Flat head drill mohatla self drilling screw 410 stainless steel countersunk self tapping self drilling screw stainless steel dovetail screw

Haeba u ka qala ho utloisisa thepa ea mochini oa li-screw ha u li sebelisa, joale u ka li sebelisa hamolemo. Mefuta e fapaneng ea li-screw e na le mekhoa e fapaneng ea mochini, 'me thepa e fapaneng ea mochini e fella ka linako tse fapaneng tseo ho tsona ho sebelisoang likurufu.
1, Li-screws tsa ho itlama: litlhoko tsa ts'ebetso ea mochini
1. Ho thatafala ha pelo: boleng bo tloaelehileng HRC28-38. Ha u etsa liteko, nka karolo ka makhetlo a 1-2 bophara ba lebitso ho tloha mohatleng. Haeba bolelele ba lebitso bo le bokhutšoanyane haholo, bo ka kenngoa pele ebe boima bo ka lekanyetsoa.
2. Ho thatafala ha sefahleho: Standard MIN HV450.
3. Lera la carbonized: Standard 4 # -6 #: 0.05-0.18mm, 8 # -12 #: 0.10-0.23mm, 14 #: 0.13-0.28mm. Morero o ka sehloohong oa carburization ke ho matlafatsa boima ba bokaholimo le ho netefatsa matla a meno. Haeba decarburization e tebile haholo 'me carburization e sa lekana, matla a meno a ke ke a finyella litlhoko, ho bolelang hore meno a tla senyeha nakong ea screw tekong.
4. Torque: Litlhaloso tse tloaelehileng 4 # 5 # 6 # 7 # 8 # 10 # 12 # 14 # A meno 14212835455696145AB meno 142128354565102165.
5. Iketsetse teko: Kenyelletsa screw self tapping ka har'a poleiti ea tšepe e nang le masoba a bolokiloeng a teko. Sekurufu sa self taper se lokela ho etsa khoele e nyallanang poleiting ea teko, 'me khoele ea screw ka boeona ha ea lokela ho senyeha kapa ho senyeha ho fihlela khoele ea ho qetela e feta ka botlalo poleiting ea teko. Sekurufu tekong se sebetsa feela ho li-screws tsa mefuta ea AB, B, BP, joalo-joalo. Ho ea ka melao ea IFI, poleiti ea teko e lokela ho lokisoa ho tloha ho tšepe e pholileng e nang le carbon e thata e nang le Rockwell hardness ea 70-85HRB. Litlhaloso tse tloaelehileng tsa lipoleiti tsa tšepe, ho kenyelletsa le botenya, li bontšitsoe tafoleng e ka tlaase. Likoti tsa liteko li lokela ho phunngoa kapa ho phunngoa, ka mamello ea ± 0.025mm bakeng sa bophara bo boletsoeng bo boletsoeng (sheba tafole e ka tlase). Tlhaloso 6 # 7 # 8 # 10 # 12 # 1/4 teko poleiti botenya (mm) 1.85-1.953.12-3.234.68-4.84 aperture (mm) ± 0.0252.953.263.454.044.765.50

2, lipekere tsa lebota la lebota
1. Ho thatafala ha pelo: standard: HRC24-45.
2. Ho thatafala ha sefahleho: Standard: HV600-800.
3. Lera la carbonized: 4 # -6 # 0.05-0.18mm, 8 # -12 # 0.10-0.23, 14 # 0.13-0.28.
4. Tekanyo ea ho khumama: e hlokehang ho ba 150-450
5. Teko ea ho fafatsa letsoai: hangata ke lihora tse MIN 48.
6. Torque: Tlhaloso 6 # 7 # 8 # 10 # Torque 21283558.
3、 Sekorufu sa mohatla oa cheka
1. Ho thatafala ha pelo: Standard: HRC32-40. Lihlahisoa tsa k'hamphani ea rona li lekiloe hore li na le HRC31.7-39.0.
2. Ho thatafala ha sefahleho: Standard: HV600-700. Sehlahisoa sa k'hamphani ea rona se lekiloe hore se haufi le HV620.
3. Permeation layer: 4 # -6 #: 0.05-0.18mm 8 # -12 #: 0.10-0.23mm