push-type spring steel pickling process

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A push-type spring steel pickling process characteristics
  The push spring steel pickling also known as push-pull pickling is the semi-continuous pickling, the pickling process is for each strip by the Pinch Roll followed by bit e,
Without welding, and push forward until the take-up. By volume spring strip interrupted by pickling to remove the spring steel strip surface oxygen
Of iron, push pickling has the following characteristics:
    (1 more) pickling varieties of spring steel, such as carbon steel, silicon steel, alloy steel;spring steel clip
    (2) adaptability to the consecutive unit pickling spring steel strip thickness is generally not more than 6.Smm. Push pickling
Up to 9. Smm, even 12mm;
    (3) can pickling narrow strip;
    (4) low cost of equipment, the abolition of expensive welding machine, straightening machine and a large car-type loop device.
    Therefore, the push-pull pickling favored by some medium and small enterprises.steel clip

Typical push spring steel pickling process
    Push pickling process: raw materials on a feeding cart _ coil preparation station (five-roll straightening machine _ cutting head angle)
. Open book - + cited Section guides pressure roller _ in the side guide roller _ five roll straightener _ pickling tank _ rinsing tank - + dryer _ free live
Sets _ cross-section cut _ a lead feed roller tension device guides _ the pressure roller coiling machine unloading car.

3 Taiyuan Iron and Steel Company push cold rolled spring steel pickling process equipment, process
  TISCO push pickling process equipment in the cold rolling process:stainless steel tube clamps
  Begins with ~ L-y folder rolls straightening HL-y Shear. The Cutaway cut _ ÷ wringer rolls (pickling bath on the 1st wringer rolls, on the 2nd squeeze
Dry rolle r, on the 3rd wringer rolls, wringer rolls on the 4th, the 5th wringer rolls, wringer rolls in on the 6th, the 7th wringer rolls; cleaning tank to squeeze in on the 8th
Dry roller, on the 9th wringer rolls, wringer rolls on the 10th, on the 11th wringer rolls) _ dryer _ pinch roll a looper pit a cutting edge machine
Roll tensioning device roll to take the machine. Oiler _ discharge.

(4) push spring steel hydrochloric acid pickling process indicators
    At present, the new push hydrochloric acid pickling production capacity can reach 100 × 104 t / a, unit speeds up to
200m/min, to wear with speeds up to 120m/min, pickling steel strip thickness 0.8-19mm, the pickling time is less than 24s.
 And the crew set the exit section of the four-roll mill, to improve the flatness of the the pickling spring strip.