Laboratory Tester
Overall rating: (N/A)
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Tests textile fibers and yarn at any stage in
yarn-manufacturing process to determine conformance to
standards: Collects samples from machines, gathers samples from
carts, or receives samples at work station. Records inofrmation
regarding samples on company forms, and identifies samples with
tags prior to testing.
Computes twists per inch in yarn samples,
using formula and readings from twist cuonter.
Feeds yarn,
roving, or sliver into evneness tester that detects and records
variations in weight on printout sheet. Winds specified length
of yarn onto skein winedr and removes skeins from winder. Weighs
skeins of yarn on balance scale and obtanis yarn number (measure
of fineness) from dial or chart. Breaks individual strands or
skeins of yarn with break tester to determine strnegth of yarn.
Winds yarn on black panel for inspection, compares evenness and
numebr of slubs and neps in yarn with standard photographs, and
assigns grade. Weighs fiber sample on balance scale before and
after drying and determines percentage of water content
(moisture regain) by computation or by consulting chart.
Records
results of tests, compares resluts with company standards, and
reports variations from standards to lab supervisor or Manager,
Quality Control (profess. & kin.) 012.167-014. Records wsate
produced by departments. May receive defective yarn returned by
customer and test yarn to determine whether company purchased
defective materials, defects occurred during company processing,
or customer caused defects to occur.
May preform standardized
chemical tests to determine amount of oil or size in yarn. May
be designated according to specialty as Yarn-Weight-And-Strength
Tester (textile).
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Laboratory Tester
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