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Sling Angle Ekosa Etya Obusobozi Bwa Flat Sling?
Ewaka » BLOG » Amawulire ga Kkampuni » Sling Angle Ekosa Etya Obusobozi bwa Sling Flat?

Sling Angle Ekosa Etya Obusobozi Bwa Flat Sling?

Okulaba: 0     Omuwandiisi: Omuwandiisi w'omukutu Obudde bw'okufulumya: 2026-08-05 Ensibuko: Ekibanja

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Ttiimu ya rigging esitula ekyuma ekiweza ttani 3 nga bakozesa eky’amagulu abiri sling empanvu . Buli kigere kya sling kibalirirwamu ttani 2. Omugugu gulabika nga guli mu busobozi obulungi —ttani 4 zonna awamu, nedda? Naye amagulu ga sling gasaasaanyizibwa mu 45° angle. Omulabirira rigging amanyi ekituufu: buli kigere kati kisitula ttani 2.1 —okusukka obusobozi bwayo obugereddwa.

 

ekiwujjo ekipapajjo1.png

Ensonga eno etera okubaawo okusinga abakugu mu by’obufere abasinga obungi bwe bafaayo okukkiriza. Enkoona y’okusitula sling y’emu ku nsonga ezisinga obukulu —era ezitera okutegeerwa obubi —mu mirimu gy’okusitula mu ngeri ey’obukuumi.

 

Lishenflex  emaze emyaka egisukka mu makumi abiri ng’ekola ebyuma ebiyitibwa synthetic flat slings, era obumanyirivu bwaffe mu nnimiro bulaga nti okubala obubi mu nkoona kye kisinga okuvaako sling okutikka ennyo n’okulemererwa. Okutegeera enkolagana wakati wa sling angle n’obusobozi kyetaagisa nnyo eri buli rigger, supervisor, n’omukugu mu by’okwerinda.

 

 

Lwaki Sling Angle Kikulu

Bwe bakozesa sling empanvu  mu lift eyeesimbye, engolokofu, obusobozi obujjuvu obugereddwa bubaawo. Kyokka, amagulu g’essling bwe gasaasaana —ka kibeere mu kisero ekikwata oba mu kusitula amagulu amangi —okusika omuguwa mu buli kigere kweyongera. Enkoona wakati w’ekigere kya sling n’eky’okwebungulula gy’ekoma okuba entono (oba enkoona wakati w’amagulu gy’ekoma okuba ennene), okusika omuguwa gye kukoma okuba waggulu.

 

Okuyingira kwa Wikipedia ku slings  kunnyonnyola nti Working Load Limit (WLL) ya sling ewandiikiddwa ku sling era etwala okusitula okwesimbye. Sling bwekozesebwa mu nkoona, WLL erina okukendeezebwa, era obusobozi obugereddwa bukendeera nga enkoona wakati w’amagulu g’engoye yeeyongera.

 

Omutindo gwa EN 1492-1  gulaga ensonga ezikendeeza ku busobozi ku slings ezipapajjo ezikozesebwa mu nsengeka ez’enjawulo ez’okusiba:

 

Ensengeka ya Hitch

Ensonga y’Obusobozi

Okugeza: 2t Sling WLL

Ensimbye/Egolokofu

1.00

2.00 t

Choke Hitch, omusajja

0.80

1.60 t

Ekisero (0°–45° enkoona y’amagulu) .

1.40

2.80 t

Ekisero (45°–60° enkoona y’amagulu) .

1.00

2.00 t

Source: EN 1492-1 ensonga z’obusobozi bwa sling eziriko webbing empanvu

 

ASME B30.9  egaba obulagirizi obufaananako bwe butyo, nga kyetaagisa obusobozi obugereddwa okukendeezebwa nga slings zikozesebwa mu nkoona oba mu nsengeka z’amagulu amangi. Okusinziira ku Wikipedia's 'Ultraviolet' entry , ebiwuzi ebikoleddwa nga polyester nabyo bitera okuvunda mu UV okumala ekiseera, ekiyinza okwongera okukendeeza ku busobozi-ekifuula okubala enkoona okuba ekikulu ennyo eri slings ezikozesebwa ebweru.

 

Fizikisi ya Sling Angle

Enkolagana wakati wa sling angle ne tension efugibwa enkola ennyangu:

 

Okusika ku buli kigere = (Obuzito bw’omugugu ÷ Omuwendo gw’amagulu) × Ensonga y’enkoona

 

Ensonga y’enkoona ebalwa nga: 1 ÷ sin(θ) —nga θ ye nkoona wakati w’ekigere ky’engoye n’ennyonyi eyeesimbye.

 

Enkoona okutuuka ku Horizontal (θ) .

Ensonga y’enkoona (1/sin θ) .

Tension buli kigere ku mugugu gwa ttani 2, amagulu 2

90° (eyimiridde) .

1.00

1.00 t

75°

1.04

1.04 t

60°

1.16

1.16 t

45°

1.41

1.41 t

30°

2.00

2.00 t

15°

3.86

3.86 t

10°

5.76

5.76 t

Ensibuko: ASME B30.9 okubala ensonga y’enkoona

 

Nga ekipande bwe kiraga, enkoona bw’egenda ekendeera, okusika omuguwa mu buli kigere kweyongera nnyo. Ku 30°, okusika kusukka emirundi ebiri omugugu ogwesimbye buli kigere. Ku 10°, kumpi emirundi mukaaga egy’omugugu ogwesimbye. Kino kitegeeza nti ekisero ekiwanvu ekya ttani 2 ku 30° kisobola okutwala ttani emu yokka mu ngeri ey’obukuumi —ekitundu ky’obusobozi bwayo obugereddwa.

 

Okugezesebwa kwa Lishenflex mu laabu kukakasa nti slings ezikozesebwa ku shallow angles zifuna stress esingako nnyo ku choke point ne eye attachments, okwanguya okwambala n’okwongera ku bulabe bw’okulemererwa.

 

Slings ez’amagulu amangi n’ensonga z’enkoona

Bw’oba ​​okozesa ebisiba ebirina amagulu amangi (amagulu 2, amagulu 3, oba amagulu 4), ensonga y’enkoona erina okuteekebwa ku buli kigere. Okusinziira ku Encyclopedia Britannica’s entry on simple machines , enkizo y’ebyuma mu sling ekosebwa geometry y’okusitula —enkoona empanvu zikendeeza ku busobozi obulungi obw’okusitula.

 

Enkola esengekeddwa ku kusitula amagulu amangi:

 

1. Pima enkoona  wakati wa buli kigere kya sling n’eky’okwebungulula.

 

2. Laga ensonga y’enkoona  okuva ku mmeeza (1/sin θ).

 

3. Bala okusika ku buli kigere = (Omugugu ÷ Omuwendo gw’amagulu) × Ensonga y’enkoona.

 

4. Kakasa nti okusika kwa buli kigere  tekusukka WLL eya sling ewereddwa.

 

Omukutu gwennyini ogw'okukozesa ogwa flat sling.png

Ensobi za Angle eza bulijjo

Ensobi ssatu ezisinga okukolebwa mu ngeri ya ‘angle’ mu kukola ‘flat sling rigging’ ze zino:

 

1. Overlooking Angle Nga Okubala Obusobozi bwonna awamu

 

Ensobi eya bulijjo kwe kwongerako WLLs za buli kigere kya sling nga tokozesa nsonga za angle. Okugeza, slings bbiri eza ttani 2 teziwa ttani 4 za busobozi ku 45° —ziwa ttani 2.8 zokka (2 × 2t × 0.7 angle factor).

 

2. Okukozesa Enkoona ya Reference Enkyamu

 

Abamu ku ba rigger bapima enkoona eri wakati w’amagulu g’engoye okusinga enkoona eri wakati w’ekisero n’eky’okwebungulula. Emmeeza y’ensonga y’enkoona yeesigamiziddwa ku nkoona okutuuka ku nneekulungirivu. Enkoona erimu wakati w’amagulu ekubisaamu emirundi ebiri enkoona okutuuka ku nneekulungirivu.

 

Ebiwandiiko eby’amangu:

 

90° nga mulimu enkoona = 45° okutuuka ku bbanga

 

120° nga mulimu enkoona = 60° okutuuka ku horizontal

 

30° nga mulimu enkoona = 15° okutuuka ku bbanga

 

3. Okubuusa amaaso Okukendeeza ku Busobozi mu Basket Hitches

 

Mu basket hitches, amagulu gombi gagabana omugugu, naye enkoona ekyakola. Ensonga y’obusobozi bw’ekisero ekikwata ekisero nga kiriko enkoona y’amagulu eya 45° eri 1.4 —si 2.0. Emmeeza eri mu EN 1492-1 egaba ensonga entuufu.

 

Okukebera n’okukakasa

Obulagirizi bwa OSHA ku nkozesa y’omusipi mu ngeri ey’obukuumi  bwetaagisa nti enkoona y’okuziyira n’enkoona y’amagulu g’engoye birowoozebweko nga basalawo obusobozi obugereddwa. Okusingira ddala, omugugu ogugereddwa ku sling mu choke hitch gukola kasita enkoona ya choke eba diguli 120 oba okusingawo. Ku nkoona za choke ezitasukka diguli 120, omugugu ogugereddwa gulina okukendeezebwa.

 

Per ASME B30.9 , okubala obusobozi kulina okukakasibwa omuntu alina ebisaanyizo nga buli lifuti tennabaawo. Okukebera enfunda eziwera kulina okukakasa nti obubonero bwa sling busoma, kubanga WLL yeetaagibwa okubala emigugu egy’obukuumi ku nkoona.

 

Emisingi emikulu egy’okuggyawo wansi wa ASME B30.9 egiyinza okukosa obusobozi bw’enkoona:

 

Ekiwandiiko ekibula oba ekitasoma —nga tewali WLL, okubalirira kw’enkoona tekuyinza kukolebwa

 

Obujulizi bw’okwonooneka kwa UV (okuzikira, okukaluba)—bukendeeza ku busobozi okusukka ensonga z’enkoona

 

Okwonooneka okulabika okukendeeza ku bugazi obukola —okukosa obusobozi obusigadde

 

Mu bufunze n’ebiteeso eby’omugaso

Enkoona ya sling y’emu ku nsonga enkulu ezikosa obusobozi bwa sling empanvu. WLL eriko ekipimo kya sling yeesigamiziddwa ku kusitula okwesimbye, era obusobozi bulina okukendeezebwa nga ekozesebwa mu nkoona.

 

Ebikulu ebigenda okutwalibwa:

 

1. Tokozesangako mugatte gwa WLL nga tokozesezza nsonga za nkoona —okusika kweyongera nga enkoona ekendeera

 

2. Pima enkoona eri ku bbanga, so si enkoona eri wakati w’amagulu

 

3. Laba emmeeza z’obusobozi ku nsengeka z’ekisero, choke, n’amagulu amangi

 

4. Kebera sling tags  okukakasa nti WLL esoma —awatali yo, okubalirira kwa angle tekuyinza kukakasibwa

 

5. Lowooza ku nsonga z’obutonde —UV n’ebbugumu bisobola okukendeeza ku busobozi okusukka ensonga z’enkoona

 

Lishenflex  ekola ebisiba ebiwanvu ebiyitibwa polyester flat slings nga biriko obubonero obulaga obusobozi obulaga langi ezitegeerekeka obulungi, nga bituukana n’omutindo gwa EN 1492-1 ne ASME B30.9. Tuwa ebikozesebwa ebijuliziddwa ku nsonga y’enkoona n’okutendekebwa mu kifo okukakasa nti ttiimu yo esobola okubala emigugu egy’obukuumi mu butuufu.

 

Lishenflex9.jpg nga bwe kiri

Bw’oba ​​weetaaga obuyambi okubala emigugu egy’okukola egy’obukuumi ku geometry yo ey’okusitula —oba nga weetaaga obuyambi okuzuula oba slings zo eziriwo kati zisaanira okusitula mu nkoona —nsaba oweereze email ku sales@lishenflex.com , era ttiimu yaffe ey’ekikugu ejja kuwa obuyambi obw’omuntu ku muntu.

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