Nsɛm a wɔahyehyɛ
1. Analysis of gate valve nsa ntwahonan nhyehyɛe
2. Mfiridwuma mfiridwuma nnyinasosɛm atitiriw
3. Nhwehwɛmu a wɔyɛ wɔ tebea horow a wɔtaa de di dwuma ho
4. Adwumayɛ ho nkyerɛkyerɛmu ne nsiesie nsɛntitiriw
5. Nnwuma ho nsɛm ne mfiridwuma mu nneɛma foforo a wɔyɛ
6. Nkɔsoɔ a ɛbɛba daakye ho nkɔmhyɛ
1. Analysis of gate valve nsa ntwahonan nhyehyɛe
Sɛ́ ade titiriw a ɛwɔ nsaanodwuma mu no,...gate valve nsa ntwahonanwɔ nkɛntɛnso tẽẽ wɔ valve a wobue ne nea wɔto mu yiye ne ɔsom nkwa nna so esiane ne nhyehyɛe a wɔayɛ nti. Nneɛma atitiriw a ɛwom no bi ne:
| Afã horow | Dwumadi ho nkyerɛkyerɛmu |
| Nsa ntwahonan nipadua | Wɔnam nnipa a ɛkyinkyini so na ɛma torque, na sɛnea wɔayɛ ne kɛse no nya torque a wɔde yɛ adwuma no kɛse so nkɛntɛnso tẽẽ (dodow a ne kɛse yɛ kɛse no, dodow no ara na mmɔdenbɔ sua) . |
| Valve stem nkitahodi afiri | Fa trapezoidal thread pair (open rod type) anaa built-in thread (dark rod type) na ama woanya nsakraeɛ a ɛfiri rotational motion kɔ linear motion |
| Afiri a wɔde tow nneɛma mu | Buckle anaa positioning pin design na asiw misoperation ano |
2. Mfiridwuma mfiridwuma nnyinasosɛm atitiriw
1. Mfiri a wɔde fa nhama mu
Trapezoidal thread pair design: de 30℃thread angle trapezoidal thread di dwuma de nya mfiridwuma mu ahoɔden a ɛkorɔn (ɛkɔ 70%-90%) .
Torque a wɔde kɔ baabi foforo ho nhyehyɛe: T=F×r=2πηW×p
(T: nsa ntwahonan torque, F: adwumayɛ tumi, r: nsa ntwahonan radius, W: apon adesoa, p: asaawa kɔbere, η: mfiridwuma mu mmɔdenbɔ)
2. Friction ne ankasa{1}}locking nkɛntɛnso
Static friction coefficient (dade kosi kɔbere) μ≈0.1-0.15, a ɛhwɛ hu sɛ ɛrensan nkɔ ne mfitiase gyinabea no ara kwa bere a wɔabue awie no
Self-locking tebea: thread lead angle < arctanμ, mpɛn pii no wɔyɛ no Les than anaasɛ ɛne 5℃yɛ pɛ
3. Nneɛma a wɔde yɛ mfiridwuma a wɔde di dwuma
| Adwennwen type | Typical value range a ɛwɔ hɔ | Nneɛma a wɔde ko tia |
| Extrusion adwennwen | 80-120 MPa na ɛwɔ hɔ | Fa ASTM A276 304 dade a ɛnyɛ den di dwuma |
| Shear adwennwen | 45-65 MPa na ɛwɔ hɔ | Yɛ asaawa ntini fillet radius no nhyehyɛe no yiye |
| Adwennwen a ɛma obi kotow | < 50% of material yield strength | Ma valve stem diameter ne handwheel support points dodow nkɔ soro |
3. Nhwehwɛmu a wɔyɛ wɔ tebea horow a wɔtaa de di dwuma ho
1. Petrochemical adwumayɛbea
Adwumayɛ tebea: nhyɛso a ɛkɔ soro (API 20000psi), ɔhyew a ɛkɔ soro ( Ennu anaasɛ ɛne 425 digrii yɛ pɛ ) .
Nsusuwii titiriw:
Esum poma nhyehyɛe a ɛbɛma medium crystallization ne jamming ano
Nsa ntwahonan a wɔatrɛw mu (diameter Kɛse anaasɛ ɛyɛ pɛ 500mm) de atew adwumayɛ torque so
2. Nkurow akɛse mu gas nhyehyɛe
Ahobammɔ ho ahwehwɛde ahorow:
Wɔde afiri a ɛto torque anohyeto ( Ennu anaasɛ ɛne 200N·m yɛ pɛ) ahyɛ mu.
Kɔkɔbɔ sɛnkyerɛnne kɔkɔɔ/kɔla kɔkɔɔ a ɛkyerɛ sɛnea wɔkyinkyin kwan
4. Adwumayɛ ho nkyerɛkyerɛmu ne nsiesie nsɛntitiriw
1. Standard adwumayɛ nhyehyɛe
Full-open position confirmation: Sɛ wodan kɔ soro wie a, twe 1/2 dan kɔ akyi na amma ɔhyew ntrɛwmu ne jamming ano
Sɛnea wɔde di dwuma wɔ ɔkwan a ɛnteɛ so:
Wɔabara torque dwumadie a ɛboro soɔ berɛ a wɔde jamming (wɔkamfo kyerɛ sɛ nnipa ahoɔden kɛseɛ a ɛnnuru anaa ɛne 400N yɛ pɛ) .
NLGI grade 2 lithium-based grease a wɔde sra srade a wɔde siesie no afe nkyem abiɛsa biara
2.Ɔhaw ahorow a wɔtaa di ho dwuma
| Mfomso adeyɛ | Mfiridwuma mu nneɛma a wɔde ko tia |
| Nsa ntwahonan a ɛnyɛ adwuma | Hwɛ sɛnea valve stem thread pair no asɛe (allowable clearance Les than or equal to 0.3mm) . |
| Torque a wobue ne nea wɔto mu no kɔ soro mpofirim | Hohoro nsenia a ɛwɔ valve no mu no ho anaasɛ sesa packing seal 2 no |
5. Nnwuma ho nsɛm ne mfiridwuma mu nneɛma foforo a wɔyɛ
Hangzhou Xiaoshan Chuangye Dade a Wɔde Yɛ Adwuma Co., Ltd.
Adwumakuw no yɛ adwumayɛfo a wɔyɛ nsa ntwahonan ahorow na wɔtɔn. Wɔde sii hɔ wɔ afe 2002 mu na n’adwumayɛbea ti wɔ Fenghuangshan Akuraa ase, Jinhua Kuropɔn, Xiaoshan Mantam mu, Hangzhou Kuropɔn mu, na efi Hangzhou Xiaoshan Amanaman Ntam Wimhyɛn Gyinabea kɔ hɔ yɛ simma 30 pɛ kar akwantu.
Yɛn adwumakuw no nneɛma titiriw bi ne dade a ɛnyɛ den nsa ntwahonan, welding nsa ntwahonan, stamping nsa ntwahonan, aluminium alloy nsa ntwahonan, ne nea ɛkeka ho Bere koro no ara mu no, wobetumi ayɛ nsa ntwahonan no kɛse, ne nsusuwii, kɔla, ne soro ayaresa, ahyɛnsode, ne nea ɛkeka ho sɛnea adetɔfo ahiade te.
Nneɛma a Wɔde Di Dwuma a Wɔde Di Dwuma Ahorow:
Yɛn nsa ntwahonan no nya dwumadie kɛseɛ wɔ nnwinnadeɛ a enni ano te sɛ valve, pɔmpɛ, reactors, mixers, nsuo apon, generators, ne nea ɛkeka ho mu. Wɔn adwumayɛ a wotumi de ho to so no hwɛ hu sɛ wɔyɛ adwuma a ɛnyɛ den wɔ dwumadie ahodoɔ mu, na ɛboa ma mfiri a ɛho hia no yɛ adwuma yie na ɛyɛ adwuma.
Ɔman-a-Adwinni Ho Nneɛma a Wɔyɛ:
Esiane sɛ wɔde nnɛyi nneɛma a wɔyɛ no ahyɛ yɛn adwumakuw no mu nti, ɛde mfiri ne mfiridwuma a ɛkɔ anim hoahoa ne ho. CNC lathes, milling mfiri, drilling mfiri, welding mfiri, polishing mfiri, coating mfiri, ne nea ɛkeka ho yɛ nnwinnade akode a ɛma yetumi de nsa ntwahonan a ɛso bi nni a ɛyɛ papa na ɛyɛ pɛpɛɛpɛ ma.
6. Nkɔsoɔ a ɛbɛba daakye ho nkɔmhyɛ
Nyansa mu nkɔsoɔ: torque sensor a wɔaka abom + wireless transmission module (wɔabu akontaa sɛ ɛbɛboro 30% wɔ afe 2026 mu)
Nneɛma foforo a wɔyɛ:
Carbon fiber composite nsa ntwahonan (mu duru a ɛso tew 60%) .
Self-srade ceramic a wɔde akata asaawa abien
Nnwumayɛbea hwɛ: Ɛnam sɛ wɔde API 6D-2024 gyinapɛn foforo no adi dwuma nti, ergonomic nhyehyɛe ne mfiridwuma adwumayɛ
optimization ofgate valve nsa ntwahonanbɛyɛ nea wɔde wɔn adwene besi so wɔ mfiridwuma mu akansi mu. Wɔhwɛ kwan sɛ wiase nyinaa gua kɛse bɛkɔ soro afe biara
rate a ɛyɛ 6.8% fi afe 2025 kosi afe 2030.
