Video Gallery

How its made Trombone

Go to Video Gallery Added Mar 07, 2017 •

Copy this URL:
Embed code:	<iframe class="edlio-embed-player" type="text/html" width="640" height="360" src="//cge.rcschools.net/apps/embed/?v=139885" frameborder="0" allowfullscreen></iframe> Change dimensions

Go HD

The making of a trombone from metal pieces.

Show Transcript

trombone isn't really much different from this medieval predecessor known as the sack but with its distinctive SJ hand slide and Bell section it's a in the past and a pretty loud one but it can also sound smooth and mellow the literally slides down to the low notes it's the only instrument with a hand slide to lengthen it in order to change pitch to make a trombone she pressed in the pattern of a bell stem they shape it by wrapping it around a steel rod  using a nylon headed Mallet the worker hammers the Master shape it further it takes just a few minutes for him to hammer out a rough Bell stem form  is Fred's open the stem slightly so we can small notches on one edge with snippers then with a brass headed Hammer he Taps Down The Notches so they hold the edges together what's an acetylene torch he joins the notch scene melting in a brass alloy wire two bonded securely potassium overlaps and it's too thick so he runs it through a seam roller two tons of pressure thins it but now the Bell stem is too flat surrounded out he shoves it onto a bell-shaped rod and hammers it back into shape  then he irons out the hammer bar with rollers  the best fitting Loosely on a steel mandrel goes through a draw batch a hydraulic cylinder pushes it through a sled washer pressing a tightly Around The Mandrell to its shape  to make the Belle flare to attach to the stem he puts her breasts going to spinning leis using pliers he turns the edges of the disc to prevent it from flapping while spinning  with a lever he scissors fitting tool pressing it against the Turning brass disc this shapes the disc into a flare making a trombone player is a delicate business and is the work of a skilled Craftsmen getting it right is critical because the shape love the tone of the trombone next with a torch he praises the flare to the Bell stem the Bell stem and flare now turn on a mandrel while he presses against the same with a wooden tool this flattens she even gives the Bell its final shape  now it's time to make the tubing hydraulic cylinder pulls it on a mandrel through a die stretching it considerably and this way both the diameter and thickness of the tubing are precisely control then they become ice tubes after they're filled with water and put in the freezer  the ice will keep the thin tubing from buckling in the next process what's a lever he bends the two Verrado u-shaped block has he works it into a u shape the tubing hardens  daftar ice melts he places the u-bend in a bowling Alta  he lubricates the tubing with oil and places to steal ball the top of the tube pushes it down he drops in smaller balls and they pushed the first larger ball through the YouTube  this stretches the inside of the tube rounding it to the diameter and then the balls exit at the other end  now he pieces the tubes together and shot herself the same way of plumber joints 4 tubing  Piazza Loop for the valve section in total a brass trombone has 9 feet of tubing straighten that's enough to reach from the floor to the ceiling but of course trombone Bakers are more interested in musical highs and lows finally he's a brace into placed at structural strength to one of the loops a diamond tip tool in Graves the company logo onto the trombone spell stem out of cloth buffing wheel spins against the trombone flare to polish it this custom trombone has been built in approximately 50 hours something worth blowing a horn about

Uploaded by Tyson Hoppe.

Video Gallery

How its made Trombone

Popular Videos