Vajad kellegagi rääkida?
Küsi julgelt abi LasteAbi
Logi sisse
Sulge

"esuusad" - 2 õppematerjali

Plakat mäesuuskadest
1
ppt

Plakat mäesuuskadest

Making mountain skis · Although Estonia is geographically not best suited for mountain skiing, · The most common materials for the outer part of the skis are it is still quite popular. The largest market is perhaps in the United States, but also in mountainous parts of Europe. fiberglass, carbon fibers, or a type of epoxy. Polyethylene is the most · Throughout history, alpine skis have been made out of light wood, popular material used in the bottom part of modern skis. One of the usually hickory or ash, steel edges were introduced on the bottom for drawbacks of the polyethylene base is its softness, and with time the ski can smoother glide, but the depletion of inexpensive wood meant a need for become scratched by small stones and ice...

Materjaliteadus → Tehnomaterjalid
49 allalaadimist
Presentatsioon mäesuuskadest
8
ppt

Presentatsioon mäesuuskadest

Making mountain skis · History · Different types · Most common materials · The Manufacturing Process Different types · Laminated ­ most common · Torsionbox ­ more expensive · Singleshell lightest History · Light wood, usually hickory or ash · Depletion of inexpensive wood · Metal skis became common in the mid1950s · Aluminum bottom tends to freeze · Modern solutions Most common materials · Outer part of the skis fiberglass, carbon fibers, epoxy · Polyethylene in the bottom part · Coat of wax for maintaining polyethylene · Edges ­ steel, usally hard tempered The Manufacturing Process · Milling the core - the material is put through a mill for precise cutting and finishing · Assembling the layers - the core and layers, are placed into a mold and then into a press. Heat and pressure result in a...

Keeled → Akadeemiline inglise keel
54 allalaadimist


Sellel veebilehel kasutatakse küpsiseid. Kasutamist jätkates nõustute küpsiste ja veebilehe üldtingimustega Nõustun