Mmalite ezi uche dị na ya na amata ụkpụrụ eri

Kedu ihe ị maara maka eriri igwe arụpụtara?

N'ebe a na-eji ígwè ọrụ eme ihe, "eriri" na-ezo aka n'elu ugwu na ndagwurugwu dị n'elu akụkụ cylindrical, nke na-enyere ya aka ijikọ ya na akụkụ ọzọ ma ọ bụ jiri ya na-ebufe mmegharị ma ọ bụ ike. Nkọwa na ụkpụrụ maka eriri igwe arụpụtara na-abụkarị kpọmkwem maka ụlọ ọrụ na ngwa a na-ajụ ajụjụ. Na United States, a na-akọwakarị eriri igwe site n'ụkpụrụ ndị otu dị ka American National Standards Institute (ANSI) na American Society of Mechanical Engineers setịpụrụ. (ASME). Ụkpụrụ ndị a na-akọwapụta profaịlụ eri, pitch, klaasị ndidi, na ihe ndị ọzọ maka ụdị eriri dị iche iche.

Otu n'ime ụkpụrụ ama ama maka eriri igwe eji arụ ọrụ bụ Unified Thread Standard (UTS), nke a na-eji maka eriri dabere na inch. UTS na-akọwa usoro eri dị iche iche, dị ka Unified Coarse (UNC) na Unified Fine (UNF), ma na-enye nkọwa zuru ezu maka akụkụ eri, ndidi na aha. Maka eriri metric, ọkọlọtọ ISO metric screw thread (ISO 68-1) a na-ejikarị eme ihe. Ọkọlọtọ a na-ekpuchi profaịlụ metric metric, thread pitch, klaasị ndidi, yana nkọwa ndị ọzọ metụtara ya. Ọ dị mkpa ịtu aka na ụkpụrụ na nkọwapụta dị mkpa na ụlọ ọrụ na ngwa ị na-arụ ọrụ iji kwe nkwa nhazi na imepụta eri arụrụ nke ọma.

Kwa ụbọchị, ndị ọkachamara na-arụ ọrụ na igwe na-ezute ihe ndị nwere eri. N'agbanyeghị nkọwapụta ha-ma ọ bụ metric ma ọ bụ eze ukwu, ogologo ma ọ bụ tapered, akara ma ọ bụ ekpuchighị ya, n'ime ma ọ bụ mpụga, nwere profaịlụ 55-degree ma ọ bụ 60-ihe ndị a na-emebikarị ma mee ka ọ ghara ịdị na-arụ ọrụ oge. Ọ dị mkpa iji nyochaa ha nke ọma site na mmalite ruo n'isi. Taa, ndị otu Anebon ga-achịkọta nchịkọta na-atụ anya na ọ ga-abara onye ọ bụla uru.

1. Akara nkịtị

NPTbụ eriri ọkpọkọ ọkpọkọ nke America na-eji n'ozuzu ya nwere akụkụ profaịlụ 60°.

PTeri bụ eriri nke eze ukwu nwere eriri 55°, nke a na-ejikarị eme akara. Eriri ọkpọkọ Britain nwere eriri mara mma. N'ihi nnukwu ihe omimi nke eriri ndị na-adịghị mma, ọ na-ebelata ike nke ọkpọkọ dị n'èzí na-ebipụ.

PFeri bụ ihe yiri eriri maka ọkpọkọ.

Gbụ eriri ọkpọkọ akara nke ogo 55 na-enweghị eriri, nke ezi na ụlọ Whitworth. Ihe akara G na-anọchi anya eriri cylindrical, yana G bụ okwu izugbe maka eriri ọkpọkọ (Guan), na ọdịiche dị n'etiti ogo 55 na ogo 60 na-arụ ọrụ.

ZGa na-akpọkarị cone ọkpọkọ, nke pụtara na a na-edozi eri ahụ site na conical elu. A na-eme nkwonkwo ọkpọkọ mmiri n'ozuzu n'ụzọ dị otú a. A na-akara ọkọlọtọ mba ochie Rc.Pitch ka a na-eji egosipụta metric threads, ebe ọnụọgụ nke eri kwa inch na-eji maka eri America na British. Nke a bụ isi ihe dị iche ha. Eriri metric nwere profaịlụ nha nha nha 60-ogo, eriri Britain nwere profaịlụ isosceles dị ogo 55, na eriri America nwere profaịlụ ogo 60.

eri metricjiri nkeji metric, ebe eri America na British na-eji nkeji ala eze.

eriri ọkpọkọa na-ejikarị eme ihe maka ijikọ ọkpọkọ. A na-ejikọta eriri dị n'ime na nke dị n'èzí, ma e nwere ụdị abụọ: ọkpọkọ kwụ ọtọ na ọkpọkọ ọkpọkọ. Dayameta ọnụ ọgụgụ na-ezo aka na dayameta nke ọkpọkọ ejikọrọ. N'ụzọ doro anya, isi dayameta nke eri ahụ buru ibu karịa dayameta aha.

Oke ngwa na-ekpuchiakụkụ igwe cnc, cnc ntụgharị akụkụ nacnc egwe ọka akụkụ.

1/4, 1/2, na 1/8 na-anọchite anya dayameta aha nke eri inch na inch.

2. Ụkpụrụ obodo dị iche iche

1. Ịdị n'otu inch usoro eri

A na-ejikarị ụdị eri a eme ihe na mba ndị na-eji usoro inch ma kewaa ya n'ime usoro atọ: usoro erighị nke ọma UNC, usoro nke ọma UNF, extra fine thread series UNFF, na fix pitch series UN.
Usoro akara:Dayameta eri—ọnụọgụ eri kwa inch usoro koodu—ọkwa ziri ezi.

Ọmụmaatụ:Usoro eriri 3/8—16UNC—2A; Usoro nke ọma 3/8—24UNF—2A; Usoro erimeri nke ọma 3/8—32UNFF—2A;

Usoro pit etinyere 3/8—20UN—2A. Ọnụọgụ mbụ 3/8 na-egosi dayameta mpụta nke eri na sentimita. Iji tọghata na metric unit mm, mụbaa site na 25.4, nke hà 9.525mm; nke abụọ na nke atọ mkpụrụ 16, 24, 32, na 20 na-anọchi anya ọnụ ọgụgụ nke ezé kwa inch (ọnụọgụ nke ezé na ogologo nke 25.4mm); Koodu ederede ka akara nke atọ gachara, UNC, UNF, UNFF, UN, bụ koodu usoro, na mkpụrụ ọnụọgụ abụọ ikpeazụ, 2A, na-egosi ọkwa ziri ezi.

Ngbanwe nke eriri cylindrical 2.55°
Eriri ọkpọkọ cylindrical ° 55 sitere na usoro inch mana a na-ejikarị ya na mba metric na inch. A na-arụ ya maka ijikọ njikọ ọkpọkọ, ibufe mmiri mmiri na gas, na ịwụnye wires. Otú ọ dị, mba dị iche iche nwere koodu dị iche iche, ya mere ọ dị mkpa iji gbanwee koodu mba ọzọ na koodu Chinese site na iji tebụl (tebụ tụnyere) nyere. A na-egosi koodu eriri eriri cylindrical 55 ° nke mba dị iche iche na tebụl dị n'okpuru.

Ngbanwe nke eriri ọkpọkọ tapered 3.55°
55° tapered eriri eriri pụtara na eri profaịlụ akụkụ bụ 55° na eri nwere taper nke 1:16. A na-eji usoro eri a eme ihe n'ọtụtụ ebe n'ụwa, na aha koodu ya dịgasị iche iche site na mba ruo na mba.

4.Ntụgharị nke eriri ọkpọkọ 60 ° tapered

60° tapered eriri eriri na-ezo aka na eriri ọkpọkọ nwere akụkụ profaịlụ nke 60° na eriri eriri nke 1:16. A na-eji usoro eri a eme ihe n'ụlọ ọrụ igwe akụrụngwa nke obodo m na United States na nke bụbu Soviet Union. Aha koodu ya, China na-akọwapụta ya dị ka K, mechara kọwaa ya dị ka Z, ma ugbu a ọ gbanwere ka ọ bụrụ NPT. Lee tebụl ntụnyere koodu eri n'okpuru.

Ntụgharị trapezoidal 5.55°
Eriri trapezoidal na-ezo aka na eriri trapezoidal metric nwere akụkụ profaịlụ nke 30°. Usoro nke eri a bụ otu n'ime ụlọ na mba ọzọ, na koodu ha na-agbanwekwa agbanwe. E gosipụtara koodu eri ahụ na tebụl dị n'okpuru.

3. Nhazi nke eriri

Dabere na ojiji nke eriri dị iche iche, enwere ike kewaa ha n'ime:

1. Sistemụ eriri metric nke mba ụwa

The eri nakweere nke obodo m ọkọlọtọ CNS. N'elu eze ahụ dị larịị ma dị mfe ịtụgharị, ebe ala eze na-eme ka arc na-eme ka ike nke eri ahụ dịkwuo ike. The eri n'akuku bụ 60 degrees, na nkọwapụta na-egosipụta na M. Metric eri nwere ike kewara abụọ ụdị: keadighi rarii eri na ezi eri. Nnọchite anya dị ka M8x1.25. (M: koodu, 8: dayameta ọnụ ọnụ, 1.25: pitch).

2. American Standard Thread

N'elu na mgbọrọgwụ nke eri ahụ dị larịị ma nwee ike ka mma. Nkuku eri ahụ bụkwa ogo 60, na nkọwapụta ya na-egosipụta na eriri kwa inch. Enwere ike kewaa ụdị eri a ụzọ atọ: eri siri ike (NC); eri ọma (NF); Eriri nke ọma (NEF). Ihe nnọchi anya dị ka 1/2-10NC. (1/2: dayameta mpụta; 10: ọnụ ọgụgụ ezé kwa inch; NC code).

3. eri ejikọtara ọnụ (UnifiedThread)

Ndị United States, United Kingdom na Canada jikọtara ọnụ, ọ bụ eriri Britain a na-ejikarị.
Akụkụ eriri ahụ bụkwa ogo 60, na nkọwapụta ya na-egosipụta na eriri kwa inch. Enwere ike kewaa ụdị eri a ka ọ bụrụ eri siri ike (UNC); eri ọma (UNF); extra fine thread (UNEF). Ihe nnọchi anya dị ka 1/2-10UNC. (1/2: dayameta mpụta; 10: ọnụ ọgụgụ ezé kwa inch; koodu UNC).

eri nwere ụdị 4.V (Sharp VThread)

N'elu na mgbọrọgwụ bụ ndị a kapịrị ọnụ, adịghị ike na ike, na-ejikarị eme ihe. The eri akụkụ bụ 60 degrees.

5. Whitworth eri

Ndị British National Standard kọwara ụdị eri a. Ọ nwere akụkụ eriri nke ogo 55 ma akara ya bụ "W". Ezubere nke ọma maka usoro mmepụta ihe, a na-egosipụtakarị ya dị ka W1 / 2-10 (1/2: dayameta elu; 10: ọnụ ọgụgụ ezé kwa inch; W koodu).

6. Eriri okirikiri (KnuckleThread)
Ụdị eriri ọkọlọtọ a, nke German DIN guzobere, dabara nke ọma maka ijikọ ọkụ ọkụ na tubes roba. A na-egosi ya site na akara “Rd”.

7. eriri ọkpọkọ (PipeThread)
Ezubere iji gbochie ntapu, a na-ejikarị eriri ndị a jikọọ gas ma ọ bụ ọkpọkọ mmiri mmiri. Site na eriri eri nke ogo 55, enwere ike kewaa ha n'ime eriri ọkpọkọ kwụ ọtọ, nke a maara dị ka "PS, NPS", na eriri ọkpọkọ tapered, nke a maara dị ka "NPT". Taper bụ 1:16, nke dabara na 3/4 inch kwa ụkwụ.

8. Square Eriri
N'igosipụta arụmọrụ mgbasa ozi dị elu, nke abụọ na eriri bọọlụ, a na-ejikarị ụdị eri a maka skru vise na eriri crane. Otú ọ dị, njedebe ya dabere na enweghị ike imezi ya na akị mgbe ọ yichara.

9. Eriri trapezoidal
A na-akpọkwa eriri Acme, ụdị a na-enye arụmọrụ nnyefe dị ntakịrị karịa eriri square. Otú ọ dị, ọ nwere uru nke ịbụ mgbanwe na anut mgbe eyi. Na usoro metric, eriri eriri bụ ogo 30, ebe n'ime usoro eze, ọ bụ ogo 29. A na-ejikarị maka skru ndu nke lathes, akara “Tr” nọchiri anya ya.

10.Eri Zigzag (ButtressThread)

A na-akpọkwa eriri rhombic, ọ dabara naanị maka nnyefe otu ụzọ. Dị ka skru jacks, pressurizers, etc. Akara bụ "Bu".

11. Eriri bọọlụ

Ọ bụ eri na kacha mma nnyefe arụmọrụ. O siri ike imepụta na ọnụ ahịa dị oke ọnụ. A na-eji ya na ígwè ọrụ nkenke. Dị ka ụzọ ịghasa nke CNC igwe ngwaọrụ naprototype machined akụkụ.

Nnọchianya nke bolts inch
LH 2N 5/8 × 3 - 13UNC-2A
(1) LH bụ eriri aka ekpe (RH bụ eri ziri ezi ma enwere ike ịhapụ ya).
(2) 2N eriri abụọ.
(3) eri 5/8 inch, dayameta mpụta 5/8 ”.
(4) 3 bolt ogologo 3 ".
(5) eri iri na atọ nwere eri iri na atọ kwa inch.
(6) UNC jikọrọ ọnụ ọkọlọtọ eri keadighi rarii eri.
(7) Ọkwa 2 dabara, eriri dị n'èzí (3: eriri siri ike; 2: ihe dị nfe; 1: adịghị mma) A: eri mpụga (nwere ike ịhapụ), B: eriri ime.

Eriri Imperial
A na-egosipụtakarị nha nke eriri eze ukwu site na ọnụọgụ nke eri kwa sentimita asatọ n'ogologo na eri ahụ, nke a na-akpọ "ọnụọgụ nke eri kwa inch", nke na-adakọ nhata nke ụda eri. Dịka ọmụmaatụ, eriri nwere eriri 8 kwa inch nwere ọkwa nke 1/8 inch.

Nchụso Anebon na ebumnuche ụlọ ọrụ bụ mgbe niile ka “na-egbo mkpa ndị ahịa anyị mgbe niile”. Anebon nọgidere na-enweta na ịke na chepụta dị ịrịba ama elu-edu ngwaahịa maka onye ọ bụla anyị ochie na ọhụrụ ahịa na iru a mmeri-emeri atụmanya maka Anebon si azụ ahịa yana anyị maka Original Factory Profaịlụ extrusions aluminum,cnc tụgharịrị akụkụ, cnc egwe ọka naịlọn. Anyị ji ezi obi na-anabata ndị enyi na-ere ahịa azụmaahịa wee malite imekọ ihe ọnụ na anyị. Anebon nwere olile anya na ya na ezigbo ndị enyi ya na ụlọ ọrụ dị iche iche ga-emekọrịta aka iji mepụta ogologo oge na-egbuke egbuke.

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