Threaded fastener te chakna .

Fastener chakna chelh thei tur joint nghet tak siam tur a nih chuan a pawimawh hle. Fastener-in a hlawhchham vek hi thil awmze nei lo a ni lo va, mahse a thleng tak tak a nih chuan a nghawng chu project siam mek mai ni lovin a chhehvela a awm pawh a ni thei. Hei vang tak hian threaded fastener te hian an chakna leh quality an neih theih nan testing zau zawk an nei a ni.

Testing hian fastener quality leh chuvang chuan joint a awm theih nan a puih laiin, testing neih ngei ngei tur dinhmun thenkhat a awm bawk. A tlangpuiin, hei hi test dan tur chu a hmantlak loh bakah a man a to lutuk a, a dik thei lo. Hei vang hian i material quality a tha zawk fo thin a, chu chu Aya Fastener ang chi quality vendor te thlan a, i thil lei tur a ni. Hei hian i project i zawh hmaa test i tih tur chi hrang hrang i ngaihtuah nasa zawk a ngai lovin i rilru a ti hahdam thei ang.

Threaded fastener failure mode hrang hrang pathum a awm a, chu chu i hmu thei ang. A hmasa ber chu fastener-a shank emaw threaded part emaw hmanga hlawhchhamna a awm lai a ni. A pahnihna chu pawn lam thread thread stripping a awm a, a failure mode pathumna chu internally threaded member-a thread stripping a awm chuan a ni.

Hetiang hlawhchhamna hi chu miten an beisei aia tam a ni. A tlangpuiin mipa thread-a ruh tliak a awm chuan a lo awm thin a, chu chu a tlangpuiin static load chu thread chakna atan a tam lutuk vang a ni. Stress area hriat theih nan minor leh pitch thread diameter mean tehna a awm a ngai a ni.
Hetah hian engineering handbook chu a tangkai thei a, a chhungah chuan a chhungah chuan i buaipui theih tur thread size hrang hrangte tan stress area table a nei tlangpui ang.
Hetiang hlawhchhamna chi hrang hrang chungchangah hian hriat reng tur pawimawh tak chu stress chi hrang hrang pahnih i ngaihtuah a ngai dawn a ni. Bolt an tihkhauh chuan shank sustain hian direct stress a thlen dawn a, mahse thread-a torque hnathawh avanga torsional stress a awm bawk ang. Hetiang stress chi hnihna hi thread-in a hriat thin stress 20% emaw a aia tam emaw chhan ni thei mahse, bolt tightening torque table-ah hian a dah tel tlangpui lo.
Stress chhiarna atana hman theih tur program thenkhat pawh a awm bawk. Hengte hian tehna engemaw zat an mamawh belh a, mahse threaded fastener-te torque tightening analysis an pek avangin a dik zawk thei bawk.

Thread stripping hi fastener chi hrang hrang tam tak, a bik takin low- tensile material mamawh te nen hian harsatna a awm fo thin.

• A tlangpuiin chi hrang hrang stripping-ah chuan, a chhung leh pawn lam thread pahnih hi a theih ang anga rei a awm reng theih nan leh fastener rintlak tak a awm theih nan hman loh tur a ni. Tin, intense tightening avanga bolt a chhiat chuan chu bolt chu a kal zel theih hmain a switch a ngai tih a chiang bawk.

• Mahse, a hlauhawmna chu a stripping chu a tlangpuiin a kal zauh zauh deuh deuh thin. Hei hi hlauhawm berna hmun a ni a, mechanism dah a nih hnua stripping a awm theih avangin a awm theih avangin emaw, action-a a awm tan tawh emaw a ni. Chumi hnuah chuan stripping chuan hun bituk chhunga a tlakbuak chuan a tichhia ang a, chu chuan effect angin a rah chhuah chhiatthlak tak a thlen thei a, a bik takin design a chhiat chuan mi a hliam a nih chuan.

 

Thread pakhat stripping strength chu eng nge a nghawng thei ang?

 

Thread stripping amount hriat theihna tur chuan factor hrang hrang a awm a, chu chu a account tur a ni. A hnuaia thil pangate hian stripping chakna tehnaah hian hmun pawimawh tak an chang a ni.

1. Thread dimension hrang hranga danglamna awmte. Hei hian a danglamna chu major, pitch, emaw minor a nih leh nih loh a zirin internal leh external thread stripping strength-ah nghawng a nei thei a ni.
2. Thil hman dan a tensile leh shear strength variation te.
3. Nut radial displacement, nut dilation tia sawi thin, leh a thread shear strength-a a nghawng dan te.
4. Thread te bending a awm.
5. Threaded assembly-a production danglamna leh thread chakna a nghawng dan.
Thil pakhat hriat reng tur chu nut leh bolt chakna chu element pahnih hi a inzawm tlat avangin a hranin ngaihtuah tur a ni lo.Thil dang ngaihtuah tur chu thread bending, nut dilation, emaw bell-thil awm dan chu general stripping strength-ah a ni.

Thread bending tih hi eng nge ni?

A tlangpuiin tightening process chhung hian tensile force avanga lo awm thread bending℃engemaw zat a awm thin. Hetiang hian internal leh external thread-te tan pawh area awm chu a tihtlem thei a ni.

Nut dilation tih hi eng nge ni?

Tightening process chhung hian tensile force awm hian wedging action a thlen fo thin a, chu chuan radial displacement emaw nut dilation emaw a thlen thei a ni. Hei hi threaded leh conventional nut-ah pawh a awm fo. Much like a dilation avanga thread bending a nih chuan, a chhung leh a pawn thread pahnih shear area chu a tlahniam thei a ni.

Bell-hmêlma chu eng nge ni?

Bellmouthing hi drilled hole tap a nih chuan a awm thin. Hole-a taper, drilled hole zawng zawnga℃khata awm thin chu a tlangpuiin hole bul tanna diameter chanve vel chauh a ni ang. Hei hi a tlangpuiin hole an laih lai a drill a inthlak danglam vang a ni. Mahse, hei hi tihtlem theih a ni a, a chhan chu closer fitting a tha zawk-Aligned a ni a, drill dik zawk neih theih a ni. Hole a awm chuan drilling laiin a danglamna chuan engagement sei zawng leh pitch tha tak tak a thlen thei a ni.
A tlangpuiin, finer threads hian bell-mouthing tam zawk a thlen beisei a ni a, chutih laiin sharpened drill neih chu bell tihtlem theihna kawng pawimawh tak a ni thei bawk.

 

Metric threaded fastener te hi eng strength specification nge an nih?

Threaded fastener hmang hian material class hrang hrangte tan strength specification bik a awm a. Heng specification leh class te hi steel bolt, screw emaw studs emaw i deal leh i deal leh i deal leh i deal leh deal emaw a zirin a innghat ang. A tlangpuiin strength specifications hian a hnuaia area pali te hi a huam ang.

• 1. TENSILE chakna .

Tensile stress chu a fracturing emaw, a chhe emaw hmaa material-in a tuar theih tur stress tam ber a ni.

• 2. A chakna finfiahna .

Proof strength chu thil pakhatin stress a chhuah theih nan a lo lang tan hmaa a tuar theih tur stress sang ber atanga teh a ni.

• 3. Yield chakna .

Yield strength chu 0.2% plastic emaw permanent deformation nei product tensile stress awm zat a ni.

• 4. Thil neih dan class .

 

Property class hi a tlangpuiin bolt emaw screw emaw lu-a stamp-ah hmuh theih a ni. A chunga figure pahnih hian chiang takin tensile leh yield strength a tarlang tur a ni.
Stainless steel threaded fastener hmang hian yield stress lantir a nih loh avangin strength specifications chu a danglam deuh hlek a ni. Chu ai chuan a hmunah 0.2% proof test hman a ni zawk.

 

 

Bolt chhunga point chak lo ber chu eng nge ni?
A tlangpuiin bolt pakhata point chak lo ber chu thread root a ni dawn a ni. Hei hi stress tam takin chhiatna nasa tak a thlen theihna hmun a ni.

Stress area tihtlem dan tur a awm em?

Stress area chu i hman tur materials hmangin a inziak a ni. A tlangpuiin, threads a fin zawk chuan stress area a sang zawk a, a coarser chuan stress area a tlahniam zawk ang. I bolt leh nut tehna hmangin tensile stress area chu chhut theih reng a ni.

Tawpna:

Threaded fastener chaknaah hian thil chi hrang hrang ngaihtuah tur a tam hle. Chung zinga pawimawh ber chu component tinte’n anmahni chauha an lak theih tur tension chu a ni a, a inzawm chuan a inzawm tlat a ni. Hei hi a chhan chu nut leh bolt te hi joint chhungah an inzawm tlat a ni. Individual component pahnih-a i hman tur material hian strength-ah nghawng a nei thei bawk a, chuvang chuan strength specification tables hmanga eng product nge i dah dawn tih hriat chian a pawimawh hle. Hei hian fastener fail theihna chance a tihtlem phah dawn a ni.

Aya fastener te chu .China rama fastener siamtu leh supplier lar ber pawl a ni a, assembly leh fastening materials kan ngaih pawimawh ber a, global customer-te chu kum 20 chhunga high-quality screw, bolt, washers, leh nuts products te kan supply a ni.

Aya hian fastener industry-ah hian -rilru leh inpekna rilru khat neiin a inrawlh nasa hle a, kan customer-te hnena industry tam zawk-specific, professional, standardized, leh precise fastener solutions pekna kawngah a inpe a ni. Thu belhchian dawl zawk i duh chuan Aya Fasteners hnenah a chipchiar zawngin zawhfiah theih a ni.