-General Description

Model FB473 twistless roving frame is a finalized product developed by the company in 2000 and matches worsted series gill boxes.

-Use

Model FB473 twistless roving frame makes the canned tops into roving of certain fineness by means of drawing,drawing,drafting and slubbing,with the puality meeting the requirements of the technological process,and the roving is further made into ball tops for the use by worsted spinning frames to imitate twistless roving.

-CharacteristicsEquipped with frequency converter,PLC,touch screen,automatic contuoller,etc,and convenient to operate and maintain,FB/FBL series gill boxes and Model FB473 twistless roving frames are ideal model for wool spinning enterprises'choice.

-Technical ProcessApplication of FB/FBL series in the technical process of wool fore-spinning：FB/FBL415(with wool cream mixing bar)-FB/FBL426(with neat and well spaced primary pass)-FB/FBL435(second pass)-FB/FBL445(third pass)-FB473(rovintg)-spinning frame(for spinning low and medium-count yarn)FB/FBL415(with wool cream mixing bar)-FB/FBL426(with neat and well spaced primary pass)-FB/FBL435(second pass)-FB/FBL445(third pass)-FB/FBL455(fourth pass)-FB473(roving)-spinning frame(for spinning high-count yarn)

-Model FB473 Roving Frame main specifications and technical parametersModel HorizontalHead distance(mm) 710Head qty. 6、8、10(two top-balls for;two lengthes of wool yarn for each ball)Roller diameter(mm) frontΦ50／Φ25,rearΦ40Leather roller diameter(mm) front、rearΦ70Roller weighting(N) front600、rear200Drafting mechanism Double leather ringFront roller distance(mm) 330Rubbing plate (mm) Top & bottom inside length:L 458.5mm*W158mm*T4mmWinding diameter(mm) Φ90Ring bobbin specification (mm) Φ70*Φ25*Φ243Number of tops tobe drawn 1-2(pieces)Feed-in weight(g/m) =<15( Sliver-can feed-in)Output top weight(g/m) 0.16-1.5( Ball top output)Drafting multiple 6.03-17.48Output top speed(m/min) 60-180(Normallyopen130) (Frequency converting adjustment)Times of slubbing(c/min) (Max.)1100Leather ball dimension(mm) =<Φ300*200Motor specification 11KW 2930r/minDust collecting motor 4KW 2890r/minFrequency governor 3G3RV-4110Machine weight (kg) 12(balls) 510016(balls) 600020(balls) 7000Overall dimension(L*W*H )(mm) 9548*4375*2375(20 balls)