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Tel : +86-13402519623

Whatsapp : +86 134 025 19623

E-mail : listrong@listrong.cn

Office: Suzhou Listrong Imp & Exp Co.,Ltd

Add: Room 3524 Bldg.23 Greenland Kanhu Life Plaza , SSTT, Suzhou New District,JiangsuProvince,China

Plant: Jiangsu Listrong Mechanical & Electrical Co.,Ltd

Add: North JinfengRoad,Precision Machinery Manufacturing Industrial Park,DongtaiCity,JiangsuProvince,China

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Medium wire drawing machine with annealer

Usage: Copper Wire
Inlet: φ3.5-φ2.5mm
Outlet: φ1.6-φ0.4mm
Max. number of drawing dies:17
Max.speed: 1800mpm

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Product introduction

LISTRONG-17DST Intermediate wire drawing machine (copper)

After copper rod breakdown, the second stage for copper wire drawing process is intermediate copper wire drawing machine with continuous annealing devices. LISTRONG devote a lot of efforts to research and develop copper wire drawing machine with latest technology.

Application: the intermediate wire drawing machine is used for intermediate copper wire drawing from 3.5-2.5mm to 1.6-0.4mm.

Main components of machine:

Serial No.	Item Name	Qtty.
1	Pay-off stand	1 set
2	17DS Main drawing machine	1 set
3	Annealing machine	1 set
4	Tension controller	1 set
5	WS630 Take-up machine	1 set
6	Pointer	1 set
7	Console	1 set
8	Main machine electrical cabinet	1 set
9	Annealing electrical cabinet	1 set
10	Steam generator	1 set

Technical parameters

Model: LISTRONG-17DST Intermediate wire drawing machine (copper)

Serial No.	Item	Description
1	Inlet wire	φ3.5-φ2.5mm
2	Outlet wire	φ1.6-φ0.4mm
3	Max speed of drawing	25m/s
4	Drawing capstans	Coated by tungsten carbide
5	Max number of passes	17
6	Main motor power	55kw
7	Take-up motor power	15kw

Machine structure

1. Power control: Dual motor with dual frequency converter control.

2. Drawing method: four horizontal shafts and slip type drawing.

3. Transmission method: by gear and triangle belt

4. Stop automatically: machine stop automatically when bobbin is fully loaded or wire breaks.

5. High quality components applied.

FAQ

Q： Is the 17DST Intermediate wire drawing machine (copper) with continuous annealer?

A： Yes. Our Intermediate wire drawing machine (copper) offers the flexibilities to our customers. Online continuous annealing is an option. This machine can also co-operate with varieties of take-up machines, such as single spooler, dual spooler with auto changeover devices, and drop coiler.

Q： Common improper use in wire drawing process?

A：(1) excessive reduction of wire drawing, resulting in cracks or breakage of the drawing dies. Most of the crack or fracture is caused by the release of internal stress. Exist in any material structure, the internal stress is inevitable, internal stress which is caused by wire drawing could enhance microcrystalline structure of the die, but when reduction ratio is over large, the die can't timely lubricated and temperature rise too high, part of the die surface material will be removed and stress on microcrystalline structure will be increased greatly, making it easier to crack or break.

(2) The wire drawing axis and the center line of die hole are not symmetrical, resulting in uneven stress action on wire and die, while the impact of mechanical vibration will also cause high stress peak on wire and die, both of which will accelerate the wear of die.

(3) Due to non-uniform annealing, non-uniform wire hardness and other factors may easily cause premature fatigue damage of diamond wire drawing die, forming annular groove and aggravating die hole wear.

(4) Rough wire surface, oxide layer, sand soil or other impurities adheres to the wire surface, which will make the die wear faster. When the wire passes through the die hole, the hard and brittle oxide layer and other adhesion impurities will cause quick wear and abrasion of the die hole.

(5) Insufficient lubrication or lubricating oil contains metal debris and impurities, resulting in die wear. Poor lubrication will cause the surface temperature of the die rising too fast during wire drawing, then the diamond grain will fall off, resulting in mold damage. And It is very easy to scratch the surface of die and wire when the oil is not clean, especially when it contains metal fragments which fall off during drawing.

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