Cutter picks wear comparison on rotary roadheader

2023-12-05 10:03:55

Explanation:Cutter picks provide by ZHUZHOU XINDA MACHINERY TECHNOLOGY CO LTD &XXXX company

Machine which use cutter picks: Rotary Roadheader 

Cutting Pick type: XINDA 30C wear-resistant cutter pick, XXXX company 30 diamond coated cutter pick (with alloy bean).

Rock condition: The whole coal seam is F10 grade pebbles.

Working condition: The tunnel is 5.2 meters high, 4 meters wide, driving upward, and the slope is 4°

Test process of cutter picks: Roadheader front cutter drum, a total of 48 pickles, a total of 30 new cutter picks installed in the front section of the cutting head, 15 XINDA cutter pick installed, 15 XXXX cutter picks installed.

Description about wear of cutter picks on a day

After the morning shift of 0.8 meters on September 12,2023, The wear of the two cutter picks shows that the alloy and the wear layer of the XINDA cutter picks wear evenly, which belongs to normal wear; XXXX company cutter picks appear individual partial wear, resulting in a certain degree of excessive wear of the alloy. No failed cutter pick replacement.

After the drilling of 1.6 meters in the middle class on September 12,2023, the two cutter picks had different degrees of wear, and they were normal losses. No failed cutter pick replacement.

On the night of September 12,2023, after the drilling of 1.6 meters, the two cutter picks have obvious losses, and the XINDA cutter picks are reflected in the wear layer and alloy losses, which belong to synchronous wear. XXXX company cutter picks are reflected in serious wear, partial wear, resulting in excessive alloy wear. Both manufacturers replaced the next failed cutter picks, and the replacement position was at the very front of the cutting head.

The test is done in three small classes.

Summary of cutter picks wear : In this test, XINDA cutter picks and XXXX company cutter picks have good results in this test. Relatively speaking, the main alloy wear of XINDA cutter picks and XXXX company cutter picks is similar, and the wear degree of XINDA cutter picks