Induction Brazing T Shaped Copper Tubing Assemblies

High Frequency Induction Brazing T Shaped Copper Tubing Assemblies Objective: Test 1 – Induction brazing T-shaped copper tubing assemblies – 3 joints simultaneously Test 2 – Induction brazing copper tubing Industry: HVAC Materials: Copper tubers  6, 8, 10, 12 mm ( 015⁄64, 05⁄16, 025⁄64, 015⁄32inch. ); thickness: 1 mm ( 03⁄64 inch.) Alloy: Cu-P-Ag rings TIP: The use of alloy rings is highly … Read more

Induction Brazing Machine

Induction Brazing Machine&Soldering Equipment
Main characteristics:
    1.  IGBT module and inverting technologies of the first generation been used.
    2.  Simple structure and light weight and easy for maintenance.
    3.  Simple to operat ,afew minutes is enough to learn it.
    4.  Simple to install,installation can be done by unprofessional person very easily.
    5.  advantages of the model with timer,the power and the operatingtime of the heating period and the rain period  can be preset repectively,to realize a simple heating curve,this model is suggested to use for batch production to improve the repeatability.
   6.   The separated models are designed to fit the dirty surrounding of some cases.
Specifications
Series
Model
Input power Max
Input current Max
Oscillate frequency
Input Voltage
Duty cycle
M
.
F
.
DW-MF-15 Induction Generator
15KW
23A
1K-20KHZ
According to the application
3*380V
380V±20%
100%
DW-MF-25 Induction Generator
25KW
36A
DW-MF-35Induction Generator
35KW
51A
DW-MF-45 Induction Generator
45KW
68A
DW-MF-70 Induction Generator
70KW
105A
DW-MF-90 Induction Generator
90KW
135A
DW-MF-110 Induction Generator
110KW
170A
DW-MF-160 Induction Generator
160KW
240A
DW-MF-45 Induction Heating Rod Forging Furnace
45KW
68A
1K-20KHZ
3*380V
380V±20%
100%
DW-MF-70 Induction Heating Rod Forging Furnace
70KW
105A
DW-MF-90 Induction Heating Rod Forging Furnace
90KW
135A
DW-MF-110 Induction Heating Rod Forging Furnace
110KW
170A
DW-MF-160 Induction Heating Rod Forging Furnace
160KW
240A
DW-MF-15   Induction Melting Furnace
15KW
23A
1K-20KHZ
3*380V
380V±20%
100%
DW-MF-25   Induction Melting Furnace
25KW
36A
DW-MF-35   Induction Melting Furnace
35KW
51A
DW-MF-45   Induction Melting Furnace
45KW
68A
DW-MF-70   Induction Melting Furnace
70KW
105A
DW-MF-90   Induction Melting Furnace
90KW
135A
DW-MF-110 Induction Melting Furnace
110KW
170A
DW-MF-160 Induction Melting Furnace
160KW
240A
DW-MF-110 Induction Hardening Equipment
110KW
170A
1K-8KHZ
3*380V
380V±20%
100%
DW-MF-160Induction Hardening Equipment
160KW
240A
H
.
F
.
DW-HF-04 Series
DW-HF-4KW-A
4KVA
15A
100-250KHZ
Single phase 220V
80%
DW-HF-15 Series
DW-HF-15KW-A
DW-HF-15KW-B
15KVA
32A
30-100KHZ
Single phase 220V
80%
DW-HF-25 Series
DW-HF-25KW-A
DW-HF-25KW-B
25KVA
23A
20-80KHZ
3*380V
380V±10%
100%
DW-HF-35 Series
DW-HF-35KW-B
35KVA
51A
DW-HF-45 Series
DW-HF-45KW-B
45KVA
68A
DW-HF-60 Series
DW-HF-60KW-B
60KVA
105A
DW-HF-80 Series
DW-HF-80KW-B
80KVA
130A
DW-HF-90 Series
DW-HF-90KW-B
90KVA
160A
DW-HF-120 Series
DW-HF-120KW-B
120KVA
200A
U
.
H
.
F
.
DW-UHF-3.2KW
3.2KW
13A
1.1-2.0MHZ
Single phase220V
±10%
100%
DW-UHF-4.5KW
4.5KW
20A
DW-UHF-045T
4.5KW
20A
DW-UHF-045L
4.5KW
20A
DW-UHF-6.0KW
6.0KW
28A
DW-UHF-06A
6.0KW
28A
DW-UHF-6KW-B
6.0KW
28A
DW-UHF-10KW
10KW
15A
100-500KHZ
3*380V
380V±10%
100%
DW-UHF-20KW
20KW
30A
50-250KHZ
DW-UHF-30KW
30KW
45A
50-200KHZ
DW-UHF-40KW
40KW
60A
50-200KHZ
DW-UHF-60KW
60KW
90A
50-150KHZ

 

Induction Brazing Basics

Induction Brazing Basics for jointing copper,silver,brazing,steel and stainless steel,etc.

Induction Brazing uses heat and filler metal to join metals. Once melted, the filler flows between close-fitting base metals (the pieces being joined) by capillary action. The molten filler interacts with a thin layer of the base metal to form a strong, leak-proof joint. Different heat sources can be used for brazing: induction and resistance heaters, ovens, furnaces, torches, etc. There are three common brazing methods: capillary, notch and moulding. Induction brazing is concerned solely with the first of these. Having the correct gap between the base metals is crucial. A too-large gap can minimize the capillary force and lead to weak joints and porosity. Thermal expansion means gaps have to be calculated for metals at brazing, not room, temperatures. Optimum spacing is typically 0.05 mm – 0.1 mm. Before you braze Brazing is hassle-free. But some questions should be investigated — and answered — in order to assure successful, cost-effective joining. For instance: How suitable are the base metals for brazing; what’s the best coil design for specific time and quality demands; should the brazing be manual or automatic?

brazing material
At DAWEI Induction we answer these and other key points before suggesting a brazing solution. Focus on flux Base metals must usually be coated with a solvent known as flux before they are brazed. Flux cleans the base metals, prevents new oxidation, and wets the brazing area prior to brazing. It is crucial to apply sufficient flux; too little and the flux may become
saturated with oxides and lose its ability to protect the base metals. Flux is not always needed. Phosphorous-bearing filler
can be used to braze copper alloys, brass and bronze. Flux-free brazing is also possible with active atmospheres and vacuums, but the brazing must then be performed in a controlled atmosphere chamber. Flux must normally be removed from the part once the metal filler has solidified. Different removal methods are used, the most common being water quenching, pickling and wire brushing.