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Tuesday, July 28, 2020 | History

2 edition of investigation of needle heating and associated problems in machine sewing found in the catalog.

investigation of needle heating and associated problems in machine sewing

F. N. Hurt

investigation of needle heating and associated problems in machine sewing

by F. N. Hurt

  • 98 Want to read
  • 9 Currently reading

Published by HATRA in Nottingham .
Written in English


Edition Notes

StatementF.N. Hurt and D.J. Tyler. I-III.
SeriesHatra research report -- 19-21
ContributionsTyler, D. J., Hosiery and Allied Trades Research Association.
ID Numbers
Open LibraryOL13880653M

What were your sewing? this problem would occur if you are sewing something too thick for the sewing machine to handle or using needles that do not coordinate with the fabric. level 2. Brother Dreamweaver XE. 1 point 7 years ago. Timing out of whack was my first thought too. This happened to me a few times with my old machine. Heating of the needle cause synthetic fibers to soften or melt, leaving a weakened thread after sewing. Depending on the sewing conditions, maximum needle temperatures range from °C°C [

There are a number of causes for broken needles. First, make sure that your machine is threaded correctly. Follow your diagram and instructions. If the machine is threaded correctly, you could have one of the problems below: You may be using the w. Sewing Machine Tips - Needles By Ron Bergquist. Problems with sewing machines vary widely but many problems have but one cause. Here are some common complaints. My sewing machine won’t turn on. My sewing machine doesn’t run when I press the foot control. It speeds up out of control or pulls the fabric across the plate too slowly.

For all other Schmetz needles, the size of the needle eye increases or decreases with the needle's size. To make my life easier, I keep all my used-but-still-good sewing machine needles in a tomato pin cushion with each section marked for a different size and type of needle. My sewing machine needle is hitting metal, what did I do wrong? It started doing this after I tried threading the bobbin. Contractor's Assistant: What's the sewing machine's make and model? And can you guesstimate how old it is? It is a singer Model no. I have no Idea what the age is.


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Investigation of needle heating and associated problems in machine sewing by F. N. Hurt Download PDF EPUB FB2

Abstract. During high-speed industrial lockstitch sewing, repeated stresses and strains on the needle thread adversely influence its sewing performance.

The sewing performance of threads is affected by reduction in its tensile strength. For maximum strength retention of needle thread, a positive thread feeding device is developed, Cited by: 1. The most important sewing faults are thermal and mechanical faults caused by the sewing needle.

During sewing, the fabric resists the penetration of the needle. This frictional resistance between the needle and the fabric produces heat and it causes the needle to overheat during high-speed sewing.

Needle may be inserted wrong or not in all the way ; Make sure that the needle is fully inserted and facing the correct directions as specified in the sewing machine manual.

Blunt or bent needle also will result in stitches coming undone. Push the needle all the way up the clamp. Needle may be wrong for the machine. Problems caused by sewing needle in sewing machine: Needles are available in a wide range of sizes and the choice of size is determined by the fabric and thread combination which is to be sewn.

The correct size is essential to good sewing performance but as fabrics tend to become finer and, in many cases, more densely constructed, the demand is. structure and thickness had major impact on sewing needle temperature.

On the other hand, ambient humidity, ambient temperature, stitch density and needle parameters played a minor role in heating of the sewing needle. Cooling of hot needle by a vortex stream of cold air is the common method in industry to decrease the needle temperature.

I have found needle shards all over, as well as in a machine. But you will want to handcrank the machine through several cycles before doing any test sewing, listening carefully for new sounds both when hand cycling and stitching.

Before you put in a new needle, listen to the machine handcranked without needle, and then with. Compare. The needle is improperly inserted. The needle is bent or blunt. The needle clamp screw is loose.

The needle thread tension is too tight. The bobbin cartridge is in upside down. The user is pulling too tightly on the fabric while sewing. The needle is too fine for the fabric being sewn. This is a maintenance adjustment, and not just side-to-side position.

The needle nicks the back of the opening in the plate. I have a vague notion it is a two-screw affair.

Can't find a precise manual source, but it's a Kenmoreand I think it's made by Necchi. Accurate (maintenance, not user) manual source also vastly appreciated. My first pass at the problem would probably be to clean and lubricate the machine per the manual, examine the pedal for problems, then take out the needle and put a brick on the foot feed and run it for 15 minutes or so to see if that solves the problem.

Most sewing machines are much happier if they get a good workout at least once a month. rics were sewn at higher speeds (a trend brought about for productivity reasons). Needle heating (as a re-sult of friction between the needle and fabric) increases with machine speed and can cause melting of the fabric and sewing threads, blocking of the needle eye and consequent thread breakage or even needle fail.

The Sew What’s New Archive. Sew What's New Archive > GENERAL SEWING > Problem when Twin-Needle Sewing. From: Bifferina. Date:PM (1 of 28) Hi. I have a Kenmore sewing machine and the manual says to "push the twin needle button" to sew with twin needles but there is no button.

Nowhere else in the manual does it. In order to avoid this problem, sewing machines used for stretch fabrics are normally equipped with differential bottom feed thus contributing to manage the problem of needle heating.

Surface finishing of the needle is also very important to avoid thread breakage during high-speed sewing. Material feeding and associated : M. Carvalho, H. Carvalho, L.F. Silva, F. Ferreira. Checklist of Common Sewing Machine Problems Guide C Reviewed by Wendy Hamilton1 Introduction Little problems with your sewing machine can be very ir-ritating and time consuming.

They can happen to even the most experienced sewer. The next time you have machine troubles, look through your sewing machine manual forFile Size: KB. These are easy to do fixes for the simple sewing machine problems that happen.

Again, and I can't stress this enough, many of these sewing machine problems are caused by your needle being damaged. MOST times you won't be able to see it.

Keep plenty of needles. Needle heat is generally more of a problem when sewing either synthetic threads and / or synthetic fabrics and can cause excessive thread breakage and / or damage to the fabric being sewn.

Needle heat will cause thread breakage when the operator stops sewing after a long run and the thread comes to rest in the needle eye. not during Size: KB. The Complete Handbook of Sewing Machine Repair. Howard Hutchison. Tab Books, Blue Ridge Summit, P.A. #N#Essentially for modern machines.

It dismisses treadles in an introductory paragraph and everything else pre in the following two pages. Then it’s onto a limited range of zigzag models (New Home, Brother, White & Pfaff). If these. The calculation of the needle heating is discussed in this work.

Some results are shown in fig 4, 5 and 6 (sewing conditions are identical as conditions of measurement: lockstitch sewing machine, rotation speed stitches/min, stitch length 2 mm, sewing needle No 90, sewing thread PES Nm 80/2, fabric denim, four plies).

Most machines allow you to adjust the needle position. It is possible that you accidentally changed the position slightly. If your machine is set to do a zig-zagged stitch the needle will start off center to allow for the side to side movement.

It is also possible that it is supposed to be of center. Usage of right kind of threads & needles for various stitching works eliminates various problems that might occur in a sewing machine. If you are a beginner & do not have much knowledge of threads & needles then ask for advice from people who are experienced in using sewing machines.

Sewing Machine needles, thread and tension knowledge from 50+ years of sewing. Sewing has been my passion since age 14 when I ‘took off’ as my Mom tells the then, I earned my B.S. in Home Economics, and did custom dressmaking for.

PROBLEM Needle thread is loose or loopy. POSSIBLE CAUSE / SOLUTION • The machine is not threaded properly. Re-thread the machine and ensure that the thread is seated in the tension dials securely. • The needle tension is too loose. Tighten the needle tension in ¼ to ½ increments until you are satisfied with the results.

PROBLEM. Help - Needle Striking Bobbin Case Housing I've had my A for about 2 weeks now and it has quickly risen to my number 1 machine. Last night I was happily sewing along when the needle hit a pin and broke off.If the machine had one sewing speed only, snapped threads and broken needles were a frequent occurrence when sewing over varying thicknesses.

it is now possible to adjust the machine’s sewing speed according to what has to be sewn, and this capability makes a positive contribution to the improvement of by: 1.