanged tubular eyelet (37) into its centre hole (38) to hold it.
Mga materyales para sa hakbang na ito:
Pansara ng balbula1 piraso
Gomang mukha ng balbula1 piraso
Eyelet1 pirasoMga kailangang kasangkapan:
Prensang may palanke6
6
Close the chamber
Close the chamber
Slide the closure's stud (31) into the pocket (32) of the closure cap (33) and screw the cap into the chamber, a gasket (34) under its flange. The stem's pin (29) rests on the closure. Ours: flat screwdriver in the cap's slot.
Mga materyales para sa hakbang na ito:
Takip na pansara1 piraso
Gasket na pansara1 pirasoMga kailangang kasangkapan:
Distornilyador na patag7
7
Press in the nozzle
Press in the nozzle
Force the nozzle's ribs (41) into the barrel pocket (22) until its inner end stops on the tapered passage (23). That stop fixes the ring slot (45) between the nozzle's cone shoulder (42) and the barrel bevel (44).
Mga materyales para sa hakbang na ito:
Nozzle ng hangin1 pirasoMga kailangang kasangkapan:
Prensang may palanke8
8
Screw on the tip and the hose nipple
Screw on the tip and the hose nipple
Screw the tip (49) into the nozzle's threaded pocket (48); its bore (50) is wider than the jet hole (47) so it does not touch the jet, and it can clamp an extension tube. Screw a hose nipple into the hose pocket (19).
Mga materyales para sa hakbang na ito:
Dulo ng nozzle1 piraso
Sinulid na nipple ng hose1 pirasoMga kailangang kasangkapan:
Llaveng ingles9
9
Try the jet and the shield
Try the jet and the shield
Ours: connect an air hose from a compressor. The line pressure alone holds the valve shut. Press the button: a central jet leaves the jet hole, and a cone of air from the ring slot surrounds it.
Mga kailangang kasangkapan:
Kompresor ng hangin
Air hoseMga Materyales
11- 1 pirasoPlaceholder
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Mga Kinakailangang Kasangkapan
8- Placeholder
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- 1 vendor sell this, none ship to you yetPlaceholder
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