Ngwaahịa
PDC na-eme mkpọtụ nozzles
Mmepụta Mmepụta
Ngwunye carbide cimented bụ otu n'ime ihe ndị dị mkpa maka mgbanaka diamond, tungsten carbide drill bit nozzle na-etinye aka na mmiri, dị jụụ, na mmanu ntụzịaka nke ngwungwu ihe, na carbide nozzles nwekwara ike hichaa ibe nkume n'ime olulu mmiri site na igwu mmiri. mmiri mmiri na ọnọdụ ọrụ nke nrụgide dị elu, ịma jijiji, ájá na slurry na-emetụta n'oge mmanụ na gas na-atụ anya.Carbide nozzles nwekwara mmetụta nkewa hydraulic rock.Oghere a na-ahụkarị bụ cylindrical;ọ nwere ike ịmepụta nkesa nrụgide kwesịrị ekwesị n'elu nkume.
A na-ejikarị tungsten carbide nozzles eme ihe maka ihe na-egbu egbu na cone roller ibe n'ibe maka mmiri jụrụ oyi na ịsa apịtị, dị ka mkpọ ala nke ala gburugburu ebe obibi, anyị ga-ahọrọ dị iche iche mmiri eruba na oghere nha na udi nke tungsten nozzles.
Ụdị nke nozzles carbide
E nwere isi ihe abụọ nke carbide nozzles maka nkuku.Otu nwere eri, nke ọzọ enweghị eri.Carbide nozzles na-enweghị eri na-bụ nke a na-eji na roller bit, carbide nozzles na eri na-etinyere ukwuu n'ime na PDC drill bit.Dị ka mgbanaka ngwá ọrụ dị iche iche si dị, e nwere ụdị 6 nke eriri eriri maka ibe PDC:
1. Cross groove eri nozzles
2. Plum ifuru ụdị eri nozzles
3. Mpụta hexagonal eri nozzles
4. Ime hexagonal eri nozzles
5. Y ụdị (3 oghere / grooves) eri nozzles
6. gia wheel akuakuzinwo bit nozzles na pịa na-agbaji nozzles.
Ngwá ọrụ Kedel nwere ike imepụta ọtụtụ ụdị eriri nozzles maka olulu PDC na metric na eri eze.eri na-adịghị mma nke mba jikọtara ọnụ, eri mara mma, na eriri pụrụ iche gụnyere akara klaasị 3 ziri ezi, izi ezi kachasị na ọkọlọtọ America.Dị ka ihe ị chọrọ maka obere carbide, enwere ike ịhazi ya na mgbanwe mgbanwe.
Anyị nwere ike ọ bụghị naanị na-emepụta ọkọlọtọ tungsten carbide nozzles, ma anyị nwekwara ike ịmepụta nozzles ahaziri dị ka eserese ma ọ bụ sample.Nozzles dị n'ụdị dị iche iche na nchikota nha maka ọtụtụ ngwa mgbapu ala.A haziri akara ule a nwalere ubi anyị maka ịdị ike kachasị elu ma na-eyi nguzogide na ngwa ike dị elu.Anyị nwere ike ịgbakọ ọkwa ọkwa tungsten carbide pụrụ iche maka gị.Anyị nwere ahụmahụ iji mepụta ụdị dị iche iche na nha nke tungsten alloy nozzles.
Ọkwa ihe
| Ọkwa | Co(%) | Njupụta (g/cm3) | Isi ike (HRA) | TRS(NN/mm²) |
| YG6 | 5.5-6.5 | 14.90 | 90.50 | 2500 |
| YG8 | 7.5-8.5 | 14.75 | 90.00 | 3200 |
| YG9 | 8.5-9.5 | 14.60 | 89.00 | 3200 |
| YG9C | 8.5-9.5 | 14.60 | 88.00 | 3200 |
| YG10 | 9.5-10.5 | 14.50 | 88.50 | 3200 |
| YG11 | 10.5-11.5 | 14.35 | 89.00 | 3200 |
| YG11C | 10.5-11.5 | 14.35 | 87.50 | 3000 |
| YG13C | 12.7-13.4 | 14.20 | 87.00 | 3500 |
| YG15 | 14.7-15.3 | 14.10 | 87.50 | 3200 |
