Main composition of LHD-450/13 high-speed al. alloy rod breakdown machine (1)
Mar 28, 2020

The wire drawing machine is one of the company's main product series. It is mainly used to produce the diameter required by customers using copper or aluminum rods as raw materials. This blog will introduce the main components of LHD-450/13 high-speed al. alloy rod breakdown machine. The main components of LHD-450/13 high-speed al. alloy rod breakdown machine include: pay-off stand, wire pointing and threading machine, main wire drawing machine, lubricating system and cooling system for main gear box and drawing oil tank, vertical wire accumulator with tensile, new type Hydraulic dual spooler(PND500, PND630), electrical control system. Due to the large amount of content, it will be divided into two blogs (1) and (2) for posting.

1.  Pay-off stand

- Guide roller type which is attached ground root.

- This unit is composed of a stand and a guide roller.

- It is adopted advanced structure which has a single pole with a rotation arm.

- This pay-off stand can load 2-3 Al or alloy coilers at the same time to achieve to pay off wires continuously.

Height of pay-off stand

About 5000mm (not easy to be tangled)

The maximum diameter of inlet coiler

Φ2000mm (4000kg)

Guide wheel diameter

Φ590mm

Quantity of guider

3 pcs

Wire tangled alarming and stop line device

Equipped

straightening function for the inlet rod

Available

2.  Pointing and threading unit

It is used to sharpen the wire end and thread it through the dies.

Diameter of roller

Φ100mm

Rotating speed of roller

24r/min

Apply range of pointing

Φ1.5mm-Φ12mm

Diameter of drum

Φ420mm

Motor power

5.5KW/AC

3.  Main drawing machine

- Gearbox is casted by HT200 cast iron accurately as a whole piece. Compared with piece together structure, it has many excellent features, for instance higher rigidity, well sealing performance. Also it will not leak water and oil and can reduce vibration efficiently. The gearbox is treated with one-off orientational processing in the Germany advanced machining center to make sure processing accuracy.

- In the gear box, material of bevel gears is 20CrMnTi and it is treated with cemetite quench.

- The surface of drawing capstan is in a double-cone shape to enhance its using life greatly.

- The drawing box has double covers to seal. Covers are made of stainless steel. The outer cover has six parts and inner cover has four parts and can be open and closed by hand.

- The final drawing capstan is fitted with an independent DC motor with power of 75KW and is transmitted by teeth belt.

Inlet wire diameter

Φ9.5mm

Outlet wire diameter

Φ2.31.8– Φ4.5mm

Diameter of drawing capstan

Φ450mm

Max. drawing speed

Max 25m/s

Speed ratio between capstans

1.238, (13 molds adjustable)

Quantity of capstan

13

Die holder size

ITO standard: Φ53x35 mm

Buyer’ size :

Drawing capstan surface treatment

Tungsten carbide coated

Quick die change

Available

Main motor

315KW /1000r/min DC /1ea

Final capstan motor

75KW /1500r/min DC /1 ea

The gear which are between capstan and shaft

Interchangeable (besides final capstan)

Inlet guide roller

Installed

Noises of main machine

85 db (except main motor).

Protection cover

Installed (stainless steel, double cover)

4. Vertical wire accumulator with tensile

Purpose

During dual spooler start, stop, and bobbin changing, use it as compensation of line speed micro changing.

Type

Tensile strength is adjusted by pneumatic

Air pressure

is adjustable within 0.3~0.6Mpa

Accumulating length

ITO standard: over 7 M

Guide roller material

AL + ceramic coating treatment


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