Straighteners

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Straighteners

 

machines used for straightening metal items. There are several types of straighteners.

Parallel-roll straighteners have two parallel rows of rolls arranged in a staggered pattern (Figure 1). Such straighteners are commonly used for straightening both sheet and section rolled steel. Rotary straighteners are used for high-accuracy straightening. They are also used for eliminating ovality in the transverse cross section of tubes when the tubes cannot rotate about their axes. Coiled tubes are processed, for example, by rotary straighteners. Skewed straighteners straighten the edges of tubes and of rounded cross sections. They have one or several bands consisting of two or three rolls. The use of triple-roll bands allows for the straightening of tubes with thin walls and provides good quality surfaces. Revolving-arbor straighteners remove twisting in tubes that are not round. Axial stretching is added to straighten items with uniform cross section, and machines for such cases are called rotary straighteners. Stretch straighteners are used for straightening thin sheets and bands. Straightening presses are used mainly for straightening large sized rolled steel, rails, and large tubes.

R. M. GOLUBCHIK

Figure 1. Schematic of the arrangement of rolls in a straightener

References in periodicals archive ?
Once the line straightens, and I haven't had a strike, I strip it about halfway back, shake my rodtip again to feed slack and allow the fly to sink and repeat.
However, one explanation for the confusion may lie in the fact that Ajmal can no longer straighten his arm, only to within 8.5 degrees, which would mean the permitted 15 degrees would begin at the 23.5 he quotes.
The results of this scenario are not only restricted to the terrible song about straightened hair that forms the introduction to this article.
The Wilcock wires included in this study are 0.016" Regular, Regular plus, Special, Special plus, Premium, Premium Plus (Spinner straightened), Premium plus (pulse straightened), and 0.11" Supreme (Spinner straightened) and Supreme (pulse straightened) Since 0.016" inch size wires is not available in Supreme grade, 0.011" wire is taken for comparison.
I am a 25-year-old African woman who has not straightened her hair in 10 years.
2 : to put in order <Please straighten up the room.>
Step 1: NIVEA Straight & Easy ShampooVisibly straightens the hair while gently and carefully washing it.
Exhale again and straighten your knees while lowering your feet about 20 degrees toward the floor.
5) To straighten curls, when all the sections are dry, smooth a dab of straightening balm like Binge Ultimate Smoothie by pH beauty, over the top layer of your hair.
To begin, straighten your leg and pull down until your foot touches the ground beside your other leg.
Start in the same position as the Shoulder Press move (left), then straighten your arms overhead, gradually turning the hands so the palms face front when you reach the fully extended position as shown.
On the backswing, let your right leg straighten, in order to create a strong pivot past to turn your right hip around and create power.