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KC250B Two-for-one twisting machine for large package tube

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KC250B Two-for-one twisting machine for large package tube

product advantages:

Filament Yarn


Polypropylene (PP)

Polybutylene Terephthalate

Glass fibre



Sewing Thread

Technical Yarns



Synthetic yarn composed of one or more filaments that run the whole length of the yarn. Yarns of one filament are referred to as mono-filament; yarns of several filaments as multi-filament.

Synthetic fiber made from a thermoplastic polymer that contain the ester functional group in their main chain. Most commonly refers to a type called polyethylene terephthalate (PET) or polyethylene succinate (PES) with a melting point from 103 – 106°C.

Polypropylene is a thermoplastic polymer used in a wide variety of applications including packaging and labeling, textiles (e.g., ropes, thermal underwear and carpets), stationery, plastic parts and reusable containers of various types, laboratory equipment, loudspeakers, automotive components, and polymer banknotes. An addition polymer made from the monomer propylene, it is rugged and unusually resistant to many chemical solvents, bases and acids.

PBT is similar to other thermoplasic polyesters. Compared to PET, PBT has a slightly lower strenth and rigidity, but a better impact resistance. The yarn has a natural stretch and can be incorporated into sports wear (most common found in swimwear).

Also called spun glass, is a material consisting of extremely fine filaments of glass that are combined in yarn and woven into fabrics. Used in making various products, such as yarns, fabrics, insulators, and structural objects or parts.

Aramid is the short term for aromatic polyamide. They are fibres, in which the chain molecules are highly oriented along the fibre axis, so the strength of the chemical bond can be exploited. The fibre is heat-resistant and of great strength. Aramid is used in materials for bulletproof vests and radial tires.

Viscose, formerly known as viscose rayon, is made by treating cellulose with caustic alkali solution and carbon disulphide. It is a soft fibre commonly used in dresses, linings, shirts, shorts, coats, jackets, and other outerwear.

Sewing threads yarns are especially made to pass rapidly through a sewing machine. It is a fine cord of a fibrous material, made of two or more filaments twisted together. The yarn has to form efficient stitches without breaking or becoming distorted.

The yarns are used for technical textile products, manufactured for non-aesthetic purposes, where function (rigidity, strength, dimension stability, design flexibility and economic viability) is the primary criterion.

Also known as Nylon. PA consists of chemical fibres and are obtained from synthetic polymers. Polyamid is very resistant and tear proof as well as elastic, stretchable and takes just a little moisture up. In addition it is extensively crease-resistant and drip-dry.

Synthetic fiber made from a polymer (Polyacrylonitrile, also known as Creslan61). PAN belongs to the family of acrylic resins. It is a hard, rigid thermoplastic material that is resistant to most solvents & chemicals, slow to burn and of low permeability to gases.

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Machine structure

Double sides, single layer, thread manually

Number of spindles

  10n,100 spindles are standard.

Spindle gauge

300mm,366mm optional

Spindle speed range


Twist range


Twist direction

S or Z

Spindle tensioner

Ball type


150mm-250mm(Optional according to actual situation)

Rated power


Start-up mode

Frequency conversion slow start

Take-up angle


Take-up speed

Max. 120m/min

Take-up package

Max.5kg(Depends on the process parameters)

Spindle drive

Apron belt circulation drive


It is applied to make yarns twisted in the low and medium TPM.

It is applied for making twist of single-ply and multiplied yarns of DTY, POY, FDY, viscose rayon etc in yarn count 75D-1000D.


◎Convenient operation, reasonable transmission, compact construction and attractive appearance;

◎Flexible option on single spindle’s packaging edge;also flexible operation on put on/take off taking-up bobbins;

◎It can possibly omit troubles that other two-for-one twisters need to divide into small yarn cones to produce; the processes of KC250B no need that so its process is decreased and easy, the efficiency and yarn quality can be improved also.

◎Manual renegade spindle-braking system is easier to operate, and also it can extend the life of belt and spindles.