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Time of issue:2020-03-17 00:00:00
Tel：086-731-28410199
Fax：086-731-28415766
Janice: 15873392789
Email : sales@chinatungstens.com
Address：No.5 Building, No.581 Heilong Jiang Road, Li Yu Industrial Park, Tian Yuan District, Zhuzhou, Hunan, P.R. China.
Describe
1/1
Number of views:
1009
Tungsten/ W/ Wolfram heater
Retail price
0.0
元
Market price
0.0
元
Number of views:
1009
Product serial number
aa08
Category
Sapphire growth furnace
Quantity
-
+
Stock:
0
1
describe
Ⅰ、Physical and chemical properties
1 Tungsten heater
1.1 Purity：W≥99.95%；
1.2 Density：≥19.1g/cm3；
1.3 Application temperature environment：≤2300℃；
2 Copper base
2.1 Purity：Cu≥99.95%；
2.2 Density：≥8.8g/cm3；
2.3 Application temperature environment：≤1000℃；
Ⅱ、Measurements and tolerances
Unit：mm
|
Tungsten heater |
||||||
|
Diameter |
Diameter tolerance |
Width |
Width tolerance |
Height |
Height tolerance |
Remark |
|
3.0 |
±0.1 |
≤650 |
±1 |
≤1200 |
±1 |
Shape of bottom and design of bendingradius will be Manufactured according to customers’ requirements |
|
4.0 |
±0.1 |
≤600 |
±1 |
≤1150 |
±1 |
|
|
5.0 |
±0.1 |
≤550 |
±1 |
≤1100 |
±1 |
|
|
6.0 |
±0.2 |
≤550 |
±1 |
≤1050 |
±1 |
|
|
7.0 |
±0.2 |
≤500 |
±1 |
≤1000 |
±1 |
|
|
8.0 |
±0.2 |
≤500 |
±1 |
≤950 |
±1 |
|
|
9.0 |
±0.2 |
≤450 |
±1 |
≤900 |
±1 |
|
|
Copper base will be Manufactured according to customers’ requirements and processed with CNC lathe |
||||||
Ⅲ、 Manufacture process and equipment
| Tungsten heater | Item | Process | Equipment | Quality check point |
| 1 | Tungsten rod | 1. Physical and chemical properties | ||
| 2 | Clean | 2. Length, straightness, diameter and circularity | ||
| 3 | Check | 3. Surface quality | ||
| 4 | Bend | Bending machine | 1. Length and width dimensions | |
| 5 | Regulate | Correct mold | 2. Arc diameter | |
| 6 | Check | 3. Surface quality | ||
| 7 | Wire cutting | Wire cutting machine | 1. Surface quality | |
| 8 | Clean | 2. Dimensions, arc diameter, and tolerances | ||
| 9 | Check | 3. Issue certificate of quality | ||
| 10 | Pack |
Ⅳ、Application
As the heating source in the sapphire growth furnace, tungsten heater will have decisive effect on the formation of temperature gradient for AL2O3.
In this way, high purity, high density, reasonable design and excellent fabrication of the tungsten heater will have have important significance on the
quality control of sapphire ingots, saving of energy and extension of working life.
Keyword:
Tungsten heater
Tungsten rod
tungsten rods
copper base
tungsten bars
tungsten bar
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