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웨어러블
Continuous Glass Fibre Strand Drawn from a Platinum Bushing
Glass fibre for cloth is not spun like wool: hundreds of fine filaments are pulled at once from small nozzles in a hot platinum box and wound up as one strand. This is the method of Slayter and Thomas's Owens-Corning patent (US 2,234,986, 1941): an electrically heated platinum-rhodium thimble melts glass cullet, a blower freezes each filament just below its nozzle, a size is put on, and a drum pulls and winds the strand. The faster the drum, the finer the fibre.
The picture: a glass fibre roving (NoiseD, Wikimedia Commons, CC BY-SA 3.0).
고급
1 day
안내
1
1
Charge the bushing with cullet
Charge the bushing with cullet
Fill the platinum-rhodium thimble (90 % platinum, 10 % rhodium) with broken soda-lime glass. Its floor has rows of staggered nipples .02–.08 in (0.5–2 mm) wide; .04 in (1 mm) is best.
이 단계의 재료:
소다석회 유리 파유리1 as required필요한 도구:
백금-로듐 방사 부싱
내열 장갑
보안경2
2
Melt it with an electric current
Melt it with an electric current
Pass an adjustable current through the thimble to melt the glass. Ordinary lime glass is pulled from about 2,100–2,500 °F (about 1,150–1,370 °C).
필요한 도구:
백금-로듐 방사 부싱
강압 변압기
고온계내열 장갑3
3
Start the cooling blower
Start the cooling blower
Blow cool air across the nipple tips from a blower a short distance below them. Each filament sets within a small fraction of an inch of its nipple.
필요한 도구:
송풍기4
4
Gather the filaments through a sized guide
Gather the filaments through a sized guide
Draw all the filaments together through one guide eye kept wet with size. Here the size is wax, kept molten with a burner; the patent also names oil, starch, gum and resin. An air jet dries off the excess size.
이 단계의 재료:
파라핀 왁스1 as required필요한 도구:
분젠 버너송풍기5
5
Pull and wind on a drum
Pull and wind on a drum
Wind the strand on a fast drum that moves back and forth so it lays evenly. Draw at a few hundred to a few thousand feet per minute: the faster you draw, the finer the fibre.
필요한 도구:
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