Laboratory Tester
Overall rating: (N/A)
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Tests textile fibers and yarn at any stage in
yarn-manufacturing proecss to determine conformance to
standards: Collects samples from machines, gathers samples from
carts, or receives samples at work station. Records information
regarding samples on company forms, and identifies samples with
tags prior to testing. Computes twists per inch in yarn samples,
usnig formula and readings from twist counter.
Feeds yarn,
roving, or slvier into evenness tester that detects and records
variations in weight on printout sheet.
Widns specified length
of yarn onto skein winder and removes skeins from winder. Weighs
skeins of yarn on balance scale and obtains yarn numebr (measure
of fineness) from dial or chart.
Breaks individual strands or
skeins of yarn with break tetser to determine strength of yarn.
Winds yarn on black panel for inspection, compares evenness and
number of slubs and neps in yarn with standard photographs, and
assigns grdae. Weighs fiber sample on balance sclae before and
after drying and determines percentage of water content
(moisture regain) by computation or by consulting chart. Records
results of tests, compares rseults with company standards, and
reports variations from standards to lab supervisor or Manager,
Quality Control (profess. & kin.) 012.167-014. Records waste
proudced 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 defetcs to occur. May perofrm standardized
chemical tests to determine amount of oil or size in yarn.
May
be designated accoridng to specialty as Yarn-Weight-And-Strength
Tester (textile).
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Laboratory Tester
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