FIELD: process engineering.
SUBSTANCE: invention relates to machine building, particularly, to electric-spark hardening of steel surfaces and may be used to up wear resistance of friction surfaces in master parts and tools. Proposed method comprises electric-spark alloying of steel surface. Here, oxygen is fed into space between alloying electrode made from BK6M-grade hard alloy and processed surface. Note that pulse power E = 0.25 J, voltage amplitude U = 48 V at pulse frequency of 400 Hz, discharge duration τ = 120 mcs, duration of processing - 1-2 min/cm2.
EFFECT: higher efficiency of hardening, wear resistant and antifriction properties.
1 tbl, 1 ex
| Title | Year | Author | Number |
|---|---|---|---|
| ELECTRIC SPARK HARDENING AND RECLAIMING OF STEEL SURFACES | 2010 |
|
RU2440873C1 |
| METHOD OF REINFORCEMENT COATING APPLICATION | 2013 |
|
RU2545858C1 |
| METHOD TO APPLY DOUBLE-LAYER COATINGS | 2010 |
|
RU2463391C2 |
| METHOD OF INCREASING WEAR-RESISTANCE OF WORKING SURFACES OF STEEL RING OF PULSE MECHANICAL SEALS | 2015 |
|
RU2631439C2 |
| METHOD FOR PROCESSING BRONZE INSERTS OF SLIDING BEARINGS (OPTIONS) | 2021 |
|
RU2765925C1 |
| METHOD OF APPLYING WEAR-RESISTANT COATINGS BASED ON ALUMINUM AND YTTRIUM OXIDE ON SILUMIN | 2020 |
|
RU2727376C1 |
| PERFECTION OF CONFORMABILITY OF FRICTION PAIR "BEARING INSERT - SHAFT JOURNAL" | 2012 |
|
RU2528070C2 |
| PROCESSING METHOD OF PLAIN BEARING LINERS | 2009 |
|
RU2404378C1 |
| METHOD OF SULPHOCEMENTATION OF STEEL PARTS | 2018 |
|
RU2707776C1 |
| SPARK-EROSION ALLOYING OF STEEL PART SURFACES | 2012 |
|
RU2524471C2 |
