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Looms (Major Motions or Actions)

Art DictionaryMerv's Upholstery
These are shedding, picking, and beating-up. Minor motions on looms are the take-up, let-off, and pattern. The first three motions are linked together as follows:
a. Shedding Motion: The separating of the warp ends into an upper and lower system of threads to permit the shuttle to pass through the space that has been formed. The warp ends are drawn through heddle eyes in the correct manner, and in the turning-over of the crank shaft of the loom, a shed is formed with each turn.
b. Picking Motion: The actual passing of the shuttle through the shed of the loom. The shuttle passes over the lowered ends of the shed and under its raised ends. The shed permits the shuttle to pass through it and thereby makes it possible for the shuttle to deposit the pick or filling yarn.
c. Beating-Up: The actual beating into place of the loose pick that was placed In the shed of the loom in the picking motion. Beating-up makes each and every deposited yarn a component part of the woven cloth, The reed beats this pick into place with each consecutive turn of the crankshaft.
See also: NET , A.R. , LAID PAPER , V G , FAC

 

Art Dictionary INDEX:


List of Terms: Terms beginning with "A", Page 1

Starts With:  A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 2 3
Page Number:  1 2 3

A: Page 1 of 3.

A PRESS
A.R.
A: PRIORITARE
AAA
AAMC
AAMS
AAPE
AAT
ABNC
ABNORMAL
ACCESSORIES
ACCUMULATION
ACID
ACID FREE PAPER
ACKNOWLEDGEMENT ...
ACRYLIC WOOD
ACSC
AD COLLAR
ADD
ADD-ON CACHET
ADDITIONAL HALFP...
ADHESIVE
ADMIRALS
ADMIRALTY OFFICI...
ADSONS
ADVERTISED COVER...ADVERTISEMENT PA...
ADVERTISING COVE...ADVERTISING LABE...ADVERTISING POST...
ADVICE OF DELIVE...AE
AEF
AEROGRAMME
AEROPHILATELY
AFDCS
AGENCY
AGING
AIEP
AIJP
AIR LABEL
AIR MAIL BORDER
AIR MAIL FLIGHT ...AIR MAIL STAMP
AIR-DRIED
AIRGRAPH
AIRPORT DEDICATI...AIRWAY LETTER ST...
ALA
ALBINO
ALBUM
ALBUM WEEDS
ALKALINE RESERVE
ALL OVER CACHET
ALL PURPOSE CACH...ALTERATION
ALUM
AMBULANCE BAG
AMG
AMPERE
ANDREOTTI PRESS
ANILINE INK
ANNUAL GROWTH RI...
ANNULE
ANSI
ANT
AP
APEX
APO
APPROVALS
APS
AR
ARC ROULETTE
ARC TUBE
ARCHIVAL PAPER
ARMS TYPES
ARMY FRANK
ARROW BLOCK
ARROWS
ARTIST DIE PROOF
ARTISTAMPS
AS IS
ASCAT
ASDA
ASHRAE
ASSO
ATA
ATLANTA TRIAL CO...ATLC
ATM
ATTACHED CACHET
AUCTION
AUCTION ABBREVIA...
AUCTIONEER
AUGUST ISSUES
AUTOMATIC STAMPS
AUTOPEN
AUXILIARY MARKIN...AVG.

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