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Drafting bottom roller of cotton spinning frame (6 spindles)
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Drafting bottom roller of cotton spinning frame (6 spindles)

The drafting lower roller of the cotton spinning frame produced by our company is made of famous brand No. 45 special high-quality carbon structural steel and advanced and unique processing technology, refined by modern special production equipment and high-precision processing center. The working surface is herringbone oblique densely toothed grooves and diamond mesh knurled. After high-frequency heat treatment, hard chrome plating and special polishing, the surface is smooth, burr-free, high-precision, rust-free, wear-resistant, and has a long service life.
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The drafting lower roller of the cotton spinning frame produced by our company is made of famous brand No. 45 special high-quality carbon structural steel and advanced and unique processing technology, refined by modern special production equipment and high-precision processing center. The working surface is herringbone oblique densely toothed grooves and diamond mesh knurled. After high-frequency heat treatment, hard chrome plating and special polishing, the surface is smooth, burr-free, high-precision, rust-free, wear-resistant, and has a long service life. , And has the advantages of no hanging flowers, stable operation without moving, minimal bending deformation, stable holding force, ensuring effective control of fibers, and minimizing harmful roller mechanical waves that often occur when spinning high-count cotton yarns. It can significantly improve the quality of yarn evenness, reduce apron loss, and is suitable for heavy-pressure drafting.
 
Parameters of Cotton Spinning Roller:
 

Host model

Main technical parameters of Roller

Remarks

diameter

Spindle pitch

Number of spindles

chrome

Equipped with bearings

FA502
FA503

φ25

70

6

chrome

LZ2822

Groove teeth are arc
Knurled teeth are dense teeth

FA506 FA506A
FA506S F1508

φ25

70

6

chrome

LZ2822

Groove teeth are arc
Knurled teeth are dense teeth

F1518A F1518J
F1518CJ F1520
F1520SK

φ25

70

6

chrome

LZ2822

Groove teeth are arc
Knurled teeth are dense teeth

FA528

φ25

70

6

chrome

LZ2822

Groove teeth are arc
Knurled teeth are dense teeth

FA507
FA507A
DTM129

φ25

70

6

chrome

LZ2822

Groove teeth are arc
Knurled teeth are dense teeth

EJM128K
EJM128A

φ25

70

6

chrome

LZ2822

Groove teeth are arc
Knurled teeth are dense teeth

EJM128JL

φ27

70

6

chrome

LZ3224

Groove teeth are arc
Knurled teeth are dense teeth

A512 A512A
A512B A512C

φ25

70

6

chrome

LZ2822

Old machine retrofit

A513F

φ25
φ27

70

6

chrome

LZ2822
LZ3224

Old machine retrofit

A515
FA504

φ25

66.675

6

chrome

LZ2822

Old machine retrofit

A513C
A513E
A513W

φ25
φ27

70

8

chrome

LZ2822
LZ16.5
LZ3224

Old machine retrofit
Long guide column 46
Short guide pin 34

1291 1292
1293 1294

φ25

66.7
66.675

8

chrome

LZ2822
LZ16.5

Old machine retrofit
Long guide column 46
Short guide pin 34

1291 1292
1293 1294

φ27

66.7
66.675

8

chrome

LZ2822
LZ16.5

Short guide post 37

Foreign models
Domestic transformation

φ25 φ26
φ27 φ28

Come drawings or
Incoming sample measured

4
6
8

chrome

Come drawings or
Incoming sample measured
Germany Japan
Switzerland Italy
United States France
 
Features of a new generation of super high-precision compact spinning roller without mechanical wave:
1. The flexural strength is increased by more than 9.1% compared with conventional rollers.
2. The static runout of any two rollers inlaid is 100% within 0.05mm, and no gasket is needed for installation on the machine.
3. Connect and tighten directly on the machine, without calibration, 98% of the dynamic runout is within 0.02mm, and the maximum does not exceed 0.03mm.
4. The roller has a non-mechanical wave rate of more than 98%, and more than 98% of the mechanical wave-drawn net is flat wave amplitude, and the maximum is not more than 3mm.
5. The yarn evenness of conventional spinning varieties is better than the 5% level of the 2007 Uster Bulletin.
6. Long-term use without walking, stable operation and good consistency.

 

Keyword:
spindles
teeth
the
chrome
of
and
are
25
lz2822
is
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Jiangyin Dongjie Textile Machinery Parts Co., Ltd.

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61 Huanghui Road, Huangtu Town, Jiangyin City, Jiangsu Province

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