Stone wear test machine test requirements and methods - Database & Sql Blog Articles

Stone wear tester test requirements and methods

Test requirements:

There are four samples in each group. length. Width size is

50m

m

±

0.5mm

, thickness is

15mm

-55mm

, the edge of the sample to be worn should be rounded to a radius of approximately

0.8mm

radian.

When testing, the test piece should be placed at a temperature

105

°C±

2

The test was carried out after cooling to room temperature in a desiccant in a thermostatic dry oven at °C.

experiment method:

1

The quality of the drying test is accurate to

0.02g

,

Then put it into the wear test machine to match

GB/T2479-1996

Standard requirement granularity is

0.25mm

White fused alumina is used as an abrasive and ground on a grinding disc

225

After the transfer, remove the sample and brush the dust, saying that the quality is accurate to

0.02g

.

2

Put the sample in the water

1h

After taking out, dry the surface with a damp cloth and weigh it. press

GB/T 9966.3-2001

The provisions calculate the bulk density. Since the humidity will affect the grinding effect, for example, the sample has a higher grinding rate when the humidity is higher, it is recommended that the test be in relative humidity (

30-40

)

%

In between.

3,

Clean the surface after the test is completed

,

Covered dust cover

.