Fastener lock nan nut pahnih hman a ni .

Jam nuts chu eng nge ni?

 

 

Jam nut hian technique pakhat a sawi tak tak lo va, chu ai chuan, low-profile type of nut sawina a ni zawk a, chu chu i fastener-a i hman tur standard nut aiin a chanve vel a sang fo thin. He nut te zawk hian a tum ber chu i fastener-a i hman thin nut chu a hmuna jam tihna hming a ni. Thil awmdan thenkhatah pawh hman a ni tlangpui a, eng emaw chhan vangin standard nut chu a lian lutuk ang a, a fit thei lo ang.

 

 

 

 

 

 

 

 

 

 

 

 

Self-loosening hriatthiamna hi a tam zawkah chuan a do theih nan hna i thawh tur chanve a ni thei. A takah chuan array of causes a awm a, chu chuan i fasteners te chu hun kal zelah anmahni chauha loosening mawhphurtu a ni thei a, chutih rualin heng zinga a tam ber chu vibration a ni.
Vibration tlemte pawh hian i nut self-ah a pui thei tak zet a ni-looseening as the small movement of the vibration chuan i nut chu zawi zawiin a inher tan ang. He rotation emaw self-loosening hi a tir lamah chuan hmuh tur a awm ngai lo mai thei, mahse hun kal zelah chuan i fastener zawng zawng chu undone-a lo awm tur a ni thei.
Stress hi hun kal zelah i fastener-te’n an thawhrimna an hloh chhan lian tak a ni thei bawk. I fastener hian a theihna aia tam a vawn tlat a tum a nih chuan, a tawpah chuan stress chuan a ti chhe ang emaw, a self-loosening emaw a thlen thei ang. Hei vang hian i tih tur aia tam nuts tightening hi self-loosening venna kawng tha tak a ni lo.

 

Self-i ngaihtuah tak tak tur thil i ngaihtuah hmasak ber tur chu i hman tur nut pahnih hman loh nan nut pahnih hman chungchang sawi dawn chuan i hman mek nut pahnih hian a zau zawng inang an nei em tih hi a ni. A zau zawng inang nut pahnih i hmanna hmunah chuan i hman dan tur order chu a bul berah chuan a pawimawh lo ang.
Mahse, a zau zawng inang lo nei nut pahnih i hman chuan heng nut te hi dah a ngai dawn tih order-ah duhthlanna i siam nghal a ngai dawn a ni. A tlangpuiin, chutiang hunah chuan, a zau zawng chu a zau zawng nei nut chu i tight tak tak tak nut a ni dawn a ni. Hei hi nut thicker tightened hmasa ber duhtu rinna pangngai atanga inthlak danglamna ang mai a ni thei a, mahse i project dam rei theihna tur leh i fastener-te chu hun rei tak chhunga an thawhrim zel dawn tih i duh chuan awmzia nei ber tur method a ni.
Hei hi a chhan chu thick nut a lo thlen a, thinner nut chungah a tight chuan nut thread-a load thenkhat chu a lo chhuak ang. Load thenkhat offset hmang hian thread te chu hun kal zelah a chhe deuh emaw, a chhe lo emaw a nih loh nan i enfiah ang. Hei hi a pawimawh hle thei a, a chhan chu thread chhia hian self-loosening tam zawk a thlen fo dawn a ni.

 

Zawhna dang, nut pahnih hman chungchangah zawh fo thin chu, nut pahnih hi a tlangpuiin an tihkhauh tur zat aia tam emaw, tlem emaw an tih a ngai em tih hi a ni. Mi tam zawk chuan he zawhna chhanna dik tak chu nut pahnih hi a tlukpui a tight a ngai tih an ring tlangpui ang a, a nih loh leh an pahnih hian a theih ang anga tighten an mamawh tih an ring tlangpui ang.
Mahse, hei hi thudik atanga hla zawk a ni thei lo a, a tak takah chuan nut pahnih chu a tawp thlenga tihkhauh a nih chuan pressure tam lutuk i dah emaw, hriat lohvin rotation dang siam belh a ni thei ang a, chu chuan vawi khat chu pressure tam zawk a thlen leh ang a, a tawpah chuan self-loosening a thlen leh ang.
Hetiang method hmang hian engtin nge nut pahnih hi i tight ang?
I fastener dam rei ber tur ven i duh a nih chuan pressure tam tak i dah loh nan i enkawl duh chuan i tih duh tur chu i nut pahnih te hian a zau zawng inang an neih chuan i thinner nut hmasa ber, emaw equal size nut hmangin i tan ang.
He nut hmasa ber hi overall tightening torque za zela 25 leh 50 inkar velah tighten a ngai dawn a ni. A tight tawh chuan a chungah chuan second nut, a thick zawk emaw, a zau zawng inang emaw, a chungah dah theih a ni. He second nut hi tight vek i duh tur a ni a, a nih loh leh a full torque value thlengin i duh ang.
Chutianga i tih chuan, a nih loh leh a load tur chu a nih loh leh a thinner nut thlenga phur tur a nih chuan tunah chuan nut thick zawkin a hlihsak dawn tih i tichiang ang. Hetianga pressure relief hian i nut te chu hun rei zawk a tihkhauh theih nan a pui ang a, chu chuan a hun hmaa an lo chhuah theihna chance a ti bo ang.

 

 

Two-Nut system hi i fastener te chu self-looseen an nih loh nan system hman tlanglawn ber pakhat a ni a, mahse, hman tlanglawn a nih vang mai mai chuan a hlawkpui vek tihna a ni hauh lo.
A pahnih hian a tak takah chuan-NUT system chu a nihna takah chuan, nut pahnih te chu uluk taka tihkhauh a nih phawt chuan a thawk tha ang. Tightening dik tak chu an jam khawm theihna tur chu a ni. Chu jamming chungchang sawi dawn chuan i hriat reng tur thil hmasa leh pawimawh ber chu nut hmasa ber emaw, a pahnihna emaw chu overtighten loh tur a ni. Nut pahnih neih tumna zawng zawng hian nut tinte pressure thenkhat chu a ti reh tak zet a, an pahnih chu a tam thei ang bera tihkhauh a nih theih nan a tichiang lo tih hre reng ang che.

 

 

 

A tawi zawngin, a pahnihna thicker nut chu overtightened a nih chuan thil thleng tur chu thread stripping i siam mai thei a, a nih loh leh bolt tensile fracture i siam mai thei bawk. Hetiang chiah hian bolt-a damage hian i fastener hman tangkai dan chu nasa takin a ti tlem ang a, chutih rual chuan movement tenau te hian self-loosening a thlen theihna a siam bawk ang.
Mahse, nut pahnih hi a tight tawk a, tightening process chhunga thread damage lian tham a awm loh chuan a pum puia two-nut method chu a hlawk zawk a, i fastener te hian i structure, project, emaw machinery te chu an vawng tlat thei zawk a ni.

 

Jam nuts te, two-nut method te tan a tangkai viau laiin a tlangpuiin mahni chauha hman a ni lo a, chu chuan duh ang tightening effects a thlen thei a ni. Tunah hian jam nut pahnih hian i structure chu self-loosening atanga a chhuah theih nan a hlawhtling ang tih ngaihdan back tur research a awm lo. Hei vang hian nut thinner leh thick zawk hman i stick chuan a tha zawk hle.
Tin, thinner nuts hian partial thread stripping a thlen tam zawk tih hriat a pawimawh bawk. Hetiang stripping chi hi a tlangpuiin self-loosening a awm tihna a ni tlangpui ang. Hei vang hian a lo thlen chuan i fastener chu self-looseening a nih theih nan jam nut pahnih hman a tha lo.

 

Tawpna:
A pahnih-NUT method hi i fastener-te’n hun rei tak chhung an vawn theihna tur atana hmanraw tangkai tak a ni thei. A tlangpuiin jam nut leh thicker nut i hman hian a hlawk ber a, mahse, jam nut pahnih hman hmangin a thleng thei bawk. Two-nut method chungchang a nih chuan a tawpah chuan a pawimawh ber chu engkim a nghet taka tih a nih tawh leh tightening process chhunga thread stripping awm lo a awm loh nan a ni ang a, chu chuan self-loosening chance a tipung thei a ni.

 

Fastener zawng tur a awm em?
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