Flat head drill tail self drilling screw 410 igwe anaghị agba nchara countersunk onwe tapping onwe mkpọpu ịghasa igwe anaghị agba nchara dovetail ịghasa

Ọ bụrụ na ị nwere ike mbụ ịghọta n'ibu Njirimara nke kposara mgbe ị na-eji ha, ị nwere ike mma iji ha. Ụdị ihe nkedo dị iche iche nwere ihe eji arụ ọrụ dị iche iche, na ihe ndị dị iche iche na-emepụta ihe na-eme ka oge dị iche iche na-eji kposara.
1, Self tapping kposara: n'ibu arụmọrụ chọrọ
1. Obi siri ike: ụkpụrụ ọkọlọtọ HRC28-38. Mgbe ị na-anwale, were akụkụ 1-2 ugboro dayameta aha site na ọdụ ahụ. Ọ bụrụ na ogologo aha aha dị mkpụmkpụ, enwere ike ibu ụzọ tinye ya wee tụọ ike ya.
2. Isi ike nke elu: Standard MIN HV450.
3. Carbonized oyi akwa: Standard 4 # -6 #: 0.05-0.18mm, 8 # -12 #: 0.10-0.23mm, 14 #: 0.13-0.28mm. Ebumnuche bụ isi nke carburization bụ ịkwalite ike ike elu ma hụ na ike nke ezé. Ọ bụrụ na decarburization dị omimi na carburization ezughị ezu, ike nke ezé agaghị emezu ihe ndị a chọrọ, nke pụtara na ezé ga-emebi n'oge ịghasa na ule.
4. Torque: Standard nkọwa 4 # 5 # 6 # 7 # 8 # 10 # 12 # 14 # A ezé 14212835455696145AB ezé 142128354565102165.
5. Kpọchie na ule: Kpochie ịghasa nke onwe ya n'ime efere ígwè nwere oghere ule echekwara. Ihe nkedo nke onwe ya kwesịrị ịmepụta eriri dabara na efere ule, na eri nke screw n'onwe ya ekwesịghị imebi ma ọ bụ mebie ya ruo mgbe eriri njedebe na-agafe kpamkpam na efere ule. The ịghasa na ule bụ naanị na ọdabara na onwe tapping kposara nke ụdị AB, B, BP, wdg Dị ka IFI ụkpụrụ, ule efere kwesịrị ịdị njikere si ọkara ike obere carbon oyi akpọrepu ígwè na Rockwell hardness nke 70-85HRB. E gosipụtara ụkpụrụ ọkọlọtọ maka efere ígwè, gụnyere ọkpụrụkpụ, na tebụl dị n'okpuru. Ekwesịrị ịkụ ọkpọ ma ọ bụ gbapuo oghere ule, yana nnabata nke ± 0.025mm maka dayameta aha aha akọwapụtara (lee okpokoro n'okpuru). Nkọwapụta 6 # 7 # 8 # 10 # 12 # 1/4 nnwale efere ọkpụrụkpụ (mm) 1.85-1.953.12-3.234.68-4.84 oghere (mm) ± 0.0252.953.263.454.044.765.50.
2, Wall panel mbọ
1. Obi ike: ọkọlọtọ: HRC24-45.
2. Isi ike nke elu: ọkọlọtọ: HV600-800.
3. Carbonized oyi akwa: 4 # -6 # 0.05-0.18mm, 8 # -12 # 0.10-0.23, 14 # 0.13-0.28.
4. Bending ogo: achọrọ ka ọ bụrụ 150-450
5. Nnwale ịgba nnu: na-abụkarị MIN 48 awa.
6. Torque: Nkọwapụta 6 # 7 # 8 # 10 # Torque 21283558.
3. Kpochapụ ọdụ ọdụ
1. Obi ike: Ọkọlọtọ: HRC32-40. A nwalela ngwaahịa ụlọ ọrụ anyị nwere HRC31.7-39.0.
2. Isi ike nke elu: ọkọlọtọ: HV600-700. A nwalere ngwaahịa ụlọ ọrụ anyị ka ọ dị gburugburu HV620.
3. Mpempe oghere: 4 # -6 #: 0.05-0.18mm 8 # -12 #: 0.10-0.23mm