Ọdịnihu-Ụdị Otu Screw

A na-eme otu ịghasa ụdị nwayọọ nwayọọ a site na ígwè 38CrMoAla. Akụrụngwa dị oke mkpa maka ịghasa arụmọrụ, anyị na-ahọrọ nchara siri ike na nke na-eguzogide ọgwụ sitere n'aka ndị na-emepụta nchara China a ma ama nke na-emezu ụkpụrụ mba (GB/T 3077).

Nke Nanhaiya tgradual-ụdị otu ịghasa extruders na-ekewa n'ime akụkụ atọ dabere na ọrụ ha. Omimi nke ọjà dị na ngalaba nke ọ bụla na-ebelata n'usoro n'enweghị mgbanwe mberede pụtara ìhè, na-emepụta nhazi nke ọma, "nwayọọ nwayọọ".

Ngalaba ndepụta na-abụkarị 20%-30% nke ogologo ịghasa. Ngalaba mkpakọ, akụkụ nke etiti nke ịghasa, na-aza maka akụkụ kachasị (40% -50%) na bụ isi nke nhazi nwayọọ nwayọọ. Omimi ọjà na-amalite na oke ya na ngalaba ndepụta ma jiri nwayọọ nwayọọ na-ebelata n'ogologo nke ịghasa, na-akpụ "mpaghara mkpakọ."

The homogenization ngalaba n'ihu mixes na agitates na agbaze, huu edo gbazee okpomọkụ na viscosity. A na-ebunye ihe ahụ n'isi onye nwụrụ anwụ na nrụgide kwụsiri ike na ọnụego na-asọpụta, na-eme ka ọ dị mma na-agbanwe agbanwe nke ngwaahịa extruded.

Otu ụdị ịghasa orù nke Nanhaiya enweela ọtụtụ R&D na ndozi yana ugbu a etinyere n'ahịrị mmepụta nke ndị nrụpụta dị iche iche, na-enweta arụmọrụ ọgbara ọhụrụ. Anyị na-enye akwụkwọ ikike afọ 1-2, dabere na nha mgbakwunye ihe akọwapụtara. Orù Nanhaiya na-enweta usoro nitriding, yana akwa akwa nickel-tungsten alloy gbara 0.8 ~ 2m n'akụkụ ebe kachasị eyi uwe. Nke a na-abawanye ike nke gbọmgbọm ahụ bụ HRC55 ~ 62, na-ebuli nguzogide iyi site ugboro 2-3.

Nka nka

Njirimara na Ngwa

Ụdị nke nta nke nta nke Nanhaiya nwere atụmatụ nhazi ọkwa atọ nwere nkewa arụ ọrụ akọwapụtara nke ọma. Enwere ike ịhazi usoro usoro kwekọrọ (okpomọkụ, ọsọ na nrụgide azụ) n'ụzọ ezi uche dị na ya, na-eme ka ọrụ dị mfe karịa iji kposara pụrụ iche.

Mfe njikwa okpomọkụ: Ntọala okpomọkụ nke ọkwa atọ na-agbaso ụkpụrụ "mmụba gradient". Ngalaba nri nwere okpomọkụ kachasị dị ala (naanị achọrọ iji mee ka ihe dị nro dị nro, dị ka 50-80 ° C maka nhazi PE), akụkụ mkpakọ ji nwayọọ nwayọọ na-abawanye na okpomọkụ (iji ruo ebe mgbaze, dị ka 160-180 ° C maka PE), na akụkụ homogenization na-edozi na ebe mgbaze (dị ka 180-200 ° C maka PE). Achọghị mgbanwe ọnọdụ okpomọkụ dị mgbagwoju anya.

Njikọ Linear n'etiti Ọsọ na Mpụta: N'ime oke ọsọ ezi uche dị na ya (nke na-abụkarị 30-150 rpm), mmepụta na-abawanye ihe dịka linearly na ọsọ ọsọ, na-ewepụ mkpa maka mgbanwe nkwụghachi ụgwọ ugboro ugboro. Nke a na-eme ka ọ dị mma maka ndị na-arụ ọrụ novice ma na-eme ka mmepụta buru ibu na-aga n'ihu ma kwụsie ike (dịka 24-hour extrusion nke ọkpọkọ na ihe nkiri).

Ala azụ mgbali chọrọ: The ịghasa groove omimi na homogenization ngalaba bụ mgbe niile na-emighị emi, na naanị a ot mgbali azụ nke 3-8 mmanya a chọrọ iji hụ na agbaze edo edo. Nrụgide azụ dị ukwuu ga-abawanye torque ịghasa, na-abawanye ike oriri, na ọbụna mee ka agbazekwa ekpo oke ọkụ, na oke usoro "nnweta" dị elu.

The gradual-type one screw extruder dabara adaba maka imepụta ihe nkiri PE (polyethylene) (dị ka ihe mkpuchi nri, akpa ịzụ ahịa ụlọ ahịa, na akpa nnyefe mmiri na-ekpuchi mmiri), PP (polypropylene) teepu strapping, na PVC (polyvinyl chloride) ihe nkiri na-ekpo ọkụ. Ọ nwekwara ike ịmepụta ọkpọkọ mmiri nke PVC, ọkpọkọ mmiri PPR, ọkpọkọ gas PE, na profaịlụ windo plastik. Ọ nwekwara ike ịmepụta basins plastik PE, bọket plastik PP, ọkpọkọ eriri PVC, na igbe nchekwa plastik. Ọ nwekwara ike pelletize PE na PP ihe eji emegharị ma mepụta ọkpọkọ PE jupụtara na ihe ruru 10% calcium carbonate.

Nkọwa ngwaahịa

Igwe ọkụ dị elu, nhazi nkenke, na usoro nitriding na-eme ka arụ ọrụ zuru oke nke ihe ndị bụ isi.

A na-eji akwa nickel-tungsten alloy na-eme ka mpaghara ndị na-adịghị ike nke ịghasa na gbọmgbọm dịkwuo ike, na-enweta akwa oyi akwa 0.8-2.0mm ma na-eme ka nguzogide eyi dịkwuo mma.