| Job Title |
Piston Maker |
| Job Description |
Finishes Brasswind Instrument Pistons And Assembles Piston
Parts, Using Handtools: Inserts Crooks (curved Tubes) Through
Precut Holes In Piston Blank And Cuts Them To Length, Using
Sheet Metal Snippers Or Table Saw. Places Piston Blank Over
Mandrel Or Die And Pushes Steel Balls Or Works Ball-ended
Handtool Through Crooks To Expand Crooks To Limits Of Holes Into
Which They Are Inserted. Presses In Piston Bottom And Head,
Using Small Hand Press. Solders Bottom Plate Onto Piston, And
Removes Excess Solder, Using Scraping Tool. Rough Trims Crooks,
After Soldering, Using Table Saw. Operates Turning Lathe To Face
And Bevel Piston Ends, And To Shape And Smooth External Surface
Of Piston. Operates Drill Press To Tap Threads Into Piston.
Solders Crooks To Piston Blank, Using Silver Solder And Gas
Torch. Grinds Piston To Final Size, Using Special Piston Grinder
And Gauge. Inspects Finished Pistons For Defects, Such As Holes
And Dents.
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