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Product details
Purpose:
The DHJ-40 desktop rapid grinder is widely used in metallurgy, drug testing, non-ferrous metals, commodity inspection, cement, building materials, coal, geology and mining, scientific research and other fields.
Technical parameters:
Size: 345mm X 295mm X 540mm
Weight: 40kg
Power supply: 220V, 50 HZ
Maximum grinding time: 10 minutes
Minimum adjustment time: 1 second
Performance characteristics:
1. High efficiency, brittle materials of about 5 millimeters can be ground into powder with a fineness of 300 mesh (40 microns) in a matter of seconds to minutes using this instrument;
2. Fully sealed, no need for ventilation or dust removal;
3. The speed is continuously adjustable, which can grind samples of various hardness and greatly reduce the wear of the grinding disc and the pollution of the samples caused by wear;
4. Strictly control the grinding time through digital programmable timers and LCD displays, with an audio reminder function after grinding is completed;
5. Low noise, adopting multi pole shock absorption measures, no need for footings;
6. Steel shell, electroplated coating, sturdy and durable;
7. Operation safety, the instrument automatically stops running when the protective cover or operation panel is opened;
8. Through CE certification, it is easy to maintain and does not require maintenance.
Operating principle
Place the ground sample into the grinding tank, cover the lid of the grinding tank, and then secure the entire grinding tank. Turn on the switch after setting the time. The grinding tank rotates at high speed, and the grinding disc in the grinding tank collides with the wall of the grinding tank at high speed, shattering the sample at the same time.
option
Grinding disc 100ml (effective grinding capacity of 30ml)
Ordinary corundum grinding disc, high-purity corundum grinding disc, hard steel grinding disc, chromium steel grinding disc, tungsten carbide grinding disc, zirconia grinding disc
Typical Grinding Data
|
material |
Initial size |
Grinding strength |
Size after grinding |
Grinding time (minutes) |
|
asbestos |
Fibrous like |
high |
Less than 325 mesh |
9 |
|
Ordinary cement |
60 eyes |
moderate |
Less than 325 mesh |
1 |
|
Iron chromium alloy |
100 eyes |
high |
Less than 325 mesh |
3 |
|
Iron manganese alloy |
200 mesh |
high |
Less than 325 mesh |
2 |
|
Iron molybdenum alloy |
80 mesh |
high |
Less than 325 mesh |
3 |
|
Iron niobium alloy |
80 mesh |
high |
Less than 325 mesh |
2 |
|
silicon steel |
80 mesh |
moderate |
Less than 325 mesh |
3 |
|
Iron titanium alloy |
80 mesh |
moderate |
Less than 325 mesh |
4 |
|
glass fibre |
Fibrous like |
moderate |
Less than 325 mesh |
1 |
|
fluorite |
100 eyes |
moderate |
Less than 325 mesh |
2 |
|
Sodium Glass |
lump |
low |
Less than 325 mesh |
3 |
|
graphite |
Fibrous like |
low |
Less than 325 mesh |
1 |
|
oil shale |
60 eyes |
low |
Less than 325 mesh |
2 |
|
phosphate |
5 millimeters |
low |
Less than 325 mesh |
1 |
|
silicon dioxide |
10 eyes |
moderate |
Less than 325 mesh |
1 |
|
Blast furnace slag |
lump |
high |
Less than 325 mesh |
4 |
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