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Copper/Brass Die Casting Machine

Copper/Brass Die Casting Machine for sale, China manufacturer. Horizontal  Copper Alloy Cold Chamber Die Casting Machine for Textile machine Copper shuttle, Tap, battery copper connector etc. Machine Tonnage: 150T, 160T, 200T, 280T, 300T, 350T, 400T, 550T. Copper/Brass Die Casting Mould Making Service. More information, please Email: cnkylt@aliyun.com
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  • Horizontal Cold Chamber
  • LZ
  • 8454301000

Copper (Brass) die casting machine or injection machine used to manufacture copper/brass alloy die casting parts. Such as: Textile machine Copper shuttle, Tap, lead acid battery copper connector, electirc wires parts, machinery parts etc.

copper brass die casting parts

Copper alloy melting point is about 934-967℃, which need a copper melting furnace to molten the high melting point alloy. This function decided need a independent metal melting system, so hot chamber die casting machine is obviously unsuitable. That is the reason: why all copper die casting machine is horizontal cold chamber type.

Copper Brass Die Casting Machine


What is copper die casting process?

Same as Aluminum die casting process, motlen copper alloy be shot into mould cavity, after the metal alloy solid to got a finished copper die casting part. 

A manual copper die casting process just need a copper melting furnace, copper die casting/pressure inject machine, copper die casting mould/die.

Operator ladles the liquid brass alloy out from furnace, pure it into cold chamber. Cold chamber die casting machine plunger inject the liquid metal alloy to mould with high pressure. Copper alloy solid, mould open, the copper/brass die casting parts be ejected out from mould cavities. A copper injection process is finished, sprayer lubricates and cools the mould cavites, mould close, and ready to start the next copper die casting cycle.

The automatic copper die casting process consists of: copper melting furnace, auto ladling machine, auto spraying machine, auto extractor (auto die casting part pick-up machine), copper die casting/pressure inject machine, copper die casting mould/die.

Automatic copper die casting process mostly are same with manual process, the different is use auto machines or robots to ladle molten copper metal, lubricate & cool mould cavity and pick-up copper parts instead of manual labour.

All machines are controlled by PLC, the work process of machines are pre-programmed. Auto ladling robot ladles copper alloy from melting furnace, pure liquid metal into cold chamber of die casting machine. Die casting machine hydraulic system drives plunger force molten copper alloy to mould cavity.  Copper solid, mold open, finished copper die casting part be eject out from mould. Auto die casting part pick-up machine catch the copper part out from die casting machine, and set the finished part in working plate or stamping machine to cut inject runner & burr. Auto sprayer inject out mould release agent with pressure to clean and cool mould cavities. Then, mould close, and start next die casting process. 

Copper Brass Die casting process video:

Youtube:https://youtu.be/LCafa6yLESc


Types & Tonnages of copper die casting machine:

For copper or brass alloy material, with high pressure injection method, normally use horizontal cold chamber die casting machine. Because hot chamber machine can not bear high temperature of molten copper. 

As copper alloy melting temperature is too high, solid fast, which limit the copper parts cast range. Normally, copper cold chamber die casting machine tonnge is about 150t to 280T/300T.

Copper/Brass cold chamber die casting machine technical specifications

 LZ150~268T Main specifications and parameters.

No. ITEM UNIT LZ150/160
LZ180 LZ200 LZ268
1 Clamping Force KN 1500/1600
1800
2000
2680
2 Inner space between tie bars
(H*V)
mm 440×440
480×480
490×490
540×540
3 Die Stroke mm 340
380
380
450
4 Die Thickness mm 200~550
200~550
200~550
250~650
5 Ejection Stroke mm 80
80
80
110
6 Ejection Force KN 100
110
110
150
7 Injeciton Force KN 110~190
105~230
105~236
133~280
8 Injection position
(center is "0",down is "-")
mm 0,-70,-140
0,-140
0,-140
0,-160
9 Dia. of shot sleeve mm 40,50,60
50,60,70
50,60,70 50,60,70
10 Dia.of Injection chamber flange mm 110
110f7
110f7
110f7
11 Over height of flange mm 10-0.05
10-0.05
10-0.05
12-0.05
12 Dosage of fluid metal pershot kg 1.8
2.5
2.5
3.2(Al). 2.3(Mg)
13 Projected area cm 105~550
171~666
172~660
196~800
14 Injection pressure Mpa 36~149
27.3~117
28~118
35~143
15 Dry cycle s 7
7
7
10
16 Oil tank capacity L 450
550
650
750
17 Motor power KW 11 11
15
18.5
18 Machine sizes
(L*W*H)
M 5.1×1.2×2.2
5.7×1.3×2.4
5.8×1.25×2.4
6.4×1.6×2.8

(Remark:The company keeps the right to revise above parameters, If there is any alterations, advance notice won't be given then.)

Copper die casting mould life:

Copper die casting mold need bear high temperature, high pressure in injection process. And, cooling fast after die casting. Cold heat sudden change in a short time, that cause copper die casting die life is short. Generally, a copper die casting mould life is from 30000-50000shots.


More information about our Copper Die Casting Machine and Mould Service, Please email us: cnkylt@aliyun.com.


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