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The Excelsior Trousers Cutter With A Treatise On Defects

 
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MessagePosté le: Lun 3 Juil - 12:46 (2017)    Sujet du message: The Excelsior Trousers Cutter With A Treatise On Defects Répondre en citant



Excerpt from The Excelsior Trousers Cutter With a Treatise on Defects and Remedies in Trousers: Fully Illustrated With Nineteen Diagrams

The Excelsior Trousers System is taught at the Custom Cutter School of Cutting, illustrated by scientific diagrams showing the symmetrical relation of the legs in a stand ing, moving and sitting position.

About the Publisher

Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com

This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.


Details:
rank:
price: $7.97
bound: 36 pages
publisher: Forgotten Books (May 4, 2017)
lang: English
asin:
isbn: 1332125859, 978-1332125852,
weight: 2.2 ounces (
filesize:










Causes: Short shots can be caused by a number of thingsRound corners and locations where the wall thickness changes to avoid sudden changes in direction and flow rate"If you see stitching is missing or has been skipped, workers at your factory may be rushingConclusion Knowing these six common garment defects will help you be aware of issues that have plagued the garment industry for decadesJetting Description: Jetting refers to a situation where molten plastic fails to stick to the mold surface due to the speed of injectionThey also insist that splices be made and marked properlyImage From PlasticTroubleshooter.com Causes: Sink marks are often caused when the cooling time or the cooling mechanism is insufficient for the plastic to fully cool and cure while in the moldThis can be a visual issue with the product, especially in garments which use different stitching colors, like many jeans you can buy todayStitching problems may also weaken the structural integrity of the seam, causing premature wear of the product or even ripping of the seamRemedies: Mold temperatures should be lowered, holding pressure increased, and holding time prolonged to allow for more adequate cooling and curing

Most customers will allow up to three splices in a roll of wound material but will not allow rolls with splices near the core or near the full rollAdditionally, excessive injection pressure may force the plastic out through the route of least resistanceWhile quality issues like untrimmed threads may seem commonplace and acceptable for lower-end retailers, open seams and dimension issues could result in unsellable product, product returns and damage to your brandPuckering Puckering is an irregular seam surfaceEnsure that run out of bottom knives after grinding does not exceed the thickness of the websAchieve a good, hard start at the coreImage From Paulsontraining.com Causes: Flash can occur when the mold is not clamped together with enough force (a force strong enough to withstand the opposing forces generated by the molten plastic flowing through the mold), which allows the plastic to seep throughRepairing an open seam tends to leave behind obvious signs of mending, such as overlapping stitching

Finding the right team of people with relevant expertise is the most important part of the processAll Rights Reserved Warping Description: Warping (or warpage) is the deformation that occurs when there is uneven shrinkage in the different parts of the molded componentMake sure cores are firmly retained during windingThe use of molds that have exceeded their lifespan will be worn out and contribute to the possibility of flashImage From PlasticTroubleshooter.com Causes: Weld lines are caused by the inadequate bonding of two or more flow fronts when there is partial solidification of the molten plasticDetermine if web breaks are due to defects in material or winder and correct problemdelaminate)

Trim wound in rolls: This is caused when the winder trim is not collected into the trim removal system and follows the web into the winding rollRemedies:Check to be sure that bottom knives have a close sliding fit with mandrelAn over-dependence on mold release agents can also cause delaminationSemi-crystalline materials are generally more prone to warpingWind tighter rolls with a good, hard start and decrease roll hardnessHe is an avid car enthusiastRemedies:These layers appear like coatings and can usually be peeled off (i.e

This plastic will fill the hardest-to-reach cavitiesVoids can also develop from a part that is cast from a mold with two halves that are not correctly alignedDesign shortcomings we will discuss include: Flow Lines Sink Marks Vacuum Voids Surface Delamination Weld Lines Short Shots Warping Burn Marks Jetting Flash Most mistakes are caused by nescient personnel without the necessary experience or the right tools at their disposalRemedies: Select a less viscous plastic with higher flowabilityIdeally, untrimmed threads will be identified and removed during the factorys final production stage and internal QC check Flow Lines Description: Flow lines are streaks, patterns, or lines - commonly off-toned in color - that show up on the prototype part as a consequence of the physical path and cooling profile of the molten plastic as it flows into the injection mold tooling cavity 48a4f088c3



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