Lifting Slings Hnim Hnim Hman Hian A Him Em?

Rigging crew pakhat chuan ruah sur ni-ah lift an zo vek. Chumi lifting sling chu  a hnim a, mahse a lang tha hle. Crew te chuan storage locker ah an paih lut a, hna dang an thawk leh ta a ni. Kar hnih hnuah chuan sling chu an la chhuak a, rang takin an enfiah a, critical lift atan an hmang ta a ni. Sling chu a hlawhchham ta. Investigation-ah hian a chhan a lang: mildew lo thang lian leh fiber tihchhiat chu hnim taka dah a nih vang a ni.

 

He scenario hi rigging professional tam zawkin an pawm duh aia tam a ni. Industry kaihhruaina ang chuan sling hman emaw tihfai emaw a hnim chuan dah hmain air-dried vek tur a ni. Sling hnim dah hian mildew lo thang lian leh fiber tihchhiat a sawm a ni. Canadian Center for Occupational Health and Safety (CCOHS) chuan nylon slings hi a hnim chuan 10–15% zetin chakna a hloh tih a sawi belh a, mahse a vawt chuan a chakna a lo awm leh thin.

 

Lishenflex hian  kum sawmhnih chuang zet chu synthetic lifting slings a siam tawh a, kan field experience atanga a lan dan chuan slings a vawt dik lo hi a chhiatna leh a hun hmaa a chhiat chhan ngaihthah fo thin a ni. Sling integrity vawng reng tur leh him taka hman theih nan wet storage hlauhawmna hriatthiam hi a pawimawh hle.

 

Moisture hlauhawmna

Lifting slings hnim taka dah avanga hlauhawm ber berte chu:

 

Fiber Swelling leh Dimensional inthlak danglamna

 

Nylon hi hygroscopic material a ni a—environment atanga tui awm chu a hip lut thin. Wikipedia-in nylon chungchanga entry a tarlan dan chuan nylon hian range of moisture a absorb a 2–8%  a rit zawng chu humidity leh temperature a zirin a ni. Hetiang absorption hian fibers te chu a ti hring a, hei hian sling flexibility leh fit in fittings a nghawng thei a ni.

 

Chakna hloh

 

CCOHS chuan nylon  slings chu a hnim chuan a chakna 10–15% a hloh thei tih a hmuchhuak a, mahse a vawt chuan a chakna a lo awm leh thin. Oregon OSHA chuan  nylon slings chu a hnim chuan a chakna 25% thleng a hloh thei tih a sawi belh a, hei hi moisture absorption vang a ni. Polyester sling erawh chu tui lum hian nasa takin a nghawng lo nain hnim taka dah a nih chuan chhiatna chi dang, mildew ang chi a tuar thei thung.

 

Mildew leh Rot te an ni

 

Hun rei tak chhunga wet storage hlauhawm ber chu mildew leh rot hi a ni mai thei. Wikipedia-in mildew chungchanga entry a tarlan dan chuan mildew hi fungus chi khat a ni a, hmun hnim, lum leh boruak tha lo takah a thang lian a ni. Slings chu hnim taka dah a nih chuan a chung leh fiber inkar ah mildew a lo thang lian thei a, chu chuan fiber structure chu a tichhe zual thei a ni. CCOHS chuan a bik takin mold, mildew, leh rotting te chu sling tichak lotu leh service atanga lakchhuah nghal ngai dinhmun a nih thu a sawi.

 

Material-Specific lama harsatna awm thei te

Synthetic sling material zawng zawng hian moisture an react dan inang vek lo. Sling enkawlna dik tak neih nan chuan a danglamna hriatthiam a pawimawh hle.

 

Thu lakna: CCOHS Synthetic Web Slings kaihhruaina; Oregon OSHA chuan a ti a

 

Table-a kan hmuh angin nylon sling hi a hnim laiin chakna hloh a hlauhawm ber a, polyester sling erawh chu  hnim taka dah a nih chuan mildew a hlauhawm zawk thung.

 

Lishenflex ’s lab data chuan nylon slings wet test-naah hian dry sample nena khaikhin chuan breaking strength 12–18% in a tlahniam tih a nemnghet a, hei hian nylon slings hman hmaa drying pawimawhzia a tichak lehzual a ni. Polyester slings erawh chuan wet leh dry state inkarah strength variation tlemte chauh a nei a, mahse hun rei tak damp-a dah chuan mildew a nei thei thung.

 

Wet Storage Hnuaia Enfiah

Wet-stored lifting sling chu service-a dah leh hmain uluk taka enfiah a ngai a ni. Per ASME B30.9 , slings te hi an him taka hmanna tichhe thei tur dinhmun enfiah a ngai a ni. Wet storage hnuah hetiang hi ngaihtuah la:

 

Surface Inspection neih a ni

 

• A rawng danglam—a dum emaw, a hring emaw a awm chuan mildew a lo thang tih a tilang thei

• Surface fuzziness emaw slipperiness emaw—fungal lo thang chakna a ni thei

• Sawifiah loha a nghet lo—fiber a chhe tih a tilang thei

 

Tactile Inspection neih a ni

 

• Sling chu bend rawh—fiber chhiatna tilang thei crackling sound te chu ngaithla rawh

• Hmun nêm emaw, a inthlau emaw awm chuan hriat la—layer inkara mildew chhiatna a ni tih a tilang thei

• Hriak rim danglam tak tak a awm leh awm loh enfiah rawh—musty smell hian mildew a lo thang lian tih a tilang

 

Tag Condition a awm

 

Identification tags—chhiar theih reng tur a ni. Tag a chhiat emaw chhiar theih loh emaw a nih chuan WLL hi verified theih a nih loh avangin sling chu service atanga lakchhuah a ngai a ni.

 

Critical note: ASME B30.9 angin , sling eng pawh hmuh theih mildew, rot, emaw mold nei chu service atanga lakchhuah nghal tur a ni. Mildew a lo awm nia rinhlelh mahse i chiang lo a nih chuan fimkhur lam hawiin tisual la, sling chu service atangin la chhuak rawh.

 

Drying leh Storage dik tak

Wet storage chhiatna venna tha ber chu wet sling dah ngai lo hi a ni.

 

Drying tih dan tur

 

Industry best practices ang chuan:

 

• Sling chu puan fai leh vawt hmangin phihfai la, a chunglam tui chu paih chhuak rawh

• Thli tleh theihna hmunah hrual emaw, mu emaw rawh

• Ni êng direct aṭanga hla takah awm rawh—UV radiation hian fiber a tichhe thei a ni

• Khua lumna hmun aangin hla takah awm rawh—90°C (194°F) aia sang chuan fiber-te chu a tichhe vek thei a ni

• A dah hmain air drying kimchang takin phalsak rawh

 

Storage Condition hrang hrang

 

CCOHS leh Lishenflex rawtna angin:

 

• Hmun lum, vawt, boruak tha tak awmna hmun

• Ni êng direct, steam pipe, open flames, leh chemical fumes atanga hla takah

• Off the floor—pallet emaw rack emaw-ah chuan tui a luh loh nan

• Temperature-controlled—condensation emaw, dampness emaw awmna hmun chu pumpelh rawh

 

Moisture Testing neih a ni

Lifting sling chu a vawt tawk em tih i hriat chian loh chuan moisture test awlsam tak ti rawh:

 

1. Sling chu khawih la—a khawih chuan a vawt tih a hriat tur a ni

 

2. Webbing chu squeeze la—moisture engmah hmuh tur leh hriat tur a ni lo

 

3. Sling chu rit rawh (a theih chuan)—sling rit zawk chuan retained moisture a tilang thei

 

4. A dahna hmun chu enfiah rawh—a dahna hmun chu a hnim a nih chuan, sling chuan boruak aṭanga tui a la lut thei a ni

 

Thupui tawi leh Thurawn tangkai tak tak

Lifting sling hnim taka dah chu thil tenawm tak mai a ni lo—chu chuan mildew a tipung thei a, fiber a tichhe thei a, nylon-ah chuan chakna nasa takin a hloh thei bawk. Sling hnim taka dah, mildew emaw rot emaw chhinchhiahna a awm chuan service atanga lakchhuah nghal tur a ni.

 

Takeaway pawimawh tak tak:

 

1. Nylon slings hi a hnim chuan a chakna 25% thleng a hloh thei a—a vawt chuan a chakna a lo awm leh a, mahse mildew chhiatna erawh chu a awm reng thung

 

2. Polyester sling-te chu tuiin a tichak lo hle lo—mahse, hnim taka dah a nih chuan fiber-ah hian mildew a lo thang thei a ni

 

3. Mildew hi fungus chi khat a ni a, hmun hnim, lum, boruak tha lo takah a lo thang lian a—fiber structure a tichhe vek a ni

 

4. Slings te chu dah hmain vawt vek tur a ni—hei hi a pawimawh ber pakhat a ni

 

5. Sling hnim-a dahte chu uluk takin enfiah rawh—a rawng a danglam, a khauh, a rim, leh a hnim hring

 

Lishenflex hian  polyester lifting slings an siam a, nylon aiin tuiin a nghawng tlem zawk a, mahse sling dam rei leh himna atan chuan uluk taka dah a pawimawh tih kan la sawi uar hle. I team-te’n wet-storage risk an neih loh nan drying procedure leh inspection protocol chungchangah kaihhruaina kan pe a ni.

 

I hnathawhna atana sling drying leh inspection protocol dinna tura tanpuina i mamawh a nih chuan—a nih loh leh wet-stored sling chu serviceable a la nih leh nih loh hriat theihna tura tanpuina i mamawh a nih chuan—khawngaihin email thawn rawh sales@lishenflex.com , leh kan technical team te chuan mi pakhatin min pui dawn a ni.