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Buttress thread connections are made up to correct "torque" by burying half of the stamped triangle one the Casing pin end. As a rule the torque will vary a few hundred foot pounds either way.
A good habit is to always use this method, but if the client requires a torque figure then and average torque reading over 10 connections can be used as a indicator but this could end up with a previously run connection not sealing due to "run in" deformation and this is highly undesirable. "ALWAYS BURY HALF THE TRIANGLE"
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How do you find the circumference of a ball?
Put a thread arround the ball and measure the thread's length.
What small cylinder shape holds tape and thread?
A Spool
How do you draw the circle with radius 30cm?
-- Stick a nail into a board. -- Tie a piece of thread around a pencil. -- 30 cm from the pencil, stick the thread to the nail. -- Draw a line on the board with the pencil. Keep the thread tight and go all the way around the nail. -- The line is a circle with radius 30 cm.
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What is the proper makeup torque of 5.5 buttress thread casing?
As always with buttress thread casing, burying half of the triangle (or the 'delta') provides the proper make-up torque.
What is the proper make up torque of 7 buttress thread casing?
Buttress thread connections are made up to correct "torque" by burying half of the stamped triangle one the Casing pin end. As a rule the torque will vary a few hundred foot pounds either way. A good habit is to always use this method, but if the client requires a torque figure then and average torque reading over 10 connections can be used as a indicator but this could end up with a previously run connection not sealing due to "run in" deformation and this is highly undesirable. "ALWAYS BURY HALF THE TRIANGLE"
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Casing Thread ¡ ¡ ¡
How do you rethread a ballet shoe?
My dance sewing kit contains an upholstery needle, which is fairly blunt and has a large eye. When a string disappears, I proceed as follows: 1. Find a point in the casing where you can feel the string. 2. Make a small cut in the casing at that point, or a bit further back. 3. Use the blunt end of the needle to pull the string out of the casing through the hole. 4. Thread the needle with the string. 5. Put the needle into the casing and thread through. I do not usually bother to sew up the hole in the casing. It doesn't seem to grow or cause a problem, and of course it might come in handy again. I do like the idea of the spaghetti-strap hook or just pull out the drawstring completely, thread into a bodkin and rethread through the casing. It takes less than 2 minutes
What does the thread guide do on the sewing machine?
The thread guide keeps the thread running in the proper place. If the thread is not threaded correctly, the tension will be off, resulting in jammed or broken threads in the machine.On a sewing machine, the thread guide is a small part that is attached above the needle. It looks like a hook and it hold the thread in place as it is fed through the needle.
What does the thread take-up do on a sewing machine?
The take up lever is used in threading the sewing machine and to keep the thread tension at the proper level. If the take up lever is threaded improperly, the thread will knot up and jam in the machine.
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M40*1.5mm. Length should be denoted in the drawing separately.
What is the the proper thred notation for a 14 millimeter thread with a 1.5 millimeter pitch on a screw that is 40 millimeters long?
8==> (0)
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You need to check a bobbin for proper tension on the thread. Which if incorrect the sewing machine will often not sew properly.
What is thread dressing used for on a car?
Used to coat the threads to ensure Proper even torque of bolts or to prevent seizing over time.
How can sewing machine troubles can be prevented?
Preventative maintenance.Keep your machine clean and free of dust and thread ends.Use high grade oil sparingly in the proper places.Never force the machine to sew through too many layers of fabric or fabric that is too tough.Always use the proper needle for the job.Keep tension for upper and lower thread as exactly right as possible.
Different types of threads in OS?
There are many different thread forms in use today. The most common are; BPV thread API thread profile gauge Thread profile gauge API 5b thread gauges API thread gauges Pipe thread gauges API Thread Gauge Manufacturer & Supplier Ring gauge use Pipe threader Acme thread Feeler gauge set Ring gauge set threaded pipe plug step gauge NPT thread gauge Tapered pipe thread
